http://git-wip-us.apache.org/repos/asf/hbase-site/blob/1241ee85/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/StoreFileReader.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/StoreFileReader.html b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/StoreFileReader.html index 17e050f..a226489 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/StoreFileReader.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/StoreFileReader.html @@ -84,562 +84,563 @@ <span class="sourceLineNo">076</span><a name="line.76"></a> <span class="sourceLineNo">077</span> // indicate that whether this StoreFileReader is shared, i.e., used for pread. If not, we will<a name="line.77"></a> <span class="sourceLineNo">078</span> // close the internal reader when readCompleted is called.<a name="line.78"></a> -<span class="sourceLineNo">079</span> private final boolean shared;<a name="line.79"></a> -<span class="sourceLineNo">080</span><a name="line.80"></a> -<span class="sourceLineNo">081</span> private StoreFileReader(HFile.Reader reader, AtomicInteger refCount, boolean shared) {<a name="line.81"></a> -<span class="sourceLineNo">082</span> this.reader = reader;<a name="line.82"></a> -<span class="sourceLineNo">083</span> bloomFilterType = BloomType.NONE;<a name="line.83"></a> -<span class="sourceLineNo">084</span> this.refCount = refCount;<a name="line.84"></a> -<span class="sourceLineNo">085</span> this.shared = shared;<a name="line.85"></a> -<span class="sourceLineNo">086</span> }<a name="line.86"></a> -<span class="sourceLineNo">087</span><a name="line.87"></a> -<span class="sourceLineNo">088</span> public StoreFileReader(FileSystem fs, Path path, CacheConfig cacheConf,<a name="line.88"></a> -<span class="sourceLineNo">089</span> boolean primaryReplicaStoreFile, AtomicInteger refCount, boolean shared, Configuration conf)<a name="line.89"></a> -<span class="sourceLineNo">090</span> throws IOException {<a name="line.90"></a> -<span class="sourceLineNo">091</span> this(HFile.createReader(fs, path, cacheConf, primaryReplicaStoreFile, conf), refCount, shared);<a name="line.91"></a> -<span class="sourceLineNo">092</span> }<a name="line.92"></a> -<span class="sourceLineNo">093</span><a name="line.93"></a> -<span class="sourceLineNo">094</span> public StoreFileReader(FileSystem fs, Path path, FSDataInputStreamWrapper in, long size,<a name="line.94"></a> -<span class="sourceLineNo">095</span> CacheConfig cacheConf, boolean primaryReplicaStoreFile, AtomicInteger refCount,<a name="line.95"></a> -<span class="sourceLineNo">096</span> boolean shared, Configuration conf) throws IOException {<a name="line.96"></a> -<span class="sourceLineNo">097</span> this(HFile.createReader(fs, path, in, size, cacheConf, primaryReplicaStoreFile, conf), refCount,<a name="line.97"></a> -<span class="sourceLineNo">098</span> shared);<a name="line.98"></a> -<span class="sourceLineNo">099</span> }<a name="line.99"></a> -<span class="sourceLineNo">100</span><a name="line.100"></a> -<span class="sourceLineNo">101</span> void copyFields(StoreFileReader reader) {<a name="line.101"></a> -<span class="sourceLineNo">102</span> this.generalBloomFilter = reader.generalBloomFilter;<a name="line.102"></a> -<span class="sourceLineNo">103</span> this.deleteFamilyBloomFilter = reader.deleteFamilyBloomFilter;<a name="line.103"></a> -<span class="sourceLineNo">104</span> this.bloomFilterType = reader.bloomFilterType;<a name="line.104"></a> -<span class="sourceLineNo">105</span> this.sequenceID = reader.sequenceID;<a name="line.105"></a> -<span class="sourceLineNo">106</span> this.timeRange = reader.timeRange;<a name="line.106"></a> -<span class="sourceLineNo">107</span> this.lastBloomKey = reader.lastBloomKey;<a name="line.107"></a> -<span class="sourceLineNo">108</span> this.bulkLoadResult = reader.bulkLoadResult;<a name="line.108"></a> -<span class="sourceLineNo">109</span> this.lastBloomKeyOnlyKV = reader.lastBloomKeyOnlyKV;<a name="line.109"></a> -<span class="sourceLineNo">110</span> this.skipResetSeqId = reader.skipResetSeqId;<a name="line.110"></a> -<span class="sourceLineNo">111</span> }<a name="line.111"></a> -<span class="sourceLineNo">112</span><a name="line.112"></a> -<span class="sourceLineNo">113</span> public boolean isPrimaryReplicaReader() {<a name="line.113"></a> -<span class="sourceLineNo">114</span> return reader.isPrimaryReplicaReader();<a name="line.114"></a> -<span class="sourceLineNo">115</span> }<a name="line.115"></a> -<span class="sourceLineNo">116</span><a name="line.116"></a> -<span class="sourceLineNo">117</span> /**<a name="line.117"></a> -<span class="sourceLineNo">118</span> * ONLY USE DEFAULT CONSTRUCTOR FOR UNIT TESTS<a name="line.118"></a> -<span class="sourceLineNo">119</span> */<a name="line.119"></a> -<span class="sourceLineNo">120</span> @VisibleForTesting<a name="line.120"></a> -<span class="sourceLineNo">121</span> StoreFileReader() {<a name="line.121"></a> -<span class="sourceLineNo">122</span> this.refCount = new AtomicInteger(0);<a name="line.122"></a> -<span class="sourceLineNo">123</span> this.reader = null;<a name="line.123"></a> -<span class="sourceLineNo">124</span> this.shared = false;<a name="line.124"></a> -<span class="sourceLineNo">125</span> }<a name="line.125"></a> -<span class="sourceLineNo">126</span><a name="line.126"></a> -<span class="sourceLineNo">127</span> public CellComparator getComparator() {<a name="line.127"></a> -<span class="sourceLineNo">128</span> return reader.getComparator();<a name="line.128"></a> -<span class="sourceLineNo">129</span> }<a name="line.129"></a> -<span class="sourceLineNo">130</span><a name="line.130"></a> -<span class="sourceLineNo">131</span> /**<a name="line.131"></a> -<span class="sourceLineNo">132</span> * Get a scanner to scan over this StoreFile.<a name="line.132"></a> -<span class="sourceLineNo">133</span> * @param cacheBlocks should this scanner cache blocks?<a name="line.133"></a> -<span class="sourceLineNo">134</span> * @param pread use pread (for highly concurrent small readers)<a name="line.134"></a> -<span class="sourceLineNo">135</span> * @param isCompaction is scanner being used for compaction?<a name="line.135"></a> -<span class="sourceLineNo">136</span> * @param scannerOrder Order of this scanner relative to other scanners. See<a name="line.136"></a> -<span class="sourceLineNo">137</span> * {@link KeyValueScanner#getScannerOrder()}.<a name="line.137"></a> -<span class="sourceLineNo">138</span> * @param canOptimizeForNonNullColumn {@code true} if we can make sure there is no null column,<a name="line.138"></a> -<span class="sourceLineNo">139</span> * otherwise {@code false}. This is a hint for optimization.<a name="line.139"></a> -<span class="sourceLineNo">140</span> * @return a scanner<a name="line.140"></a> -<span class="sourceLineNo">141</span> */<a name="line.141"></a> -<span class="sourceLineNo">142</span> public StoreFileScanner getStoreFileScanner(boolean cacheBlocks, boolean pread,<a name="line.142"></a> -<span class="sourceLineNo">143</span> boolean isCompaction, long readPt, long scannerOrder, boolean canOptimizeForNonNullColumn) {<a name="line.143"></a> -<span class="sourceLineNo">144</span> // Increment the ref count<a name="line.144"></a> -<span class="sourceLineNo">145</span> refCount.incrementAndGet();<a name="line.145"></a> -<span class="sourceLineNo">146</span> return new StoreFileScanner(this, getScanner(cacheBlocks, pread, isCompaction),<a name="line.146"></a> -<span class="sourceLineNo">147</span> !isCompaction, reader.hasMVCCInfo(), readPt, scannerOrder, canOptimizeForNonNullColumn);<a name="line.147"></a> -<span class="sourceLineNo">148</span> }<a name="line.148"></a> -<span class="sourceLineNo">149</span><a name="line.149"></a> -<span class="sourceLineNo">150</span> /**<a name="line.150"></a> -<span class="sourceLineNo">151</span> * Indicate that the scanner has finished reading with this reader. 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Instead<a name="line.166"></a> -<span class="sourceLineNo">167</span> * use getStoreFileScanner() which uses the StoreFileScanner class/interface<a name="line.167"></a> -<span class="sourceLineNo">168</span> * which is the preferred way to scan a store with higher level concepts.<a name="line.168"></a> -<span class="sourceLineNo">169</span> *<a name="line.169"></a> -<span class="sourceLineNo">170</span> * @param cacheBlocks should we cache the blocks?<a name="line.170"></a> -<span class="sourceLineNo">171</span> * @param pread use pread (for concurrent small readers)<a name="line.171"></a> -<span class="sourceLineNo">172</span> * @return the underlying HFileScanner<a name="line.172"></a> -<span class="sourceLineNo">173</span> */<a name="line.173"></a> -<span class="sourceLineNo">174</span> @Deprecated<a name="line.174"></a> -<span class="sourceLineNo">175</span> public HFileScanner getScanner(boolean cacheBlocks, boolean pread) {<a name="line.175"></a> -<span class="sourceLineNo">176</span> return getScanner(cacheBlocks, pread, false);<a name="line.176"></a> -<span class="sourceLineNo">177</span> }<a name="line.177"></a> -<span class="sourceLineNo">178</span><a name="line.178"></a> -<span class="sourceLineNo">179</span> /**<a name="line.179"></a> -<span class="sourceLineNo">180</span> * @deprecated Do not write further code which depends on this call. Instead<a name="line.180"></a> -<span class="sourceLineNo">181</span> * use getStoreFileScanner() which uses the StoreFileScanner class/interface<a name="line.181"></a> -<span class="sourceLineNo">182</span> * which is the preferred way to scan a store with higher level concepts.<a name="line.182"></a> -<span class="sourceLineNo">183</span> *<a name="line.183"></a> -<span class="sourceLineNo">184</span> * @param cacheBlocks<a name="line.184"></a> -<span class="sourceLineNo">185</span> * should we cache the blocks?<a name="line.185"></a> -<span class="sourceLineNo">186</span> * @param pread<a name="line.186"></a> -<span class="sourceLineNo">187</span> * use pread (for concurrent small readers)<a name="line.187"></a> -<span class="sourceLineNo">188</span> * @param isCompaction<a name="line.188"></a> -<span class="sourceLineNo">189</span> * is scanner being used for compaction?<a name="line.189"></a> -<span class="sourceLineNo">190</span> * @return the underlying HFileScanner<a name="line.190"></a> -<span class="sourceLineNo">191</span> */<a name="line.191"></a> -<span class="sourceLineNo">192</span> @Deprecated<a name="line.192"></a> -<span class="sourceLineNo">193</span> public HFileScanner getScanner(boolean cacheBlocks, boolean pread,<a name="line.193"></a> -<span class="sourceLineNo">194</span> boolean isCompaction) {<a name="line.194"></a> -<span class="sourceLineNo">195</span> return reader.getScanner(cacheBlocks, pread, isCompaction);<a name="line.195"></a> -<span class="sourceLineNo">196</span> }<a name="line.196"></a> -<span class="sourceLineNo">197</span><a name="line.197"></a> -<span class="sourceLineNo">198</span> public void close(boolean evictOnClose) throws IOException {<a name="line.198"></a> -<span class="sourceLineNo">199</span> reader.close(evictOnClose);<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> /**<a name="line.202"></a> -<span class="sourceLineNo">203</span> * Check if this storeFile may contain keys within the TimeRange that<a name="line.203"></a> -<span class="sourceLineNo">204</span> * have not expired (i.e. not older than oldestUnexpiredTS).<a name="line.204"></a> -<span class="sourceLineNo">205</span> * @param timeRange the timeRange to restrict<a name="line.205"></a> -<span class="sourceLineNo">206</span> * @param oldestUnexpiredTS the oldest timestamp that is not expired, as<a name="line.206"></a> -<span class="sourceLineNo">207</span> * determined by the column family's TTL<a name="line.207"></a> -<span class="sourceLineNo">208</span> * @return false if queried keys definitely don't exist in this StoreFile<a name="line.208"></a> -<span class="sourceLineNo">209</span> */<a name="line.209"></a> -<span class="sourceLineNo">210</span> boolean passesTimerangeFilter(TimeRange tr, long oldestUnexpiredTS) {<a name="line.210"></a> -<span class="sourceLineNo">211</span> return this.timeRange == null? true:<a name="line.211"></a> -<span class="sourceLineNo">212</span> this.timeRange.includesTimeRange(tr) && this.timeRange.getMax() >= oldestUnexpiredTS;<a name="line.212"></a> -<span class="sourceLineNo">213</span> }<a name="line.213"></a> -<span class="sourceLineNo">214</span><a name="line.214"></a> -<span class="sourceLineNo">215</span> /**<a name="line.215"></a> -<span class="sourceLineNo">216</span> * Checks whether the given scan passes the Bloom filter (if present). Only<a name="line.216"></a> -<span class="sourceLineNo">217</span> * checks Bloom filters for single-row or single-row-column scans. Bloom<a name="line.217"></a> -<span class="sourceLineNo">218</span> * filter checking for multi-gets is implemented as part of the store<a name="line.218"></a> -<span class="sourceLineNo">219</span> * scanner system (see {@link StoreFileScanner#seek(Cell)} and uses<a name="line.219"></a> -<span class="sourceLineNo">220</span> * the lower-level API {@link #passesGeneralRowBloomFilter(byte[], int, int)}<a name="line.220"></a> -<span class="sourceLineNo">221</span> * and {@link #passesGeneralRowColBloomFilter(Cell)}.<a name="line.221"></a> -<span class="sourceLineNo">222</span> *<a name="line.222"></a> -<span class="sourceLineNo">223</span> * @param scan the scan specification. Used to determine the row, and to<a name="line.223"></a> -<span class="sourceLineNo">224</span> * check whether this is a single-row ("get") scan.<a name="line.224"></a> -<span class="sourceLineNo">225</span> * @param columns the set of columns. Only used for row-column Bloom<a name="line.225"></a> -<span class="sourceLineNo">226</span> * filters.<a name="line.226"></a> -<span class="sourceLineNo">227</span> * @return true if the scan with the given column set passes the Bloom<a name="line.227"></a> -<span class="sourceLineNo">228</span> * filter, or if the Bloom filter is not applicable for the scan.<a name="line.228"></a> -<span class="sourceLineNo">229</span> * False if the Bloom filter is applicable and the scan fails it.<a name="line.229"></a> -<span class="sourceLineNo">230</span> */<a name="line.230"></a> -<span class="sourceLineNo">231</span> boolean passesBloomFilter(Scan scan, final SortedSet<byte[]> columns) {<a name="line.231"></a> -<span class="sourceLineNo">232</span> // Multi-column non-get scans will use Bloom filters through the<a name="line.232"></a> -<span class="sourceLineNo">233</span> // lower-level API function that this function calls.<a name="line.233"></a> -<span class="sourceLineNo">234</span> if 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class="sourceLineNo">246</span> // create the required fake key<a name="line.246"></a> -<span class="sourceLineNo">247</span> Cell kvKey = CellUtil.createFirstOnRow(row, HConstants.EMPTY_BYTE_ARRAY, column);<a name="line.247"></a> -<span class="sourceLineNo">248</span> return passesGeneralRowColBloomFilter(kvKey);<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> // For multi-column queries the Bloom filter is checked from the<a name="line.251"></a> -<span class="sourceLineNo">252</span> // seekExact operation.<a name="line.252"></a> -<span class="sourceLineNo">253</span> return true;<a name="line.253"></a> -<span class="sourceLineNo">254</span><a name="line.254"></a> -<span class="sourceLineNo">255</span> default:<a name="line.255"></a> -<span class="sourceLineNo">256</span> return true;<a name="line.256"></a> -<span class="sourceLineNo">257</span> }<a name="line.257"></a> -<span class="sourceLineNo">258</span> }<a name="line.258"></a> -<span class="sourceLineNo">259</span><a name="line.259"></a> -<span class="sourceLineNo">260</span> public boolean passesDeleteFamilyBloomFilter(byte[] row, int rowOffset,<a name="line.260"></a> -<span class="sourceLineNo">261</span> int rowLen) {<a name="line.261"></a> -<span class="sourceLineNo">262</span> // Cache Bloom filter as a local variable in case it is set to null by<a name="line.262"></a> -<span class="sourceLineNo">263</span> // another thread on an IO error.<a name="line.263"></a> -<span class="sourceLineNo">264</span> BloomFilter bloomFilter = this.deleteFamilyBloomFilter;<a name="line.264"></a> -<span class="sourceLineNo">265</span><a name="line.265"></a> -<span class="sourceLineNo">266</span> // Empty file or there is no delete family at all<a name="line.266"></a> -<span class="sourceLineNo">267</span> if (reader.getTrailer().getEntryCount() == 0 || deleteFamilyCnt == 0) {<a 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BlockType.GENERAL_BLOOM_META) {<a name="line.461"></a> -<span class="sourceLineNo">462</span> if (this.generalBloomFilter != null)<a name="line.462"></a> -<span class="sourceLineNo">463</span> return; // Bloom has been loaded<a name="line.463"></a> -<span class="sourceLineNo">464</span><a name="line.464"></a> -<span class="sourceLineNo">465</span> DataInput bloomMeta = reader.getGeneralBloomFilterMetadata();<a name="line.465"></a> -<span class="sourceLineNo">466</span> if (bloomMeta != null) {<a name="line.466"></a> -<span class="sourceLineNo">467</span> // sanity check for NONE Bloom filter<a name="line.467"></a> -<span class="sourceLineNo">468</span> if (bloomFilterType == BloomType.NONE) {<a name="line.468"></a> -<span class="sourceLineNo">469</span> throw new IOException(<a name="line.469"></a> -<span class="sourceLineNo">470</span> "valid bloom filter type not found in FileInfo");<a name="line.470"></a> -<span class="sourceLineNo">471</span> } else {<a name="line.471"></a> -<span 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class="sourceLineNo">503</span> + " -- proceeding without", e);<a name="line.503"></a> -<span class="sourceLineNo">504</span> setBloomFilterFaulty(blockType);<a name="line.504"></a> -<span class="sourceLineNo">505</span> }<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> private void setBloomFilterFaulty(BlockType blockType) {<a name="line.508"></a> -<span class="sourceLineNo">509</span> if (blockType == BlockType.GENERAL_BLOOM_META) {<a name="line.509"></a> -<span class="sourceLineNo">510</span> setGeneralBloomFilterFaulty();<a name="line.510"></a> -<span class="sourceLineNo">511</span> } else if (blockType == BlockType.DELETE_FAMILY_BLOOM_META) {<a name="line.511"></a> -<span class="sourceLineNo">512</span> setDeleteFamilyBloomFilterFaulty();<a name="line.512"></a> -<span class="sourceLineNo">513</span> }<a name="line.513"></a> -<span 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class="sourceLineNo">529</span> generalBloomFilter = null;<a name="line.529"></a> -<span class="sourceLineNo">530</span> }<a name="line.530"></a> -<span class="sourceLineNo">531</span><a name="line.531"></a> -<span class="sourceLineNo">532</span> public void setDeleteFamilyBloomFilterFaulty() {<a name="line.532"></a> -<span class="sourceLineNo">533</span> this.deleteFamilyBloomFilter = null;<a name="line.533"></a> -<span class="sourceLineNo">534</span> }<a name="line.534"></a> -<span class="sourceLineNo">535</span><a name="line.535"></a> -<span class="sourceLineNo">536</span> public Cell getLastKey() {<a name="line.536"></a> -<span class="sourceLineNo">537</span> return reader.getLastKey();<a name="line.537"></a> -<span class="sourceLineNo">538</span> }<a name="line.538"></a> -<span class="sourceLineNo">539</span><a name="line.539"></a> -<span class="sourceLineNo">540</span> public byte[] getLastRowKey() {<a name="line.540"></a> -<span class="sourceLineNo">541</span> return 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name="line.553"></a> -<span class="sourceLineNo">554</span> }<a name="line.554"></a> -<span class="sourceLineNo">555</span><a name="line.555"></a> -<span class="sourceLineNo">556</span> public long getEntries() {<a name="line.556"></a> -<span class="sourceLineNo">557</span> return reader.getEntries();<a name="line.557"></a> -<span class="sourceLineNo">558</span> }<a name="line.558"></a> -<span class="sourceLineNo">559</span><a name="line.559"></a> -<span class="sourceLineNo">560</span> public long getDeleteFamilyCnt() {<a name="line.560"></a> -<span class="sourceLineNo">561</span> return deleteFamilyCnt;<a name="line.561"></a> -<span class="sourceLineNo">562</span> }<a name="line.562"></a> -<span class="sourceLineNo">563</span><a name="line.563"></a> -<span class="sourceLineNo">564</span> public Cell getFirstKey() {<a name="line.564"></a> -<span class="sourceLineNo">565</span> return reader.getFirstKey();<a name="line.565"></a> -<span class="sourceLineNo">566</span> }<a 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generalBloomFilter.getByteSize();<a name="line.603"></a> -<span class="sourceLineNo">604</span> }<a name="line.604"></a> -<span class="sourceLineNo">605</span><a name="line.605"></a> -<span class="sourceLineNo">606</span> public int getHFileVersion() {<a name="line.606"></a> -<span class="sourceLineNo">607</span> return reader.getTrailer().getMajorVersion();<a name="line.607"></a> -<span class="sourceLineNo">608</span> }<a name="line.608"></a> -<span class="sourceLineNo">609</span><a name="line.609"></a> -<span class="sourceLineNo">610</span> public int getHFileMinorVersion() {<a name="line.610"></a> -<span class="sourceLineNo">611</span> return reader.getTrailer().getMinorVersion();<a name="line.611"></a> -<span class="sourceLineNo">612</span> }<a name="line.612"></a> -<span class="sourceLineNo">613</span><a name="line.613"></a> -<span class="sourceLineNo">614</span> public HFile.Reader getHFileReader() {<a name="line.614"></a> -<span class="sourceLineNo">615</span> return reader;<a name="line.615"></a> -<span class="sourceLineNo">616</span> }<a name="line.616"></a> -<span class="sourceLineNo">617</span><a name="line.617"></a> -<span class="sourceLineNo">618</span> void disableBloomFilterForTesting() {<a name="line.618"></a> -<span class="sourceLineNo">619</span> generalBloomFilter = null;<a name="line.619"></a> -<span class="sourceLineNo">620</span> this.deleteFamilyBloomFilter = null;<a name="line.620"></a> -<span class="sourceLineNo">621</span> }<a name="line.621"></a> -<span class="sourceLineNo">622</span><a name="line.622"></a> -<span class="sourceLineNo">623</span> public long getMaxTimestamp() {<a name="line.623"></a> -<span class="sourceLineNo">624</span> return timeRange == null ? TimeRange.INITIAL_MAX_TIMESTAMP: timeRange.getMax();<a name="line.624"></a> -<span class="sourceLineNo">625</span> }<a name="line.625"></a> -<span class="sourceLineNo">626</span><a name="line.626"></a> -<span class="sourceLineNo">627</span> boolean isSkipResetSeqId() {<a name="line.627"></a> -<span class="sourceLineNo">628</span> return skipResetSeqId;<a name="line.628"></a> -<span class="sourceLineNo">629</span> }<a name="line.629"></a> -<span class="sourceLineNo">630</span><a name="line.630"></a> -<span class="sourceLineNo">631</span> void setSkipResetSeqId(boolean skipResetSeqId) {<a name="line.631"></a> -<span class="sourceLineNo">632</span> this.skipResetSeqId = skipResetSeqId;<a name="line.632"></a> -<span class="sourceLineNo">633</span> }<a name="line.633"></a> -<span class="sourceLineNo">634</span>}<a name="line.634"></a> +<span class="sourceLineNo">079</span> @VisibleForTesting<a name="line.79"></a> +<span class="sourceLineNo">080</span> final boolean shared;<a name="line.80"></a> +<span class="sourceLineNo">081</span><a name="line.81"></a> +<span class="sourceLineNo">082</span> private StoreFileReader(HFile.Reader reader, AtomicInteger refCount, boolean shared) {<a name="line.82"></a> +<span class="sourceLineNo">083</span> this.reader = reader;<a name="line.83"></a> +<span class="sourceLineNo">084</span> bloomFilterType = BloomType.NONE;<a name="line.84"></a> +<span class="sourceLineNo">085</span> this.refCount = refCount;<a name="line.85"></a> +<span class="sourceLineNo">086</span> this.shared = shared;<a name="line.86"></a> +<span class="sourceLineNo">087</span> }<a name="line.87"></a> +<span class="sourceLineNo">088</span><a name="line.88"></a> +<span class="sourceLineNo">089</span> public StoreFileReader(FileSystem fs, Path path, CacheConfig cacheConf,<a name="line.89"></a> +<span class="sourceLineNo">090</span> boolean primaryReplicaStoreFile, AtomicInteger refCount, boolean shared, Configuration conf)<a name="line.90"></a> +<span class="sourceLineNo">091</span> throws IOException {<a name="line.91"></a> +<span class="sourceLineNo">092</span> this(HFile.createReader(fs, path, cacheConf, primaryReplicaStoreFile, conf), refCount, shared);<a name="line.92"></a> +<span class="sourceLineNo">093</span> }<a name="line.93"></a> +<span class="sourceLineNo">094</span><a name="line.94"></a> +<span class="sourceLineNo">095</span> public StoreFileReader(FileSystem fs, Path path, FSDataInputStreamWrapper in, long size,<a name="line.95"></a> +<span class="sourceLineNo">096</span> CacheConfig cacheConf, boolean primaryReplicaStoreFile, AtomicInteger refCount,<a name="line.96"></a> +<span class="sourceLineNo">097</span> boolean shared, Configuration conf) throws IOException {<a name="line.97"></a> +<span class="sourceLineNo">098</span> this(HFile.createReader(fs, path, in, size, cacheConf, primaryReplicaStoreFile, conf), refCount,<a name="line.98"></a> +<span class="sourceLineNo">099</span> shared);<a name="line.99"></a> +<span class="sourceLineNo">100</span> }<a name="line.100"></a> +<span class="sourceLineNo">101</span><a name="line.101"></a> +<span class="sourceLineNo">102</span> void copyFields(StoreFileReader reader) {<a name="line.102"></a> +<span class="sourceLineNo">103</span> this.generalBloomFilter = reader.generalBloomFilter;<a name="line.103"></a> +<span class="sourceLineNo">104</span> this.deleteFamilyBloomFilter = reader.deleteFamilyBloomFilter;<a name="line.104"></a> +<span class="sourceLineNo">105</span> this.bloomFilterType = reader.bloomFilterType;<a name="line.105"></a> +<span class="sourceLineNo">106</span> this.sequenceID = reader.sequenceID;<a name="line.106"></a> +<span class="sourceLineNo">107</span> this.timeRange = reader.timeRange;<a name="line.107"></a> +<span class="sourceLineNo">108</span> this.lastBloomKey = reader.lastBloomKey;<a name="line.108"></a> +<span class="sourceLineNo">109</span> this.bulkLoadResult = reader.bulkLoadResult;<a name="line.109"></a> +<span class="sourceLineNo">110</span> this.lastBloomKeyOnlyKV = reader.lastBloomKeyOnlyKV;<a name="line.110"></a> +<span class="sourceLineNo">111</span> this.skipResetSeqId = reader.skipResetSeqId;<a name="line.111"></a> +<span class="sourceLineNo">112</span> }<a name="line.112"></a> +<span class="sourceLineNo">113</span><a name="line.113"></a> +<span class="sourceLineNo">114</span> public boolean isPrimaryReplicaReader() {<a name="line.114"></a> +<span class="sourceLineNo">115</span> return reader.isPrimaryReplicaReader();<a name="line.115"></a> +<span class="sourceLineNo">116</span> }<a name="line.116"></a> +<span class="sourceLineNo">117</span><a name="line.117"></a> +<span class="sourceLineNo">118</span> /**<a name="line.118"></a> +<span class="sourceLineNo">119</span> * ONLY USE DEFAULT CONSTRUCTOR FOR UNIT TESTS<a name="line.119"></a> +<span class="sourceLineNo">120</span> */<a name="line.120"></a> +<span class="sourceLineNo">121</span> @VisibleForTesting<a name="line.121"></a> +<span class="sourceLineNo">122</span> StoreFileReader() {<a name="line.122"></a> +<span class="sourceLineNo">123</span> this.refCount = new AtomicInteger(0);<a name="line.123"></a> +<span class="sourceLineNo">124</span> this.reader = null;<a name="line.124"></a> +<span class="sourceLineNo">125</span> this.shared = false;<a name="line.125"></a> +<span class="sourceLineNo">126</span> }<a name="line.126"></a> +<span class="sourceLineNo">127</span><a name="line.127"></a> +<span class="sourceLineNo">128</span> public CellComparator getComparator() {<a name="line.128"></a> +<span class="sourceLineNo">129</span> return reader.getComparator();<a name="line.129"></a> +<span class="sourceLineNo">130</span> }<a name="line.130"></a> +<span class="sourceLineNo">131</span><a name="line.131"></a> +<span class="sourceLineNo">132</span> /**<a name="line.132"></a> +<span class="sourceLineNo">133</span> * Get a scanner to scan over this StoreFile.<a name="line.133"></a> +<span class="sourceLineNo">134</span> * @param cacheBlocks should this scanner cache blocks?<a name="line.134"></a> +<span class="sourceLineNo">135</span> * @param pread use pread (for highly concurrent small readers)<a name="line.135"></a> +<span class="sourceLineNo">136</span> * @param isCompaction is scanner being used for compaction?<a name="line.136"></a> +<span class="sourceLineNo">137</span> * @param scannerOrder Order of this scanner relative to other scanners. See<a name="line.137"></a> +<span class="sourceLineNo">138</span> * {@link KeyValueScanner#getScannerOrder()}.<a name="line.138"></a> +<span class="sourceLineNo">139</span> * @param canOptimizeForNonNullColumn {@code true} if we can make sure there is no null column,<a name="line.139"></a> +<span class="sourceLineNo">140</span> * otherwise {@code false}. This is a hint for optimization.<a name="line.140"></a> +<span class="sourceLineNo">141</span> * @return a scanner<a name="line.141"></a> +<span class="sourceLineNo">142</span> */<a name="line.142"></a> +<span class="sourceLineNo">143</span> public StoreFileScanner getStoreFileScanner(boolean cacheBlocks, boolean pread,<a name="line.143"></a> +<span class="sourceLineNo">144</span> boolean isCompaction, long readPt, long scannerOrder, boolean canOptimizeForNonNullColumn) {<a name="line.144"></a> +<span class="sourceLineNo">145</span> // Increment the ref count<a name="line.145"></a> +<span class="sourceLineNo">146</span> refCount.incrementAndGet();<a name="line.146"></a> +<span class="sourceLineNo">147</span> return new StoreFileScanner(this, getScanner(cacheBlocks, pread, isCompaction),<a name="line.147"></a> +<span class="sourceLineNo">148</span> !isCompaction, reader.hasMVCCInfo(), readPt, scannerOrder, canOptimizeForNonNullColumn);<a name="line.148"></a> +<span class="sourceLineNo">149</span> }<a name="line.149"></a> +<span class="sourceLineNo">150</span><a name="line.150"></a> +<span class="sourceLineNo">151</span> /**<a name="line.151"></a> +<span class="sourceLineNo">152</span> * Indicate that the scanner has finished reading with this reader. We need to decrement the ref<a name="line.152"></a> +<span class="sourceLineNo">153</span> * count, and also, if this is not the common pread reader, we should close it.<a name="line.153"></a> +<span class="sourceLineNo">154</span> */<a name="line.154"></a> +<span class="sourceLineNo">155</span> void readCompleted() {<a name="line.155"></a> +<span class="sourceLineNo">156</span> refCount.decrementAndGet();<a name="line.156"></a> +<span class="sourceLineNo">157</span> if (!shared) {<a name="line.157"></a> +<span class="sourceLineNo">158</span> try {<a name="line.158"></a> +<span class="sourceLineNo">159</span> reader.close(false);<a name="line.159"></a> +<span class="sourceLineNo">160</span> } catch (IOException e) {<a name="line.160"></a> +<span class="sourceLineNo">161</span> LOG.warn("failed to close stream reader", e);<a name="line.161"></a> +<span class="sourceLineNo">162</span> }<a name="line.162"></a> +<span class="sourceLineNo">163</span> }<a name="line.163"></a> +<span class="sourceLineNo">164</span> }<a name="line.164"></a> +<span class="sourceLineNo">165</span><a name="line.165"></a> +<span class="sourceLineNo">166</span> /**<a name="line.166"></a> +<span class="sourceLineNo">167</span> * @deprecated Do not write further code which depends on this call. Instead<a name="line.167"></a> +<span class="sourceLineNo">168</span> * use getStoreFileScanner() which uses the StoreFileScanner class/interface<a name="line.168"></a> +<span class="sourceLineNo">169</span> * which is the preferred way to scan a store with higher level concepts.<a name="line.169"></a> +<span class="sourceLineNo">170</span> *<a name="line.170"></a> +<span class="sourceLineNo">171</span> * @param cacheBlocks should we cache the blocks?<a name="line.171"></a> +<span class="sourceLineNo">172</span> * @param pread use pread (for concurrent small readers)<a name="line.172"></a> +<span class="sourceLineNo">173</span> * @return the underlying HFileScanner<a name="line.173"></a> +<span class="sourceLineNo">174</span> */<a name="line.174"></a> +<span class="sourceLineNo">175</span> @Deprecated<a name="line.175"></a> +<span class="sourceLineNo">176</span> public HFileScanner getScanner(boolean cacheBlocks, boolean pread) {<a name="line.176"></a> +<span class="sourceLineNo">177</span> return getScanner(cacheBlocks, pread, false);<a name="line.177"></a> +<span class="sourceLineNo">178</span> }<a name="line.178"></a> +<span class="sourceLineNo">179</span><a name="line.179"></a> +<span class="sourceLineNo">180</span> /**<a name="line.180"></a> +<span class="sourceLineNo">181</span> * @deprecated Do not write further code which depends on this call. Instead<a name="line.181"></a> +<span class="sourceLineNo">182</span> * use getStoreFileScanner() which uses the StoreFileScanner class/interface<a name="line.182"></a> +<span class="sourceLineNo">183</span> * which is the preferred way to scan a store with higher level concepts.<a name="line.183"></a> +<span class="sourceLineNo">184</span> *<a name="line.184"></a> +<span class="sourceLineNo">185</span> * @param cacheBlocks<a name="line.185"></a> +<span class="sourceLineNo">186</span> * should we cache the blocks?<a name="line.186"></a> +<span class="sourceLineNo">187</span> * @param pread<a name="line.187"></a> +<span class="sourceLineNo">188</span> * use pread (for concurrent small readers)<a name="line.188"></a> +<span class="sourceLineNo">189</span> * @param isCompaction<a name="line.189"></a> +<span class="sourceLineNo">190</span> * is scanner being used for compaction?<a name="line.190"></a> +<span class="sourceLineNo">191</span> * @return the underlying HFileScanner<a name="line.191"></a> +<span class="sourceLineNo">192</span> */<a name="line.192"></a> +<span class="sourceLineNo">193</span> @Deprecated<a name="line.193"></a> +<span class="sourceLineNo">194</span> public HFileScanner getScanner(boolean cacheBlocks, boolean pread,<a name="line.194"></a> +<span class="sourceLineNo">195</span> boolean isCompaction) {<a name="line.195"></a> +<span class="sourceLineNo">196</span> return reader.getScanner(cacheBlocks, pread, isCompaction);<a name="line.196"></a> +<span class="sourceLineNo">197</span> }<a name="line.197"></a> +<span class="sourceLineNo">198</span><a name="line.198"></a> +<span class="sourceLineNo">199</span> public void close(boolean evictOnClose) throws IOException {<a name="line.199"></a> +<span class="sourceLineNo">200</span> reader.close(evictOnClose);<a name="line.200"></a> +<span class="sourceLineNo">201</span> }<a name="line.201"></a> +<span class="sourceLineNo">202</span><a name="line.202"></a> +<span class="sourceLineNo">203</span> /**<a name="line.203"></a> +<span class="sourceLineNo">204</span> * Check if this storeFile may contain keys within the TimeRange that<a name="line.204"></a> +<span class="sourceLineNo">205</span> * have not expired (i.e. not older than oldestUnexpiredTS).<a name="line.205"></a> +<span class="sourceLineNo">206</span> * @param timeRange the timeRange to restrict<a name="line.206"></a> +<span class="sourceLineNo">207</span> * @param oldestUnexpiredTS the oldest timestamp that is not expired, as<a name="line.207"></a> +<span class="sourceLineNo">208</span> * determined by the column family's TTL<a name="line.208"></a> +<span class="sourceLineNo">209</span> * @return false if queried keys definitely don't exist in this StoreFile<a name="line.209"></a> +<span class="sourceLineNo">210</span> */<a name="line.210"></a> +<span class="sourceLineNo">211</span> boolean passesTimerangeFilter(TimeRange tr, long oldestUnexpiredTS) {<a name="line.211"></a> +<span class="sourceLineNo">212</span> return this.timeRange == null? true:<a name="line.212"></a> +<span class="sourceLineNo">213</span> this.timeRange.includesTimeRange(tr) && this.timeRange.getMax() >= oldestUnexpiredTS;<a name="line.213"></a> +<span class="sourceLineNo">214</span> }<a name="line.214"></a> +<span class="sourceLineNo">215</span><a name="line.215"></a> +<span class="sourceLineNo">216</span> /**<a name="line.216"></a> +<span class="sourceLineNo">217</span> * Checks whether the given scan passes the Bloom filter (if present). Only<a name="line.217"></a> +<span class="sourceLineNo">218</span> * checks Bloom filters for single-row or single-row-column scans. Bloom<a name="line.218"></a> +<span class="sourceLineNo">219</span> * filter checking for multi-gets is implemented as part of the store<a name="line.219"></a> +<span class="sourceLineNo">220</span> * scanner system (see {@link StoreFileScanner#seek(Cell)} and uses<a name="line.220"></a> +<span class="sourceLineNo">221</span> * the lower-level API {@link #passesGeneralRowBloomFilter(byte[], int, int)}<a name="line.221"></a> +<span class="sourceLineNo">222</span> * and {@link #passesGeneralRowColBloomFilter(Cell)}.<a name="line.222"></a> +<span class="sourceLineNo">223</span> *<a name="line.223"></a> +<span class="sourceLineNo">224</span> * @param scan the scan specification. Used to determine the row, and to<a name="line.224"></a> +<span class="sourceLineNo">225</span> * check whether this is a single-row ("get") scan.<a name="line.225"></a> +<span class="sourceLineNo">226</span> * @param columns the set of columns. Only used for row-column Bloom<a name="line.226"></a> +<span class="sourceLineNo">227</span> * filters.<a name="line.227"></a> +<span class="sourceLineNo">228</span> * @return true if the scan with the given column set passes the Bloom<a name="line.228"></a> +<span class="sourceLineNo">229</span> * filter, or if the Bloom filter is not applicable for the scan.<a name="line.229"></a> +<span class="sourceLineNo">230</span> * False if the Bloom filter is applicable and the scan fails it.<a name="line.230"></a> +<span class="sourceLineNo">231</span> */<a name="line.231"></a> +<span class="sourceLineNo">232</span> boolean passesBloomFilter(Scan scan, final SortedSet<byte[]> columns) {<a name="line.232"></a> +<span class="sourceLineNo">233</span> // Multi-column non-get scans will use Bloom filters through the<a name="line.233"></a> +<span class="sourceLineNo">234</span> // lower-level API function that this function calls.<a name="line.234"></a> +<span class="sourceLineNo">235</span> if (!scan.isGetScan()) {<a name="line.235"></a> +<span class="sourceLineNo">236</span> return true;<a name="line.236"></a> +<span class="sourceLineNo">237</span> }<a name="line.237"></a> +<span class="sourceLineNo">238</span><a name="line.238"></a> +<span class="sourceLineNo">239</span> byte[] row = scan.getStartRow();<a name="line.239"></a> +<span class="sourceLineNo">240</span> switch (this.bloomFilterType) {<a name="line.240"></a> +<span class="sourceLineNo">241</span> case ROW:<a name="line.241"></a> +<span class="sourceLineNo">242</span> return passesGeneralRowBloomFilter(row, 0, row.length);<a name="line.242"></a> +<span class="sourceLineNo">243</span><a name="line.243"></a> +<span class="sourceLineNo">244</span> case ROWCOL:<a name="line.244"></a> +<span class="sourceLineNo">245</span> if (columns != null && columns.size() == 1) {<a name="line.245"></a> +<span class="sourceLineNo">246</span> byte[] column = columns.first();<a name="line.246"></a> +<span class="sourceLineNo">247</span> // create the required fake key<a name="line.247"></a> +<span class="sourceLineNo">248</span> Cell kvKey = CellUtil.createFirstOnRow(row, HConstants.EMPTY_BYTE_ARRAY, column);<a name="line.248"></a> +<span class="sourceLineNo">249</span> return passesGeneralRowColBloomFilter(kvKey);<a name="line.249"></a> +<span class="sourceLineNo">250</span> }<a name="line.250"></a> +<span class="sourceLineNo">251</span><a name="line.251"></a> +<span class="sourceLineNo">252</span> // For multi-column queries the Bloom filter is checked from the<a name="line.252"></a> +<span class="sourceLineNo">253</span> // seekExact operation.<a name="line.253"></a> +<span class="sourceLineNo">254</span> return true;<a name="line.254"></a> +<span class="sourceLineNo">255</span><a name="line.255"></a> +<span class="sourceLineNo">256</span> default:<a name="line.256"></a> +<span class="sourceLineNo">257</span> return true;<a name="line.257"></a> +<span class="sourceLineNo">258</span> }<a name="line.258"></a> +<span class="sourceLineNo">259</span> }<a name="line.259"></a> +<span class="sourceLineNo">260</span><a name="line.260"></a> +<span class="sourceLineNo">261</span> public boolean passesDeleteFamilyBloomFilter(byte[] row, int rowOffset,<a name="line.261"></a> +<span class="sourceLineNo">262</span> int rowLen) {<a name="line.262"></a> +<span class="sourceLineNo">263</span> // Cache Bloom filter as a local variable in case it is set to null by<a name="line.263"></a> +<span class="sourceLineNo">264</span> // another thread on an IO error.<a name="line.264"></a> +<span class="sourceLineNo">265</span> BloomFilter bloomFilter = this.deleteFamilyBloomFilter;<a name="line.265"></a> +<span class="sourceLineNo">266</span><a name="line.266"></a> +<span class="sourceLineNo">267</span> // Empty file or there is no delete family at all<a name="line.267"></a> +<span class="sourceLineNo">268</span> if (reader.getTrailer().getEntryCount() == 0 || deleteFamilyCnt == 0) {<a 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(IllegalArgumentException e) {<a name="line.281"></a> +<span class="sourceLineNo">282</span> LOG.error("Bad Delete Family bloom filter data -- proceeding without",<a name="line.282"></a> +<span class="sourceLineNo">283</span> e);<a name="line.283"></a> +<span class="sourceLineNo">284</span> setDeleteFamilyBloomFilterFaulty();<a name="line.284"></a> +<span class="sourceLineNo">285</span> }<a name="line.285"></a> +<span class="sourceLineNo">286</span><a name="line.286"></a> +<span class="sourceLineNo">287</span> return true;<a name="line.287"></a> +<span class="sourceLineNo">288</span> }<a name="line.288"></a> +<span class="sourceLineNo">289</span><a name="line.289"></a> +<span class="sourceLineNo">290</span> /**<a name="line.290"></a> +<span class="sourceLineNo">291</span> * A method for checking Bloom filters. Called directly from<a name="line.291"></a> +<span class="sourceLineNo">292</span> * StoreFileScanner in case of a multi-column query.<a name="line.292"></a> +<span class="sourceLineNo">293</span> *<a name="line.293"></a> +<span class="sourceLineNo">294</span> * @return True if passes<a name="line.294"></a> +<span class="sourceLineNo">295</span> */<a name="line.295"></a> +<span class="sourceLineNo">296</span> public boolean passesGeneralRowBloomFilter(byte[] row, int rowOffset, int rowLen) {<a name="line.296"></a> +<span class="sourceLineNo">297</span> BloomFilter bloomFilter = this.generalBloomFilter;<a name="line.297"></a> +<span class="sourceLineNo">298</span> if (bloomFilter == null) {<a name="line.298"></a> +<span class="sourceLineNo">299</span> return true;<a name="line.299"></a> +<span class="sourceLineNo">300</span> }<a name="line.300"></a> +<span class="sourceLineNo">301</span><a name="line.301"></a> +<span class="sourceLineNo">302</span> // Used in ROW bloom<a name="line.302"></a> +<span class="sourceLineNo">303</span> byte[] key = null;<a name="line.303"></a> +<span class="sourceLineNo">304</span> if (rowOffset != 0 || rowLen != row.length) {<a name="line.304"></a> +<span class="sourceLineNo">305</span> throw new AssertionError(<a name="line.305"></a> +<span class="sourceLineNo">306</span> "For row-only Bloom filters the row " + "must occupy the whole array");<a name="line.306"></a> +<span class="sourceLineNo">307</span> }<a name="line.307"></a> +<span class="sourceLineNo">308</span> key = row;<a name="line.308"></a> +<span class="sourceLineNo">309</span> return checkGeneralBloomFilter(key, null, bloomFilter);<a name="line.309"></a> +<span class="sourceLineNo">310</span> }<a name="line.310"></a> +<span class="sourceLineNo">311</span><a name="line.311"></a> +<span class="sourceLineNo">312</span> /**<a name="line.312"></a> +<span class="sourceLineNo">313</span> * A method for checking Bloom filters. Called directly from<a name="line.313"></a> +<span class="sourceLineNo">314</span> * StoreFileScanner in case of a multi-column query.<a name="line.314"></a> +<span class="sourceLineNo">315</span> *<a name="line.315"></a> +<span class="sourceLineNo">316</span> * @param cell<a name="line.316"></a> +<span class="sourceLineNo">317</span> * the cell to check if present in BloomFilter<a name="line.317"></a> +<span class="sourceLineNo">318</span> * @return True if passes<a name="line.318"></a> +<span class="sourceLineNo">319</span> */<a name="line.319"></a> +<span class="sourceLineNo">320</span> public boolean passesGeneralRowColBloomFilter(Cell cell) {<a name="line.320"></a> +<span class="sourceLineNo">321</span> BloomFilter bloomFilter = this.generalBloomFilter;<a name="line.321"></a> +<span class="sourceLineNo">322</span> if (bloomFilter == null) {<a name="line.322"></a> +<span class="sourceLineNo">323</span> return true;<a name="line.323"></a> +<span class="sourceLineNo">324</span> }<a name="line.324"></a> +<span class="sourceLineNo">325</span> // Used in ROW_COL bloom<a name="line.325"></a> +<span class="sourceLineNo">326</span> Cell kvKey = null;<a name="line.326"></a> +<span class="sourceLineNo">327</span> // Already if the incoming key is a fake rowcol key then use it as it is<a name="line.327"></a> +<span class="sourceLineNo">328</span> if (cell.getTypeByte() == KeyValue.Type.Maximum.getCode() && cell.getFamilyLength() == 0) {<a name="line.328"></a> +<span class="sourceLineNo">329</span> kvKey = cell;<a name="line.329"></a> +<span class="sourceLineNo">330</span> } else {<a name="line.330"></a> +<span class="sourceLineNo">331</span> kvKey = CellUtil.createFirstOnRowCol(cell);<a name="line.331"></a> +<span class="sourceLineNo">332</span> }<a name="line.332"></a> +<span class="sourceLineNo">333</span> return checkGeneralBloomFilter(null, kvKey, bloomFilter);<a name="line.333"></a> +<span class="sourceLineNo">334</span> }<a name="line.334"></a> +<span class="sourceLineNo">335</span><a name="line.335"></a> +<span class="sourceLineNo">336</span> private boolean checkGeneralBloomFilter(byte[] key, Cell kvKey, BloomFilter bloomFilter) {<a name="line.336"></a> +<span class="sourceLineNo">337</span> // Empty file<a name="line.337"></a> +<span class="sourceLineNo">338</span> if (reader.getTrailer().getEntryCount() == 0) {<a name="line.338"></a> +<span class="sourceLineNo">339</span> return false;<a name="line.339"></a> +<span class="sourceLineNo">340</span> }<a name="line.340"></a> +<span class="sourceLineNo">341</span> HFileBlock bloomBlock = null;<a name="line.341"></a> +<span class="sourceLineNo">342</span> try {<a name="line.342"></a> +<span class="sourceLineNo">343</span> boolean shouldCheckBloom;<a name="line.343"></a> +<span class="sourceLineNo">344</span> ByteBuff bloom;<a name="line.344"></a> +<span class="sourceLineNo">345</span> if (bloomFilter.supportsAutoLoading()) {<a name="line.345"></a> +<span class="sourceLineNo">346</span> bloom = null;<a name="line.346"></a> +<span class="sourceLineNo">347</span> shouldCheckBloom = true;<a name="line.347"></a> +<span class="sourceLineNo">348</span> } else {<a name="line.348"></a> +<span class="sourceLineNo">349</span> bloomBlock = reader.getMetaBlock(HFile.BLOOM_FILTER_DATA_KEY, true);<a name="line.349"></a> +<span class="sourceLineNo">350</span> bloom = bloomBlock.getBufferWithoutHeader();<a name="line.350"></a> +<span class="sourceLineNo">351</span> shouldCheckBloom = bloom != null;<a name="line.351"></a> +<span class="sourceLineNo">352</span> }<a name="line.352"></a> +<span class="sourceLineNo">353</span><a name="line.353"></a> +<span class="sourceLineNo">354</span> if (shouldCheckBloom) {<a name="line.354"></a> +<span class="sourceLineNo">355</span> boolean exists;<a name="line.355"></a> +<span class="sourceLineNo">356</span><a name="line.356"></a> +<span class="sourceLineNo">357</span> // Whether the primary Bloom key is greater than the last Bloom key<a name="line.357"></a> +<span class="sourceLineNo">358</span> // from the file info. For row-column Bloom filters this is not yet<a name="line.358"></a> +<span class="sourceLineNo">359</span> // a sufficient condition to return false.<a name="line.359"></a> +<span class="sourceLineNo">360</span> boolean keyIsAfterLast = (lastBloomKey != null);<a name="line.360"></a> +<span class="sourceLineNo">361</span> // hbase:meta does not have blooms. So we need not have special interpretation<a name="line.361"></a> +<span class="sourceLineNo">362</span> // of the hbase:meta cells. We can safely use Bytes.BYTES_RAWCOMPARATOR for ROW Bloom<a name="line.362"></a> +<span class="sourceLineNo">363</span> if (keyIsAfterLast) {<a name="line.363"></a> +<span class="sourceLineNo">364</span> if (bloomFilterType == BloomType.ROW) {<a name="line.364"></a> +<span class="sourceLineNo">365</span> keyIsAfterLast = (Bytes.BYTES_RAWCOMPARATOR.compare(key, lastBloomKey) > 0);<a name="line.365"></a> +<span class="sourceLineNo">366</span> } else {<a name="line.366"></a> +<span class="sourceLineNo">367</span> keyIsAfterLast = (CellComparator.COMPARATOR.compare(kvKey, lastBloomKeyOnlyKV)) > 0;<a name="line.367"></a> +<span class="sourceLineNo">368</span> }<a name="line.368"></a> +<span class="sourceLineNo">369</span> }<a name="line.369"></a> +<span class="sourceLineNo">370</span><a name="line.370"></a> +<span class="sourceLineNo">371</span> if (bloomFilterType == BloomType.ROWCOL) {<a name="line.371"></a> +<span class="sourceLineNo">372</span> // Since a Row Delete is essentially a DeleteFamily applied to all<a name="line.372"></a> +<span class="sourceLineNo">373</span> // columns, a file might be skipped if using row+col Bloom filter.<a name="line.373"></a> +<span class="sourceLineNo">374</span> // In order to ensure this file is included an additional check is<a name="line.374"></a> +<span class="sourceLineNo">375</span> // required looking only for a row bloom.<a name="line.375"></a> +<span class="sourceLineNo">376</span> Cell rowBloomKey = CellUtil.createFirstOnRow(kvKey);<a name="line.376"></a> +<span class="sourceLineNo">377</span> // hbase:meta does not have blooms. So we need not have special interpretation<a name="line.377"></a> +<span class="sourceLineNo">378</span> // of the hbase:meta cells. We can safely use Bytes.BYTES_RAWCOMPARATOR for ROW Bloom<a name="line.378"></a> +<span class="sourceLineNo">379</span> if (keyIsAfterLast<a name="line.379"></a> +<span class="sourceLineNo">380</span> && (CellComparator.COMPARATOR.compare(rowBloomKey, lastBloomKeyOnlyKV)) > 0) {<a name="line.380"></a> +<span class="sourceLineNo">381</span> exists = false;<a name="line.381"></a> +<span class="sourceLineNo">382</span> } else {<a name="line.382"></a> +<span class="sourceLineNo">383</span> exists =<a name="line.383"></a> +<span class="sourceLineNo">384</span> bloomFilter.contains(kvKey, bloom, BloomType.ROWCOL) ||<a name="line.384"></a> +<span class="sourceLineNo">385</span> bloomFilter.contains(rowBloomKey, bloom, BloomType.ROWCOL);<a name="line.385"></a> +<span class="sourceLineNo">386</span> }<a name="line.386"></a> +<span class="sourceLineNo">387</span> } else {<a name="line.387"></a> +<span class="sourceLineNo">388</span> exists = !keyIsAfterLast<a name="line.388"></a> +<span class="sourceLineNo">389</span> && bloomFilter.contains(key, 0, key.length, bloom);<a name="line.389"></a> +<span class="sourceLineNo">390</span> }<a name="line.390"></a> +<span class="sourceLineNo">391</span><a name="line.391"></a> +<span class="sourceLineNo">392</span> return exists;<a name="line.392"></a> +<span class="sourceLineNo">393</span> }<a name="line.393"></a> +<span class="sourceLineNo">394</span> } catch (IOException e) {<a name="line.394"></a> +<span class="sourceLineNo">395</span> LOG.error("Error reading bloom filter data -- proceeding without",<a name="line.395"></a> +<span class="sourceLineNo">396</span> e);<a name="line.396"></a> +<span class="sourceLineNo">397</span> setGeneralBloomFilterFaulty();<a name="line.397"></a> +<span class="sourceLineNo">398</span> } catch (IllegalArgumentException e) {<a name="line.398"></a> +<span class="sourceLineNo">399</span> LOG.error("Bad bloom filter data -- proceeding without", e);<a name="line.399"></a> +<span class="sourceLineNo">400</span> setGeneralBloomFilterFaulty();<a name="line.400"></a> +<span class="sourceLineNo">401</span> } finally {<a name="line.401"></a> +<span class="sourceLineNo">402</span> // Return the bloom block so that its ref count can be decremented.<a name="line.402"></a> +<span class="sourceLineNo">403</span> reader.returnBlock(bloomBlock);<a name="line.403"></a> +<span class="sourceLineNo">404</span> }<a name="line.404"></a> +<span class="sourceLineNo">405</span> return true;<a name="line.405"></a> +<span class="sourceLineNo">406</span> }<a name="line.406"></a> +<span class="sourceLineNo">407</span><a name="line.407"></a> +<span class="sourceLineNo">408</span> /**<a name="line.408"></a> +<span class="sourceLineNo">409</span> * Checks whether the given scan rowkey range overlaps with the current storefile's<a name="line.409"></a> +<span class="sourceLineNo">410</span> * @param scan the scan specification. Used to determine the rowkey range.<a name="line.410"></a> +<span class="sourceLineNo">411</span> * @return true if there is overlap, false otherwise<a name="line.411"></a> +<span class="sourceLineNo">412</span> */<a name="line.412"></a> +<span class="sourceLineNo">413</span> public boolean passesKeyRangeFilter(Scan scan) {<a name="line.413"></a> +<span class="sourceLineNo">414</span> if (this.getFirstKey() == null || this.getLastKey() == null) {<a name="line.414"></a> +<span class="sourceLineNo">415</span> // the file is empty<a name="line.415"></a> +<span class="sourceLineNo">416</span> return false;<a name="line.416"></a> +<span class="sourceLineNo">417</span> }<a name="line.417"></a> +<span class="sourceLineNo">418</span> if (Bytes.equals(scan.getStartRow(), HConstants.EMPTY_START_ROW)<a name="line.418"></a> +<span class="sourceLineNo">419</span> && Bytes.equals(scan.getStopRow(), HConstants.EMPTY_END_ROW)) {<a name="line.419"></a> +<span class="sourceLineNo">420</span> return true;<a name="line.420"></a> +<span class="sourceLineNo">421</span> }<a name="line.421"></a> +<span class="sourceLineNo">422</span> byte[] smallestScanRow = scan.isReversed() ? scan.getStopRow() : scan.getStartRow();<a name="line.422"></a> +<span class="sourceLineNo">423</span> byte[] largestScanRow = scan.isReversed() ? scan.getStartRow() : scan.getStopRow();<a name="line.423"></a> +<span class="sourceLineNo">424</span> Cell firstKeyKV = this.getFirstKey();<a name="line.424"></a> +<span class="sourceLineNo">425</span> Cell lastKeyKV = this.getLastKey();<a name="line.425"></a> +<span class="sourceLineNo">426</span> boolean nonOverLapping = (getComparator().compareRows(firstKeyKV,<a name="line.426"></a> +<span class="sourceLineNo">427</span> largestScanRow, 0, largestScanRow.length) > 0<a name="line.427"></a> +<span class="sourceLineNo">428</span> && !Bytes<a name="line.428"></a> +<span class="sourceLineNo">429</span> .equals(scan.isReversed() ? scan.getStartRow() : scan.getStopRow(),<a name="line.429"></a> +<span class="sourceLineNo">430</span> HConstants.EMPTY_END_ROW))<a name="line.430"></a> +<span class="sourceLineNo">431</span> || getComparator().compareRows(lastKeyKV, smallestScanRow, 0, smallestScanRow.length) < 0;<a name="line.431"></a> +<span class="sourceLineNo">432</span> return !nonOverLapping;<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> public Map<byte[], byte[]> loadFileInfo() throws IOException {<a name="line.435"></a> +<span class="sourceLineNo">436</span> Map<byte [], byte []> fi = reader.loadFileInfo();<a name="line.436"></a> +<span class="sourceLineNo">437</span><a name="l
<TRUNCATED>
