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Lock index impl tables before scanning them #17229
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⚪ Test history | Ya make output | Test bloat
⚪ Test history | Ya make output | Test bloat | Test bloat
🟢
*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation |
⚪ Test history | Ya make output | Test bloat
⚪ Test history | Ya make output | Test bloat | Test bloat
⚪ Test history | Ya make output | Test bloat | Test bloat | Test bloat
🟢
*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation |
⚪ Test history | Ya make output | Test bloat
⚪ Test history | Ya make output | Test bloat | Test bloat
🟢
*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation |
⚪ Test history | Ya make output | Test bloat
⚪ Test history | Ya make output | Test bloat | Test bloat
⚪ Test history | Ya make output | Test bloat | Test bloat | Test bloat
🟢
*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation |
⚪ Test history | Ya make output | Test bloat
⚪ Test history | Ya make output | Test bloat | Test bloat
🟢
*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation |
⚪ Test history | Ya make output | Test bloat
⚪ Test history | Ya make output | Test bloat | Test bloat
⚪ Test history | Ya make output | Test bloat | Test bloat | Test bloat
🟢
*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation |
ydb/core/tx/schemeshard/schemeshard__operation_apply_build_index.cpp
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if (path.IsLocked()) { | ||
modifyScheme.MutableLockGuard()->SetOwnerTxId(ui64(buildInfo.LockTxId)); | ||
} |
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Кажется нужно бы проверять, что lock на пути от ожидаемой, нашей, tx-id.
И если нет (что теоретически возможно), то что делать?
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То что это лок наш проверит уже сама транзакция TDropTable
Если не совпадёт не знаю, должен запустится механизм канцелейшена построения индекса, но вообще не должно такого быть
⚪ Test history | Ya make output | Test bloat
⚪ Test history | Ya make output | Test bloat | Test bloat
⚪ Test history | Ya make output | Test bloat | Test bloat | Test bloat
🟢
*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation |
⚪ Test history | Ya make output | Test bloat
⚪ Test history | Ya make output | Test bloat | Test bloat
⚪ Test history | Ya make output | Test bloat | Test bloat | Test bloat
🟢
*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation |
⚪ Test history | Ya make output | Test bloat
⚪ Test history | Ya make output | Test bloat | Test bloat
🟢
*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation |
⚪ Test history | Ya make output | Test bloat
⚪ Test history | Ya make output | Test bloat | Test bloat
⚪ Test history | Ya make output | Test bloat | Test bloat | Test bloat
🟢
*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation |
ydb/core/tx/schemeshard/schemeshard__operation_apply_build_index.cpp
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⚪ Test history | Ya make output | Test bloat
⚪ Test history | Ya make output | Test bloat | Test bloat
⚪ Test history | Ya make output | Test bloat | Test bloat | Test bloat
🟢
*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation |
⚪ Test history | Ya make output | Test bloat
⚪ Test history | Ya make output | Test bloat | Test bloat
⚪ Test history | Ya make output | Test bloat | Test bloat | Test bloat
🟢
*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation |
Changelog entry
...
Changelog category
Description for reviewers
To prevent tablets from split (#16813) lock them right before scanning their shards
The idea is simple, reuse main table
LockTxId
and provide it in following requestsBecause the build tables will be deleted at the end of the process, it's no needed to remove these locks, just pass guard in drop table requests
Verified that it works with logs on a huge dataset: