http://git-wip-us.apache.org/repos/asf/hbase-site/blob/c0571676/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HRegion.ReplayBatch.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HRegion.ReplayBatch.html b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HRegion.ReplayBatch.html index 41e0c24..eac35d3 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HRegion.ReplayBatch.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HRegion.ReplayBatch.html @@ -110,8004 +110,8178 @@ <span class="sourceLineNo">102</span>import org.apache.hadoop.hbase.UnknownScannerException;<a name="line.102"></a> <span class="sourceLineNo">103</span>import org.apache.hadoop.hbase.client.Append;<a name="line.103"></a> <span class="sourceLineNo">104</span>import org.apache.hadoop.hbase.client.ColumnFamilyDescriptor;<a name="line.104"></a> -<span class="sourceLineNo">105</span>import org.apache.hadoop.hbase.client.Delete;<a name="line.105"></a> -<span class="sourceLineNo">106</span>import org.apache.hadoop.hbase.client.Durability;<a name="line.106"></a> -<span class="sourceLineNo">107</span>import org.apache.hadoop.hbase.client.Get;<a name="line.107"></a> -<span class="sourceLineNo">108</span>import org.apache.hadoop.hbase.client.Increment;<a name="line.108"></a> -<span class="sourceLineNo">109</span>import org.apache.hadoop.hbase.client.IsolationLevel;<a name="line.109"></a> -<span class="sourceLineNo">110</span>import org.apache.hadoop.hbase.client.Mutation;<a name="line.110"></a> -<span class="sourceLineNo">111</span>import org.apache.hadoop.hbase.client.PackagePrivateFieldAccessor;<a name="line.111"></a> -<span class="sourceLineNo">112</span>import org.apache.hadoop.hbase.client.Put;<a name="line.112"></a> -<span class="sourceLineNo">113</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.113"></a> -<span class="sourceLineNo">114</span>import org.apache.hadoop.hbase.client.RegionReplicaUtil;<a name="line.114"></a> -<span class="sourceLineNo">115</span>import org.apache.hadoop.hbase.client.Result;<a name="line.115"></a> -<span class="sourceLineNo">116</span>import org.apache.hadoop.hbase.client.RowMutations;<a name="line.116"></a> -<span class="sourceLineNo">117</span>import org.apache.hadoop.hbase.client.Scan;<a name="line.117"></a> -<span class="sourceLineNo">118</span>import org.apache.hadoop.hbase.client.TableDescriptor;<a name="line.118"></a> -<span class="sourceLineNo">119</span>import org.apache.hadoop.hbase.client.TableDescriptorBuilder;<a name="line.119"></a> -<span class="sourceLineNo">120</span>import org.apache.hadoop.hbase.conf.ConfigurationManager;<a name="line.120"></a> -<span class="sourceLineNo">121</span>import org.apache.hadoop.hbase.conf.PropagatingConfigurationObserver;<a name="line.121"></a> -<span class="sourceLineNo">122</span>import org.apache.hadoop.hbase.coprocessor.RegionObserver.MutationType;<a name="line.122"></a> -<span class="sourceLineNo">123</span>import org.apache.hadoop.hbase.errorhandling.ForeignExceptionSnare;<a name="line.123"></a> -<span class="sourceLineNo">124</span>import org.apache.hadoop.hbase.exceptions.FailedSanityCheckException;<a name="line.124"></a> -<span class="sourceLineNo">125</span>import org.apache.hadoop.hbase.exceptions.RegionInRecoveryException;<a name="line.125"></a> -<span class="sourceLineNo">126</span>import org.apache.hadoop.hbase.exceptions.TimeoutIOException;<a name="line.126"></a> -<span class="sourceLineNo">127</span>import org.apache.hadoop.hbase.exceptions.UnknownProtocolException;<a name="line.127"></a> -<span class="sourceLineNo">128</span>import org.apache.hadoop.hbase.filter.ByteArrayComparable;<a name="line.128"></a> -<span class="sourceLineNo">129</span>import org.apache.hadoop.hbase.filter.FilterWrapper;<a name="line.129"></a> -<span class="sourceLineNo">130</span>import org.apache.hadoop.hbase.filter.IncompatibleFilterException;<a name="line.130"></a> -<span class="sourceLineNo">131</span>import org.apache.hadoop.hbase.io.HFileLink;<a name="line.131"></a> -<span class="sourceLineNo">132</span>import org.apache.hadoop.hbase.io.HeapSize;<a name="line.132"></a> -<span class="sourceLineNo">133</span>import org.apache.hadoop.hbase.io.TimeRange;<a name="line.133"></a> -<span class="sourceLineNo">134</span>import org.apache.hadoop.hbase.io.hfile.HFile;<a name="line.134"></a> -<span class="sourceLineNo">135</span>import org.apache.hadoop.hbase.ipc.CallerDisconnectedException;<a name="line.135"></a> -<span class="sourceLineNo">136</span>import org.apache.hadoop.hbase.ipc.CoprocessorRpcUtils;<a name="line.136"></a> -<span class="sourceLineNo">137</span>import org.apache.hadoop.hbase.ipc.RpcCall;<a name="line.137"></a> -<span class="sourceLineNo">138</span>import org.apache.hadoop.hbase.ipc.RpcServer;<a name="line.138"></a> -<span class="sourceLineNo">139</span>import org.apache.hadoop.hbase.monitoring.MonitoredTask;<a name="line.139"></a> -<span class="sourceLineNo">140</span>import org.apache.hadoop.hbase.monitoring.TaskMonitor;<a name="line.140"></a> -<span class="sourceLineNo">141</span>import org.apache.hadoop.hbase.regionserver.MultiVersionConcurrencyControl.WriteEntry;<a name="line.141"></a> -<span class="sourceLineNo">142</span>import org.apache.hadoop.hbase.regionserver.ScannerContext.LimitScope;<a name="line.142"></a> -<span class="sourceLineNo">143</span>import org.apache.hadoop.hbase.regionserver.ScannerContext.NextState;<a name="line.143"></a> -<span class="sourceLineNo">144</span>import org.apache.hadoop.hbase.regionserver.compactions.CompactionContext;<a name="line.144"></a> -<span class="sourceLineNo">145</span>import org.apache.hadoop.hbase.regionserver.compactions.CompactionLifeCycleTracker;<a name="line.145"></a> -<span class="sourceLineNo">146</span>import org.apache.hadoop.hbase.regionserver.throttle.CompactionThroughputControllerFactory;<a name="line.146"></a> -<span class="sourceLineNo">147</span>import org.apache.hadoop.hbase.regionserver.throttle.NoLimitThroughputController;<a name="line.147"></a> -<span class="sourceLineNo">148</span>import org.apache.hadoop.hbase.regionserver.throttle.ThroughputController;<a name="line.148"></a> -<span class="sourceLineNo">149</span>import org.apache.hadoop.hbase.regionserver.wal.WALUtil;<a name="line.149"></a> -<span class="sourceLineNo">150</span>import org.apache.hadoop.hbase.security.User;<a name="line.150"></a> -<span class="sourceLineNo">151</span>import org.apache.hadoop.hbase.snapshot.SnapshotDescriptionUtils;<a name="line.151"></a> -<span class="sourceLineNo">152</span>import org.apache.hadoop.hbase.snapshot.SnapshotManifest;<a name="line.152"></a> -<span class="sourceLineNo">153</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.153"></a> -<span class="sourceLineNo">154</span>import org.apache.hadoop.hbase.util.CancelableProgressable;<a name="line.154"></a> -<span class="sourceLineNo">155</span>import org.apache.hadoop.hbase.util.ClassSize;<a name="line.155"></a> -<span class="sourceLineNo">156</span>import org.apache.hadoop.hbase.util.CollectionUtils;<a name="line.156"></a> -<span class="sourceLineNo">157</span>import org.apache.hadoop.hbase.util.CompressionTest;<a name="line.157"></a> -<span class="sourceLineNo">158</span>import org.apache.hadoop.hbase.util.EncryptionTest;<a name="line.158"></a> -<span class="sourceLineNo">159</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.159"></a> -<span class="sourceLineNo">160</span>import org.apache.hadoop.hbase.util.FSUtils;<a name="line.160"></a> -<span class="sourceLineNo">161</span>import org.apache.hadoop.hbase.util.HashedBytes;<a name="line.161"></a> -<span class="sourceLineNo">162</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.162"></a> -<span class="sourceLineNo">163</span>import org.apache.hadoop.hbase.util.ServerRegionReplicaUtil;<a name="line.163"></a> -<span class="sourceLineNo">164</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.164"></a> -<span class="sourceLineNo">165</span>import org.apache.hadoop.hbase.wal.WAL;<a name="line.165"></a> -<span class="sourceLineNo">166</span>import org.apache.hadoop.hbase.wal.WALEdit;<a name="line.166"></a> -<span class="sourceLineNo">167</span>import org.apache.hadoop.hbase.wal.WALFactory;<a name="line.167"></a> -<span class="sourceLineNo">168</span>import org.apache.hadoop.hbase.wal.WALKey;<a name="line.168"></a> -<span class="sourceLineNo">169</span>import org.apache.hadoop.hbase.wal.WALSplitter;<a name="line.169"></a> -<span class="sourceLineNo">170</span>import org.apache.hadoop.hbase.wal.WALSplitter.MutationReplay;<a name="line.170"></a> -<span class="sourceLineNo">171</span>import org.apache.hadoop.io.MultipleIOException;<a name="line.171"></a> -<span class="sourceLineNo">172</span>import org.apache.hadoop.util.StringUtils;<a name="line.172"></a> -<span class="sourceLineNo">173</span>import org.apache.htrace.Trace;<a name="line.173"></a> -<span class="sourceLineNo">174</span>import org.apache.htrace.TraceScope;<a name="line.174"></a> -<span class="sourceLineNo">175</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.175"></a> -<span class="sourceLineNo">176</span><a name="line.176"></a> -<span class="sourceLineNo">177</span>import org.apache.hadoop.hbase.shaded.com.google.common.annotations.VisibleForTesting;<a name="line.177"></a> -<span class="sourceLineNo">178</span>import org.apache.hadoop.hbase.shaded.com.google.common.base.Preconditions;<a name="line.178"></a> -<span class="sourceLineNo">179</span>import org.apache.hadoop.hbase.shaded.com.google.common.collect.Lists;<a name="line.179"></a> -<span class="sourceLineNo">180</span>import org.apache.hadoop.hbase.shaded.com.google.common.collect.Maps;<a name="line.180"></a> -<span class="sourceLineNo">181</span>import org.apache.hadoop.hbase.shaded.com.google.common.io.Closeables;<a name="line.181"></a> -<span class="sourceLineNo">182</span>import org.apache.hadoop.hbase.shaded.com.google.protobuf.TextFormat;<a name="line.182"></a> -<span class="sourceLineNo">183</span>import org.apache.hadoop.hbase.shaded.com.google.protobuf.UnsafeByteOperations;<a name="line.183"></a> -<span class="sourceLineNo">184</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.184"></a> -<span class="sourceLineNo">185</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.GetRegionInfoResponse.CompactionState;<a name="line.185"></a> -<span class="sourceLineNo">186</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos;<a name="line.186"></a> -<span class="sourceLineNo">187</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.CoprocessorServiceCall;<a name="line.187"></a> -<span class="sourceLineNo">188</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClusterStatusProtos.RegionLoad;<a name="line.188"></a> -<span class="sourceLineNo">189</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClusterStatusProtos.StoreSequenceId;<a name="line.189"></a> -<span class="sourceLineNo">190</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.SnapshotProtos.SnapshotDescription;<a name="line.190"></a> -<span class="sourceLineNo">191</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos;<a name="line.191"></a> -<span class="sourceLineNo">192</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos.CompactionDescriptor;<a name="line.192"></a> -<span class="sourceLineNo">193</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos.FlushDescriptor;<a name="line.193"></a> -<span class="sourceLineNo">194</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos.FlushDescriptor.FlushAction;<a name="line.194"></a> -<span class="sourceLineNo">195</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos.FlushDescriptor.StoreFlushDescriptor;<a name="line.195"></a> -<span class="sourceLineNo">196</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos.RegionEventDescriptor;<a name="line.196"></a> -<span class="sourceLineNo">197</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos.RegionEventDescriptor.EventType;<a name="line.197"></a> -<span class="sourceLineNo">198</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos.StoreDescriptor;<a name="line.198"></a> -<span class="sourceLineNo">199</span><a name="line.199"></a> -<span class="sourceLineNo">200</span>@SuppressWarnings("deprecation")<a name="line.200"></a> -<span class="sourceLineNo">201</span>@InterfaceAudience.Private<a name="line.201"></a> -<span class="sourceLineNo">202</span>public class HRegion implements HeapSize, PropagatingConfigurationObserver, Region {<a name="line.202"></a> -<span class="sourceLineNo">203</span> private static final Log LOG = LogFactory.getLog(HRegion.class);<a name="line.203"></a> -<span class="sourceLineNo">204</span><a name="line.204"></a> -<span class="sourceLineNo">205</span> public static final String LOAD_CFS_ON_DEMAND_CONFIG_KEY =<a name="line.205"></a> -<span class="sourceLineNo">206</span> "hbase.hregion.scan.loadColumnFamiliesOnDemand";<a name="line.206"></a> -<span class="sourceLineNo">207</span><a name="line.207"></a> -<span class="sourceLineNo">208</span> public static final String HBASE_MAX_CELL_SIZE_KEY = "hbase.server.keyvalue.maxsize";<a name="line.208"></a> -<span class="sourceLineNo">209</span> public static final int DEFAULT_MAX_CELL_SIZE = 10485760;<a name="line.209"></a> -<span class="sourceLineNo">210</span><a name="line.210"></a> -<span class="sourceLineNo">211</span> /**<a name="line.211"></a> -<span class="sourceLineNo">212</span> * This is the global default value for durability. All tables/mutations not<a name="line.212"></a> -<span class="sourceLineNo">213</span> * defining a durability or using USE_DEFAULT will default to this value.<a name="line.213"></a> -<span class="sourceLineNo">214</span> */<a name="line.214"></a> -<span class="sourceLineNo">215</span> private static final Durability DEFAULT_DURABILITY = Durability.SYNC_WAL;<a name="line.215"></a> -<span class="sourceLineNo">216</span><a name="line.216"></a> -<span class="sourceLineNo">217</span> final AtomicBoolean closed = new AtomicBoolean(false);<a name="line.217"></a> -<span class="sourceLineNo">218</span><a name="line.218"></a> -<span class="sourceLineNo">219</span> /* Closing can take some time; use the closing flag if there is stuff we don't<a name="line.219"></a> -<span class="sourceLineNo">220</span> * want to do while in closing state; e.g. like offer this region up to the<a name="line.220"></a> -<span class="sourceLineNo">221</span> * master as a region to close if the carrying regionserver is overloaded.<a name="line.221"></a> -<span class="sourceLineNo">222</span> * Once set, it is never cleared.<a name="line.222"></a> -<span class="sourceLineNo">223</span> */<a name="line.223"></a> -<span class="sourceLineNo">224</span> final AtomicBoolean closing = new AtomicBoolean(false);<a name="line.224"></a> -<span class="sourceLineNo">225</span><a name="line.225"></a> -<span class="sourceLineNo">226</span> /**<a name="line.226"></a> -<span class="sourceLineNo">227</span> * The max sequence id of flushed data on this region. There is no edit in memory that is<a name="line.227"></a> -<span class="sourceLineNo">228</span> * less that this sequence id.<a name="line.228"></a> -<span class="sourceLineNo">229</span> */<a name="line.229"></a> -<span class="sourceLineNo">230</span> private volatile long maxFlushedSeqId = HConstants.NO_SEQNUM;<a name="line.230"></a> -<span class="sourceLineNo">231</span><a name="line.231"></a> -<span class="sourceLineNo">232</span> /**<a name="line.232"></a> -<span class="sourceLineNo">233</span> * Record the sequence id of last flush operation. Can be in advance of<a name="line.233"></a> -<span class="sourceLineNo">234</span> * {@link #maxFlushedSeqId} when flushing a single column family. In this case,<a name="line.234"></a> -<span class="sourceLineNo">235</span> * {@link #maxFlushedSeqId} will be older than the oldest edit in memory.<a name="line.235"></a> -<span class="sourceLineNo">236</span> */<a name="line.236"></a> -<span class="sourceLineNo">237</span> private volatile long lastFlushOpSeqId = HConstants.NO_SEQNUM;<a name="line.237"></a> -<span class="sourceLineNo">238</span><a name="line.238"></a> -<span class="sourceLineNo">239</span> /**<a name="line.239"></a> -<span class="sourceLineNo">240</span> * The sequence id of the last replayed open region event from the primary region. This is used<a name="line.240"></a> -<span class="sourceLineNo">241</span> * to skip entries before this due to the possibility of replay edits coming out of order from<a name="line.241"></a> -<span class="sourceLineNo">242</span> * replication.<a name="line.242"></a> -<span class="sourceLineNo">243</span> */<a name="line.243"></a> -<span class="sourceLineNo">244</span> protected volatile long lastReplayedOpenRegionSeqId = -1L;<a name="line.244"></a> -<span class="sourceLineNo">245</span> protected volatile long lastReplayedCompactionSeqId = -1L;<a name="line.245"></a> -<span class="sourceLineNo">246</span><a name="line.246"></a> -<span class="sourceLineNo">247</span> //////////////////////////////////////////////////////////////////////////////<a name="line.247"></a> -<span class="sourceLineNo">248</span> // Members<a name="line.248"></a> -<span class="sourceLineNo">249</span> //////////////////////////////////////////////////////////////////////////////<a name="line.249"></a> -<span class="sourceLineNo">250</span><a name="line.250"></a> -<span class="sourceLineNo">251</span> // map from a locked row to the context for that lock including:<a name="line.251"></a> -<span class="sourceLineNo">252</span> // - CountDownLatch for threads waiting on that row<a name="line.252"></a> -<span class="sourceLineNo">253</span> // - the thread that owns the lock (allow reentrancy)<a name="line.253"></a> -<span class="sourceLineNo">254</span> // - reference count of (reentrant) locks held by the thread<a name="line.254"></a> -<span class="sourceLineNo">255</span> // - the row itself<a name="line.255"></a> -<span class="sourceLineNo">256</span> private final ConcurrentHashMap<HashedBytes, RowLockContext> lockedRows =<a name="line.256"></a> -<span class="sourceLineNo">257</span> new ConcurrentHashMap<>();<a name="line.257"></a> -<span class="sourceLineNo">258</span><a name="line.258"></a> -<span class="sourceLineNo">259</span> protected final Map<byte[], HStore> stores =<a name="line.259"></a> -<span class="sourceLineNo">260</span> new ConcurrentSkipListMap<>(Bytes.BYTES_RAWCOMPARATOR);<a name="line.260"></a> -<span class="sourceLineNo">261</span><a name="line.261"></a> -<span class="sourceLineNo">262</span> // TODO: account for each registered handler in HeapSize computation<a name="line.262"></a> -<span class="sourceLineNo">263</span> private Map<String, com.google.protobuf.Service> coprocessorServiceHandlers = Maps.newHashMap();<a name="line.263"></a> -<span class="sourceLineNo">264</span><a name="line.264"></a> -<span class="sourceLineNo">265</span> private final AtomicLong memstoreDataSize = new AtomicLong(0);// Track data size in all memstores<a name="line.265"></a> -<span class="sourceLineNo">266</span> private final RegionServicesForStores regionServicesForStores = new RegionServicesForStores(this);<a name="line.266"></a> -<span class="sourceLineNo">267</span><a name="line.267"></a> -<span class="sourceLineNo">268</span> // Debug possible data loss due to WAL off<a name="line.268"></a> -<span class="sourceLineNo">269</span> final LongAdder numMutationsWithoutWAL = new LongAdder();<a name="line.269"></a> -<span class="sourceLineNo">270</span> final LongAdder dataInMemoryWithoutWAL = new LongAdder();<a name="line.270"></a> -<span class="sourceLineNo">271</span><a name="line.271"></a> -<span class="sourceLineNo">272</span> // Debug why CAS operations are taking a while.<a name="line.272"></a> -<span class="sourceLineNo">273</span> final LongAdder checkAndMutateChecksPassed = new LongAdder();<a name="line.273"></a> -<span class="sourceLineNo">274</span> final LongAdder checkAndMutateChecksFailed = new LongAdder();<a name="line.274"></a> -<span class="sourceLineNo">275</span><a name="line.275"></a> -<span class="sourceLineNo">276</span> // Number of requests<a name="line.276"></a> -<span class="sourceLineNo">277</span> final LongAdder readRequestsCount = new LongAdder();<a name="line.277"></a> -<span class="sourceLineNo">278</span> final LongAdder filteredReadRequestsCount = new LongAdder();<a name="line.278"></a> -<span class="sourceLineNo">279</span> final LongAdder writeRequestsCount = new LongAdder();<a name="line.279"></a> +<span class="sourceLineNo">105</span>import org.apache.hadoop.hbase.client.CompactionState;<a name="line.105"></a> +<span class="sourceLineNo">106</span>import org.apache.hadoop.hbase.client.Delete;<a name="line.106"></a> +<span class="sourceLineNo">107</span>import org.apache.hadoop.hbase.client.Durability;<a name="line.107"></a> +<span class="sourceLineNo">108</span>import org.apache.hadoop.hbase.client.Get;<a name="line.108"></a> +<span class="sourceLineNo">109</span>import org.apache.hadoop.hbase.client.Increment;<a name="line.109"></a> +<span class="sourceLineNo">110</span>import org.apache.hadoop.hbase.client.IsolationLevel;<a name="line.110"></a> +<span class="sourceLineNo">111</span>import org.apache.hadoop.hbase.client.Mutation;<a name="line.111"></a> +<span class="sourceLineNo">112</span>import org.apache.hadoop.hbase.client.PackagePrivateFieldAccessor;<a name="line.112"></a> +<span class="sourceLineNo">113</span>import org.apache.hadoop.hbase.client.Put;<a name="line.113"></a> +<span class="sourceLineNo">114</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.114"></a> +<span class="sourceLineNo">115</span>import org.apache.hadoop.hbase.client.RegionReplicaUtil;<a name="line.115"></a> +<span class="sourceLineNo">116</span>import org.apache.hadoop.hbase.client.Result;<a name="line.116"></a> +<span class="sourceLineNo">117</span>import org.apache.hadoop.hbase.client.RowMutations;<a name="line.117"></a> +<span class="sourceLineNo">118</span>import org.apache.hadoop.hbase.client.Scan;<a name="line.118"></a> +<span class="sourceLineNo">119</span>import org.apache.hadoop.hbase.client.TableDescriptor;<a name="line.119"></a> +<span class="sourceLineNo">120</span>import org.apache.hadoop.hbase.client.TableDescriptorBuilder;<a name="line.120"></a> +<span class="sourceLineNo">121</span>import org.apache.hadoop.hbase.conf.ConfigurationManager;<a name="line.121"></a> +<span class="sourceLineNo">122</span>import org.apache.hadoop.hbase.conf.PropagatingConfigurationObserver;<a name="line.122"></a> +<span class="sourceLineNo">123</span>import org.apache.hadoop.hbase.coprocessor.RegionObserver.MutationType;<a name="line.123"></a> +<span class="sourceLineNo">124</span>import org.apache.hadoop.hbase.errorhandling.ForeignExceptionSnare;<a name="line.124"></a> +<span class="sourceLineNo">125</span>import org.apache.hadoop.hbase.exceptions.FailedSanityCheckException;<a name="line.125"></a> +<span class="sourceLineNo">126</span>import org.apache.hadoop.hbase.exceptions.RegionInRecoveryException;<a name="line.126"></a> +<span class="sourceLineNo">127</span>import org.apache.hadoop.hbase.exceptions.TimeoutIOException;<a name="line.127"></a> +<span class="sourceLineNo">128</span>import org.apache.hadoop.hbase.exceptions.UnknownProtocolException;<a name="line.128"></a> +<span class="sourceLineNo">129</span>import org.apache.hadoop.hbase.filter.ByteArrayComparable;<a name="line.129"></a> +<span class="sourceLineNo">130</span>import org.apache.hadoop.hbase.filter.FilterWrapper;<a name="line.130"></a> +<span class="sourceLineNo">131</span>import org.apache.hadoop.hbase.filter.IncompatibleFilterException;<a name="line.131"></a> +<span class="sourceLineNo">132</span>import org.apache.hadoop.hbase.io.HFileLink;<a name="line.132"></a> +<span class="sourceLineNo">133</span>import org.apache.hadoop.hbase.io.HeapSize;<a name="line.133"></a> +<span class="sourceLineNo">134</span>import org.apache.hadoop.hbase.io.TimeRange;<a name="line.134"></a> +<span class="sourceLineNo">135</span>import org.apache.hadoop.hbase.io.hfile.HFile;<a name="line.135"></a> +<span class="sourceLineNo">136</span>import org.apache.hadoop.hbase.ipc.CallerDisconnectedException;<a name="line.136"></a> +<span class="sourceLineNo">137</span>import org.apache.hadoop.hbase.ipc.CoprocessorRpcUtils;<a name="line.137"></a> +<span class="sourceLineNo">138</span>import org.apache.hadoop.hbase.ipc.RpcCall;<a name="line.138"></a> +<span class="sourceLineNo">139</span>import org.apache.hadoop.hbase.ipc.RpcServer;<a name="line.139"></a> +<span class="sourceLineNo">140</span>import org.apache.hadoop.hbase.monitoring.MonitoredTask;<a name="line.140"></a> +<span class="sourceLineNo">141</span>import org.apache.hadoop.hbase.monitoring.TaskMonitor;<a name="line.141"></a> +<span class="sourceLineNo">142</span>import org.apache.hadoop.hbase.regionserver.MultiVersionConcurrencyControl.WriteEntry;<a name="line.142"></a> +<span class="sourceLineNo">143</span>import org.apache.hadoop.hbase.regionserver.ScannerContext.LimitScope;<a name="line.143"></a> +<span class="sourceLineNo">144</span>import org.apache.hadoop.hbase.regionserver.ScannerContext.NextState;<a name="line.144"></a> +<span class="sourceLineNo">145</span>import org.apache.hadoop.hbase.regionserver.compactions.CompactionContext;<a name="line.145"></a> +<span class="sourceLineNo">146</span>import org.apache.hadoop.hbase.regionserver.compactions.CompactionLifeCycleTracker;<a name="line.146"></a> +<span class="sourceLineNo">147</span>import org.apache.hadoop.hbase.regionserver.throttle.CompactionThroughputControllerFactory;<a name="line.147"></a> +<span class="sourceLineNo">148</span>import org.apache.hadoop.hbase.regionserver.throttle.NoLimitThroughputController;<a name="line.148"></a> +<span class="sourceLineNo">149</span>import org.apache.hadoop.hbase.regionserver.throttle.ThroughputController;<a name="line.149"></a> +<span class="sourceLineNo">150</span>import org.apache.hadoop.hbase.regionserver.wal.WALUtil;<a name="line.150"></a> +<span class="sourceLineNo">151</span>import org.apache.hadoop.hbase.security.User;<a name="line.151"></a> +<span class="sourceLineNo">152</span>import org.apache.hadoop.hbase.snapshot.SnapshotDescriptionUtils;<a name="line.152"></a> +<span class="sourceLineNo">153</span>import org.apache.hadoop.hbase.snapshot.SnapshotManifest;<a name="line.153"></a> +<span class="sourceLineNo">154</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.154"></a> +<span class="sourceLineNo">155</span>import org.apache.hadoop.hbase.util.CancelableProgressable;<a name="line.155"></a> +<span class="sourceLineNo">156</span>import org.apache.hadoop.hbase.util.ClassSize;<a name="line.156"></a> +<span class="sourceLineNo">157</span>import org.apache.hadoop.hbase.util.CollectionUtils;<a name="line.157"></a> +<span class="sourceLineNo">158</span>import org.apache.hadoop.hbase.util.CompressionTest;<a name="line.158"></a> +<span class="sourceLineNo">159</span>import org.apache.hadoop.hbase.util.EncryptionTest;<a name="line.159"></a> +<span class="sourceLineNo">160</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.160"></a> +<span class="sourceLineNo">161</span>import org.apache.hadoop.hbase.util.FSUtils;<a name="line.161"></a> +<span class="sourceLineNo">162</span>import org.apache.hadoop.hbase.util.HashedBytes;<a name="line.162"></a> +<span class="sourceLineNo">163</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.163"></a> +<span class="sourceLineNo">164</span>import org.apache.hadoop.hbase.util.ServerRegionReplicaUtil;<a name="line.164"></a> +<span class="sourceLineNo">165</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.165"></a> +<span class="sourceLineNo">166</span>import org.apache.hadoop.hbase.wal.WAL;<a name="line.166"></a> +<span class="sourceLineNo">167</span>import org.apache.hadoop.hbase.wal.WALEdit;<a name="line.167"></a> +<span class="sourceLineNo">168</span>import org.apache.hadoop.hbase.wal.WALFactory;<a name="line.168"></a> +<span class="sourceLineNo">169</span>import org.apache.hadoop.hbase.wal.WALKey;<a name="line.169"></a> +<span class="sourceLineNo">170</span>import org.apache.hadoop.hbase.wal.WALSplitter;<a name="line.170"></a> +<span class="sourceLineNo">171</span>import org.apache.hadoop.hbase.wal.WALSplitter.MutationReplay;<a name="line.171"></a> +<span class="sourceLineNo">172</span>import org.apache.hadoop.io.MultipleIOException;<a name="line.172"></a> +<span class="sourceLineNo">173</span>import org.apache.hadoop.util.StringUtils;<a name="line.173"></a> +<span class="sourceLineNo">174</span>import org.apache.htrace.Trace;<a name="line.174"></a> +<span class="sourceLineNo">175</span>import org.apache.htrace.TraceScope;<a name="line.175"></a> +<span class="sourceLineNo">176</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.176"></a> +<span class="sourceLineNo">177</span><a name="line.177"></a> +<span class="sourceLineNo">178</span>import org.apache.hadoop.hbase.shaded.com.google.common.annotations.VisibleForTesting;<a name="line.178"></a> +<span class="sourceLineNo">179</span>import org.apache.hadoop.hbase.shaded.com.google.common.base.Preconditions;<a name="line.179"></a> +<span class="sourceLineNo">180</span>import org.apache.hadoop.hbase.shaded.com.google.common.collect.Lists;<a name="line.180"></a> +<span class="sourceLineNo">181</span>import org.apache.hadoop.hbase.shaded.com.google.common.collect.Maps;<a name="line.181"></a> +<span class="sourceLineNo">182</span>import org.apache.hadoop.hbase.shaded.com.google.common.io.Closeables;<a name="line.182"></a> +<span class="sourceLineNo">183</span>import org.apache.hadoop.hbase.shaded.com.google.protobuf.Service;<a name="line.183"></a> +<span class="sourceLineNo">184</span>import org.apache.hadoop.hbase.shaded.com.google.protobuf.TextFormat;<a name="line.184"></a> +<span class="sourceLineNo">185</span>import org.apache.hadoop.hbase.shaded.com.google.protobuf.UnsafeByteOperations;<a name="line.185"></a> +<span class="sourceLineNo">186</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.186"></a> +<span class="sourceLineNo">187</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos;<a name="line.187"></a> +<span class="sourceLineNo">188</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.CoprocessorServiceCall;<a name="line.188"></a> +<span class="sourceLineNo">189</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClusterStatusProtos.RegionLoad;<a name="line.189"></a> +<span class="sourceLineNo">190</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClusterStatusProtos.StoreSequenceId;<a name="line.190"></a> +<span class="sourceLineNo">191</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.SnapshotProtos.SnapshotDescription;<a name="line.191"></a> +<span class="sourceLineNo">192</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos;<a name="line.192"></a> +<span class="sourceLineNo">193</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos.CompactionDescriptor;<a name="line.193"></a> +<span class="sourceLineNo">194</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos.FlushDescriptor;<a name="line.194"></a> +<span class="sourceLineNo">195</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos.FlushDescriptor.FlushAction;<a name="line.195"></a> +<span class="sourceLineNo">196</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos.FlushDescriptor.StoreFlushDescriptor;<a name="line.196"></a> +<span class="sourceLineNo">197</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos.RegionEventDescriptor;<a name="line.197"></a> +<span class="sourceLineNo">198</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos.RegionEventDescriptor.EventType;<a name="line.198"></a> +<span class="sourceLineNo">199</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos.StoreDescriptor;<a name="line.199"></a> +<span class="sourceLineNo">200</span><a name="line.200"></a> +<span class="sourceLineNo">201</span>/**<a name="line.201"></a> +<span class="sourceLineNo">202</span> * Regions store data for a certain region of a table. It stores all columns<a name="line.202"></a> +<span class="sourceLineNo">203</span> * for each row. A given table consists of one or more Regions.<a name="line.203"></a> +<span class="sourceLineNo">204</span> *<a name="line.204"></a> +<span class="sourceLineNo">205</span> * <p>An Region is defined by its table and its key extent.<a name="line.205"></a> +<span class="sourceLineNo">206</span> *<a name="line.206"></a> +<span class="sourceLineNo">207</span> * <p>Locking at the Region level serves only one purpose: preventing the<a name="line.207"></a> +<span class="sourceLineNo">208</span> * region from being closed (and consequently split) while other operations<a name="line.208"></a> +<span class="sourceLineNo">209</span> * are ongoing. Each row level operation obtains both a row lock and a region<a name="line.209"></a> +<span class="sourceLineNo">210</span> * read lock for the duration of the operation. While a scanner is being<a name="line.210"></a> +<span class="sourceLineNo">211</span> * constructed, getScanner holds a read lock. If the scanner is successfully<a name="line.211"></a> +<span class="sourceLineNo">212</span> * constructed, it holds a read lock until it is closed. A close takes out a<a name="line.212"></a> +<span class="sourceLineNo">213</span> * write lock and consequently will block for ongoing operations and will block<a name="line.213"></a> +<span class="sourceLineNo">214</span> * new operations from starting while the close is in progress.<a name="line.214"></a> +<span class="sourceLineNo">215</span> */<a name="line.215"></a> +<span class="sourceLineNo">216</span>@SuppressWarnings("deprecation")<a name="line.216"></a> +<span class="sourceLineNo">217</span>@InterfaceAudience.Private<a name="line.217"></a> +<span class="sourceLineNo">218</span>public class HRegion implements HeapSize, PropagatingConfigurationObserver, Region {<a name="line.218"></a> +<span class="sourceLineNo">219</span> private static final Log LOG = LogFactory.getLog(HRegion.class);<a name="line.219"></a> +<span class="sourceLineNo">220</span><a name="line.220"></a> +<span class="sourceLineNo">221</span> public static final String LOAD_CFS_ON_DEMAND_CONFIG_KEY =<a name="line.221"></a> +<span class="sourceLineNo">222</span> "hbase.hregion.scan.loadColumnFamiliesOnDemand";<a name="line.222"></a> +<span class="sourceLineNo">223</span><a name="line.223"></a> +<span class="sourceLineNo">224</span> public static final String HBASE_MAX_CELL_SIZE_KEY = "hbase.server.keyvalue.maxsize";<a name="line.224"></a> +<span class="sourceLineNo">225</span> public static final int DEFAULT_MAX_CELL_SIZE = 10485760;<a name="line.225"></a> +<span class="sourceLineNo">226</span><a name="line.226"></a> +<span class="sourceLineNo">227</span> /**<a name="line.227"></a> +<span class="sourceLineNo">228</span> * This is the global default value for durability. All tables/mutations not<a name="line.228"></a> +<span class="sourceLineNo">229</span> * defining a durability or using USE_DEFAULT will default to this value.<a name="line.229"></a> +<span class="sourceLineNo">230</span> */<a name="line.230"></a> +<span class="sourceLineNo">231</span> private static final Durability DEFAULT_DURABILITY = Durability.SYNC_WAL;<a name="line.231"></a> +<span class="sourceLineNo">232</span><a name="line.232"></a> +<span class="sourceLineNo">233</span> final AtomicBoolean closed = new AtomicBoolean(false);<a name="line.233"></a> +<span class="sourceLineNo">234</span><a name="line.234"></a> +<span class="sourceLineNo">235</span> /* Closing can take some time; use the closing flag if there is stuff we don't<a name="line.235"></a> +<span class="sourceLineNo">236</span> * want to do while in closing state; e.g. like offer this region up to the<a name="line.236"></a> +<span class="sourceLineNo">237</span> * master as a region to close if the carrying regionserver is overloaded.<a name="line.237"></a> +<span class="sourceLineNo">238</span> * Once set, it is never cleared.<a name="line.238"></a> +<span class="sourceLineNo">239</span> */<a name="line.239"></a> +<span class="sourceLineNo">240</span> final AtomicBoolean closing = new AtomicBoolean(false);<a name="line.240"></a> +<span class="sourceLineNo">241</span><a name="line.241"></a> +<span class="sourceLineNo">242</span> /**<a name="line.242"></a> +<span class="sourceLineNo">243</span> * The max sequence id of flushed data on this region. There is no edit in memory that is<a name="line.243"></a> +<span class="sourceLineNo">244</span> * less that this sequence id.<a name="line.244"></a> +<span class="sourceLineNo">245</span> */<a name="line.245"></a> +<span class="sourceLineNo">246</span> private volatile long maxFlushedSeqId = HConstants.NO_SEQNUM;<a name="line.246"></a> +<span class="sourceLineNo">247</span><a name="line.247"></a> +<span class="sourceLineNo">248</span> /**<a name="line.248"></a> +<span class="sourceLineNo">249</span> * Record the sequence id of last flush operation. Can be in advance of<a name="line.249"></a> +<span class="sourceLineNo">250</span> * {@link #maxFlushedSeqId} when flushing a single column family. In this case,<a name="line.250"></a> +<span class="sourceLineNo">251</span> * {@link #maxFlushedSeqId} will be older than the oldest edit in memory.<a name="line.251"></a> +<span class="sourceLineNo">252</span> */<a name="line.252"></a> +<span class="sourceLineNo">253</span> private volatile long lastFlushOpSeqId = HConstants.NO_SEQNUM;<a name="line.253"></a> +<span class="sourceLineNo">254</span><a name="line.254"></a> +<span class="sourceLineNo">255</span> /**<a name="line.255"></a> +<span class="sourceLineNo">256</span> * The sequence id of the last replayed open region event from the primary region. This is used<a name="line.256"></a> +<span class="sourceLineNo">257</span> * to skip entries before this due to the possibility of replay edits coming out of order from<a name="line.257"></a> +<span class="sourceLineNo">258</span> * replication.<a name="line.258"></a> +<span class="sourceLineNo">259</span> */<a name="line.259"></a> +<span class="sourceLineNo">260</span> protected volatile long lastReplayedOpenRegionSeqId = -1L;<a name="line.260"></a> +<span class="sourceLineNo">261</span> protected volatile long lastReplayedCompactionSeqId = -1L;<a name="line.261"></a> +<span class="sourceLineNo">262</span><a name="line.262"></a> +<span class="sourceLineNo">263</span> //////////////////////////////////////////////////////////////////////////////<a name="line.263"></a> +<span class="sourceLineNo">264</span> // Members<a name="line.264"></a> +<span class="sourceLineNo">265</span> //////////////////////////////////////////////////////////////////////////////<a name="line.265"></a> +<span class="sourceLineNo">266</span><a name="line.266"></a> +<span class="sourceLineNo">267</span> // map from a locked row to the context for that lock including:<a name="line.267"></a> +<span class="sourceLineNo">268</span> // - CountDownLatch for threads waiting on that row<a name="line.268"></a> +<span class="sourceLineNo">269</span> // - the thread that owns the lock (allow reentrancy)<a name="line.269"></a> +<span class="sourceLineNo">270</span> // - reference count of (reentrant) locks held by the thread<a name="line.270"></a> +<span class="sourceLineNo">271</span> // - the row itself<a name="line.271"></a> +<span class="sourceLineNo">272</span> private final ConcurrentHashMap<HashedBytes, RowLockContext> lockedRows =<a name="line.272"></a> +<span class="sourceLineNo">273</span> new ConcurrentHashMap<>();<a name="line.273"></a> +<span class="sourceLineNo">274</span><a name="line.274"></a> +<span class="sourceLineNo">275</span> protected final Map<byte[], HStore> stores =<a name="line.275"></a> +<span class="sourceLineNo">276</span> new ConcurrentSkipListMap<>(Bytes.BYTES_RAWCOMPARATOR);<a name="line.276"></a> +<span class="sourceLineNo">277</span><a name="line.277"></a> +<span class="sourceLineNo">278</span> // TODO: account for each registered handler in HeapSize computation<a name="line.278"></a> +<span class="sourceLineNo">279</span> private Map<String, com.google.protobuf.Service> coprocessorServiceHandlers = Maps.newHashMap();<a name="line.279"></a> <span class="sourceLineNo">280</span><a name="line.280"></a> -<span class="sourceLineNo">281</span> // Number of requests blocked by memstore size.<a name="line.281"></a> -<span class="sourceLineNo">282</span> private final LongAdder blockedRequestsCount = new LongAdder();<a name="line.282"></a> +<span class="sourceLineNo">281</span> private final AtomicLong memstoreDataSize = new AtomicLong(0);// Track data size in all memstores<a name="line.281"></a> +<span class="sourceLineNo">282</span> private final RegionServicesForStores regionServicesForStores = new RegionServicesForStores(this);<a name="line.282"></a> <span class="sourceLineNo">283</span><a name="line.283"></a> -<span class="sourceLineNo">284</span> // Compaction LongAdders<a name="line.284"></a> -<span class="sourceLineNo">285</span> final LongAdder compactionsFinished = new LongAdder();<a name="line.285"></a> -<span class="sourceLineNo">286</span> final LongAdder compactionsFailed = new LongAdder();<a name="line.286"></a> -<span class="sourceLineNo">287</span> final LongAdder compactionNumFilesCompacted = new LongAdder();<a name="line.287"></a> -<span class="sourceLineNo">288</span> final LongAdder compactionNumBytesCompacted = new LongAdder();<a name="line.288"></a> -<span class="sourceLineNo">289</span> final LongAdder compactionsQueued = new LongAdder();<a name="line.289"></a> -<span class="sourceLineNo">290</span> final LongAdder flushesQueued = new LongAdder();<a name="line.290"></a> +<span class="sourceLineNo">284</span> // Debug possible data loss due to WAL off<a name="line.284"></a> +<span class="sourceLineNo">285</span> final LongAdder numMutationsWithoutWAL = new LongAdder();<a name="line.285"></a> +<span class="sourceLineNo">286</span> final LongAdder dataInMemoryWithoutWAL = new LongAdder();<a name="line.286"></a> +<span class="sourceLineNo">287</span><a name="line.287"></a> +<span class="sourceLineNo">288</span> // Debug why CAS operations are taking a while.<a name="line.288"></a> +<span class="sourceLineNo">289</span> final LongAdder checkAndMutateChecksPassed = new LongAdder();<a name="line.289"></a> +<span class="sourceLineNo">290</span> final LongAdder checkAndMutateChecksFailed = new LongAdder();<a name="line.290"></a> <span class="sourceLineNo">291</span><a name="line.291"></a> -<span class="sourceLineNo">292</span> private final WAL wal;<a name="line.292"></a> -<span class="sourceLineNo">293</span> private final HRegionFileSystem fs;<a name="line.293"></a> -<span class="sourceLineNo">294</span> protected final Configuration conf;<a name="line.294"></a> -<span class="sourceLineNo">295</span> private final Configuration baseConf;<a name="line.295"></a> -<span class="sourceLineNo">296</span> private final int rowLockWaitDuration;<a name="line.296"></a> -<span class="sourceLineNo">297</span> static final int DEFAULT_ROWLOCK_WAIT_DURATION = 30000;<a name="line.297"></a> -<span class="sourceLineNo">298</span><a name="line.298"></a> -<span class="sourceLineNo">299</span> // The internal wait duration to acquire a lock before read/update<a name="line.299"></a> -<span class="sourceLineNo">300</span> // from the region. It is not per row. The purpose of this wait time<a name="line.300"></a> -<span class="sourceLineNo">301</span> // is to avoid waiting a long time while the region is busy, so that<a name="line.301"></a> -<span class="sourceLineNo">302</span> // we can release the IPC handler soon enough to improve the<a name="line.302"></a> -<span class="sourceLineNo">303</span> // availability of the region server. It can be adjusted by<a name="line.303"></a> -<span class="sourceLineNo">304</span> // tuning configuration "hbase.busy.wait.duration".<a name="line.304"></a> -<span class="sourceLineNo">305</span> final long busyWaitDuration;<a name="line.305"></a> -<span class="sourceLineNo">306</span> static final long DEFAULT_BUSY_WAIT_DURATION = HConstants.DEFAULT_HBASE_RPC_TIMEOUT;<a name="line.306"></a> +<span class="sourceLineNo">292</span> // Number of requests<a name="line.292"></a> +<span class="sourceLineNo">293</span> final LongAdder readRequestsCount = new LongAdder();<a name="line.293"></a> +<span class="sourceLineNo">294</span> final LongAdder filteredReadRequestsCount = new LongAdder();<a name="line.294"></a> +<span class="sourceLineNo">295</span> final LongAdder writeRequestsCount = new LongAdder();<a name="line.295"></a> +<span class="sourceLineNo">296</span><a name="line.296"></a> +<span class="sourceLineNo">297</span> // Number of requests blocked by memstore size.<a name="line.297"></a> +<span class="sourceLineNo">298</span> private final LongAdder blockedRequestsCount = new LongAdder();<a name="line.298"></a> +<span class="sourceLineNo">299</span><a name="line.299"></a> +<span class="sourceLineNo">300</span> // Compaction LongAdders<a name="line.300"></a> +<span class="sourceLineNo">301</span> final LongAdder compactionsFinished = new LongAdder();<a name="line.301"></a> +<span class="sourceLineNo">302</span> final LongAdder compactionsFailed = new LongAdder();<a name="line.302"></a> +<span class="sourceLineNo">303</span> final LongAdder compactionNumFilesCompacted = new LongAdder();<a name="line.303"></a> +<span class="sourceLineNo">304</span> final LongAdder compactionNumBytesCompacted = new LongAdder();<a name="line.304"></a> +<span class="sourceLineNo">305</span> final LongAdder compactionsQueued = new LongAdder();<a name="line.305"></a> +<span class="sourceLineNo">306</span> final LongAdder flushesQueued = new LongAdder();<a name="line.306"></a> <span class="sourceLineNo">307</span><a name="line.307"></a> -<span class="sourceLineNo">308</span> // If updating multiple rows in one call, wait longer,<a name="line.308"></a> -<span class="sourceLineNo">309</span> // i.e. waiting for busyWaitDuration * # of rows. However,<a name="line.309"></a> -<span class="sourceLineNo">310</span> // we can limit the max multiplier.<a name="line.310"></a> -<span class="sourceLineNo">311</span> final int maxBusyWaitMultiplier;<a name="line.311"></a> -<span class="sourceLineNo">312</span><a name="line.312"></a> -<span class="sourceLineNo">313</span> // Max busy wait duration. There is no point to wait longer than the RPC<a name="line.313"></a> -<span class="sourceLineNo">314</span> // purge timeout, when a RPC call will be terminated by the RPC engine.<a name="line.314"></a> -<span class="sourceLineNo">315</span> final long maxBusyWaitDuration;<a name="line.315"></a> -<span class="sourceLineNo">316</span><a name="line.316"></a> -<span class="sourceLineNo">317</span> // Max cell size. If nonzero, the maximum allowed size for any given cell<a name="line.317"></a> -<span class="sourceLineNo">318</span> // in bytes<a name="line.318"></a> -<span class="sourceLineNo">319</span> final long maxCellSize;<a name="line.319"></a> -<span class="sourceLineNo">320</span><a name="line.320"></a> -<span class="sourceLineNo">321</span> // negative number indicates infinite timeout<a name="line.321"></a> -<span class="sourceLineNo">322</span> static final long DEFAULT_ROW_PROCESSOR_TIMEOUT = 60 * 1000L;<a name="line.322"></a> -<span class="sourceLineNo">323</span> final ExecutorService rowProcessorExecutor = Executors.newCachedThreadPool();<a name="line.323"></a> -<span class="sourceLineNo">324</span><a name="line.324"></a> -<span class="sourceLineNo">325</span> private final ConcurrentHashMap<RegionScanner, Long> scannerReadPoints;<a name="line.325"></a> -<span class="sourceLineNo">326</span><a name="line.326"></a> -<span class="sourceLineNo">327</span> /**<a name="line.327"></a> -<span class="sourceLineNo">328</span> * The sequence ID that was enLongAddered when this region was opened.<a name="line.328"></a> -<span class="sourceLineNo">329</span> */<a name="line.329"></a> -<span class="sourceLineNo">330</span> private long openSeqNum = HConstants.NO_SEQNUM;<a name="line.330"></a> -<span class="sourceLineNo">331</span><a name="line.331"></a> -<span class="sourceLineNo">332</span> /**<a name="line.332"></a> -<span class="sourceLineNo">333</span> * The default setting for whether to enable on-demand CF loading for<a name="line.333"></a> -<span class="sourceLineNo">334</span> * scan requests to this region. Requests can override it.<a name="line.334"></a> -<span class="sourceLineNo">335</span> */<a name="line.335"></a> -<span class="sourceLineNo">336</span> private boolean isLoadingCfsOnDemandDefault = false;<a name="line.336"></a> -<span class="sourceLineNo">337</span><a name="line.337"></a> -<span class="sourceLineNo">338</span> private final AtomicInteger majorInProgress = new AtomicInteger(0);<a name="line.338"></a> -<span class="sourceLineNo">339</span> private final AtomicInteger minorInProgress = new AtomicInteger(0);<a name="line.339"></a> +<span class="sourceLineNo">308</span> private final WAL wal;<a name="line.308"></a> +<span class="sourceLineNo">309</span> private final HRegionFileSystem fs;<a name="line.309"></a> +<span class="sourceLineNo">310</span> protected final Configuration conf;<a name="line.310"></a> +<span class="sourceLineNo">311</span> private final Configuration baseConf;<a name="line.311"></a> +<span class="sourceLineNo">312</span> private final int rowLockWaitDuration;<a name="line.312"></a> +<span class="sourceLineNo">313</span> static final int DEFAULT_ROWLOCK_WAIT_DURATION = 30000;<a name="line.313"></a> +<span class="sourceLineNo">314</span><a name="line.314"></a> +<span class="sourceLineNo">315</span> // The internal wait duration to acquire a lock before read/update<a name="line.315"></a> +<span class="sourceLineNo">316</span> // from the region. It is not per row. The purpose of this wait time<a name="line.316"></a> +<span class="sourceLineNo">317</span> // is to avoid waiting a long time while the region is busy, so that<a name="line.317"></a> +<span class="sourceLineNo">318</span> // we can release the IPC handler soon enough to improve the<a name="line.318"></a> +<span class="sourceLineNo">319</span> // availability of the region server. 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However,<a name="line.325"></a> +<span class="sourceLineNo">326</span> // we can limit the max multiplier.<a name="line.326"></a> +<span class="sourceLineNo">327</span> final int maxBusyWaitMultiplier;<a name="line.327"></a> +<span class="sourceLineNo">328</span><a name="line.328"></a> +<span class="sourceLineNo">329</span> // Max busy wait duration. There is no point to wait longer than the RPC<a name="line.329"></a> +<span class="sourceLineNo">330</span> // purge timeout, when a RPC call will be terminated by the RPC engine.<a name="line.330"></a> +<span class="sourceLineNo">331</span> final long maxBusyWaitDuration;<a name="line.331"></a> +<span class="sourceLineNo">332</span><a name="line.332"></a> +<span class="sourceLineNo">333</span> // Max cell size. If nonzero, the maximum allowed size for any given cell<a name="line.333"></a> +<span class="sourceLineNo">334</span> // in bytes<a name="line.334"></a> +<span class="sourceLineNo">335</span> final long maxCellSize;<a name="line.335"></a> +<span class="sourceLineNo">336</span><a name="line.336"></a> +<span class="sourceLineNo">337</span> // negative number indicates infinite timeout<a name="line.337"></a> +<span class="sourceLineNo">338</span> static final long DEFAULT_ROW_PROCESSOR_TIMEOUT = 60 * 1000L;<a name="line.338"></a> +<span class="sourceLineNo">339</span> final ExecutorService rowProcessorExecutor = Executors.newCachedThreadPool();<a name="line.339"></a> <span class="sourceLineNo">340</span><a name="line.340"></a> -<span class="sourceLineNo">341</span> //<a name="line.341"></a> -<span class="sourceLineNo">342</span> // Context: During replay we want to ensure that we do not lose any data. So, we<a name="line.342"></a> -<span class="sourceLineNo">343</span> // have to be conservative in how we replay wals. For each store, we calculate<a name="line.343"></a> -<span class="sourceLineNo">344</span> // the maxSeqId up to which the store was flushed. And, skip the edits which<a name="line.344"></a> -<span class="sourceLineNo">345</span> // are equal to or lower than maxSeqId for each store.<a name="line.345"></a> -<span class="sourceLineNo">346</span> // The following map is populated when opening the region<a name="line.346"></a> -<span class="sourceLineNo">347</span> Map<byte[], Long> maxSeqIdInStores = new TreeMap<>(Bytes.BYTES_COMPARATOR);<a name="line.347"></a> -<span class="sourceLineNo">348</span><a name="line.348"></a> -<span class="sourceLineNo">349</span> /** Saved state from replaying prepare flush cache */<a name="line.349"></a> -<span class="sourceLineNo">350</span> private PrepareFlushResult prepareFlushResult = null;<a name="line.350"></a> -<span class="sourceLineNo">351</span><a name="line.351"></a> -<span class="sourceLineNo">352</span> /**<a name="line.352"></a> -<span class="sourceLineNo">353</span> * Config setting for whether to allow writes when a region is in recovering or not.<a name="line.353"></a> -<span class="sourceLineNo">354</span> */<a name="line.354"></a> -<span class="sourceLineNo">355</span> private boolean disallowWritesInRecovering = false;<a name="line.355"></a> +<span class="sourceLineNo">341</span> private final ConcurrentHashMap<RegionScanner, Long> scannerReadPoints;<a name="line.341"></a> +<span class="sourceLineNo">342</span><a name="line.342"></a> +<span class="sourceLineNo">343</span> /**<a name="line.343"></a> +<span class="sourceLineNo">344</span> * The sequence ID that was enLongAddered when this region was opened.<a name="line.344"></a> +<span class="sourceLineNo">345</span> */<a name="line.345"></a> +<span class="sourceLineNo">346</span> private long openSeqNum = HConstants.NO_SEQNUM;<a name="line.346"></a> +<span class="sourceLineNo">347</span><a name="line.347"></a> +<span class="sourceLineNo">348</span> /**<a name="line.348"></a> +<span class="sourceLineNo">349</span> * The default setting for whether to enable on-demand CF loading for<a name="line.349"></a> +<span class="sourceLineNo">350</span> * scan requests to this region. Requests can override it.<a name="line.350"></a> +<span class="sourceLineNo">351</span> */<a name="line.351"></a> +<span class="sourceLineNo">352</span> private boolean isLoadingCfsOnDemandDefault = false;<a name="line.352"></a> +<span class="sourceLineNo">353</span><a name="line.353"></a> +<span class="sourceLineNo">354</span> private final AtomicInteger majorInProgress = new AtomicInteger(0);<a name="line.354"></a> +<span class="sourceLineNo">355</span> private final AtomicInteger minorInProgress = new AtomicInteger(0);<a name="line.355"></a> <span class="sourceLineNo">356</span><a name="line.356"></a> -<span class="sourceLineNo">357</span> // When a region is in recovering state, it can only accept writes not reads<a name="line.357"></a> -<span class="sourceLineNo">358</span> private volatile boolean recovering = false;<a name="line.358"></a> -<span class="sourceLineNo">359</span><a name="line.359"></a> -<span class="sourceLineNo">360</span> private volatile Optional<ConfigurationManager> configurationManager;<a name="line.360"></a> -<span class="sourceLineNo">361</span><a name="line.361"></a> -<span class="sourceLineNo">362</span> // Used for testing.<a name="line.362"></a> -<span class="sourceLineNo">363</span> private volatile Long timeoutForWriteLock = null;<a name="line.363"></a> +<span class="sourceLineNo">357</span> //<a name="line.357"></a> +<span class="sourceLineNo">358</span> // Context: During replay we want to ensure that we do not lose any data. So, we<a name="line.358"></a> +<span class="sourceLineNo">359</span> // have to be conservative in how we replay wals. For each store, we calculate<a name="line.359"></a> +<span class="sourceLineNo">360</span> // the maxSeqId up to which the store was flushed. And, skip the edits which<a name="line.360"></a> +<span class="sourceLineNo">361</span> // are equal to or lower than maxSeqId for each store.<a name="line.361"></a> +<span class="sourceLineNo">362</span> // The following map is populated when opening the region<a name="line.362"></a> +<span class="sourceLineNo">363</span> Map<byte[], Long> maxSeqIdInStores = new TreeMap<>(Bytes.BYTES_COMPARATOR);<a name="line.363"></a> <span class="sourceLineNo">364</span><a name="line.364"></a> -<span class="sourceLineNo">365</span> /**<a name="line.365"></a> -<span class="sourceLineNo">366</span> * @return The smallest mvcc readPoint across all the scanners in this<a name="line.366"></a> -<span class="sourceLineNo">367</span> * region. Writes older than this readPoint, are included in every<a name="line.367"></a> -<span class="sourceLineNo">368</span> * read operation.<a name="line.368"></a> -<span class="sourceLineNo">369</span> */<a name="line.369"></a> -<span class="sourceLineNo">370</span> public long getSmallestReadPoint() {<a name="line.370"></a> -<span class="sourceLineNo">371</span> long minimumReadPoint;<a name="line.371"></a> -<span class="sourceLineNo">372</span> // We need to ensure that while we are calculating the smallestReadPoint<a name="line.372"></a> -<span class="sourceLineNo">373</span> // no new RegionScanners can grab a readPoint that we are unaware of.<a name="line.373"></a> -<span class="sourceLineNo">374</span> // We achieve this by synchronizing on the scannerReadPoints object.<a name="line.374"></a> -<span class="sourceLineNo">375</span> synchronized (scannerReadPoints) {<a name="line.375"></a> -<span class="sourceLineNo">376</span> minimumReadPoint = mvcc.getReadPoint();<a name="line.376"></a> -<span class="sourceLineNo">377</span> for (Long readPoint : this.scannerReadPoints.values()) {<a name="line.377"></a> -<span class="sourceLineNo">378</span> if (readPoint < minimumReadPoint) {<a name="line.378"></a> -<span class="sourceLineNo">379</span> minimumReadPoint = readPoint;<a name="line.379"></a> -<span class="sourceLineNo">380</span> }<a name="line.380"></a> -<span class="sourceLineNo">381</span> }<a name="line.381"></a> -<span class="sourceLineNo">382</span> }<a name="line.382"></a> -<span class="sourceLineNo">383</span> return minimumReadPoint;<a name="line.383"></a> -<span class="sourceLineNo">384</span> }<a name="line.384"></a> -<span class="sourceLineNo">385</span><a name="line.385"></a> -<span class="sourceLineNo">386</span> /*<a name="line.386"></a> -<span class="sourceLineNo">387</span> * Data structure of write state flags used coordinating flushes,<a name="line.387"></a> -<span class="sourceLineNo">388</span> * compactions and closes.<a name="line.388"></a> -<span class="sourceLineNo">389</span> */<a name="line.389"></a> -<span class="sourceLineNo">390</span> static class WriteState {<a name="line.390"></a> -<span class="sourceLineNo">391</span> // Set while a memstore flush is happening.<a name="line.391"></a> -<span class="sourceLineNo">392</span> volatile boolean flushing = false;<a name="line.392"></a> -<span class="sourceLineNo">393</span> // Set when a flush has been requested.<a name="line.393"></a> -<span class="sourceLineNo">394</span> volatile boolean flushRequested = false;<a name="line.394"></a> -<span class="sourceLineNo">395</span> // Number of compactions running.<a name="line.395"></a> -<span class="sourceLineNo">396</span> AtomicInteger compacting = new AtomicInteger(0);<a name="line.396"></a> -<span class="sourceLineNo">397</span> // Gets set in close. If set, cannot compact or flush again.<a name="line.397"></a> -<span class="sourceLineNo">398</span> volatile boolean writesEnabled = true;<a name="line.398"></a> -<span class="sourceLineNo">399</span> // Set if region is read-only<a name="line.399"></a> -<span class="sourceLineNo">400</span> volatile boolean readOnly = false;<a name="line.400"></a> -<span class="sourceLineNo">401</span> // whether the reads are enabled. 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Writes older than this readPoint, are included in every<a name="line.383"></a> +<span class="sourceLineNo">384</span> * read operation.<a name="line.384"></a> +<span class="sourceLineNo">385</span> */<a name="line.385"></a> +<span class="sourceLineNo">386</span> public long getSmallestReadPoint() {<a name="line.386"></a> +<span class="sourceLineNo">387</span> long minimumReadPoint;<a name="line.387"></a> +<span class="sourceLineNo">388</span> // We need to ensure that while we are calculating the smallestReadPoint<a name="line.388"></a> +<span class="sourceLineNo">389</span> // no new RegionScanners can grab a readPoint that we are unaware of.<a name="line.389"></a> +<span class="sourceLineNo">390</span> // We achieve this by synchronizing on the scannerReadPoints object.<a name="line.390"></a> +<span class="sourceLineNo">391</span> synchronized (scannerReadPoints) {<a name="line.391"></a> +<span class="sourceLineNo">392</span> minimumReadPoint = mvcc.getReadPoint();<a name="line.392"></a> +<span class="sourceLineNo">393</span> for (Long readPoint : this.scannerReadPoints.values()) {<a name="line.393"></a> +<span class="sourceLineNo">394</span> if (readPoint < minimumReadPoint) {<a name="line.394"></a> +<span class="sourceLineNo">395</span> minimumReadPoint = readPoint;<a name="line.395"></a> +<span class="sourceLineNo">396</span> }<a name="line.396"></a> +<span class="sourceLineNo">397</span> }<a name="line.397"></a> +<span class="sourceLineNo">398</span> }<a name="line.398"></a> +<span class="sourceLineNo">399</span> return minimumReadPoint;<a name="line.399"></a> +<span class="sourceLineNo">400</span> }<a name="line.400"></a> +<span class="sourceLineNo">401</span><a name="line.401"></a> +<span class="sourceLineNo">402</span> /*<a name="line.402"></a> +<span class="sourceLineNo">403</span> * Data structure of write state flags used coordinating flushes,<a name="line.403"></a> +<span class="sourceLineNo">404</span> * compactions and closes.<a name="line.404"></a> +<span class="sourceLineNo">405</span> */<a name="line.405"></a> +<span class="sourceLineNo">406</span> static class WriteState {<a name="line.406"></a> +<span class="sourceLineNo">407</span> // Set while a memstore flush is happening.<a name="line.407"></a> +<span class="sourceLineNo">408</span> volatile boolean flushing = false;<a name="line.408"></a> +<span class="sourceLineNo">409</span> // Set when a flush has been requested.<a name="line.409"></a> +<span class="sourceLineNo">410</span> volatile boolean flushRequested = false;<a name="line.410"></a> +<span class="sourceLineNo">411</span> // Number of compactions running.<a name="line.411"></a> +<span class="sourceLineNo">412</span> AtomicInteger compacting = new AtomicInteger(0);<a name="line.412"></a> +<span class="sourceLineNo">413</span> // Gets set in close. If set, cannot compact or flush again.<a name="line.413"></a> +<span class="sourceLineNo">414</span> volatile boolean writesEnabled = true;<a name="line.414"></a> +<span class="sourceLineNo">415</span> // Set if region is read-only<a name="line.415"></a> +<span class="sourceLineNo">416</span> volatile boolean readOnly = false;<a name="line.416"></a> +<span class="sourceLineNo">417</span> // whether the reads are enabled. This is different than readOnly, because readOnly is<a name="line.417"></a> +<span class="sourceLineNo">418</span> // static in the lifetime of the region, while readsEnabled is dynamic<a name="line.418"></a> +<span class="sourceLineNo">419</span> volatile boolean readsEnabled = true;<a name="line.419"></a> +<span class="sourceLineNo">420</span><a name="line.420"></a> +<span class="sourceLineNo">421</span> /**<a name="line.421"></a> +<span class="sourceLineNo">422</span> * Set flags that make this region read-only.<a name="line.422"></a> +<span class="sourceLineNo">423</span> *<a name="line.423"></a> +<span class="sourceLineNo">424</span> * @param onOff flip value for region r/o setting<a name="line.424"></a> +<span class="sourceLineNo">425</span> */<a name="line.425"></a> +<span class="sourceLineNo">426</span> synchronized void setReadOnly(final boolean onOff) {<a name="line.426"></a> +<span class="sourceLineNo">427</span> this.writesEnabled = !onOff;<a name="line.427"></a> +<span class="sourceLineNo">428</span> this.readOnly = onOff;<a name="line.428"></a> +<span class="sourceLineNo">429</span> }<a name="line.429"></a> <span class="sourceLineNo">430</span><a name="line.430"></a> -<span class="sourceLineNo">431</span> /**<a name="line.431"></a> -<span class="sourceLineNo">432</span> * Objects from this class are created when flushing to describe all the different states that<a name="line.432"></a> -<span class="sourceLineNo">433</span> * that method ends up in. The Result enum describes those states. The sequence id should only<a name="line.433"></a> -<span class="sourceLineNo">434</span> * be specified if the flush was successful, and the failure message should only be specified<a name="line.434"></a> -<span class="sourceLineNo">435</span> * if it didn't flush.<a name="line.435"></a> -<span class="sourceLineNo">436</span> */<a name="line.436"></a> -<span class="sourceLineNo">437</span> public static class FlushResultImpl implements FlushResult {<a name="line.437"></a> -<span class="sourceLineNo">438</span> final Result result;<a name="line.438"></a> -<span class="sourceLineNo">439</span> final String failureReason;<a name="line.439"></a> -<span class="sourceLineNo">440</span> final long flushSequenceId;<a name="line.440"></a> -<span class="sourceLineNo">441</span> final boolean wroteFlushWalMarker;<a name="line.441"></a> +<span class="sourceLineNo">431</span> boolean isReadOnly() {<a name="line.431"></a> +<span class="sourceLineNo">432</span> return this.readOnly;<a name="line.432"></a> +<span class="sourceLineNo">433</span> }<a name="line.433"></a> +<span class="sourceLineNo">434</span><a name="line.434"></a> +<span class="sourceLineNo">435</span> boolean isFlushRequested() {<a name="line.435"></a> +<span class="sourceLineNo">436</span> return this.flushRequested;<a name="line.436"></a> +<span class="sourceLineNo">437</span> }<a name="line.437"></a> +<span class="sourceLineNo">438</span><a name="line.438"></a> +<span class="sourceLineNo">439</span> void setReadsEnabled(boolean readsEnabled) {<a name="line.439"></a> +<span class="sourceLineNo">440</span> this.readsEnabled = readsEnabled;<a name="line.440"></a> +<span class="sourceLineNo">441</span> }<a name="line.441"></a> <span class="sourceLineNo">442</span><a name="line.442"></a> -<span class="sourceLineNo">443</span> /**<a name="line.443"></a> -<span class="sourceLineNo">444</span> * Convenience constructor to use when the flush is successful, the failure message is set to<a name="line.444"></a> -<span class="sourceLineNo">445</span> * null.<a name="line.445"></a> -<span class="sourceLineNo">446</span> * @param result Expecting FLUSHED_NO_COMPACTION_NEEDED or FLUSHED_COMPACTION_NEEDED.<a name="line.446"></a> -<span class="sourceLineNo">447</span> * @param flushSequenceId Generated sequence id that comes right after the edits in the<a name="line.447"></a> -<span class="sourceLineNo">448</span> * memstores.<a name="line.448"></a> -<span class="sourceLineNo">449</span> */<a name="line.449"></a> -<span class="sourceLineNo">450</span> FlushResultImpl(Result result, long flushSequenceId) {<a name="line.450"></a> -<span class="sourceLineNo">451</span> this(result, flushSequenceId, null, false);<a name="line.451"></a> -<span class="sourceLineNo">452</span> assert result == Result.FLUSHED_NO_COMPACTION_NEEDED || result == Result<a name="line.452"></a> -<span class="sourceLineNo">453</span> .FLUSHED_COMPACTION_NEEDED;<a name="line.453"></a> -<span class="sourceLineNo">454</span> }<a name="line.454"></a> -<span class="sourceLineNo">455</span><a name="line.455"></a> -<span class="sourceLineNo">456</span> /**<a name="line.456"></a> -<span class="sourceLineNo">457</span> * Convenience constructor to use when we cannot flush.<a name="line.457"></a> -<span class="sourceLineNo">458</span> * @param result Expecting CANNOT_FLUSH_MEMSTORE_EMPTY or CANNOT_FLUSH.<a name="line.458"></a> -<span class="sourceLineNo">459</span> * @param failureReason Reason why we couldn't flush.<a name="line.459"></a> -<span class="sourceLineNo">460</span> */<a name="line.460"></a> -<span class="sourceLineNo">461</span> FlushResultImpl(Result result, String failureReason, boolean wroteFlushMarker) {<a name="line.461"></a> -<span class="sourceLineNo">462</span> this(result, -1, failureReason, wroteFlushMarker);<a name="line.462"></a> -<span class="sourceLineNo">463</span> assert result == Result.CANNOT_FLUSH_MEMSTORE_EMPTY || result == Result.CANNOT_FLUSH;<a name="line.463"></a> -<span class="sourceLineNo">464</span> }<a name="line.464"></a> -<span class="sourceLineNo">465</span><a name="line.465"></a> -<span class="sourceLineNo">466</span> /**<a name="line.466"></a> -<span class="sourceLineNo">467</span> * Constructor with all the parameters.<a name="line.467"></a> -<span class="sourceLineNo">468</span> * @param result Any of the Result.<a name="line.468"></a> -<span class="sourceLineNo">469</span> * @param flushSequenceId Generated sequence id if the memstores were flushed else -1.<a name="line.469"></a> -<span class="sourceLineNo">470</span> * @param failureReason Reason why we couldn't flush, or null.<a name="line.470"></a> -<span class="sourceLineNo">471</span> */<a name="line.471"></a> -<span class="sourceLineNo">472</span> FlushResultImpl(Result result, long flushSequenceId, String failureReason,<a name="line.472"></a> -<span class="sourceLineNo">473</span> boolean wroteFlushMarker) {<a name="line.473"></a> -<span class="sourceLineNo">474</span> this.result = result;<a name="line.474"></a> -<span class="sourceLineNo">475</span> this.flushSequenceId = flushSequenceId;<a name="line.475"></a> -<span class="sourceLineNo">476</span> this.failureReason = failureReason;<a name="line.476"></a> -<span class="sourceLineNo">477</span> this.wroteFlushWalMarker = wroteFlushMarker;<a name="line.477"></a> -<span class="sourceLineNo">478</span> }<a name="line.478"></a> -<span class="sourceLineNo">479</span><a name="line.479"></a> -<span class="sourceLineNo">480</span> /**<a name="line.480"></a> -<span class="sourceLineNo">481</span> * Convenience method, the equivalent of checking if result is<a name="line.481"></a> -<span class="sourceLineNo">482</span> * FLUSHED_NO_COMPACTION_NEEDED or FLUSHED_NO_COMPACTION_NEEDED.<a name="line.482"></a> -<span class="sourceLineNo">483</span> * @return true if the memstores were flushed, else false.<a name="line.483"></a> -<span class="sourceLineNo">484</span> */<a name="line.484"></a> -<span class="sourceLineNo">485</span> @Override<a name="line.485"></a> -<span class="sourceLineNo">486</span> public boolean isFlushSucceeded() {<a name="line.486"></a> -<span class="sourceLineNo">487</span> return result == Result.FLUSHED_NO_COMPACTION_NEEDED || result == Result<a name="line.487"></a> -<span class="sourceLineNo">488</span> .FLUSHED_COMPACTION_NEEDED;<a name="line.488"></a> -<span class="sourceLineNo">489</span> }<a name="line.489"></a> -<span class="sourceLineNo">490</span><a name="line.490"></a> -<span class="sourceLineNo">491</span> /**<a name="line.491"></a> -<span class="sourceLineNo">492</span> * Convenience method, the equivalent of checking if result is FLUSHED_COMPACTION_NEEDED.<a name="line.492"></a> -<span class="sourceLineNo">493</span> * @return True if the flush requested a compaction, else false (doesn't even mean it flushed).<a name="line.493"></a> -<span class="sourceLineNo">494</span> */<a name="line.494"></a> -<span class="sourceLineNo">495</span> @Override<a name="line.495"></a> -<span class="sourceLineNo">496</span> public boolean isCompactionNeeded() {<a name="line.496"></a> -<span class="sourceLineNo">497</span> return result == Result.FLUSHED_COMPACTION_NEEDED;<a name="line.497"></a> -<span class="sourceLineNo">498</span> }<a name="line.498"></a> -<span class="sourceLineNo">499</span><a name="line.499"></a> -<span class="sourceLineNo">500</span> @Override<a name="line.500"></a> -<span class="sourceLineNo">501</span> public String toString() {<a name="line.501"></a> -<span class="sourceLineNo">502</span> return new StringBuilder()<a name="line.502"></a> -<span class="sourceLineNo">503</span> .append("flush result:").append(result).append(", ")<a name="line.503"></a> -<span class="sourceLineNo">504</span> .append("failureReason:").append(failureReason).append(",")<a name="line.504"></a> -<span class="sourceLineNo">505</span> .append("flush seq id").append(flushSequenceId).toString();<a name="line.505"></a> -<span class="sourceLineNo">506</span> }<a name="line.506"></a> -<span class="sourceLineNo">507</span><a name="line.507"></a> -<span class="sourceLineNo">508</span> @Override<a name="line.508"></a> -<span class="sourceLineNo">509</span> public Result getResult() {<a name="line.509"></a> -<span class="sourceLineNo">510</span> return result;<a name="line.510"></a> -<span class="sourceLineNo">511</span> }<a name="line.511"></a> -<span class="sourceLineNo">512</span> }<a name="line.512"></a> -<span class="sourceLineNo">513</span><a name="line.513"></a> -<span class="sourceLineNo">514</span> /** A result object from prepare flush cache stage */<a name="line.514"></a> -<span class="sourceLineNo">515</span> @VisibleForTesting<a name="line.515"></a> -<span class="sourceLineNo">516</span> static class PrepareFlushResult {<a name="line.516"></a> -<span class="sourceLineNo">517</span> final FlushResultImpl result; // indicating a failure result from prepare<a name="line.517"></a> -<span class="sourceLineNo">518</span> final TreeMap<byte[], StoreFlushContext> storeFlushCtxs;<a name="line.518"></a> -<span class="sourceLineNo">519</span> final TreeMap<byte[], List<Path>> committedFiles;<a name="line.519"></a> -<span class="sourceLineNo">520</span> final TreeMap<byte[], MemStoreSize> storeFlushableSize;<a name="line.520"></a> -<span class="sourceLineNo">521</span> final long startTime;<a name="line.521"></a> -<span class="sourceLineNo">522</span> final long flushOpSeqId;<a name="line.522"></a> -<span class="sourceLineNo">523</span> final long flushedSeqId;<a name="line.523"></a> -<span class="sourceLineNo">524</span> final MemStoreSize totalFlushableSize;<a name="line.524"></a> -<span class="sourceLineNo">525</span><a name="line.525"></a> -<span class="sourceLineNo">526</span> /** Constructs an early exit case */<a name="line.526"></a> -<span class="sourceLineNo">527</span> PrepareFlushResult(FlushResultImpl result, long flushSeqId) {<a name="line.527"></a> -<span class="sourceLineNo">528</span> this(result, null, null, null, Math.max(0, flushSeqId), 0, 0, new MemStoreSize());<a name="line.528"></a> -<span class="sourceLineNo">529</span> }<a name="line.529"></a> -<span class="sourceLineNo">530</span><a name="line.530"></a> -<span class="sourceLineNo">531</span> /** Constructs a successful prepare flush result */<a name="line.531"></a> -<span class="sourceLineNo">532</span> PrepareFlushResult(<a name="line.532"></a> -<span class="sourceLineNo">533</span> TreeMap<byte[], StoreFlushContext> storeFlushCtxs,<a name="line.533"></a> -<span class="sourceLineNo">534</span> TreeMap<byte[], List<Path>> committedFiles,<a name="line.534"></a> -<span class="sourceLineNo">535</span> TreeMap<byte[], MemStoreSize> storeFlushableSize, long startTime, long flushSeqId,<a name="line.535"></a> -<span class="sourceLineNo">536</span> long flushedSeqId, MemStoreSize totalFlushableSize) {<a name="line.536"></a> -<span class="sourceLineNo">537</span> this(null, storeFlushCtxs, committedFiles, storeFlushableSize, startTime,<a name="line.537"></a> -<span class="sourceLineNo">538</span> flushSeqId, flushedSeqId, totalFlushableSize);<a name="line.538"></a> -<span class="sourceLineNo">539</span> }<a name="line.539"></a> -<span class="sourceLineNo">540</span><a name="line.540"></a> -<span class="sourceLineNo">541</span> private PrepareFlushResult(<a name="line.541"></a> -<span class="sourceLineNo">542</span> FlushResultImpl result,<a name="line.542"></a> -<span class="sourceLineNo">543</span> TreeMap<byte[], StoreFlushContext> storeFlushCtxs,<a name="line.543"></a> -<span class="sourceLineNo">544</span> TreeMap<byte[], List<Path>> committedFiles,<a name="line.544"></a> -<span class="sourceLineNo">545</span> TreeMap<byte[], MemStoreSize> storeFlushableSize, long startTime, long flushSeqId,<a name="line.545"></a> -<span class="sourceLineNo">546</span> long flushedSeqId, MemStoreSize totalFlushableSize) {<a name="line.546"></a> -<span class="sourceLineNo">547</span> this.result = result;<a name="line.547"></a> -<span class="sourceLineNo">548</span> this.storeFlushCtxs = storeFlushCtxs;<a name="line.548"></a> -<span class="sourceLineNo">549</span> this.committedFiles = committedFiles;<a name="line.549"></a> -<span class="sourceLineNo">550</span> this.storeFlushableSize = storeFlushableSize;<a name="line.550"></a> -<span class="sourceLineNo">551</span> this.startTime = startTime;<a name="line.551"></a> -<span class="sourceLineNo">552</span> this.flushOpSeqId = flushSeqId;<a name="line.552"></a> -<span class="sourceLineNo">553</span> this.flushedSeqId = flushedSeqId;<a name="line.553"></a> -<span class="sourceLineNo">554</span> this.totalFlushableSize = totalFlushableSize;<a name="line.554"></a> +<span class="sourceLineNo">443</span> static final long HEAP_SIZE = ClassSize.align(<a name="line.443"></a> +<span class="sourceLineNo">444</span> ClassSize.OBJECT + 5 * Bytes.SIZEOF_BOOLEAN);<a name="line.444"></a> +<span class="sourceLineNo">445</span> }<a name="line.445"></a> +<span class="sourceLineNo">446</span><a name="line.446"></a> +<span class="sourceLineNo">447</span> /**<a name="line.447"></a> +<span class="sourceLineNo">448</span> * Objects from this class are created when flushing to describe all the different states that<a name="line.448"></a> +<span class="sourceLineNo">449</span> * that method ends up in. The Result enum describes those states. The sequence id should only<a name="line.449"></a> +<span class="sourceLineNo">450</span> * be specified if the flush was successful, and the failure message should only be specified<a name="line.450"></a> +<span class="sourceLineNo">451</span> * if it didn't flush.<a name="line.451"></a> +<span class="sourceLineNo">452</span> */<a name="line.452"></a> +<span class="sourceLineNo">453</span> public static class FlushResultImpl implements FlushResult {<a name="line.453"></a> +<span class="sourceLineNo">454</span> final Result result;<a name="line.454"></a> +<span class="sourceLineNo">455</span> final String failureReason;<a name="line.455"></a> +<span class="sourceLineNo">456</span> final long flushSequenceId;<a name="line.456"></a> +<span class="sourceLineNo">457</span> final boolean wroteFlushWalMarker;<a name="line.457"></a> +<span class="sourceLineNo">458</span><a name="line.458"></a> +<span class="sourceLineNo">459</span> /**<a name="line.459"></a> +<span class="sourceLineNo">460</span> * Convenience constructor to use when the flush is successful, the failure message is set to<a name="line.460"></a> +<span class="sourceLineNo">461</span> * null.<a name="line.461"></a> +<span class="sourceLineNo">462</span> * @param result Expecting FLUSHED_NO_COMPACTION_NEEDED or FLUSHED_COMPACTION_NEEDED.<a name="line.462"></a> +<span class="sourceLineNo">463</span> * @param flushSequenceId Generated sequence id that comes right after the edits in the<a name="line.463"></a> +<span class="sourceLineNo">464</span> * memstores.<a name="line.464"></a> +<span class="sourceLineNo">465</span> */<a name="line.465"></a> +<span class="sourceLineNo">466</span> FlushResultImpl(Result result, long flushSequenceId) {<a name="line.466"></a> +<span class="sourceLineNo">467</span> this(result, flushSequenceId, null, false);<a name="line.467"></a> +<span class="sourceLineNo">468</span> assert result == Result.FLUSHED_NO_COMPACTION_NEEDED || result == Result<a name="line.468"></a> +<span class="sourceLineNo">469</span> .FLUSHED_COMPACTION_NEEDED;<a name="line.469"></a> +<span class="sourceLineNo">470</span> }<a name="line.470"></a> +<span class="sourceLineNo">471</span><a name="line.471"></a> +<span class="sourceLineNo">472</span> /**<a name="line.472"></a> +<span class="sourceLineNo">473</span> * Convenience constructor to use when we cannot flush.<a name="line.473"></a> +<span class="sourceLineNo">474</span> * @param result Expecting CANNOT_FLUSH_MEMSTORE_EMPTY or CANNOT_FLUSH.<a name="line.474"></a> +<span class="sourceLineNo">475</span> * @param failureReason Reason why we couldn't flush.<a name="line.475"></a> +<span class="sourceLineNo">476</span> */<a name="line.476"></a> +<span class="sourceLineNo">477</span> FlushResultImpl(Result result, String failureReason, boolean wroteFlushMarker) {<a name="line.477"></a> +<span class="sourceLineNo">478</span> this(result, -1, failureReason, wroteFlushMarker);<a name="line.478"></a> +<span class="sourceLineNo">479</span> assert result == Result.CANNOT_FLUSH_MEMSTORE_EMPTY || result == Result.CANNOT_FLUSH;<a name="line.479"></a> +<span class="sourceLineNo">480</span> }<a name="line.480"></a> +<span class="sourceLineNo">481</span><a name="line.481"></a> +<span class="sourceLineNo">482</span> /**<a name="line.482"></a> +<span class="sourceLineNo">483</span> * Constructor with all the parameters.<a name="line.483"></a> +<span class="sourceLineNo">484</span> * @param result Any of the Result.<a name="line.484"></a> +<span class="sourceLineNo">485</span> * @param flushSequenceId Generated sequence id if the memstores were flushed else -1.<a name="line.485"></a> +<span class="sourceLineNo">486</span> * @param failureReason Reason why we couldn't flush, or null.<a name="line.486"></a> +<span class="sourceLineNo">487</span> */<a name="line.487"></a> +<span class="sourceLineNo">488</span> FlushResultImpl(Result result, long flushSequenceId, String failureReason,<a name="line.488"></a> +<span class="sourceLineNo">489</span> boolean wroteFlushMarker) {<a name="line.489"></a> +<span class="sourceLineNo">490</span> this.result = result;<a name="line.490"></a> +<span class="sourceLineNo">491</span> this.flushSequenceId = flushSequenceId;<a name="line.491"></a> +<span class="sourceLineNo">492</
<TRUNCATED>
