Clean consumer stats samples differently depending on how many there are #10451
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michaelklishin
requested changes
Feb 1, 2024
| ets:delete(IndexTable, Id), | ||
| ok; | ||
| index_delete(consumer_stats = Table, {channel = Type, Count}, Id) -> | ||
| case Count > ?LARGE_CONSUMER_COUNT of |
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We can add a comment explaining the condition here: ets:match_delete/2 is acceptable or optimal for a large number of entries on this particular channel but when there are many channels with a few (very often just one) consumers each, its sequential scans become prohibitively expensive.
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The forced push was a rebase. |
kjnilsson
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Feb 2, 2024
@kjnilsson Curious, what was your idea? |
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Merged with a cosmetic change from me in #10476 |
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(cherry picked from commit dad9379)
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Proposed Changes
This is a revision of #9356.
Check number of consumers for a terminated channel, If over 1000, bulk delete metrics, if under 1001, do it the old way.
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