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https://issues.apache.org/jira/browse/IMPALA-7779?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16763106#comment-16763106
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ASF subversion and git services commented on IMPALA-7779:
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Commit 2fad3d08dd6d6c4ebc27f56d8a03e637a65fd29c in impala's branch
refs/heads/master from Michael Brown
[ https://gitbox.apache.org/repos/asf?p=impala.git;h=2fad3d0 ]
IMPALA-8171: minicluster: use exec builtin to start Impala daemons
In IMPALA-7779 bin/start-daemon.sh was written to unify the place where
Impala daemons are started. It had a side-effect of keeping itself alive
as a parent process of the actual daemon. This broke the
tests.comparison.cluster abstraction used by the stress test and others
in that the process detection logic was finding false positives.
The old bin/start-*.sh scripts used the exec builtin to call their
daemons. Resurrect this as a simple fix; it also makes the ps list
shorter. Add a system test to catch this in the future.
Change-Id: I34ac8ce964f0c56287cee01360a4ba889f9568d7
Reviewed-on: http://gerrit.cloudera.org:8080/12391
Reviewed-by: Impala Public Jenkins <impala-public-jenk...@cloudera.com>
Tested-by: Impala Public Jenkins <impala-public-jenk...@cloudera.com>
> Parquet Scanner can write binary data into profile
> --------------------------------------------------
>
> Key: IMPALA-7779
> URL: https://issues.apache.org/jira/browse/IMPALA-7779
> Project: IMPALA
> Issue Type: Bug
> Components: Backend
> Affects Versions: Impala 3.1.0
> Reporter: Lars Volker
> Priority: Major
> Labels: profile
>
> In
> [hdfs-parquet-scanner.cc:1224|https://github.com/apache/impala/blob/master/be/src/exec/hdfs-parquet-scanner.cc#L1224]
> we log an invalid file version string. Whatever 4 bytes that that pointer
> points to will end up in the profile. These can be non-ascii characters, thus
> potentially breaking tools that parse the profiles and expect their content
> to be plain text. We should either remove the bytes from the message, or
> escape them as hex.
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