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(parent: 0011c5a) | patch
Fix memory leak in SnapBuildSerialize.
authorAmit Kapila <akapila@postgresql.org>
Wed, 13 Jan 2021 03:01:45 +0000 (08:31 +0530)
committerAmit Kapila <akapila@postgresql.org>
Wed, 13 Jan 2021 03:01:45 +0000 (08:31 +0530)
commit0685c5c1b9225352bbaf4fe81c550f09508379ce
tree328334217c3c207bfb1e725a67e3bf8f59634010tree | snapshot
parent0011c5a0fdacc5991b996e0081c218fbea4461a8commit | diff
Fix memory leak in SnapBuildSerialize.

The memory for the snapshot was leaked while serializing it to disk during
logical decoding. This memory will be freed only once walsender stops
streaming the changes. This can lead to a huge memory increase when master
logs Standby Snapshot too frequently say when the user is trying to create
many replication slots.

Reported-by: funnyxj.fxj@alibaba-inc.com
Diagnosed-by: funnyxj.fxj@alibaba-inc.com
Author: Amit Kapila
Backpatch-through: 9.5
Discussion: https://postgr.es/m/033ab54c-6393-42ee-8ec9-2b399b5d8cde.funnyxj.fxj@alibaba-inc.com
src/backend/replication/logical/snapbuild.c diff | blob | blame | history
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