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https://issues.apache.org/jira/browse/HBASE-8028?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13620409#comment-13620409
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Ted Yu commented on HBASE-8028:
-------------------------------
bq. Will this change the readpoint?
{code}
private long internalAdd(final KeyValue toAdd) {
long s = heapSizeChange(toAdd, this.kvset.add(toAdd));
timeRangeTracker.includeTimestamp(toAdd);
this.size.addAndGet(s);
return s;
}
{code}
Looking at the code, I don't think readpoint is affected.
> Append, Increment: Adding rollback support
> ------------------------------------------
>
> Key: HBASE-8028
> URL: https://issues.apache.org/jira/browse/HBASE-8028
> Project: HBase
> Issue Type: Bug
> Components: regionserver
> Affects Versions: 0.94.5
> Reporter: Himanshu Vashishtha
> Assignee: Himanshu Vashishtha
> Fix For: 0.95.0
>
> Attachments: HBase-8028-v1.patch, HBase-8028-v2.patch,
> HBase-8028-with-Increments-v1.patch, HBase-8028-with-Increments-v2.patch
>
>
> In case there is an exception while doing the log-sync, the memstore is not
> rollbacked, while the mvcc is _always_ forwarded to the writeentry created at
> the beginning of the operation. This may lead to scanners seeing results
> which are not synched to the fs.
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