http://git-wip-us.apache.org/repos/asf/hbase-site/blob/aa7ffc92/devapidocs/src-html/org/apache/hadoop/hbase/backup/impl/FullTableBackupClient.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/backup/impl/FullTableBackupClient.html b/devapidocs/src-html/org/apache/hadoop/hbase/backup/impl/FullTableBackupClient.html index 2ac2191..a0a02e0 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/backup/impl/FullTableBackupClient.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/backup/impl/FullTableBackupClient.html @@ -47,12 +47,12 @@ <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.backup.BackupType;<a name="line.39"></a> <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.backup.master.LogRollMasterProcedureManager;<a name="line.40"></a> <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.backup.util.BackupUtils;<a name="line.41"></a> -<span class="sourceLineNo">042</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.42"></a> -<span class="sourceLineNo">043</span>import org.slf4j.Logger;<a name="line.43"></a> -<span class="sourceLineNo">044</span>import org.slf4j.LoggerFactory;<a name="line.44"></a> -<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.client.Admin;<a name="line.45"></a> -<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.client.Connection;<a name="line.46"></a> -<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.47"></a> +<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.client.Admin;<a name="line.42"></a> +<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.client.Connection;<a name="line.43"></a> +<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.44"></a> +<span class="sourceLineNo">045</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.45"></a> +<span class="sourceLineNo">046</span>import org.slf4j.Logger;<a name="line.46"></a> +<span class="sourceLineNo">047</span>import org.slf4j.LoggerFactory;<a name="line.47"></a> <span class="sourceLineNo">048</span><a name="line.48"></a> <span class="sourceLineNo">049</span>/**<a name="line.49"></a> <span class="sourceLineNo">050</span> * Full table backup implementation<a name="line.50"></a> @@ -94,7 +94,7 @@ <span class="sourceLineNo">086</span> // Currently we simply set the sub copy tasks by counting the table snapshot number, we can<a name="line.86"></a> <span class="sourceLineNo">087</span> // calculate the real files' size for the percentage in the future.<a name="line.87"></a> <span class="sourceLineNo">088</span> // backupCopier.setSubTaskPercntgInWholeTask(1f / numOfSnapshots);<a name="line.88"></a> -<span class="sourceLineNo">089</span> int res = 0;<a name="line.89"></a> +<span class="sourceLineNo">089</span> int res;<a name="line.89"></a> <span class="sourceLineNo">090</span> String[] args = new String[4];<a name="line.90"></a> <span class="sourceLineNo">091</span> args[0] = "-snapshot";<a name="line.91"></a> <span class="sourceLineNo">092</span> args[1] = backupInfo.getSnapshotName(table);<a name="line.92"></a> @@ -124,121 +124,119 @@ <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> * Backup request execution<a name="line.119"></a> -<span class="sourceLineNo">120</span> * @throws IOException<a name="line.120"></a> -<span class="sourceLineNo">121</span> */<a name="line.121"></a> -<span class="sourceLineNo">122</span> @Override<a name="line.122"></a> -<span class="sourceLineNo">123</span> public void execute() throws IOException {<a name="line.123"></a> -<span class="sourceLineNo">124</span> try (Admin admin = conn.getAdmin()) {<a name="line.124"></a> -<span class="sourceLineNo">125</span> // Begin BACKUP<a name="line.125"></a> -<span class="sourceLineNo">126</span> beginBackup(backupManager, backupInfo);<a name="line.126"></a> -<span class="sourceLineNo">127</span> String savedStartCode = null;<a name="line.127"></a> -<span class="sourceLineNo">128</span> boolean firstBackup = false;<a name="line.128"></a> -<span class="sourceLineNo">129</span> // do snapshot for full table backup<a name="line.129"></a> -<span class="sourceLineNo">130</span><a name="line.130"></a> -<span class="sourceLineNo">131</span> savedStartCode = backupManager.readBackupStartCode();<a name="line.131"></a> -<span class="sourceLineNo">132</span> firstBackup = savedStartCode == null || Long.parseLong(savedStartCode) == 0L;<a name="line.132"></a> -<span class="sourceLineNo">133</span> if (firstBackup) {<a name="line.133"></a> -<span class="sourceLineNo">134</span> // This is our first backup. Let's put some marker to system table so that we can hold the logs<a name="line.134"></a> -<span class="sourceLineNo">135</span> // while we do the backup.<a name="line.135"></a> -<span class="sourceLineNo">136</span> backupManager.writeBackupStartCode(0L);<a name="line.136"></a> -<span class="sourceLineNo">137</span> }<a name="line.137"></a> -<span class="sourceLineNo">138</span> // We roll log here before we do the snapshot. It is possible there is duplicate data<a name="line.138"></a> -<span class="sourceLineNo">139</span> // in the log that is already in the snapshot. But if we do it after the snapshot, we<a name="line.139"></a> -<span class="sourceLineNo">140</span> // could have data loss.<a name="line.140"></a> -<span class="sourceLineNo">141</span> // A better approach is to do the roll log on each RS in the same global procedure as<a name="line.141"></a> -<span class="sourceLineNo">142</span> // the snapshot.<a name="line.142"></a> -<span class="sourceLineNo">143</span> LOG.info("Execute roll log procedure for full backup ...");<a name="line.143"></a> -<span class="sourceLineNo">144</span><a name="line.144"></a> -<span class="sourceLineNo">145</span> Map<String, String> props = new HashMap<String, String>();<a name="line.145"></a> -<span class="sourceLineNo">146</span> props.put("backupRoot", backupInfo.getBackupRootDir());<a name="line.146"></a> -<span class="sourceLineNo">147</span> admin.execProcedure(LogRollMasterProcedureManager.ROLLLOG_PROCEDURE_SIGNATURE,<a name="line.147"></a> -<span class="sourceLineNo">148</span> LogRollMasterProcedureManager.ROLLLOG_PROCEDURE_NAME, props);<a name="line.148"></a> -<span class="sourceLineNo">149</span><a name="line.149"></a> -<span class="sourceLineNo">150</span> newTimestamps = backupManager.readRegionServerLastLogRollResult();<a name="line.150"></a> -<span class="sourceLineNo">151</span> if (firstBackup) {<a name="line.151"></a> -<span class="sourceLineNo">152</span> // Updates registered log files<a name="line.152"></a> -<span class="sourceLineNo">153</span> // We record ALL old WAL files as registered, because<a name="line.153"></a> -<span class="sourceLineNo">154</span> // this is a first full backup in the system and these<a name="line.154"></a> -<span class="sourceLineNo">155</span> // files are not needed for next incremental backup<a name="line.155"></a> -<span class="sourceLineNo">156</span> List<String> logFiles = BackupUtils.getWALFilesOlderThan(conf, newTimestamps);<a name="line.156"></a> -<span class="sourceLineNo">157</span> backupManager.recordWALFiles(logFiles);<a name="line.157"></a> -<span class="sourceLineNo">158</span> }<a name="line.158"></a> -<span class="sourceLineNo">159</span><a name="line.159"></a> -<span class="sourceLineNo">160</span> // SNAPSHOT_TABLES:<a name="line.160"></a> -<span class="sourceLineNo">161</span> backupInfo.setPhase(BackupPhase.SNAPSHOT);<a name="line.161"></a> -<span class="sourceLineNo">162</span> for (TableName tableName : tableList) {<a name="line.162"></a> -<span class="sourceLineNo">163</span> String snapshotName =<a name="line.163"></a> -<span class="sourceLineNo">164</span> "snapshot_" + Long.toString(EnvironmentEdgeManager.currentTime()) + "_"<a name="line.164"></a> -<span class="sourceLineNo">165</span> + tableName.getNamespaceAsString() + "_" + tableName.getQualifierAsString();<a name="line.165"></a> -<span class="sourceLineNo">166</span><a name="line.166"></a> -<span class="sourceLineNo">167</span> snapshotTable(admin, tableName, snapshotName);<a name="line.167"></a> -<span class="sourceLineNo">168</span> backupInfo.setSnapshotName(tableName, snapshotName);<a name="line.168"></a> -<span class="sourceLineNo">169</span> }<a name="line.169"></a> -<span class="sourceLineNo">170</span><a name="line.170"></a> -<span class="sourceLineNo">171</span> // SNAPSHOT_COPY:<a name="line.171"></a> -<span class="sourceLineNo">172</span> // do snapshot copy<a name="line.172"></a> -<span class="sourceLineNo">173</span> LOG.debug("snapshot copy for " + backupId);<a name="line.173"></a> -<span class="sourceLineNo">174</span> snapshotCopy(backupInfo);<a name="line.174"></a> -<span class="sourceLineNo">175</span> // Updates incremental backup table set<a name="line.175"></a> -<span class="sourceLineNo">176</span> backupManager.addIncrementalBackupTableSet(backupInfo.getTables());<a name="line.176"></a> -<span class="sourceLineNo">177</span><a name="line.177"></a> -<span class="sourceLineNo">178</span> // BACKUP_COMPLETE:<a name="line.178"></a> -<span class="sourceLineNo">179</span> // set overall backup status: complete. Here we make sure to complete the backup.<a name="line.179"></a> -<span class="sourceLineNo">180</span> // After this checkpoint, even if entering cancel process, will let the backup finished<a name="line.180"></a> -<span class="sourceLineNo">181</span> backupInfo.setState(BackupState.COMPLETE);<a name="line.181"></a> -<span class="sourceLineNo">182</span> // The table list in backupInfo is good for both full backup and incremental backup.<a name="line.182"></a> -<span class="sourceLineNo">183</span> // For incremental backup, it contains the incremental backup table set.<a name="line.183"></a> -<span class="sourceLineNo">184</span> backupManager.writeRegionServerLogTimestamp(backupInfo.getTables(), newTimestamps);<a name="line.184"></a> -<span class="sourceLineNo">185</span><a name="line.185"></a> -<span class="sourceLineNo">186</span> HashMap<TableName, HashMap<String, Long>> newTableSetTimestampMap =<a name="line.186"></a> -<span class="sourceLineNo">187</span> backupManager.readLogTimestampMap();<a name="line.187"></a> -<span class="sourceLineNo">188</span><a name="line.188"></a> -<span class="sourceLineNo">189</span> Long newStartCode =<a name="line.189"></a> -<span class="sourceLineNo">190</span> BackupUtils.getMinValue(BackupUtils<a name="line.190"></a> -<span class="sourceLineNo">191</span> .getRSLogTimestampMins(newTableSetTimestampMap));<a name="line.191"></a> -<span class="sourceLineNo">192</span> backupManager.writeBackupStartCode(newStartCode);<a name="line.192"></a> -<span class="sourceLineNo">193</span><a name="line.193"></a> -<span class="sourceLineNo">194</span> // backup complete<a name="line.194"></a> -<span class="sourceLineNo">195</span> completeBackup(conn, backupInfo, backupManager, BackupType.FULL, conf);<a name="line.195"></a> -<span class="sourceLineNo">196</span> } catch (Exception e) {<a name="line.196"></a> -<span class="sourceLineNo">197</span> failBackup(conn, backupInfo, backupManager, e, "Unexpected BackupException : ",<a name="line.197"></a> -<span class="sourceLineNo">198</span> BackupType.FULL, conf);<a name="line.198"></a> -<span class="sourceLineNo">199</span> throw new IOException(e);<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">119</span> * Backup request execution.<a name="line.119"></a> +<span class="sourceLineNo">120</span> *<a name="line.120"></a> +<span class="sourceLineNo">121</span> * @throws IOException if the execution of the backup fails<a name="line.121"></a> +<span class="sourceLineNo">122</span> */<a name="line.122"></a> +<span class="sourceLineNo">123</span> @Override<a name="line.123"></a> +<span class="sourceLineNo">124</span> public void execute() throws IOException {<a name="line.124"></a> +<span class="sourceLineNo">125</span> try (Admin admin = conn.getAdmin()) {<a name="line.125"></a> +<span class="sourceLineNo">126</span> // Begin BACKUP<a name="line.126"></a> +<span class="sourceLineNo">127</span> beginBackup(backupManager, backupInfo);<a name="line.127"></a> +<span class="sourceLineNo">128</span> String savedStartCode;<a name="line.128"></a> +<span class="sourceLineNo">129</span> boolean firstBackup;<a name="line.129"></a> +<span class="sourceLineNo">130</span> // do snapshot for full table backup<a name="line.130"></a> +<span class="sourceLineNo">131</span><a name="line.131"></a> +<span class="sourceLineNo">132</span> savedStartCode = backupManager.readBackupStartCode();<a name="line.132"></a> +<span class="sourceLineNo">133</span> firstBackup = savedStartCode == null || Long.parseLong(savedStartCode) == 0L;<a name="line.133"></a> +<span class="sourceLineNo">134</span> if (firstBackup) {<a name="line.134"></a> +<span class="sourceLineNo">135</span> // This is our first backup. Let's put some marker to system table so that we can hold the<a name="line.135"></a> +<span class="sourceLineNo">136</span> // logs while we do the backup.<a name="line.136"></a> +<span class="sourceLineNo">137</span> backupManager.writeBackupStartCode(0L);<a name="line.137"></a> +<span class="sourceLineNo">138</span> }<a name="line.138"></a> +<span class="sourceLineNo">139</span> // We roll log here before we do the snapshot. It is possible there is duplicate data<a name="line.139"></a> +<span class="sourceLineNo">140</span> // in the log that is already in the snapshot. But if we do it after the snapshot, we<a name="line.140"></a> +<span class="sourceLineNo">141</span> // could have data loss.<a name="line.141"></a> +<span class="sourceLineNo">142</span> // A better approach is to do the roll log on each RS in the same global procedure as<a name="line.142"></a> +<span class="sourceLineNo">143</span> // the snapshot.<a name="line.143"></a> +<span class="sourceLineNo">144</span> LOG.info("Execute roll log procedure for full backup ...");<a name="line.144"></a> +<span class="sourceLineNo">145</span><a name="line.145"></a> +<span class="sourceLineNo">146</span> Map<String, String> props = new HashMap<>();<a name="line.146"></a> +<span class="sourceLineNo">147</span> props.put("backupRoot", backupInfo.getBackupRootDir());<a name="line.147"></a> +<span class="sourceLineNo">148</span> admin.execProcedure(LogRollMasterProcedureManager.ROLLLOG_PROCEDURE_SIGNATURE,<a name="line.148"></a> +<span class="sourceLineNo">149</span> LogRollMasterProcedureManager.ROLLLOG_PROCEDURE_NAME, props);<a name="line.149"></a> +<span class="sourceLineNo">150</span><a name="line.150"></a> +<span class="sourceLineNo">151</span> newTimestamps = backupManager.readRegionServerLastLogRollResult();<a name="line.151"></a> +<span class="sourceLineNo">152</span> if (firstBackup) {<a name="line.152"></a> +<span class="sourceLineNo">153</span> // Updates registered log files<a name="line.153"></a> +<span class="sourceLineNo">154</span> // We record ALL old WAL files as registered, because<a name="line.154"></a> +<span class="sourceLineNo">155</span> // this is a first full backup in the system and these<a name="line.155"></a> +<span class="sourceLineNo">156</span> // files are not needed for next incremental backup<a name="line.156"></a> +<span class="sourceLineNo">157</span> List<String> logFiles = BackupUtils.getWALFilesOlderThan(conf, newTimestamps);<a name="line.157"></a> +<span class="sourceLineNo">158</span> backupManager.recordWALFiles(logFiles);<a name="line.158"></a> +<span class="sourceLineNo">159</span> }<a name="line.159"></a> +<span class="sourceLineNo">160</span><a name="line.160"></a> +<span class="sourceLineNo">161</span> // SNAPSHOT_TABLES:<a name="line.161"></a> +<span class="sourceLineNo">162</span> backupInfo.setPhase(BackupPhase.SNAPSHOT);<a name="line.162"></a> +<span class="sourceLineNo">163</span> for (TableName tableName : tableList) {<a name="line.163"></a> +<span class="sourceLineNo">164</span> String snapshotName =<a name="line.164"></a> +<span class="sourceLineNo">165</span> "snapshot_" + Long.toString(EnvironmentEdgeManager.currentTime()) + "_"<a name="line.165"></a> +<span class="sourceLineNo">166</span> + tableName.getNamespaceAsString() + "_" + tableName.getQualifierAsString();<a name="line.166"></a> +<span class="sourceLineNo">167</span><a name="line.167"></a> +<span class="sourceLineNo">168</span> snapshotTable(admin, tableName, snapshotName);<a name="line.168"></a> +<span class="sourceLineNo">169</span> backupInfo.setSnapshotName(tableName, snapshotName);<a name="line.169"></a> +<span class="sourceLineNo">170</span> }<a name="line.170"></a> +<span class="sourceLineNo">171</span><a name="line.171"></a> +<span class="sourceLineNo">172</span> // SNAPSHOT_COPY:<a name="line.172"></a> +<span class="sourceLineNo">173</span> // do snapshot copy<a name="line.173"></a> +<span class="sourceLineNo">174</span> LOG.debug("snapshot copy for " + backupId);<a name="line.174"></a> +<span class="sourceLineNo">175</span> snapshotCopy(backupInfo);<a name="line.175"></a> +<span class="sourceLineNo">176</span> // Updates incremental backup table set<a name="line.176"></a> +<span class="sourceLineNo">177</span> backupManager.addIncrementalBackupTableSet(backupInfo.getTables());<a name="line.177"></a> +<span class="sourceLineNo">178</span><a name="line.178"></a> +<span class="sourceLineNo">179</span> // BACKUP_COMPLETE:<a name="line.179"></a> +<span class="sourceLineNo">180</span> // set overall backup status: complete. Here we make sure to complete the backup.<a name="line.180"></a> +<span class="sourceLineNo">181</span> // After this checkpoint, even if entering cancel process, will let the backup finished<a name="line.181"></a> +<span class="sourceLineNo">182</span> backupInfo.setState(BackupState.COMPLETE);<a name="line.182"></a> +<span class="sourceLineNo">183</span> // The table list in backupInfo is good for both full backup and incremental backup.<a name="line.183"></a> +<span class="sourceLineNo">184</span> // For incremental backup, it contains the incremental backup table set.<a name="line.184"></a> +<span class="sourceLineNo">185</span> backupManager.writeRegionServerLogTimestamp(backupInfo.getTables(), newTimestamps);<a name="line.185"></a> +<span class="sourceLineNo">186</span><a name="line.186"></a> +<span class="sourceLineNo">187</span> HashMap<TableName, HashMap<String, Long>> newTableSetTimestampMap =<a name="line.187"></a> +<span class="sourceLineNo">188</span> backupManager.readLogTimestampMap();<a name="line.188"></a> +<span class="sourceLineNo">189</span><a name="line.189"></a> +<span class="sourceLineNo">190</span> Long newStartCode =<a name="line.190"></a> +<span class="sourceLineNo">191</span> BackupUtils.getMinValue(BackupUtils<a name="line.191"></a> +<span class="sourceLineNo">192</span> .getRSLogTimestampMins(newTableSetTimestampMap));<a name="line.192"></a> +<span class="sourceLineNo">193</span> backupManager.writeBackupStartCode(newStartCode);<a name="line.193"></a> +<span class="sourceLineNo">194</span><a name="line.194"></a> +<span class="sourceLineNo">195</span> // backup complete<a name="line.195"></a> +<span class="sourceLineNo">196</span> completeBackup(conn, backupInfo, backupManager, BackupType.FULL, conf);<a name="line.196"></a> +<span class="sourceLineNo">197</span> } catch (Exception e) {<a name="line.197"></a> +<span class="sourceLineNo">198</span> failBackup(conn, backupInfo, backupManager, e, "Unexpected BackupException : ",<a name="line.198"></a> +<span class="sourceLineNo">199</span> BackupType.FULL, conf);<a name="line.199"></a> +<span class="sourceLineNo">200</span> throw new IOException(e);<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><a name="line.204"></a> -<span class="sourceLineNo">205</span> protected void snapshotTable(Admin admin, TableName tableName, String snapshotName)<a name="line.205"></a> -<span class="sourceLineNo">206</span> throws IOException {<a name="line.206"></a> -<span class="sourceLineNo">207</span><a name="line.207"></a> -<span class="sourceLineNo">208</span> int maxAttempts =<a name="line.208"></a> -<span class="sourceLineNo">209</span> conf.getInt(BACKUP_MAX_ATTEMPTS_KEY, DEFAULT_BACKUP_MAX_ATTEMPTS);<a name="line.209"></a> -<span 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class="sourceLineNo">233</span>}<a name="line.233"></a> +<span class="sourceLineNo">204</span> protected void snapshotTable(Admin admin, TableName tableName, String snapshotName)<a name="line.204"></a> +<span class="sourceLineNo">205</span> throws IOException {<a name="line.205"></a> +<span class="sourceLineNo">206</span> int maxAttempts =<a name="line.206"></a> +<span class="sourceLineNo">207</span> conf.getInt(BACKUP_MAX_ATTEMPTS_KEY, DEFAULT_BACKUP_MAX_ATTEMPTS);<a name="line.207"></a> +<span class="sourceLineNo">208</span> int pause =<a name="line.208"></a> +<span class="sourceLineNo">209</span> conf.getInt(BACKUP_ATTEMPTS_PAUSE_MS_KEY, DEFAULT_BACKUP_ATTEMPTS_PAUSE_MS);<a name="line.209"></a> +<span class="sourceLineNo">210</span> int attempts = 0;<a name="line.210"></a> +<span class="sourceLineNo">211</span><a name="line.211"></a> +<span class="sourceLineNo">212</span> while (attempts++ < maxAttempts) {<a name="line.212"></a> +<span class="sourceLineNo">213</span> try {<a name="line.213"></a> +<span class="sourceLineNo">214</span> admin.snapshot(snapshotName, tableName);<a name="line.214"></a> +<span class="sourceLineNo">215</span> return;<a name="line.215"></a> +<span class="sourceLineNo">216</span> } catch (IOException ee) {<a name="line.216"></a> +<span class="sourceLineNo">217</span> LOG.warn("Snapshot attempt " + attempts + " failed for table " + tableName<a name="line.217"></a> +<span class="sourceLineNo">218</span> + ", sleeping for " + pause + "ms", ee);<a name="line.218"></a> +<span class="sourceLineNo">219</span> if (attempts < maxAttempts) {<a name="line.219"></a> +<span class="sourceLineNo">220</span> try {<a name="line.220"></a> +<span class="sourceLineNo">221</span> Thread.sleep(pause);<a name="line.221"></a> +<span class="sourceLineNo">222</span> } catch (InterruptedException e) {<a name="line.222"></a> +<span class="sourceLineNo">223</span> Thread.currentThread().interrupt();<a name="line.223"></a> +<span class="sourceLineNo">224</span> break;<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> }<a name="line.227"></a> +<span class="sourceLineNo">228</span> }<a name="line.228"></a> +<span class="sourceLineNo">229</span> throw new IOException("Failed to snapshot table "+ tableName);<a name="line.229"></a> +<span class="sourceLineNo">230</span> }<a name="line.230"></a> +<span class="sourceLineNo">231</span>}<a name="line.231"></a>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/aa7ffc92/devapidocs/src-html/org/apache/hadoop/hbase/backup/impl/IncrementalBackupManager.NewestLogFilter.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/backup/impl/IncrementalBackupManager.NewestLogFilter.html b/devapidocs/src-html/org/apache/hadoop/hbase/backup/impl/IncrementalBackupManager.NewestLogFilter.html index 4febd01..ef680de 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/backup/impl/IncrementalBackupManager.NewestLogFilter.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/backup/impl/IncrementalBackupManager.NewestLogFilter.html @@ -71,203 +71,203 @@ <span class="sourceLineNo">063</span> * @return The new HashMap of RS log time stamps after the log roll for this incremental backup.<a name="line.63"></a> <span class="sourceLineNo">064</span> * @throws IOException exception<a name="line.64"></a> <span class="sourceLineNo">065</span> */<a name="line.65"></a> -<span class="sourceLineNo">066</span> public HashMap<String, Long> getIncrBackupLogFileMap()<a name="line.66"></a> -<span class="sourceLineNo">067</span> throws IOException {<a name="line.67"></a> -<span class="sourceLineNo">068</span> List<String> logList;<a name="line.68"></a> -<span class="sourceLineNo">069</span> HashMap<String, Long> newTimestamps;<a name="line.69"></a> -<span class="sourceLineNo">070</span> HashMap<String, Long> previousTimestampMins;<a name="line.70"></a> -<span class="sourceLineNo">071</span><a name="line.71"></a> -<span class="sourceLineNo">072</span> String savedStartCode = readBackupStartCode();<a name="line.72"></a> -<span class="sourceLineNo">073</span><a name="line.73"></a> -<span class="sourceLineNo">074</span> // key: tableName<a name="line.74"></a> -<span class="sourceLineNo">075</span> // value: <RegionServer,PreviousTimeStamp><a name="line.75"></a> -<span class="sourceLineNo">076</span> HashMap<TableName, HashMap<String, Long>> previousTimestampMap = readLogTimestampMap();<a name="line.76"></a> -<span class="sourceLineNo">077</span><a name="line.77"></a> -<span class="sourceLineNo">078</span> previousTimestampMins = BackupUtils.getRSLogTimestampMins(previousTimestampMap);<a name="line.78"></a> -<span class="sourceLineNo">079</span><a name="line.79"></a> -<span class="sourceLineNo">080</span> if (LOG.isDebugEnabled()) {<a name="line.80"></a> -<span class="sourceLineNo">081</span> LOG.debug("StartCode " + savedStartCode + "for backupID " + backupInfo.getBackupId());<a name="line.81"></a> -<span class="sourceLineNo">082</span> }<a name="line.82"></a> -<span class="sourceLineNo">083</span> // get all new log files from .logs and .oldlogs after last TS and before new timestamp<a name="line.83"></a> -<span class="sourceLineNo">084</span> if (savedStartCode == null || previousTimestampMins == null<a name="line.84"></a> -<span class="sourceLineNo">085</span> || previousTimestampMins.isEmpty()) {<a name="line.85"></a> -<span class="sourceLineNo">086</span> throw new IOException(<a name="line.86"></a> -<span class="sourceLineNo">087</span> "Cannot read any previous back up timestamps from backup system table. "<a name="line.87"></a> -<span class="sourceLineNo">088</span> + "In order to create an incremental backup, at least one full backup is needed.");<a name="line.88"></a> -<span class="sourceLineNo">089</span> }<a name="line.89"></a> -<span class="sourceLineNo">090</span><a name="line.90"></a> -<span class="sourceLineNo">091</span> LOG.info("Execute roll log procedure for incremental backup ...");<a name="line.91"></a> -<span class="sourceLineNo">092</span> HashMap<String, String> props = new HashMap<String, String>();<a name="line.92"></a> -<span class="sourceLineNo">093</span> props.put("backupRoot", backupInfo.getBackupRootDir());<a name="line.93"></a> -<span class="sourceLineNo">094</span><a name="line.94"></a> -<span class="sourceLineNo">095</span> try (Admin admin = conn.getAdmin()) {<a name="line.95"></a> -<span class="sourceLineNo">096</span> admin.execProcedure(LogRollMasterProcedureManager.ROLLLOG_PROCEDURE_SIGNATURE,<a name="line.96"></a> -<span class="sourceLineNo">097</span> LogRollMasterProcedureManager.ROLLLOG_PROCEDURE_NAME, props);<a name="line.97"></a> -<span class="sourceLineNo">098</span> }<a name="line.98"></a> -<span class="sourceLineNo">099</span> newTimestamps = readRegionServerLastLogRollResult();<a name="line.99"></a> -<span class="sourceLineNo">100</span><a name="line.100"></a> -<span class="sourceLineNo">101</span> logList = getLogFilesForNewBackup(previousTimestampMins, newTimestamps, conf, savedStartCode);<a name="line.101"></a> -<span class="sourceLineNo">102</span> List<WALItem> logFromSystemTable =<a name="line.102"></a> -<span class="sourceLineNo">103</span> getLogFilesFromBackupSystem(previousTimestampMins, newTimestamps, getBackupInfo()<a name="line.103"></a> -<span class="sourceLineNo">104</span> .getBackupRootDir());<a name="line.104"></a> -<span class="sourceLineNo">105</span> logList = excludeAlreadyBackedUpWALs(logList, logFromSystemTable);<a name="line.105"></a> -<span class="sourceLineNo">106</span> backupInfo.setIncrBackupFileList(logList);<a name="line.106"></a> -<span class="sourceLineNo">107</span><a name="line.107"></a> -<span class="sourceLineNo">108</span> return newTimestamps;<a name="line.108"></a> -<span class="sourceLineNo">109</span> }<a name="line.109"></a> -<span class="sourceLineNo">110</span><a name="line.110"></a> -<span class="sourceLineNo">111</span> /**<a name="line.111"></a> -<span class="sourceLineNo">112</span> * Get list of WAL files eligible for incremental backup<a name="line.112"></a> +<span class="sourceLineNo">066</span> public HashMap<String, Long> getIncrBackupLogFileMap() throws IOException {<a name="line.66"></a> +<span class="sourceLineNo">067</span> List<String> logList;<a name="line.67"></a> +<span class="sourceLineNo">068</span> HashMap<String, Long> newTimestamps;<a name="line.68"></a> +<span class="sourceLineNo">069</span> HashMap<String, Long> previousTimestampMins;<a name="line.69"></a> +<span class="sourceLineNo">070</span><a name="line.70"></a> +<span class="sourceLineNo">071</span> String savedStartCode = readBackupStartCode();<a name="line.71"></a> +<span class="sourceLineNo">072</span><a name="line.72"></a> +<span class="sourceLineNo">073</span> // key: tableName<a name="line.73"></a> +<span class="sourceLineNo">074</span> // value: <RegionServer,PreviousTimeStamp><a name="line.74"></a> +<span class="sourceLineNo">075</span> HashMap<TableName, HashMap<String, Long>> previousTimestampMap = readLogTimestampMap();<a name="line.75"></a> +<span class="sourceLineNo">076</span><a name="line.76"></a> +<span class="sourceLineNo">077</span> previousTimestampMins = BackupUtils.getRSLogTimestampMins(previousTimestampMap);<a name="line.77"></a> +<span class="sourceLineNo">078</span><a name="line.78"></a> +<span class="sourceLineNo">079</span> if (LOG.isDebugEnabled()) {<a name="line.79"></a> +<span class="sourceLineNo">080</span> LOG.debug("StartCode " + savedStartCode + "for backupID " + backupInfo.getBackupId());<a name="line.80"></a> +<span class="sourceLineNo">081</span> }<a name="line.81"></a> +<span class="sourceLineNo">082</span> // get all new log files from .logs and .oldlogs after last TS and before new timestamp<a name="line.82"></a> +<span class="sourceLineNo">083</span> if (savedStartCode == null || previousTimestampMins == null<a name="line.83"></a> +<span class="sourceLineNo">084</span> || previousTimestampMins.isEmpty()) {<a name="line.84"></a> +<span class="sourceLineNo">085</span> throw new IOException(<a name="line.85"></a> +<span class="sourceLineNo">086</span> "Cannot read any previous back up timestamps from backup system table. 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LogRollMasterProcedureManager.ROLLLOG_PROCEDURE_NAME, props);<a name="line.96"></a> +<span class="sourceLineNo">097</span> }<a name="line.97"></a> +<span class="sourceLineNo">098</span> newTimestamps = readRegionServerLastLogRollResult();<a name="line.98"></a> +<span class="sourceLineNo">099</span><a name="line.99"></a> +<span class="sourceLineNo">100</span> logList = getLogFilesForNewBackup(previousTimestampMins, newTimestamps, conf, savedStartCode);<a name="line.100"></a> +<span class="sourceLineNo">101</span> List<WALItem> logFromSystemTable =<a name="line.101"></a> +<span class="sourceLineNo">102</span> getLogFilesFromBackupSystem(previousTimestampMins, newTimestamps, getBackupInfo()<a name="line.102"></a> +<span class="sourceLineNo">103</span> .getBackupRootDir());<a name="line.103"></a> +<span class="sourceLineNo">104</span> logList = excludeAlreadyBackedUpWALs(logList, logFromSystemTable);<a name="line.104"></a> +<span class="sourceLineNo">105</span> backupInfo.setIncrBackupFileList(logList);<a name="line.105"></a> +<span class="sourceLineNo">106</span><a name="line.106"></a> +<span class="sourceLineNo">107</span> return newTimestamps;<a name="line.107"></a> +<span class="sourceLineNo">108</span> }<a name="line.108"></a> +<span class="sourceLineNo">109</span><a name="line.109"></a> +<span class="sourceLineNo">110</span> /**<a name="line.110"></a> +<span class="sourceLineNo">111</span> * Get list of WAL files eligible for incremental backup.<a name="line.111"></a> +<span class="sourceLineNo">112</span> *<a name="line.112"></a> <span class="sourceLineNo">113</span> * @return list of WAL files<a name="line.113"></a> -<span class="sourceLineNo">114</span> * @throws IOException<a name="line.114"></a> +<span class="sourceLineNo">114</span> * @throws IOException if getting the list of WAL files fails<a name="line.114"></a> <span class="sourceLineNo">115</span> */<a name="line.115"></a> -<span class="sourceLineNo">116</span> public List<String> getIncrBackupLogFileList()<a name="line.116"></a> -<span class="sourceLineNo">117</span> throws IOException {<a name="line.117"></a> -<span class="sourceLineNo">118</span> List<String> logList;<a name="line.118"></a> -<span class="sourceLineNo">119</span> HashMap<String, Long> newTimestamps;<a name="line.119"></a> -<span class="sourceLineNo">120</span> HashMap<String, Long> previousTimestampMins;<a name="line.120"></a> -<span class="sourceLineNo">121</span><a name="line.121"></a> -<span class="sourceLineNo">122</span> String savedStartCode = readBackupStartCode();<a name="line.122"></a> -<span class="sourceLineNo">123</span><a name="line.123"></a> -<span class="sourceLineNo">124</span> // key: tableName<a name="line.124"></a> -<span class="sourceLineNo">125</span> // value: <RegionServer,PreviousTimeStamp><a name="line.125"></a> -<span class="sourceLineNo">126</span> HashMap<TableName, HashMap<String, Long>> previousTimestampMap = readLogTimestampMap();<a name="line.126"></a> -<span class="sourceLineNo">127</span><a name="line.127"></a> -<span class="sourceLineNo">128</span> previousTimestampMins = BackupUtils.getRSLogTimestampMins(previousTimestampMap);<a name="line.128"></a> -<span class="sourceLineNo">129</span><a name="line.129"></a> -<span class="sourceLineNo">130</span> if (LOG.isDebugEnabled()) {<a name="line.130"></a> -<span class="sourceLineNo">131</span> LOG.debug("StartCode " + savedStartCode + "for backupID " + backupInfo.getBackupId());<a name="line.131"></a> -<span class="sourceLineNo">132</span> }<a name="line.132"></a> -<span class="sourceLineNo">133</span> // get all new log files from .logs and .oldlogs after last TS and before new timestamp<a name="line.133"></a> -<span class="sourceLineNo">134</span> if (savedStartCode == null || previousTimestampMins == null<a name="line.134"></a> -<span class="sourceLineNo">135</span> || previousTimestampMins.isEmpty()) {<a name="line.135"></a> -<span class="sourceLineNo">136</span> throw new IOException(<a name="line.136"></a> -<span class="sourceLineNo">137</span> "Cannot read any previous back up timestamps from backup system table. "<a name="line.137"></a> -<span class="sourceLineNo">138</span> + "In order to create an incremental backup, at least one full backup is needed.");<a name="line.138"></a> -<span class="sourceLineNo">139</span> }<a name="line.139"></a> -<span class="sourceLineNo">140</span><a name="line.140"></a> -<span class="sourceLineNo">141</span> newTimestamps = readRegionServerLastLogRollResult();<a name="line.141"></a> -<span class="sourceLineNo">142</span><a name="line.142"></a> -<span class="sourceLineNo">143</span> logList = getLogFilesForNewBackup(previousTimestampMins, newTimestamps, conf, savedStartCode);<a name="line.143"></a> -<span class="sourceLineNo">144</span> List<WALItem> logFromSystemTable =<a name="line.144"></a> -<span class="sourceLineNo">145</span> getLogFilesFromBackupSystem(previousTimestampMins, newTimestamps, getBackupInfo()<a name="line.145"></a> -<span class="sourceLineNo">146</span> .getBackupRootDir());<a name="line.146"></a> -<span class="sourceLineNo">147</span><a name="line.147"></a> -<span class="sourceLineNo">148</span> logList = excludeAlreadyBackedUpWALs(logList, logFromSystemTable);<a name="line.148"></a> -<span class="sourceLineNo">149</span> backupInfo.setIncrBackupFileList(logList);<a name="line.149"></a> -<span class="sourceLineNo">150</span><a name="line.150"></a> -<span class="sourceLineNo">151</span> return logList;<a name="line.151"></a> -<span class="sourceLineNo">152</span> }<a name="line.152"></a> +<span class="sourceLineNo">116</span> public List<String> getIncrBackupLogFileList() throws IOException {<a name="line.116"></a> +<span class="sourceLineNo">117</span> List<String> logList;<a name="line.117"></a> +<span class="sourceLineNo">118</span> HashMap<String, Long> newTimestamps;<a name="line.118"></a> +<span class="sourceLineNo">119</span> HashMap<String, Long> previousTimestampMins;<a name="line.119"></a> +<span class="sourceLineNo">120</span><a name="line.120"></a> +<span class="sourceLineNo">121</span> String savedStartCode = readBackupStartCode();<a name="line.121"></a> +<span class="sourceLineNo">122</span><a name="line.122"></a> +<span class="sourceLineNo">123</span> // key: tableName<a name="line.123"></a> +<span class="sourceLineNo">124</span> // value: <RegionServer,PreviousTimeStamp><a name="line.124"></a> +<span class="sourceLineNo">125</span> HashMap<TableName, HashMap<String, Long>> previousTimestampMap = readLogTimestampMap();<a name="line.125"></a> +<span class="sourceLineNo">126</span><a name="line.126"></a> +<span class="sourceLineNo">127</span> previousTimestampMins = BackupUtils.getRSLogTimestampMins(previousTimestampMap);<a name="line.127"></a> +<span class="sourceLineNo">128</span><a name="line.128"></a> +<span class="sourceLineNo">129</span> if (LOG.isDebugEnabled()) {<a name="line.129"></a> +<span class="sourceLineNo">130</span> LOG.debug("StartCode " + savedStartCode + "for backupID " + backupInfo.getBackupId());<a name="line.130"></a> +<span class="sourceLineNo">131</span> }<a name="line.131"></a> +<span class="sourceLineNo">132</span> // get all new log files from .logs and .oldlogs after last TS and before new timestamp<a name="line.132"></a> +<span class="sourceLineNo">133</span> if (savedStartCode == null || previousTimestampMins == null<a name="line.133"></a> +<span class="sourceLineNo">134</span> || previousTimestampMins.isEmpty()) {<a name="line.134"></a> +<span class="sourceLineNo">135</span> throw new IOException(<a name="line.135"></a> +<span class="sourceLineNo">136</span> "Cannot read any previous back up timestamps from backup system table. "<a name="line.136"></a> +<span class="sourceLineNo">137</span> + "In order to create an incremental backup, at least one full backup is needed.");<a name="line.137"></a> +<span class="sourceLineNo">138</span> }<a name="line.138"></a> +<span class="sourceLineNo">139</span><a name="line.139"></a> +<span class="sourceLineNo">140</span> newTimestamps = readRegionServerLastLogRollResult();<a name="line.140"></a> +<span class="sourceLineNo">141</span><a name="line.141"></a> +<span class="sourceLineNo">142</span> logList = getLogFilesForNewBackup(previousTimestampMins, newTimestamps, conf, savedStartCode);<a name="line.142"></a> +<span class="sourceLineNo">143</span> List<WALItem> logFromSystemTable =<a name="line.143"></a> +<span class="sourceLineNo">144</span> getLogFilesFromBackupSystem(previousTimestampMins, newTimestamps, getBackupInfo()<a name="line.144"></a> +<span class="sourceLineNo">145</span> .getBackupRootDir());<a name="line.145"></a> +<span class="sourceLineNo">146</span><a name="line.146"></a> +<span class="sourceLineNo">147</span> logList = excludeAlreadyBackedUpWALs(logList, logFromSystemTable);<a name="line.147"></a> +<span class="sourceLineNo">148</span> backupInfo.setIncrBackupFileList(logList);<a name="line.148"></a> +<span class="sourceLineNo">149</span><a name="line.149"></a> +<span class="sourceLineNo">150</span> return logList;<a name="line.150"></a> +<span class="sourceLineNo">151</span> }<a name="line.151"></a> +<span class="sourceLineNo">152</span><a name="line.152"></a> <span class="sourceLineNo">153</span><a name="line.153"></a> -<span class="sourceLineNo">154</span><a name="line.154"></a> -<span class="sourceLineNo">155</span> private List<String> excludeAlreadyBackedUpWALs(List<String> logList,<a name="line.155"></a> -<span class="sourceLineNo">156</span> List<WALItem> logFromSystemTable) {<a name="line.156"></a> +<span class="sourceLineNo">154</span> private List<String> excludeAlreadyBackedUpWALs(List<String> logList,<a name="line.154"></a> +<span class="sourceLineNo">155</span> List<WALItem> logFromSystemTable) {<a name="line.155"></a> +<span class="sourceLineNo">156</span> Set<String> walFileNameSet = convertToSet(logFromSystemTable);<a name="line.156"></a> <span class="sourceLineNo">157</span><a name="line.157"></a> -<span class="sourceLineNo">158</span> Set<String> walFileNameSet = convertToSet(logFromSystemTable);<a name="line.158"></a> -<span class="sourceLineNo">159</span><a name="line.159"></a> -<span class="sourceLineNo">160</span> List<String> list = new ArrayList<String>();<a name="line.160"></a> -<span class="sourceLineNo">161</span> for (int i=0; i < logList.size(); i++) {<a name="line.161"></a> -<span class="sourceLineNo">162</span> Path p = new Path(logList.get(i));<a name="line.162"></a> -<span class="sourceLineNo">163</span> String name = p.getName();<a name="line.163"></a> -<span class="sourceLineNo">164</span> if (walFileNameSet.contains(name)) continue;<a name="line.164"></a> -<span class="sourceLineNo">165</span> list.add(logList.get(i));<a name="line.165"></a> -<span class="sourceLineNo">166</span> }<a name="line.166"></a> -<span class="sourceLineNo">167</span> return list;<a name="line.167"></a> -<span class="sourceLineNo">168</span> }<a name="line.168"></a> -<span class="sourceLineNo">169</span><a name="line.169"></a> -<span class="sourceLineNo">170</span> /**<a name="line.170"></a> -<span class="sourceLineNo">171</span> * Create Set of WAL file names (not full path names)<a name="line.171"></a> -<span class="sourceLineNo">172</span> * @param logFromSystemTable<a name="line.172"></a> -<span class="sourceLineNo">173</span> * @return set of WAL file names<a name="line.173"></a> -<span class="sourceLineNo">174</span> */<a name="line.174"></a> -<span class="sourceLineNo">175</span> private Set<String> convertToSet(List<WALItem> logFromSystemTable) {<a name="line.175"></a> -<span class="sourceLineNo">176</span><a name="line.176"></a> -<span class="sourceLineNo">177</span> Set<String> set = new HashSet<String>();<a name="line.177"></a> -<span class="sourceLineNo">178</span> for (int i=0; i < logFromSystemTable.size(); i++) {<a name="line.178"></a> -<span class="sourceLineNo">179</span> WALItem item = logFromSystemTable.get(i);<a name="line.179"></a> -<span class="sourceLineNo">180</span> set.add(item.walFile);<a name="line.180"></a> -<span class="sourceLineNo">181</span> }<a name="line.181"></a> -<span class="sourceLineNo">182</span> return set;<a name="line.182"></a> -<span class="sourceLineNo">183</span> }<a name="line.183"></a> -<span class="sourceLineNo">184</span><a name="line.184"></a> -<span class="sourceLineNo">185</span> /**<a name="line.185"></a> -<span class="sourceLineNo">186</span> * For each region server: get all log files newer than the last timestamps, but not newer than<a name="line.186"></a> -<span class="sourceLineNo">187</span> * the newest timestamps.<a name="line.187"></a> -<span class="sourceLineNo">188</span> * @param olderTimestamps timestamp map for each region server of the last backup.<a name="line.188"></a> -<span class="sourceLineNo">189</span> * @param newestTimestamps timestamp map for each region server that the backup should lead to.<a name="line.189"></a> -<span class="sourceLineNo">190</span> * @return list of log files which needs to be added to this backup<a name="line.190"></a> -<span class="sourceLineNo">191</span> * @throws IOException<a name="line.191"></a> -<span class="sourceLineNo">192</span> */<a name="line.192"></a> -<span class="sourceLineNo">193</span> private List<WALItem> getLogFilesFromBackupSystem(HashMap<String, Long> olderTimestamps,<a name="line.193"></a> -<span class="sourceLineNo">194</span> HashMap<String, Long> newestTimestamps, String backupRoot) throws IOException {<a name="line.194"></a> -<span class="sourceLineNo">195</span> List<WALItem> logFiles = new ArrayList<WALItem>();<a name="line.195"></a> -<span class="sourceLineNo">196</span> Iterator<WALItem> it = getWALFilesFromBackupSystem();<a name="line.196"></a> -<span class="sourceLineNo">197</span> while (it.hasNext()) {<a name="line.197"></a> -<span class="sourceLineNo">198</span> WALItem item = it.next();<a name="line.198"></a> -<span class="sourceLineNo">199</span> String rootDir = item.getBackupRoot();<a name="line.199"></a> -<span class="sourceLineNo">200</span> if (!rootDir.equals(backupRoot)) {<a name="line.200"></a> -<span class="sourceLineNo">201</span> continue;<a name="line.201"></a> -<span class="sourceLineNo">202</span> }<a name="line.202"></a> -<span class="sourceLineNo">203</span> String walFileName = item.getWalFile();<a name="line.203"></a> -<span class="sourceLineNo">204</span> String server = BackupUtils.parseHostNameFromLogFile(new Path(walFileName));<a name="line.204"></a> -<span class="sourceLineNo">205</span> if (server == null) {<a name="line.205"></a> -<span class="sourceLineNo">206</span> continue;<a name="line.206"></a> -<span class="sourceLineNo">207</span> }<a name="line.207"></a> -<span class="sourceLineNo">208</span> Long tss = getTimestamp(walFileName);<a name="line.208"></a> -<span class="sourceLineNo">209</span> Long oldTss = olderTimestamps.get(server);<a name="line.209"></a> -<span class="sourceLineNo">210</span> Long newTss = newestTimestamps.get(server);<a name="line.210"></a> -<span class="sourceLineNo">211</span> if (oldTss == null) {<a name="line.211"></a> -<span class="sourceLineNo">212</span> logFiles.add(item);<a name="line.212"></a> -<span class="sourceLineNo">213</span> continue;<a name="line.213"></a> -<span class="sourceLineNo">214</span> }<a name="line.214"></a> -<span class="sourceLineNo">215</span> if (newTss == null) {<a name="line.215"></a> -<span class="sourceLineNo">216</span> newTss = Long.MAX_VALUE;<a name="line.216"></a> -<span class="sourceLineNo">217</span> }<a name="line.217"></a> -<span class="sourceLineNo">218</span> if (tss > oldTss && tss < newTss) {<a name="line.218"></a> -<span class="sourceLineNo">219</span> logFiles.add(item);<a name="line.219"></a> -<span class="sourceLineNo">220</span> }<a name="line.220"></a> -<span class="sourceLineNo">221</span> }<a name="line.221"></a> -<span class="sourceLineNo">222</span> return logFiles;<a name="line.222"></a> -<span class="sourceLineNo">223</span> }<a name="line.223"></a> -<span class="sourceLineNo">224</span><a name="line.224"></a> -<span class="sourceLineNo">225</span> private Long getTimestamp(String walFileName) {<a name="line.225"></a> -<span class="sourceLineNo">226</span> int index = walFileName.lastIndexOf(BackupUtils.LOGNAME_SEPARATOR);<a name="line.226"></a> -<span class="sourceLineNo">227</span> return Long.parseLong(walFileName.substring(index + 1));<a name="line.227"></a> -<span class="sourceLineNo">228</span> }<a name="line.228"></a> -<span class="sourceLineNo">229</span><a name="line.229"></a> -<span class="sourceLineNo">230</span> /**<a name="line.230"></a> -<span class="sourceLineNo">231</span> * For each region server: get all log files newer than the last timestamps but not newer than the<a name="line.231"></a> -<span class="sourceLineNo">232</span> * newest timestamps.<a name="line.232"></a> -<span class="sourceLineNo">233</span> * @param olderTimestamps the timestamp for each region server of the last backup.<a name="line.233"></a> -<span class="sourceLineNo">234</span> * @param newestTimestamps the timestamp for each region server that the backup should lead to.<a name="line.234"></a> -<span class="sourceLineNo">235</span> * @param conf the Hadoop and Hbase configuration<a name="line.235"></a> -<span class="sourceLineNo">236</span> * @param savedStartCode the startcode (timestamp) of last successful backup.<a name="line.236"></a> -<span class="sourceLineNo">237</span> * @return a list of log files to be backed up<a name="line.237"></a> -<span class="sourceLineNo">238</span> * @throws IOException exception<a name="line.238"></a> -<span class="sourceLineNo">239</span> */<a name="line.239"></a> -<span class="sourceLineNo">240</span> private List<String> getLogFilesForNewBackup(HashMap<String, Long> olderTimestamps,<a name="line.240"></a> -<span class="sourceLineNo">241</span> HashMap<String, Long> newestTimestamps, Configuration conf, String savedStartCode)<a name="line.241"></a> -<span class="sourceLineNo">242</span> throws IOException {<a name="line.242"></a> -<span class="sourceLineNo">243</span> LOG.debug("In getLogFilesForNewBackup()\n" + "olderTimestamps: " + olderTimestamps<a name="line.243"></a> -<span class="sourceLineNo">244</span> + "\n newestTimestamps: " + newestTimestamps);<a name="line.244"></a> -<span class="sourceLineNo">245</span> Path rootdir = FSUtils.getRootDir(conf);<a name="line.245"></a> -<span class="sourceLineNo">246</span> Path logDir = new Path(rootdir, HConstants.HREGION_LOGDIR_NAME);<a name="line.246"></a> -<span class="sourceLineNo">247</span> Path oldLogDir = new Path(rootdir, HConstants.HREGION_OLDLOGDIR_NAME);<a name="line.247"></a> -<span class="sourceLineNo">248</span> FileSystem fs = rootdir.getFileSystem(conf);<a name="line.248"></a> -<span class="sourceLineNo">249</span> NewestLogFilter pathFilter = new NewestLogFilter();<a name="line.249"></a> -<span class="sourceLineNo">250</span><a name="line.250"></a> -<span class="sourceLineNo">251</span> List<String> resultLogFiles = new ArrayList<String>();<a name="line.251"></a> -<span class="sourceLineNo">252</span> List<String> newestLogs = new ArrayList<String>();<a name="line.252"></a> -<span class="sourceLineNo">253</span><a name="line.253"></a> -<span class="sourceLineNo">254</span> /*<a name="line.254"></a> -<span class="sourceLineNo">255</span> * The old region servers and timestamps info we kept in backup system table may be out of sync<a name="line.255"></a> -<span class="sourceLineNo">256</span> * if new region server is added or existing one lost. We'll deal with it here when processing<a name="line.256"></a> -<span class="sourceLineNo">257</span> * the logs. If data in backup system table has more hosts, just ignore it. If the .logs<a name="line.257"></a> -<span class="sourceLineNo">258</span> * directory includes more hosts, the additional hosts will not have old timestamps to compare<a name="line.258"></a> -<span class="sourceLineNo">259</span> * with. We'll just use all the logs in that directory. 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name="line.165"></a> +<span class="sourceLineNo">166</span><a name="line.166"></a> +<span class="sourceLineNo">167</span> list.add(logList.get(i));<a name="line.167"></a> +<span class="sourceLineNo">168</span> }<a name="line.168"></a> +<span class="sourceLineNo">169</span> return list;<a name="line.169"></a> +<span class="sourceLineNo">170</span> }<a name="line.170"></a> +<span class="sourceLineNo">171</span><a name="line.171"></a> +<span class="sourceLineNo">172</span> /**<a name="line.172"></a> +<span class="sourceLineNo">173</span> * Create Set of WAL file names (not full path names)<a name="line.173"></a> +<span class="sourceLineNo">174</span> * @param logFromSystemTable the logs from the system table to convert<a name="line.174"></a> +<span class="sourceLineNo">175</span> * @return set of WAL file names<a name="line.175"></a> +<span class="sourceLineNo">176</span> */<a name="line.176"></a> +<span class="sourceLineNo">177</span> private Set<String> convertToSet(List<WALItem> logFromSystemTable) {<a name="line.177"></a> +<span class="sourceLineNo">178</span> Set<String> set = new HashSet<>();<a name="line.178"></a> +<span class="sourceLineNo">179</span> for (int i=0; i < logFromSystemTable.size(); i++) {<a name="line.179"></a> +<span class="sourceLineNo">180</span> WALItem item = logFromSystemTable.get(i);<a name="line.180"></a> +<span class="sourceLineNo">181</span> set.add(item.walFile);<a name="line.181"></a> +<span class="sourceLineNo">182</span> }<a name="line.182"></a> +<span class="sourceLineNo">183</span> return set;<a name="line.183"></a> +<span class="sourceLineNo">184</span> }<a name="line.184"></a> +<span class="sourceLineNo">185</span><a name="line.185"></a> +<span class="sourceLineNo">186</span> /**<a name="line.186"></a> +<span class="sourceLineNo">187</span> * For each region server: get all log files newer than the last timestamps, but not newer than<a name="line.187"></a> +<span class="sourceLineNo">188</span> * the newest timestamps.<a name="line.188"></a> +<span class="sourceLineNo">189</span> * @param olderTimestamps timestamp map for each region server of the last backup.<a name="line.189"></a> +<span class="sourceLineNo">190</span> * @param newestTimestamps timestamp map for each region server that the backup should lead to.<a name="line.190"></a> +<span class="sourceLineNo">191</span> * @return list of log files which needs to be added to this backup<a name="line.191"></a> +<span class="sourceLineNo">192</span> * @throws IOException if getting the WAL files from the backup system fails<a name="line.192"></a> +<span class="sourceLineNo">193</span> */<a name="line.193"></a> +<span class="sourceLineNo">194</span> private List<WALItem> getLogFilesFromBackupSystem(HashMap<String, Long> olderTimestamps,<a name="line.194"></a> +<span class="sourceLineNo">195</span> HashMap<String, Long> newestTimestamps, String backupRoot) throws IOException {<a name="line.195"></a> +<span class="sourceLineNo">196</span> List<WALItem> logFiles = new ArrayList<>();<a name="line.196"></a> +<span class="sourceLineNo">197</span> Iterator<WALItem> it = getWALFilesFromBackupSystem();<a name="line.197"></a> +<span class="sourceLineNo">198</span> while (it.hasNext()) {<a name="line.198"></a> +<span class="sourceLineNo">199</span> WALItem item = it.next();<a name="line.199"></a> +<span class="sourceLineNo">200</span> String rootDir = item.getBackupRoot();<a name="line.200"></a> +<span class="sourceLineNo">201</span> if (!rootDir.equals(backupRoot)) {<a name="line.201"></a> +<span class="sourceLineNo">202</span> continue;<a name="line.202"></a> +<span class="sourceLineNo">203</span> }<a name="line.203"></a> +<span class="sourceLineNo">204</span> String walFileName = item.getWalFile();<a name="line.204"></a> +<span class="sourceLineNo">205</span> String server = BackupUtils.parseHostNameFromLogFile(new Path(walFileName));<a name="line.205"></a> +<span class="sourceLineNo">206</span> if (server == null) {<a name="line.206"></a> +<span class="sourceLineNo">207</span> continue;<a name="line.207"></a> +<span class="sourceLineNo">208</span> }<a name="line.208"></a> +<span class="sourceLineNo">209</span> Long tss = getTimestamp(walFileName);<a name="line.209"></a> +<span class="sourceLineNo">210</span> Long oldTss = olderTimestamps.get(server);<a name="line.210"></a> +<span class="sourceLineNo">211</span> Long newTss = newestTimestamps.get(server);<a name="line.211"></a> +<span class="sourceLineNo">212</span> if (oldTss == null) {<a name="line.212"></a> +<span class="sourceLineNo">213</span> logFiles.add(item);<a name="line.213"></a> +<span class="sourceLineNo">214</span> continue;<a name="line.214"></a> +<span class="sourceLineNo">215</span> }<a name="line.215"></a> +<span class="sourceLineNo">216</span> if (newTss == null) {<a name="line.216"></a> +<span class="sourceLineNo">217</span> newTss = Long.MAX_VALUE;<a name="line.217"></a> +<span class="sourceLineNo">218</span> }<a name="line.218"></a> +<span class="sourceLineNo">219</span> if (tss > oldTss && tss < newTss) {<a name="line.219"></a> +<span class="sourceLineNo">220</span> logFiles.add(item);<a name="line.220"></a> +<span class="sourceLineNo">221</span> }<a name="line.221"></a> +<span class="sourceLineNo">222</span> }<a name="line.222"></a> +<span class="sourceLineNo">223</span> return logFiles;<a name="line.223"></a> +<span class="sourceLineNo">224</span> }<a name="line.224"></a> +<span class="sourceLineNo">225</span><a name="line.225"></a> +<span class="sourceLineNo">226</span> private Long getTimestamp(String walFileName) {<a name="line.226"></a> +<span class="sourceLineNo">227</span> int index = walFileName.lastIndexOf(BackupUtils.LOGNAME_SEPARATOR);<a name="line.227"></a> +<span class="sourceLineNo">228</span> return Long.parseLong(walFileName.substring(index + 1));<a name="line.228"></a> +<span class="sourceLineNo">229</span> }<a name="line.229"></a> +<span class="sourceLineNo">230</span><a name="line.230"></a> +<span class="sourceLineNo">231</span> /**<a name="line.231"></a> +<span class="sourceLineNo">232</span> * For each region server: get all log files newer than the last timestamps but not newer than the<a name="line.232"></a> +<span class="sourceLineNo">233</span> * newest timestamps.<a name="line.233"></a> +<span class="sourceLineNo">234</span> * @param olderTimestamps the timestamp for each region server of the last backup.<a name="line.234"></a> +<span class="sourceLineNo">235</span> * @param newestTimestamps the timestamp for each region server that the backup should lead to.<a name="line.235"></a> +<span class="sourceLineNo">236</span> * @param conf the Hadoop and Hbase configuration<a name="line.236"></a> +<span class="sourceLineNo">237</span> * @param savedStartCode the startcode (timestamp) of last successful backup.<a name="line.237"></a> +<span class="sourceLineNo">238</span> * @return a list of log files to be backed up<a name="line.238"></a> +<span class="sourceLineNo">239</span> * @throws IOException exception<a name="line.239"></a> +<span class="sourceLineNo">240</span> */<a name="line.240"></a> +<span class="sourceLineNo">241</span> private List<String> getLogFilesForNewBackup(HashMap<String, Long> olderTimestamps,<a name="line.241"></a> +<span class="sourceLineNo">242</span> HashMap<String, Long> newestTimestamps, Configuration conf, String savedStartCode)<a name="line.242"></a> +<span class="sourceLineNo">243</span> throws IOException {<a name="line.243"></a> +<span class="sourceLineNo">244</span> LOG.debug("In getLogFilesForNewBackup()\n" + "olderTimestamps: " + olderTimestamps<a name="line.244"></a> +<span class="sourceLineNo">245</span> + "\n newestTimestamps: " + newestTimestamps);<a name="line.245"></a> +<span class="sourceLineNo">246</span> Path rootdir = FSUtils.getRootDir(conf);<a name="line.246"></a> +<span class="sourceLineNo">247</span> Path logDir = new Path(rootdir, HConstants.HREGION_LOGDIR_NAME);<a name="line.247"></a> +<span class="sourceLineNo">248</span> Path oldLogDir = new Path(rootdir, HConstants.HREGION_OLDLOGDIR_NAME);<a name="line.248"></a> +<span class="sourceLineNo">249</span> FileSystem fs = rootdir.getFileSystem(conf);<a name="line.249"></a> +<span class="sourceLineNo">250</span> NewestLogFilter pathFilter = new NewestLogFilter();<a name="line.250"></a> +<span class="sourceLineNo">251</span><a name="line.251"></a> +<span class="sourceLineNo">252</span> List<String> resultLogFiles = new ArrayList<>();<a name="line.252"></a> +<span class="sourceLineNo">253</span> List<String> newestLogs = new ArrayList<>();<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 old region servers and timestamps info we kept in backup system table may be out of sync<a name="line.256"></a> +<span class="sourceLineNo">257</span> * if new region server is added or existing one lost. We'll deal with it here when processing<a name="line.257"></a> +<span class="sourceLineNo">258</span> * the logs. If data in backup system table has more hosts, just ignore it. If the .logs<a name="line.258"></a> +<span class="sourceLineNo">259</span> * directory includes more hosts, the additional hosts will not have old timestamps to compare<a name="line.259"></a> +<span class="sourceLineNo">260</span> * with. We'll just use all the logs in that directory. We always write up-to-date region server<a name="line.260"></a> +<span class="sourceLineNo">261</span> * and timestamp info to backup system table at the end of successful backup.<a name="line.261"></a> +<span class="sourceLineNo">262</span> */<a name="line.262"></a> <span class="sourceLineNo">263</span> FileStatus[] rss;<a name="line.263"></a> <span class="sourceLineNo">264</span> Path p;<a name="line.264"></a> <span class="sourceLineNo">265</span> String host;<a name="line.265"></a> @@ -389,8 +389,7 @@ <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> }<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">384</span>}<a name="line.384"></a>
