Master crash when spliting hlog may cause data loss
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Key: HBASE-4878
URL: https://issues.apache.org/jira/browse/HBASE-4878
Project: HBase
Issue Type: Bug
Reporter: chunhui shen
Let's see the code of HlogSplitter#splitLog(final FileStatus[] logfiles)
{code}
private List<Path> splitLog(final FileStatus[] logfiles) throws IOException {
try {
for (FileStatus log : logfiles) {
parseHLog(in, logPath, entryBuffers, fs, conf, skipErrors);
}
archiveLogs(srcDir, corruptedLogs, processedLogs, oldLogDir, fs, conf);
} finally {
status.setStatus("Finishing writing output logs and closing down.");
splits = outputSink.finishWritingAndClose();
}
}
{code}
If master is killed, after finishing archiveLogs(srcDir, corruptedLogs,
processedLogs, oldLogDir, fs, conf),
but before finishing splits = outputSink.finishWritingAndClose();
Log date would loss!
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