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Compaction on PageStorage WAL causes OOM #6163

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JaySon-Huang opened this issue Oct 19, 2022 · 1 comment · Fixed by #6168
Closed

Compaction on PageStorage WAL causes OOM #6163

JaySon-Huang opened this issue Oct 19, 2022 · 1 comment · Fixed by #6168
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affects-6.2 affects-6.3 component/storage severity/major type/bug The issue is confirmed as a bug.

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JaySon-Huang commented Oct 19, 2022 •
edited by flowbehappy
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Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

With write-heavy scenarios, run the workload long enough. E.g. days.

2. What did you expect to see? (Required)

3. What did you see instead (Required)

The number of entries in wal/log_xxx_1 getting bigger and bigger. Which makes the GC progress to consume more and more memory, and finally OOM.

4. What is your TiFlash version? (Required)

v6.2.0
@JaySon-Huang JaySon-Huang added type/bug The issue is confirmed as a bug. component/storage labels Oct 19, 2022
@JaySon-Huang
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introduced by #5357

@JaySon-Huang JaySon-Huang self-assigned this Oct 19, 2022
This was referenced Oct 19, 2022
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ti-chi-bot pushed a commit that referenced this issue Oct 26, 2022
@JaySon-Huang
PageStorage: Fix peak memory usage when running GC on PageDirectory (#…
47480fc 
…6168)

close #6163
@ti-chi-bot ti-chi-bot mentioned this issue Oct 26, 2022
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@flowbehappy flowbehappy changed the title Compaction on PageStorage WAL does not work as expected Compaction on PageStorage WAL causes OOM Nov 7, 2022
ti-chi-bot pushed a commit that referenced this issue Nov 10, 2022
@JaySon-Huang
testing: pageworkload HeavySkewWriteRead support deleting data (#6178)
80c3b94 
ref #6163
@ti-chi-bot ti-chi-bot mentioned this issue Nov 10, 2022
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affects-6.2 affects-6.3 component/storage severity/major type/bug The issue is confirmed as a bug.
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PageStorage: Fix peak memory usage when running GC on PageDirectory JaySon-Huang/tiflash
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@flowbehappy @JaySon-Huang @ti-chi-bot