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Introduce transaction_timeout

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This commit adds timeout that is expected to be used as a prevention
of long-running queries. Any session within the transaction will be
terminated after spanning longer than this timeout.

However, this timeout is not applied to prepared transactions.
Only transactions with user connections are affected.

Discussion: https://postgr.es/m/CAAhFRxiQsRs2Eq5kCo9nXE3HTugsAAJdSQSmxncivebAxdmBjQ%40mail.gmail.com
Author: Andrey Borodin <amborodin@acm.org>
Author: Japin Li <japinli@hotmail.com>
Author: Junwang Zhao <zhjwpku@gmail.com>
Reviewed-by: Nikolay Samokhvalov <samokhvalov@gmail.com>
Reviewed-by: Andres Freund <andres@anarazel.de>
Reviewed-by: Fujii Masao <masao.fujii@oss.nttdata.com>
Reviewed-by: bt23nguyent <bt23nguyent@oss.nttdata.com>
Reviewed-by: Yuhang Qiu <iamqyh@gmail.com>
This commit is contained in:
Alexander Korotkov
2024-02-15 23:34:11 +02:00
parent 5c9f2f9398
commit 51efe38cb9
23 changed files with 343 additions and 5 deletions
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1
src/backend/storage/lmgr/proc.c
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@@ -59,6 +59,7 @@ int DeadlockTimeout = 1000;
int StatementTimeout = 0;
int LockTimeout = 0;
int IdleInTransactionSessionTimeout = 0;
int TransactionTimeout = 0;
int IdleSessionTimeout = 0;
bool log_lock_waits = false;