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storage: GC queue tuning #5252

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tbg opened this issue Mar 14, 2016 · 1 comment
Closed

storage: GC queue tuning #5252

tbg opened this issue Mar 14, 2016 · 1 comment
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C-performance Perf of queries or internals. Solution not expected to change functional behavior. S-1-stability Severe stability issues that can be fixed by upgrading, but usually don’t resolve by restarting
Milestone
Q3

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@tbg
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tbg commented Mar 14, 2016

The GC queue currently runs at regular intervals but doesn't actually get to delete much data. We should tune the threshold at which a replica is queued for GC (which is currently at one normalized units; too low).

To observe this, run the photos app for a while (single node is fine), then let the cluster idle and observe regular CPU spikes and the gc queue's event log.
@tbg tbg added this to the Beta milestone Mar 14, 2016
@bdarnell bdarnell mentioned this issue Mar 14, 2016
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@petermattis petermattis modified the milestones: Beta, Q2 Apr 7, 2016
@petermattis petermattis modified the milestones: Q2, Q3 Jul 11, 2016
@petermattis petermattis added the C-performance Perf of queries or internals. Solution not expected to change functional behavior. label Jul 11, 2016
@tbg tbg added the S-1-stability Severe stability issues that can be fixed by upgrading, but usually don’t resolve by restarting label Sep 26, 2016
@tbg tbg mentioned this issue Sep 26, 2016
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@nvanbenschoten nvanbenschoten mentioned this issue Oct 19, 2016
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@spencerkimball
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Closing for age and lack of actionable or pressing next steps.

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C-performance Perf of queries or internals. Solution not expected to change functional behavior. S-1-stability Severe stability issues that can be fixed by upgrading, but usually don’t resolve by restarting
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