http://git-wip-us.apache.org/repos/asf/hbase-site/blob/d0f1a9f6/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 e354b98..d875570 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 @@ -129,117 +129,116 @@ <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><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 = null;<a name="line.128"></a> -<span class="sourceLineNo">129</span> boolean firstBackup = false;<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. 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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">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><a name="line.205"></a> -<span class="sourceLineNo">206</span> protected void snapshotTable(Admin admin, TableName tableName, String snapshotName)<a name="line.206"></a> -<span class="sourceLineNo">207</span> throws IOException {<a name="line.207"></a> -<span class="sourceLineNo">208</span><a name="line.208"></a> -<span class="sourceLineNo">209</span> int maxAttempts =<a name="line.209"></a> -<span class="sourceLineNo">210</span> conf.getInt(BACKUP_MAX_ATTEMPTS_KEY, DEFAULT_BACKUP_MAX_ATTEMPTS);<a name="line.210"></a> -<span class="sourceLineNo">211</span> int pause =<a name="line.211"></a> -<span class="sourceLineNo">212</span> conf.getInt(BACKUP_ATTEMPTS_PAUSE_MS_KEY, DEFAULT_BACKUP_ATTEMPTS_PAUSE_MS);<a name="line.212"></a> -<span class="sourceLineNo">213</span> int attempts = 0;<a name="line.213"></a> -<span class="sourceLineNo">214</span><a name="line.214"></a> -<span class="sourceLineNo">215</span> while (attempts++ < maxAttempts) {<a name="line.215"></a> -<span class="sourceLineNo">216</span> try {<a name="line.216"></a> -<span class="sourceLineNo">217</span> admin.snapshot(snapshotName, tableName);<a name="line.217"></a> -<span class="sourceLineNo">218</span> return;<a name="line.218"></a> -<span class="sourceLineNo">219</span> } catch (IOException ee) {<a name="line.219"></a> -<span class="sourceLineNo">220</span> LOG.warn("Snapshot attempt " + attempts + " failed for table " + tableName<a name="line.220"></a> -<span class="sourceLineNo">221</span> + ", sleeping for " + pause + "ms", ee);<a name="line.221"></a> -<span class="sourceLineNo">222</span> if (attempts < maxAttempts) {<a name="line.222"></a> -<span class="sourceLineNo">223</span> try {<a name="line.223"></a> -<span class="sourceLineNo">224</span> Thread.sleep(pause);<a name="line.224"></a> -<span class="sourceLineNo">225</span> } catch (InterruptedException e) {<a name="line.225"></a> -<span class="sourceLineNo">226</span> Thread.currentThread().interrupt();<a name="line.226"></a> -<span class="sourceLineNo">227</span> break;<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> }<a name="line.231"></a> -<span class="sourceLineNo">232</span> throw new IOException("Failed to snapshot table "+ tableName);<a name="line.232"></a> -<span class="sourceLineNo">233</span> }<a name="line.233"></a> -<span class="sourceLineNo">234</span>}<a name="line.234"></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 class="sourceLineNo">210</span> int pause =<a name="line.210"></a> +<span class="sourceLineNo">211</span> conf.getInt(BACKUP_ATTEMPTS_PAUSE_MS_KEY, DEFAULT_BACKUP_ATTEMPTS_PAUSE_MS);<a name="line.211"></a> +<span class="sourceLineNo">212</span> int attempts = 0;<a name="line.212"></a> +<span class="sourceLineNo">213</span><a name="line.213"></a> +<span class="sourceLineNo">214</span> while (attempts++ < maxAttempts) {<a name="line.214"></a> +<span class="sourceLineNo">215</span> try {<a name="line.215"></a> +<span class="sourceLineNo">216</span> admin.snapshot(snapshotName, tableName);<a name="line.216"></a> +<span class="sourceLineNo">217</span> return;<a name="line.217"></a> +<span class="sourceLineNo">218</span> } catch (IOException ee) {<a name="line.218"></a> +<span class="sourceLineNo">219</span> LOG.warn("Snapshot attempt " + attempts + " failed for table " + tableName<a name="line.219"></a> +<span class="sourceLineNo">220</span> + ", sleeping for " + pause + "ms", ee);<a name="line.220"></a> +<span class="sourceLineNo">221</span> if (attempts < maxAttempts) {<a name="line.221"></a> +<span class="sourceLineNo">222</span> try {<a name="line.222"></a> +<span class="sourceLineNo">223</span> Thread.sleep(pause);<a name="line.223"></a> +<span class="sourceLineNo">224</span> } catch (InterruptedException e) {<a name="line.224"></a> +<span class="sourceLineNo">225</span> Thread.currentThread().interrupt();<a name="line.225"></a> +<span class="sourceLineNo">226</span> break;<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> }<a name="line.229"></a> +<span class="sourceLineNo">230</span> }<a name="line.230"></a> +<span class="sourceLineNo">231</span> throw new IOException("Failed to snapshot table "+ tableName);<a name="line.231"></a> +<span class="sourceLineNo">232</span> }<a name="line.232"></a> +<span class="sourceLineNo">233</span>}<a name="line.233"></a>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/d0f1a9f6/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 a6494b1..58f74d7 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 @@ -100,299 +100,297 @@ <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><a name="line.96"></a> -<span class="sourceLineNo">097</span> admin.execProcedure(LogRollMasterProcedureManager.ROLLLOG_PROCEDURE_SIGNATURE,<a name="line.97"></a> -<span class="sourceLineNo">098</span> LogRollMasterProcedureManager.ROLLLOG_PROCEDURE_NAME, props);<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> newTimestamps = readRegionServerLastLogRollResult();<a name="line.101"></a> -<span class="sourceLineNo">102</span><a name="line.102"></a> -<span class="sourceLineNo">103</span> logList = getLogFilesForNewBackup(previousTimestampMins, newTimestamps, conf, savedStartCode);<a name="line.103"></a> -<span class="sourceLineNo">104</span> List<WALItem> logFromSystemTable =<a name="line.104"></a> -<span class="sourceLineNo">105</span> getLogFilesFromBackupSystem(previousTimestampMins, newTimestamps, getBackupInfo()<a name="line.105"></a> -<span class="sourceLineNo">106</span> .getBackupRootDir());<a name="line.106"></a> -<span class="sourceLineNo">107</span> logList = excludeAlreadyBackedUpWALs(logList, logFromSystemTable);<a name="line.107"></a> -<span class="sourceLineNo">108</span> backupInfo.setIncrBackupFileList(logList);<a name="line.108"></a> -<span class="sourceLineNo">109</span><a name="line.109"></a> -<span class="sourceLineNo">110</span> return newTimestamps;<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> /**<a name="line.113"></a> -<span class="sourceLineNo">114</span> * Get list of WAL files eligible for incremental backup<a name="line.114"></a> -<span class="sourceLineNo">115</span> * @return list of WAL files<a name="line.115"></a> -<span class="sourceLineNo">116</span> * @throws IOException<a name="line.116"></a> -<span class="sourceLineNo">117</span> */<a name="line.117"></a> -<span class="sourceLineNo">118</span> public List<String> getIncrBackupLogFileList()<a name="line.118"></a> -<span class="sourceLineNo">119</span> throws IOException {<a name="line.119"></a> -<span class="sourceLineNo">120</span> List<String> logList;<a name="line.120"></a> -<span class="sourceLineNo">121</span> HashMap<String, Long> newTimestamps;<a name="line.121"></a> -<span class="sourceLineNo">122</span> HashMap<String, Long> previousTimestampMins;<a name="line.122"></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">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">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> String savedStartCode = readBackupStartCode();<a name="line.124"></a> -<span class="sourceLineNo">125</span><a name="line.125"></a> -<span class="sourceLineNo">126</span> // key: tableName<a name="line.126"></a> -<span class="sourceLineNo">127</span> // value: <RegionServer,PreviousTimeStamp><a name="line.127"></a> -<span class="sourceLineNo">128</span> HashMap<TableName, HashMap<String, Long>> previousTimestampMap = readLogTimestampMap();<a name="line.128"></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> previousTimestampMins = BackupUtils.getRSLogTimestampMins(previousTimestampMap);<a name="line.130"></a> -<span class="sourceLineNo">131</span><a name="line.131"></a> -<span class="sourceLineNo">132</span> if (LOG.isDebugEnabled()) {<a name="line.132"></a> -<span class="sourceLineNo">133</span> LOG.debug("StartCode " + savedStartCode + "for backupID " + backupInfo.getBackupId());<a name="line.133"></a> -<span class="sourceLineNo">134</span> }<a name="line.134"></a> -<span class="sourceLineNo">135</span> // get all new log files from .logs and .oldlogs after last TS and before new timestamp<a name="line.135"></a> -<span class="sourceLineNo">136</span> if (savedStartCode == null || previousTimestampMins == null<a name="line.136"></a> -<span class="sourceLineNo">137</span> || previousTimestampMins.isEmpty()) {<a name="line.137"></a> -<span class="sourceLineNo">138</span> throw new IOException(<a name="line.138"></a> -<span class="sourceLineNo">139</span> "Cannot read any previous back up timestamps from backup system table. "<a name="line.139"></a> -<span class="sourceLineNo">140</span> + "In order to create an incremental backup, at least one full backup is needed.");<a name="line.140"></a> -<span class="sourceLineNo">141</span> }<a name="line.141"></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> newTimestamps = readRegionServerLastLogRollResult();<a name="line.143"></a> -<span class="sourceLineNo">144</span><a name="line.144"></a> -<span class="sourceLineNo">145</span> logList = getLogFilesForNewBackup(previousTimestampMins, newTimestamps, conf, savedStartCode);<a name="line.145"></a> -<span class="sourceLineNo">146</span> List<WALItem> logFromSystemTable =<a name="line.146"></a> -<span class="sourceLineNo">147</span> getLogFilesFromBackupSystem(previousTimestampMins, newTimestamps, getBackupInfo()<a name="line.147"></a> -<span class="sourceLineNo">148</span> .getBackupRootDir());<a name="line.148"></a> -<span class="sourceLineNo">149</span><a name="line.149"></a> -<span class="sourceLineNo">150</span> logList = excludeAlreadyBackedUpWALs(logList, logFromSystemTable);<a name="line.150"></a> -<span class="sourceLineNo">151</span> backupInfo.setIncrBackupFileList(logList);<a name="line.151"></a> -<span class="sourceLineNo">152</span><a name="line.152"></a> -<span class="sourceLineNo">153</span> return logList;<a name="line.153"></a> -<span class="sourceLineNo">154</span> }<a name="line.154"></a> -<span class="sourceLineNo">155</span><a name="line.155"></a> -<span class="sourceLineNo">156</span><a name="line.156"></a> -<span class="sourceLineNo">157</span> private List<String> excludeAlreadyBackedUpWALs(List<String> logList,<a name="line.157"></a> -<span class="sourceLineNo">158</span> List<WALItem> logFromSystemTable) {<a name="line.158"></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">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">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> Set<String> walFileNameSet = convertToSet(logFromSystemTable);<a name="line.160"></a> -<span class="sourceLineNo">161</span><a name="line.161"></a> -<span class="sourceLineNo">162</span> List<String> list = new ArrayList<String>();<a name="line.162"></a> -<span class="sourceLineNo">163</span> for (int i=0; i < logList.size(); i++) {<a name="line.163"></a> -<span class="sourceLineNo">164</span> Path p = new Path(logList.get(i));<a name="line.164"></a> -<span class="sourceLineNo">165</span> String name = p.getName();<a name="line.165"></a> -<span class="sourceLineNo">166</span> if (walFileNameSet.contains(name)) continue;<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<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><a name="line.178"></a> -<span class="sourceLineNo">179</span> Set<String> set = new HashSet<String>();<a name="line.179"></a> -<span class="sourceLineNo">180</span> for (int i=0; i < logFromSystemTable.size(); i++) {<a name="line.180"></a> -<span class="sourceLineNo">181</span> WALItem item = logFromSystemTable.get(i);<a name="line.181"></a> -<span class="sourceLineNo">182</span> set.add(item.walFile);<a name="line.182"></a> -<span class="sourceLineNo">183</span> }<a name="line.183"></a> -<span class="sourceLineNo">184</span> return set;<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> /**<a name="line.187"></a> -<span class="sourceLineNo">188</span> * For each region server: get all log files newer than the last timestamps, but not newer than<a name="line.188"></a> -<span class="sourceLineNo">189</span> * the newest timestamps.<a name="line.189"></a> -<span class="sourceLineNo">190</span> * @param olderTimestamps timestamp map for each region server of the last backup.<a name="line.190"></a> -<span class="sourceLineNo">191</span> * @param newestTimestamps timestamp map for each region server that the backup should lead to.<a name="line.191"></a> -<span class="sourceLineNo">192</span> * @return list of log files which needs to be added to this backup<a name="line.192"></a> -<span class="sourceLineNo">193</span> * @throws IOException<a name="line.193"></a> -<span class="sourceLineNo">194</span> */<a name="line.194"></a> -<span class="sourceLineNo">195</span> private List<WALItem> getLogFilesFromBackupSystem(HashMap<String, Long> olderTimestamps,<a name="line.195"></a> -<span class="sourceLineNo">196</span> HashMap<String, Long> newestTimestamps, String backupRoot) throws IOException {<a name="line.196"></a> -<span class="sourceLineNo">197</span> List<WALItem> logFiles = new ArrayList<WALItem>();<a name="line.197"></a> -<span class="sourceLineNo">198</span> Iterator<WALItem> it = getWALFilesFromBackupSystem();<a name="line.198"></a> -<span class="sourceLineNo">199</span> while (it.hasNext()) {<a name="line.199"></a> -<span class="sourceLineNo">200</span> WALItem item = it.next();<a name="line.200"></a> -<span class="sourceLineNo">201</span> String rootDir = item.getBackupRoot();<a name="line.201"></a> -<span class="sourceLineNo">202</span> if (!rootDir.equals(backupRoot)) {<a name="line.202"></a> -<span class="sourceLineNo">203</span> continue;<a name="line.203"></a> -<span class="sourceLineNo">204</span> }<a name="line.204"></a> -<span class="sourceLineNo">205</span> String walFileName = item.getWalFile();<a name="line.205"></a> -<span class="sourceLineNo">206</span> String server = BackupUtils.parseHostNameFromLogFile(new Path(walFileName));<a name="line.206"></a> -<span class="sourceLineNo">207</span> if (server == null) {<a name="line.207"></a> -<span class="sourceLineNo">208</span> continue;<a name="line.208"></a> -<span class="sourceLineNo">209</span> }<a name="line.209"></a> -<span class="sourceLineNo">210</span> Long tss = getTimestamp(walFileName);<a name="line.210"></a> -<span class="sourceLineNo">211</span> Long oldTss = olderTimestamps.get(server);<a name="line.211"></a> -<span class="sourceLineNo">212</span> Long newTss = newestTimestamps.get(server);<a name="line.212"></a> -<span class="sourceLineNo">213</span> if (oldTss == null) {<a name="line.213"></a> -<span class="sourceLineNo">214</span> logFiles.add(item);<a name="line.214"></a> -<span class="sourceLineNo">215</span> continue;<a name="line.215"></a> -<span class="sourceLineNo">216</span> }<a name="line.216"></a> -<span class="sourceLineNo">217</span> if (newTss == null) {<a name="line.217"></a> -<span class="sourceLineNo">218</span> newTss = Long.MAX_VALUE;<a name="line.218"></a> -<span class="sourceLineNo">219</span> }<a name="line.219"></a> -<span class="sourceLineNo">220</span> if (tss > oldTss && tss < newTss) {<a name="line.220"></a> -<span class="sourceLineNo">221</span> logFiles.add(item);<a name="line.221"></a> -<span class="sourceLineNo">222</span> }<a name="line.222"></a> -<span class="sourceLineNo">223</span> }<a name="line.223"></a> -<span class="sourceLineNo">224</span> return logFiles;<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> private Long getTimestamp(String walFileName) {<a name="line.227"></a> -<span class="sourceLineNo">228</span> int index = walFileName.lastIndexOf(BackupUtils.LOGNAME_SEPARATOR);<a name="line.228"></a> -<span class="sourceLineNo">229</span> return Long.parseLong(walFileName.substring(index + 1));<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> /**<a name="line.232"></a> -<span class="sourceLineNo">233</span> * For each region server: get all log files newer than the last timestamps but not newer than the<a name="line.233"></a> -<span class="sourceLineNo">234</span> * newest timestamps.<a name="line.234"></a> -<span class="sourceLineNo">235</span> * @param olderTimestamps the timestamp for each region server of the last backup.<a name="line.235"></a> -<span class="sourceLineNo">236</span> * @param newestTimestamps the timestamp for each region server that the backup should lead to.<a name="line.236"></a> -<span class="sourceLineNo">237</span> * @param conf the Hadoop and Hbase configuration<a name="line.237"></a> -<span class="sourceLineNo">238</span> * @param savedStartCode the startcode (timestamp) of last successful backup.<a name="line.238"></a> -<span class="sourceLineNo">239</span> * @return a list of log files to be backed up<a name="line.239"></a> -<span class="sourceLineNo">240</span> * @throws IOException exception<a name="line.240"></a> -<span class="sourceLineNo">241</span> */<a name="line.241"></a> -<span class="sourceLineNo">242</span> private List<String> getLogFilesForNewBackup(HashMap<String, Long> olderTimestamps,<a name="line.242"></a> -<span class="sourceLineNo">243</span> HashMap<String, Long> newestTimestamps, Configuration conf, String savedStartCode)<a name="line.243"></a> -<span class="sourceLineNo">244</span> throws IOException {<a name="line.244"></a> -<span class="sourceLineNo">245</span> LOG.debug("In getLogFilesForNewBackup()\n" + "olderTimestamps: " + olderTimestamps<a name="line.245"></a> -<span class="sourceLineNo">246</span> + "\n newestTimestamps: " + newestTimestamps);<a name="line.246"></a> -<span class="sourceLineNo">247</span> Path rootdir = FSUtils.getRootDir(conf);<a name="line.247"></a> -<span class="sourceLineNo">248</span> Path logDir = new Path(rootdir, HConstants.HREGION_LOGDIR_NAME);<a name="line.248"></a> -<span class="sourceLineNo">249</span> Path oldLogDir = new Path(rootdir, HConstants.HREGION_OLDLOGDIR_NAME);<a name="line.249"></a> -<span class="sourceLineNo">250</span> FileSystem fs = rootdir.getFileSystem(conf);<a name="line.250"></a> -<span class="sourceLineNo">251</span> NewestLogFilter pathFilter = new NewestLogFilter();<a name="line.251"></a> -<span class="sourceLineNo">252</span><a name="line.252"></a> -<span class="sourceLineNo">253</span> List<String> resultLogFiles = new ArrayList<String>();<a name="line.253"></a> -<span class="sourceLineNo">254</span> List<String> newestLogs = new ArrayList<String>();<a name="line.254"></a> -<span class="sourceLineNo">255</span><a name="line.255"></a> -<span class="sourceLineNo">256</span> /*<a name="line.256"></a> -<span class="sourceLineNo">257</span> * The old region servers and timestamps info we kept in backup system table may be out of sync<a name="line.257"></a> -<span class="sourceLineNo">258</span> * if new region server is added or existing one lost. We'll deal with it here when processing<a name="line.258"></a> -<span class="sourceLineNo">259</span> * the logs. If data in backup system table has more hosts, just ignore it. If the .logs<a name="line.259"></a> -<span class="sourceLineNo">260</span> * directory includes more hosts, the additional hosts will not have old timestamps to compare<a name="line.260"></a> -<span class="sourceLineNo">261</span> * with. We'll just use all the logs in that directory. We always write up-to-date region server<a name="line.261"></a> -<span class="sourceLineNo">262</span> * and timestamp info to backup system table at the end of successful backup.<a name="line.262"></a> -<span class="sourceLineNo">263</span> */<a name="line.263"></a> -<span class="sourceLineNo">264</span><a name="line.264"></a> -<span class="sourceLineNo">265</span> FileStatus[] rss;<a name="line.265"></a> -<span class="sourceLineNo">266</span> Path p;<a name="line.266"></a> -<span class="sourceLineNo">267</span> String host;<a name="line.267"></a> -<span class="sourceLineNo">268</span> Long oldTimeStamp;<a name="line.268"></a> -<span class="sourceLineNo">269</span> String currentLogFile;<a name="line.269"></a> -<span class="sourceLineNo">270</span> long currentLogTS;<a name="line.270"></a> -<span class="sourceLineNo">271</span><a name="line.271"></a> -<span class="sourceLineNo">272</span> // Get the files in .logs.<a name="line.272"></a> -<span class="sourceLineNo">273</span> rss = fs.listStatus(logDir);<a name="line.273"></a> -<span class="sourceLineNo">274</span> for (FileStatus rs : rss) {<a name="line.274"></a> -<span class="sourceLineNo">275</span> p = rs.getPath();<a name="line.275"></a> -<span class="sourceLineNo">276</span> host = BackupUtils.parseHostNameFromLogFile(p);<a name="line.276"></a> -<span class="sourceLineNo">277</span> if (host == null) {<a name="line.277"></a> -<span class="sourceLineNo">278</span> continue;<a name="line.278"></a> -<span class="sourceLineNo">279</span> }<a name="line.279"></a> -<span class="sourceLineNo">280</span> FileStatus[] logs;<a name="line.280"></a> -<span class="sourceLineNo">281</span> oldTimeStamp = olderTimestamps.get(host);<a name="line.281"></a> -<span class="sourceLineNo">282</span> // It is possible that there is no old timestamp in backup system table for this host if<a name="line.282"></a> -<span class="sourceLineNo">283</span> // this region server is newly added after our last backup.<a name="line.283"></a> -<span class="sourceLineNo">284</span> if (oldTimeStamp == null) {<a name="line.284"></a> -<span class="sourceLineNo">285</span> logs = fs.listStatus(p);<a name="line.285"></a> -<span class="sourceLineNo">286</span> } else {<a name="line.286"></a> -<span class="sourceLineNo">287</span> pathFilter.setLastBackupTS(oldTimeStamp);<a name="line.287"></a> -<span class="sourceLineNo">288</span> logs = fs.listStatus(p, pathFilter);<a name="line.288"></a> -<span class="sourceLineNo">289</span> }<a name="line.289"></a> -<span class="sourceLineNo">290</span> for (FileStatus log : logs) {<a name="line.290"></a> -<span class="sourceLineNo">291</span> LOG.debug("currentLogFile: " + log.getPath().toString());<a name="line.291"></a> -<span class="sourceLineNo">292</span> if (AbstractFSWALProvider.isMetaFile(log.getPath())) {<a name="line.292"></a> -<span class="sourceLineNo">293</span> if (LOG.isDebugEnabled()) {<a name="line.293"></a> -<span class="sourceLineNo">294</span> LOG.debug("Skip hbase:meta log file: " + log.getPath().getName());<a name="line.294"></a> -<span class="sourceLineNo">295</span> }<a name="line.295"></a> -<span class="sourceLineNo">296</span> continue;<a name="line.296"></a> -<span class="sourceLineNo">297</span> }<a name="line.297"></a> -<span class="sourceLineNo">298</span> currentLogFile = log.getPath().toString();<a name="line.298"></a> -<span class="sourceLineNo">299</span> resultLogFiles.add(currentLogFile);<a name="line.299"></a> -<span class="sourceLineNo">300</span> currentLogTS = BackupUtils.getCreationTime(log.getPath());<a name="line.300"></a> -<span class="sourceLineNo">301</span> // newestTimestamps is up-to-date with the current list of hosts<a name="line.301"></a> -<span class="sourceLineNo">302</span> // so newestTimestamps.get(host) will not be null.<a name="line.302"></a> -<span class="sourceLineNo">303</span> if (currentLogTS > newestTimestamps.get(host)) {<a name="line.303"></a> -<span class="sourceLineNo">304</span> newestLogs.add(currentLogFile);<a name="line.304"></a> -<span class="sourceLineNo">305</span> }<a name="line.305"></a> -<span class="sourceLineNo">306</span> }<a name="line.306"></a> -<span class="sourceLineNo">307</span> }<a name="line.307"></a> -<span class="sourceLineNo">308</span><a name="line.308"></a> -<span class="sourceLineNo">309</span> // Include the .oldlogs files too.<a name="line.309"></a> -<span class="sourceLineNo">310</span> FileStatus[] oldlogs = fs.listStatus(oldLogDir);<a name="line.310"></a> -<span class="sourceLineNo">311</span> for (FileStatus oldlog : oldlogs) {<a name="line.311"></a> -<span class="sourceLineNo">312</span> p = oldlog.getPath();<a name="line.312"></a> -<span class="sourceLineNo">313</span> currentLogFile = p.toString();<a name="line.313"></a> -<span class="sourceLineNo">314</span> if (AbstractFSWALProvider.isMetaFile(p)) {<a name="line.314"></a> -<span class="sourceLineNo">315</span> if (LOG.isDebugEnabled()) {<a name="line.315"></a> -<span class="sourceLineNo">316</span> LOG.debug("Skip .meta log file: " + currentLogFile);<a name="line.316"></a> -<span class="sourceLineNo">317</span> }<a name="line.317"></a> -<span class="sourceLineNo">318</span> continue;<a name="line.318"></a> -<span class="sourceLineNo">319</span> }<a name="line.319"></a> -<span class="sourceLineNo">320</span> host = BackupUtils.parseHostFromOldLog(p);<a name="line.320"></a> -<span class="sourceLineNo">321</span> if (host == null) {<a name="line.321"></a> -<span class="sourceLineNo">322</span> continue;<a name="line.322"></a> -<span class="sourceLineNo">323</span> }<a name="line.323"></a> -<span class="sourceLineNo">324</span> currentLogTS = BackupUtils.getCreationTime(p);<a name="line.324"></a> -<span class="sourceLineNo">325</span> oldTimeStamp = olderTimestamps.get(host);<a name="line.325"></a> -<span class="sourceLineNo">326</span> /*<a name="line.326"></a> -<span class="sourceLineNo">327</span> * It is possible that there is no old timestamp in backup system table for this host. At the<a name="line.327"></a> -<span class="sourceLineNo">328</span> * time of our last backup operation, this rs did not exist. The reason can be one of the two:<a name="line.328"></a> -<span class="sourceLineNo">329</span> * 1. The rs already left/crashed. Its logs were moved to .oldlogs. 2. The rs was added after<a name="line.329"></a> -<span class="sourceLineNo">330</span> * our last backup.<a name="line.330"></a> -<span class="sourceLineNo">331</span> */<a name="line.331"></a> -<span class="sourceLineNo">332</span> if (oldTimeStamp == null) {<a name="line.332"></a> -<span class="sourceLineNo">333</span> if (currentLogTS < Long.parseLong(savedStartCode)) {<a name="line.333"></a> -<span class="sourceLineNo">334</span> // This log file is really old, its region server was before our last backup.<a name="line.334"></a> -<span class="sourceLineNo">335</span> continue;<a name="line.335"></a> -<span class="sourceLineNo">336</span> } else {<a name="line.336"></a> -<span class="sourceLineNo">337</span> resultLogFiles.add(currentLogFile);<a name="line.337"></a> -<span class="sourceLineNo">338</span> }<a name="line.338"></a> -<span class="sourceLineNo">339</span> } else if (currentLogTS > oldTimeStamp) {<a name="line.339"></a> -<span class="sourceLineNo">340</span> resultLogFiles.add(currentLogFile);<a name="line.340"></a> -<span class="sourceLineNo">341</span> }<a name="line.341"></a> -<span class="sourceLineNo">342</span><a name="line.342"></a> -<span class="sourceLineNo">343</span> // It is possible that a host in .oldlogs is an obsolete region server<a name="line.343"></a> -<span class="sourceLineNo">344</span> // so newestTimestamps.get(host) here can be null.<a name="line.344"></a> -<span class="sourceLineNo">345</span> // Even if these logs belong to a obsolete region server, we still need<a name="line.345"></a> -<span class="sourceLineNo">346</span> // to include they to avoid loss of edits for backup.<a name="line.346"></a> -<span class="sourceLineNo">347</span> Long newTimestamp = newestTimestamps.get(host);<a name="line.347"></a> -<span class="sourceLineNo">348</span> if (newTimestamp != null && currentLogTS > newTimestamp) {<a name="line.348"></a> -<span class="sourceLineNo">349</span> newestLogs.add(currentLogFile);<a name="line.349"></a> -<span class="sourceLineNo">350</span> }<a name="line.350"></a> -<span class="sourceLineNo">351</span> }<a name="line.351"></a> -<span class="sourceLineNo">352</span> // remove newest log per host because they are still in use<a name="line.352"></a> -<span class="sourceLineNo">353</span> resultLogFiles.removeAll(newestLogs);<a name="line.353"></a> -<span class="sourceLineNo">354</span> return resultLogFiles;<a name="line.354"></a> -<span class="sourceLineNo">355</span> }<a name="line.355"></a> -<span class="sourceLineNo">356</span><a name="line.356"></a> -<span class="sourceLineNo">357</span> static class NewestLogFilter implements PathFilter {<a name="line.357"></a> -<span class="sourceLineNo">358</span> private Long lastBackupTS = 0L;<a name="line.358"></a> -<span class="sourceLineNo">359</span><a name="line.359"></a> -<span class="sourceLineNo">360</span> public NewestLogFilter() {<a name="line.360"></a> -<span class="sourceLineNo">361</span> }<a name="line.361"></a> -<span class="sourceLineNo">362</span><a name="line.362"></a> -<span class="sourceLineNo">363</span> protected void setLastBackupTS(Long ts) {<a name="line.363"></a> -<span class="sourceLineNo">364</span> this.lastBackupTS = ts;<a name="line.364"></a> -<span class="sourceLineNo">365</span> }<a name="line.365"></a> -<span class="sourceLineNo">366</span><a name="line.366"></a> -<span class="sourceLineNo">367</span> @Override<a name="line.367"></a> -<span class="sourceLineNo">368</span> public boolean accept(Path path) {<a name="line.368"></a> -<span class="sourceLineNo">369</span> // skip meta table log -- ts.meta file<a name="line.369"></a> -<span class="sourceLineNo">370</span> if (AbstractFSWALProvider.isMetaFile(path)) {<a name="line.370"></a> -<span class="sourceLineNo">371</span> if (LOG.isDebugEnabled()) {<a name="line.371"></a> -<span class="sourceLineNo">372</span> LOG.debug("Skip .meta log file: " + path.getName());<a name="line.372"></a> -<span class="sourceLineNo">373</span> }<a name="line.373"></a> -<span class="sourceLineNo">374</span> return false;<a name="line.374"></a> -<span class="sourceLineNo">375</span> }<a name="line.375"></a> -<span class="sourceLineNo">376</span> long timestamp;<a name="line.376"></a> -<span class="sourceLineNo">377</span> try {<a name="line.377"></a> -<span class="sourceLineNo">378</span> timestamp = BackupUtils.getCreationTime(path);<a name="line.378"></a> -<span class="sourceLineNo">379</span> return timestamp > lastBackupTS;<a name="line.379"></a> -<span class="sourceLineNo">380</span> } catch (Exception e) {<a name="line.380"></a> -<span class="sourceLineNo">381</span> LOG.warn("Cannot read timestamp of log file " + path);<a name="line.381"></a> -<span class="sourceLineNo">382</span> return false;<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">386</span><a name="line.386"></a> -<span class="sourceLineNo">387</span>}<a name="line.387"></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. We always write up-to-date region server<a name="line.259"></a> +<span class="sourceLineNo">260</span> * and timestamp info to backup system table at the end of successful backup.<a name="line.260"></a> +<span class="sourceLineNo">261</span> */<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> +<span class="sourceLineNo">266</span> Long oldTimeStamp;<a name="line.266"></a> +<span class="sourceLineNo">267</span> String currentLogFile;<a name="line.267"></a> +<span class="sourceLineNo">268</span> long currentLogTS;<a name="line.268"></a> +<span class="sourceLineNo">269</span><a name="line.269"></a> +<span class="sourceLineNo">270</span> // Get the files in .logs.<a name="line.270"></a> +<span class="sourceLineNo">271</span> rss = fs.listStatus(logDir);<a name="line.271"></a> +<span class="sourceLineNo">272</span> for (FileStatus rs : rss) {<a name="line.272"></a> +<span class="sourceLineNo">273</span> p = rs.getPath();<a name="line.273"></a> +<span class="sourceLineNo">274</span> host = BackupUtils.parseHostNameFromLogFile(p);<a name="line.274"></a> +<span class="sourceLineNo">275</span> if (host == null) {<a name="line.275"></a> +<span class="sourceLineNo">276</span> continue;<a name="line.276"></a> +<span class="sourceLineNo">277</span> }<a name="line.277"></a> +<span class="sourceLineNo">278</span> FileStatus[] logs;<a name="line.278"></a> +<span class="sourceLineNo">279</span> oldTimeStamp = olderTimestamps.get(host);<a name="line.279"></a> +<span class="sourceLineNo">280</span> // It is possible that there is no old timestamp in backup system table for this host if<a name="line.280"></a> +<span class="sourceLineNo">281</span> // this region server is newly added after our last backup.<a name="line.281"></a> +<span class="sourceLineNo">282</span> if (oldTimeStamp == null) {<a name="line.282"></a> +<span class="sourceLineNo">283</span> logs = fs.listStatus(p);<a name="line.283"></a> +<span class="sourceLineNo">284</span> } else {<a name="line.284"></a> +<span class="sourceLineNo">285</span> pathFilter.setLastBackupTS(oldTimeStamp);<a name="line.285"></a> +<span class="sourceLineNo">286</span> logs = fs.listStatus(p, pathFilter);<a name="line.286"></a> +<span class="sourceLineNo">287</span> }<a name="line.287"></a> +<span class="sourceLineNo">288</span> for (FileStatus log : logs) {<a name="line.288"></a> +<span class="sourceLineNo">289</span> LOG.debug("currentLogFile: " + log.getPath().toString());<a name="line.289"></a> +<span class="sourceLineNo">290</span> if (AbstractFSWALProvider.isMetaFile(log.getPath())) {<a name="line.290"></a> +<span class="sourceLineNo">291</span> if (LOG.isDebugEnabled()) {<a name="line.291"></a> +<span class="sourceLineNo">292</span> LOG.debug("Skip hbase:meta log file: " + log.getPath().getName());<a name="line.292"></a> +<span class="sourceLineNo">293</span> }<a name="line.293"></a> +<span class="sourceLineNo">294</span> continue;<a name="line.294"></a> +<span class="sourceLineNo">295</span> }<a name="line.295"></a> +<span class="sourceLineNo">296</span> currentLogFile = log.getPath().toString();<a name="line.296"></a> +<span class="sourceLineNo">297</span> resultLogFiles.add(currentLogFile);<a name="line.297"></a> +<span class="sourceLineNo">298</span> currentLogTS = BackupUtils.getCreationTime(log.getPath());<a name="line.298"></a> +<span class="sourceLineNo">299</span> // newestTimestamps is up-to-date with the current list of hosts<a name="line.299"></a> +<span class="sourceLineNo">300</span> // so newestTimestamps.get(host) will not be null.<a name="line.300"></a> +<span class="sourceLineNo">301</span> if (currentLogTS > newestTimestamps.get(host)) {<a name="line.301"></a> +<span class="sourceLineNo">302</span> newestLogs.add(currentLogFile);<a name="line.302"></a> +<span class="sourceLineNo">303</span> }<a name="line.303"></a> +<span class="sourceLineNo">304</span> }<a name="line.304"></a> +<span class="sourceLineNo">305</span> }<a name="line.305"></a> +<span class="sourceLineNo">306</span><a name="line.306"></a> +<span class="sourceLineNo">307</span> // Include the .oldlogs files too.<a name="line.307"></a> +<span class="sourceLineNo">308</span> FileStatus[] oldlogs = fs.listStatus(oldLogDir);<a name="line.308"></a> +<span class="sourceLineNo">309</span> for (FileStatus oldlog : oldlogs) {<a name="line.309"></a> +<span class="sourceLineNo">310</span> p = oldlog.getPath();<a name="line.310"></a> +<span class="sourceLineNo">311</span> currentLogFile = p.toString();<a name="line.311"></a> +<span class="sourceLineNo">312</span> if (AbstractFSWALProvider.isMetaFile(p)) {<a name="line.312"></a> +<span class="sourceLineNo">313</span> if (LOG.isDebugEnabled()) {<a name="line.313"></a> +<span class="sourceLineNo">314</span> LOG.debug("Skip .meta log file: " + currentLogFile);<a name="line.314"></a> +<span class="sourceLineNo">315</span> }<a name="line.315"></a> +<span class="sourceLineNo">316</span> continue;<a name="line.316"></a> +<span class="sourceLineNo">317</span> }<a name="line.317"></a> +<span class="sourceLineNo">318</span> host = BackupUtils.parseHostFromOldLog(p);<a name="line.318"></a> +<span class="sourceLineNo">319</span> if (host == null) {<a name="line.319"></a> +<span class="sourceLineNo">320</span> continue;<a name="line.320"></a> +<span class="sourceLineNo">321</span> }<a name="line.321"></a> +<span class="sourceLineNo">322</span> currentLogTS = BackupUtils.getCreationTime(p);<a name="line.322"></a> +<span class="sourceLineNo">323</span> oldTimeStamp = olderTimestamps.get(host);<a name="line.323"></a> +<span class="sourceLineNo">324</span> /*<a name="line.324"></a> +<span class="sourceLineNo">325</span> * It is possible that there is no old timestamp in backup system table for this host. At the<a name="line.325"></a> +<span class="sourceLineNo">326</span> * time of our last backup operation, this rs did not exist. The reason can be one of the two:<a name="line.326"></a> +<span class="sourceLineNo">327</span> * 1. The rs already left/crashed. Its logs were moved to .oldlogs. 2. The rs was added after<a name="line.327"></a> +<span class="sourceLineNo">328</span> * our last backup.<a name="line.328"></a> +<span class="sourceLineNo">329</span> */<a name="line.329"></a> +<span class="sourceLineNo">330</span> if (oldTimeStamp == null) {<a name="line.330"></a> +<span class="sourceLineNo">331</span> if (currentLogTS < Long.parseLong(savedStartCode)) {<a name="line.331"></a> +<span class="sourceLineNo">332</span> // This log file is really old, its region server was before our last backup.<a name="line.332"></a> +<span class="sourceLineNo">333</span> continue;<a name="line.333"></a> +<span class="sourceLineNo">334</span> } else {<a name="line.334"></a> +<span class="sourceLineNo">335</span> resultLogFiles.add(currentLogFile);<a name="line.335"></a> +<span class="sourceLineNo">336</span> }<a name="line.336"></a> +<span class="sourceLineNo">337</span> } else if (currentLogTS > oldTimeStamp) {<a name="line.337"></a> +<span class="sourceLineNo">338</span> resultLogFiles.add(currentLogFile);<a name="line.338"></a> +<span class="sourceLineNo">339</span> }<a name="line.339"></a> +<span class="sourceLineNo">340</span><a name="line.340"></a> +<span class="sourceLineNo">341</span> // It is possible that a host in .oldlogs is an obsolete region server<a name="line.341"></a> +<span class="sourceLineNo">342</span> // so newestTimestamps.get(host) here can be null.<a name="line.342"></a> +<span class="sourceLineNo">343</span> // Even if these logs belong to a obsolete region server, we still need<a name="line.343"></a> +<span class="sourceLineNo">344</span> // to include they to avoid loss of edits for backup.<a name="line.344"></a> +<span class="sourceLineNo">345</span> Long newTimestamp = newestTimestamps.get(host);<a name="line.345"></a> +<span class="sourceLineNo">346</span> if (newTimestamp != null && currentLogTS > newTimestamp) {<a name="line.346"></a> +<span class="sourceLineNo">347</span> newestLogs.add(currentLogFile);<a name="line.347"></a> +<span class="sourceLineNo">348</span> }<a name="line.348"></a> +<span class="sourceLineNo">349</span> }<a name="line.349"></a> +<span class="sourceLineNo">350</span> // remove newest log per host because they are still in use<a name="line.350"></a> +<span class="sourceLineNo">351</span> resultLogFiles.removeAll(newestLogs);<a name="line.351"></a> +<span class="sourceLineNo">352</span> return resultLogFiles;<a name="line.352"></a> +<span class="sourceLineNo">353</span> }<a name="line.353"></a> +<span class="sourceLineNo">354</span><a name="line.354"></a> +<span class="sourceLineNo">355</span> static class NewestLogFilter implements PathFilter {<a name="line.355"></a> +<span class="sourceLineNo">356</span> private Long lastBackupTS = 0L;<a name="line.356"></a> +<span class="sourceLineNo">357</span><a name="line.357"></a> +<span class="sourceLineNo">358</span> public NewestLogFilter() {<a name="line.358"></a> +<span class="sourceLineNo">359</span> }<a name="line.359"></a> +<span class="sourceLineNo">360</span><a name="line.360"></a> +<span class="sourceLineNo">361</span> protected void setLastBackupTS(Long ts) {<a name="line.361"></a> +<span class="sourceLineNo">362</span> this.lastBackupTS = ts;<a name="line.362"></a> +<span class="sourceLineNo">363</span> }<a name="line.363"></a> +<span class="sourceLineNo">364</span><a name="line.364"></a> +<span class="sourceLineNo">365</span> @Override<a name="line.365"></a> +<span class="sourceLineNo">366</span> public boolean accept(Path path) {<a name="line.366"></a> +<span class="sourceLineNo">367</span> // skip meta table log -- ts.meta file<a name="line.367"></a> +<span class="sourceLineNo">368</span> if (AbstractFSWALProvider.isMetaFile(path)) {<a name="line.368"></a> +<span class="sourceLineNo">369</span> if (LOG.isDebugEnabled()) {<a name="line.369"></a> +<span class="sourceLineNo">370</span> LOG.debug("Skip .meta log file: " + path.getName());<a name="line.370"></a> +<span class="sourceLineNo">371</span> }<a name="line.371"></a> +<span class="sourceLineNo">372</span> return false;<a name="line.372"></a> +<span class="sourceLineNo">373</span> }<a name="line.373"></a> +<span class="sourceLineNo">374</span> long timestamp;<a name="line.374"></a> +<span class="sourceLineNo">375</span> try {<a name="line.375"></a> +<span class="sourceLineNo">376</span> timestamp = BackupUtils.getCreationTime(path);<a name="line.376"></a> +<span class="sourceLineNo">377</span> return timestamp > lastBackupTS;<a name="line.377"></a> +<span class="sourceLineNo">378</span> } catch (Exception e) {<a name="line.378"></a> +<span class="sourceLineNo">379</span> LOG.warn("Cannot read timestamp of log file " + path);<a name="line.379"></a> +<span class="sourceLineNo">380</span> return false;<a name="line.380"></a> +<span class="sourceLineNo">381</span> }<a name="line.381"></a> +<span class="sourceLineNo">382</span> }<a name="line.382"></a> +<span class="sourceLineNo">383</span> }<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>
