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https://issues.apache.org/jira/browse/HBASE-11551?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14071397#comment-14071397
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chunhui shen commented on HBASE-11551:
--------------------------------------
The above exception ‘Failed allocating for block bck2_0’ won't cause
writerThread exiting.
bq. if you talked to the fellow whose filesystem just overflowed with unnoticed
ERROR logs because of some non-self-healing issue
If the caught exception is self-healing or occasional, the changes will make
sense.
Just now, we haven't encountered such exception. It is make-work code reading
for me.
> BucketCache$WriterThread.run() doesn't handle exceptions correctly
> ------------------------------------------------------------------
>
> Key: HBASE-11551
> URL: https://issues.apache.org/jira/browse/HBASE-11551
> Project: HBase
> Issue Type: Bug
> Reporter: Ted Yu
> Assignee: Ted Yu
> Fix For: 0.99.0, 2.0.0
>
> Attachments: 11551-v1.txt
>
>
> Currently the catch is outside the while loop:
> {code}
> try {
> while (cacheEnabled && writerEnabled) {
> ...
> } catch (Throwable t) {
> LOG.warn("Failed doing drain", t);
> }
> {code}
> When exception (e.g. BucketAllocatorException) is thrown, run() method would
> terminate, silently.
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