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https://issues.apache.org/jira/browse/HBASE-8290?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13626596#comment-13626596
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Hudson commented on HBASE-8290:
-------------------------------
Integrated in hbase-0.95-on-hadoop2 #62 (See
[https://builds.apache.org/job/hbase-0.95-on-hadoop2/62/])
HBASE-8290 TestHTableMultiplexer is flaky (Revision 1465913)
Result = FAILURE
nkeywal :
Files :
*
/hbase/branches/0.95/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestHTableMultiplexer.java
> TestHTableMultiplexer is flaky
> ------------------------------
>
> Key: HBASE-8290
> URL: https://issues.apache.org/jira/browse/HBASE-8290
> Project: HBase
> Issue Type: Bug
> Components: test
> Affects Versions: 0.95.0
> Reporter: Nicolas Liochon
> Assignee: Nicolas Liochon
> Fix For: 0.98.0, 0.95.1
>
> Attachments: 8290.v1.patch
>
>
> I reproduce it all the time if I comment the sleep here:
> {code}
> private void verifyAllBufferedPutsHaveFlushed(HTableMultiplexerStatus
> status) {
> int retries = 8;
> int tries = 0;
> do { /*
> try {
> Thread.sleep(2 * TEST_UTIL.getConfiguration().getLong(
> HTableMultiplexer.TABLE_MULTIPLEXER_FLUSH_FREQ_MS, 100));
> tries++;
> } catch (InterruptedException e) {
> Thread.currentThread().interrupt();
> } */
> } while (status.getTotalBufferedCounter() != 0 && tries != retries);
> assertEquals("There are still some buffered puts left in the queue",
> 0, status.getTotalBufferedCounter());
> }
> {code}
> Given that getTotalBufferedCounter is never decremented, there is a
> misunderstanding somewhere. As well, reading plain values without a volatile
> or a synchronized in a MT context is likely to be wrong.
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