Find big allocations without memory limits checks #48401
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robot-ch-test-poll1
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pr-not-for-changelog
novikd
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Apr 4, 2023
alexey-milovidov
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Apr 5, 2023
azat
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Apr 5, 2023
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| MemoryTrackerBlockerInThread blocker; | ||
| LOG_TRACE(&Poco::Logger::get("MemoryTracker"), "Too big allocation ({} bytes) without checking memory limits, " | ||
| "it may lead to OOM. Stack trace: {}", size, StackTrace().toString()); |
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Interesting idea! Maybe it also worth to add a check to {stateless/stress}/run.sh for this pattern?
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We should fix known issues first:
rg -Faz "Too big allocation" clickhouse-server.log.zst | wc
1484 46004 462441
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Integration tests (asan) [4/6] - #45435 |
This was referenced May 3, 2023
This was referenced Jul 7, 2023
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Changelog category (leave one):
About big allocations and OOMs: #48178 (comment)
Also it fixes
00002_log_and_exception_messages_formatting: https://s3.amazonaws.com/clickhouse-test-reports/0/d0ba1e76bfdef462ae5fd7b652105b4abf780251/stateless_tests__release_.html(the test has found non-informative exception messages added in #43858 (comment), but it was impossible to understand from the test output, let's improve it)
Fixes #48441