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https://issues.apache.org/jira/browse/HBASE-10069?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13846205#comment-13846205
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Hudson commented on HBASE-10069:
--------------------------------
FAILURE: Integrated in HBase-0.98 #8 (See
[https://builds.apache.org/job/HBase-0.98/8/])
HBASE-10069 Potential duplicate calls to log#appendNoSync() in
HRegion#doMiniBatchMutation() (sershe: rev 1550237)
*
/hbase/branches/0.98/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java
> Potential duplicate calls to log#appendNoSync() in
> HRegion#doMiniBatchMutation()
> --------------------------------------------------------------------------------
>
> Key: HBASE-10069
> URL: https://issues.apache.org/jira/browse/HBASE-10069
> Project: HBase
> Issue Type: Bug
> Reporter: Ted Yu
> Assignee: Sergey Shelukhin
> Priority: Minor
> Fix For: 0.98.0, 0.99.0
>
> Attachments: HBASE-10069.patch
>
>
> In HRegion#doMiniBatchMutation():
> {code}
> if (nonceGroup != currentNonceGroup || nonce != currentNonce) {
> if (walEdit.size() > 0) {
> assert isInReplay;
> txid = this.log.appendNoSync(this.getRegionInfo(),
> htableDescriptor.getTableName(),
> walEdit, m.getClusterIds(), now, htableDescriptor,
> this.sequenceId, true,
> currentNonceGroup, currentNonce);
> hasWalAppends = true;
> }
> currentNonceGroup = nonceGroup;
> currentNonce = nonce;
> }
> // Add WAL edits by CP
> WALEdit fromCP = batchOp.walEditsFromCoprocessors[i];
> if (fromCP != null) {
> for (KeyValue kv : fromCP.getKeyValues()) {
> walEdit.add(kv);
> }
> }
> ...
> Mutation mutation = batchOp.getMutation(firstIndex);
> if (walEdit.size() > 0) {
> txid = this.log.appendNoSync(this.getRegionInfo(),
> this.htableDescriptor.getTableName(),
> walEdit, mutation.getClusterIds(), now, this.htableDescriptor,
> this.sequenceId,
> true, currentNonceGroup, currentNonce);
> hasWalAppends = true;
> }
> {code}
> If fromCP is null, there may not be new edits added to walEdit.
> But log#appendNoSync() would be called one more time at line 2368.
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