Shrink libpq buffers to 1MB before returning connection to pool. Closes

#5087 See: hasura/pg-client-hs#19 Also related: #3388 #4077
hasura · Jun 30, 2020 · dfa0701 · dfa0701
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -143,6 +143,7 @@ hasura seed apply --file 1234_add_some_seed_data.sql
 - server: fix mishandling of GeoJSON inputs in subscriptions (fix #3239)
 - server: fix importing of allow list query from metadata (fix #4687)
 - server: add new `--conn-lifetime` and `HASURA_GRAPHQL_PG_CONN_LIFETIME` options for expiring connections after some amount of active time (#5087)
+- server: shrink libpq connection request/response buffers back to 1MB if they grow beyond 2MB, fixing leak-like behavior on active servers (#5087)
 - server: flush log buffer during shutdown (#4800)
 - server: fix edge case with printing logs on startup failure (fix #4772)
 - console: allow entering big int values in the console (close #3667) (#4775)

diff --git a/server/cabal.project b/server/cabal.project
@@ -36,8 +36,7 @@ package graphql-engine
 source-repository-package
   type: git
   location: https://github.com/hasura/pg-client-hs.git
-  -- TODO merge https://github.com/hasura/pg-client-hs/pull/16 
-  tag: b526847a79966f0cd7b6de9365a83b4411ad2002 
+  tag: cbfc69b935d19dc40be8cdcc73a70b81cf511d34
 
 source-repository-package
   type: git