[CASSANDRA-14261] Compaction Profiling Improvements - ASF JIRA

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Details

Type: Improvement
Status: Resolved
Priority: Low
Resolution: Fixed
Fix Version/s: 4.0-alpha1, 4.0
Component/s: Local/Compaction
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Description

There's some low hanging fruit in some laptop compaction runs, such as creating a ton of the same object unnecessarily and hashing cell names repeatedly to see if a column is dropped even when we should know that the table has no dropped columns.

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patched-hot-threads.png
02/Mar/18 05:16
472 kB
Jeff Jirsa
patched-tlab.png
02/Mar/18 05:16
647 kB
Jeff Jirsa
unpatched-hot-threads.png
02/Mar/18 05:16
587 kB
Jeff Jirsa
unpatched-hot-threads-top.png
02/Mar/18 05:16
584 kB
Jeff Jirsa
unpatched-tlab.png
02/Mar/18 05:16
893 kB
Jeff Jirsa

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Assignee:: Jeff Jirsa

Reporter:: Jeff Jirsa

Authors:: Jeff Jirsa

Reviewers:: Marcus Eriksson

Votes:: 1 Vote for this issue

Watchers:: 6 Start watching this issue

Dates

Created:: 26/Feb/18 07:50

Updated:: 15/May/20 08:06

Resolved:: 12/Apr/18 16:00