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Avoid OOM when reads information_schema.columns #17554

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wjhuang2016 opened this issue Jun 1, 2020 · 2 comments
Open

Avoid OOM when reads information_schema.columns #17554

wjhuang2016 opened this issue Jun 1, 2020 · 2 comments
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epic/memory-management sig/sql-infra SIG: SQL Infra type/feature-request Categorizes issue or PR as related to a new feature.

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@wjhuang2016
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Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

See also https://asktug.com/t/topic/34457
If there are too many tables in the database, the memory usage is very high and it's easy to cause OOM.
@wjhuang2016 wjhuang2016 added the type/bug The issue is confirmed as a bug. label Jun 1, 2020
@fzhedu
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fzhedu commented Jun 17, 2020

see #17200
#16572

@SunRunAway SunRunAway added the sig/sql-infra SIG: SQL Infra label Jun 18, 2020
@SunRunAway
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It's neither related to #17200 nor #16572.

We could have a good implementation of the memory table information_schema.columns to avoid OOM.

@djshow832 djshow832 mentioned this issue Jun 29, 2020
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@wjhuang2016 wjhuang2016 added type/feature-request Categorizes issue or PR as related to a new feature. and removed severity/minor type/bug The issue is confirmed as a bug. labels Nov 24, 2020
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