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HDFS-16507. [SBN read] Avoid purging edit log which is in progress (#4082)

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litao 2022-03-31 14:01:48 +08:00 committed by Chao Sun
parent e24bd1c15b
commit cfca024190
1 changed files with 6 additions and 5 deletions
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11
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSEditLog.java
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@ -1512,11 +1512,12 @@ public synchronized void purgeLogsOlderThan(final long minTxIdToKeep) {
if (!isOpenForWrite()) {
return;
}
assert curSegmentTxId == HdfsServerConstants.INVALID_TXID || // on format this is no-op
minTxIdToKeep <= curSegmentTxId :
"cannot purge logs older than txid " + minTxIdToKeep +
" when current segment starts at " + curSegmentTxId;
Preconditions.checkArgument(
curSegmentTxId == HdfsServerConstants.INVALID_TXID || // on format this is no-op
minTxIdToKeep <= curSegmentTxId,
"cannot purge logs older than txid " + minTxIdToKeep +
" when current segment starts at " + curSegmentTxId);
if (minTxIdToKeep == 0) {
return;
}