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https://issues.apache.org/jira/browse/PHOENIX-2556?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15082216#comment-15082216
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Maryann Xue commented on PHOENIX-2556:
--------------------------------------
I tried running through the tests, but found a couple of failures, including
one from the lines I had uncommented:
Tests run: 17, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 98.035 sec <<<
FAILURE! - in org.apache.phoenix.tx.TxCheckpointIT
org.apache.phoenix.tx.TxCheckpointIT Time elapsed: 51.628 sec <<< FAILURE!
java.lang.AssertionError: expected:<0> but was:<3996>
testDisallowDropOfReferencedColumn[transactional =
true](org.apache.phoenix.end2end.ViewIT) Time elapsed: 0.428 sec <<< FAILURE!
java.lang.AssertionError: expected:<1010> but was:<1013>
at
org.apache.phoenix.end2end.ViewIT.testDisallowDropOfReferencedColumn(ViewIT.java:226)
Tests run: 17, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 57.04 sec <<<
FAILURE! - in org.apache.phoenix.monitoring.PhoenixMetricsIT
testGlobalPhoenixMetricsForMutations(org.apache.phoenix.monitoring.PhoenixMetricsIT)
Time elapsed: 0.369 sec <<< FAILURE!
java.lang.AssertionError
at
org.apache.phoenix.monitoring.PhoenixMetricsIT.testGlobalPhoenixMetricsForMutations(PhoenixMetricsIT.java:120)
Looks like the last two were transaction-related stuff. They might have been
caused by the previous check-in?
> Subqueries with nested joins may not free hash cache
> ----------------------------------------------------
>
> Key: PHOENIX-2556
> URL: https://issues.apache.org/jira/browse/PHOENIX-2556
> Project: Phoenix
> Issue Type: Bug
> Reporter: James Taylor
> Assignee: Maryann Xue
> Fix For: 4.7.0
>
> Attachments: PHOENIX-2556.patch, PHOENIX-2556_wip.patch
>
>
> Subqueries with nested joins are only freeing some of the server-side hash
> cache memory, leading to essentially a kind of memory leak.
> This problem occurs with the existing test case in SubqueryIT:
> {code}
> SELECT name from Join.CustomerTable
> WHERE "customer_id" IN
> (SELECT "customer_id" FROM Join.ItemTable i
> JOIN Join.OrderTable o
> ON o."item_id" = i."item_id"
> WHERE i.name = 'T2'
> OR quantity >
> (SELECT avg(quantity) FROM Join.OrderTable q
> WHERE o."item_id" = q."item_id"))
> {code}
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