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Posted to issues@impala.apache.org by "Tianyi Wang (JIRA)" <ji...@apache.org> on 2018/03/12 22:06:00 UTC
[jira] [Resolved] (IMPALA-6629) Clearer and more concise logging
during catalog topic updates
[ https://issues.apache.org/jira/browse/IMPALA-6629?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Tianyi Wang resolved IMPALA-6629.
---------------------------------
Resolution: Fixed
Fix Version/s: Impala 2.13.0
Impala 3.0
> Clearer and more concise logging during catalog topic updates
> -------------------------------------------------------------
>
> Key: IMPALA-6629
> URL: https://issues.apache.org/jira/browse/IMPALA-6629
> Project: IMPALA
> Issue Type: Improvement
> Components: Catalog
> Affects Versions: Impala 2.12.0
> Reporter: Alexander Behm
> Assignee: Tianyi Wang
> Priority: Critical
> Labels: supportability
> Fix For: Impala 3.0, Impala 2.13.0
>
>
> We should improve the logging on the catalogd side during a catalog topic update.
> Snippet of current log:
> {code}
> I0307 21:23:41.011883 21342 catalog-server.cc:477] Publishing update: TABLE:functional_avro_def.nulltable original size: 65
> I0307 21:23:41.011922 21342 CatalogServiceCatalog.java:426] Collected catalog update: TABLE:functional_avro_def.alltypestiny version: 134
> I0307 21:23:41.011927 21342 catalog-server.cc:477] Publishing update: TABLE:functional_avro_def.alltypestiny original size: 68
> I0307 21:23:41.011975 21342 CatalogServiceCatalog.java:426] Collected catalog update: TABLE:functional_avro_def.jointbl version: 138
> I0307 21:23:41.011986 21342 catalog-server.cc:477] Publishing update: TABLE:functional_avro_def.jointbl original size: 63
> I0307 21:23:41.012027 21342 CatalogServiceCatalog.java:426] Collected catalog update: TABLE:functional_avro_def.alltypesaggmultifilesnopart version: 130
> I0307 21:23:41.012032 21342 catalog-server.cc:477] Publishing update: TABLE:functional_avro_def.alltypesaggmultifilesnopart original size: 83
> I0307 21:23:41.012071 21342 CatalogServiceCatalog.java:426] Collected catalog update: TABLE:functional_avro_def.alltypesaggnonulls version: 131
> {code}
> We should improve the logging as follows
> * Avoid duplicate messages for the same entity
> * Be clearer about "publishing" and "collecting" a topic update (collect is more accurate)
> * Add a log final message when a topic update has been fully assembled
> The double-logging was introduced in IMPALA-5990. For heavily loaded clusters this change might lead to a doubling of the log volume - clearly undesirable.
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