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From "Rushabh S Shah (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PHOENIX-5300) NoopStatisticsCollector shouldn't scan any rows.
Date Thu, 30 May 2019 17:58:00 GMT

    [ https://issues.apache.org/jira/browse/PHOENIX-5300?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16852143#comment-16852143
] 

Rushabh S Shah commented on PHOENIX-5300:
-----------------------------------------

{quote}./phoenix-core/target/failsafe-reports/TEST-org.apache.phoenix.end2end.index.LocalMutableTxIndexIT
 ./phoenix-core/target/failsafe-reports/TEST-org.apache.phoenix.end2end.SaltedViewIT
{quote}
Both the tests are failing with the following message.
{noformat}
Error Message
org.apache.thrift.TException: Unable to discover transaction service.
Stacktrace
java.lang.RuntimeException: org.apache.thrift.TException: Unable to discover transaction service.
	at org.apache.phoenix.end2end.SaltedViewIT.testSaltedUpdatableViewWithIndex(SaltedViewIT.java:38)
Caused by: org.apache.thrift.TException: Unable to discover transaction service.
	at org.apache.phoenix.end2end.SaltedViewIT.testSaltedUpdatableViewWithIndex(SaltedViewIT.java:38)
{noformat}
Both the failing tests are passing on my local machine.

{noformat}
 [INFO] — maven-surefire-plugin:2.20:test (default-test) @ phoenix-core —
 [INFO] 
 [INFO] -------------------------------------------------------
 [INFO] T E S T S
 [INFO] -------------------------------------------------------
 [INFO] Running org.apache.phoenix.end2end.SaltedViewIT
 [INFO] Running org.apache.phoenix.end2end.index.LocalMutableTxIndexIT
 [INFO] Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 71.249 s - in org.apache.phoenix.end2end.SaltedViewIT
 [INFO] Tests run: 42, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 418.501 s - in org.apache.phoenix.end2end.index.LocalMutableTxIndexIT
 [INFO] 
 [INFO] Results:
 [INFO] 
 [INFO] Tests run: 46, Failures: 0, Errors: 0, Skipped: 0
{noformat}

> NoopStatisticsCollector shouldn't scan any rows.
> ------------------------------------------------
>
>                 Key: PHOENIX-5300
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-5300
>             Project: Phoenix
>          Issue Type: Bug
>    Affects Versions: 4.14.0, 4.13.1
>            Reporter: Rushabh S Shah
>            Assignee: Rushabh S Shah
>            Priority: Major
>             Fix For: 4.14.2
>
>         Attachments: PHOENIX-5300-4.14-HBase-1.4.patch, PHOENIX-5300-4.14-HBase-1.4.patch
>
>
> Today if we disable calculation of stats via {{phoenix.stats.collection.enabled}} property,
it creates {{NoopStatisticsCollector}}. If someone calls "UPDATE STATISTICS <TABLE-NAME>",
it will create NoopStatisticsCollector, scan the whole table and does nothing. This is fixed
in 4.15 via PHOENIX-4009. If we don't want to backport PHOENIX-4009, we can fix this bug just
in 4.14



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