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Hi all,
last week backup of my one database stops with error like below:
"pg_dump: [archiver (db)] query failed: server closed the connection unexpectedly
This probably means the server terminated abnormally
before or while processing the request.
pg_dump: [archiver (db)] query was: SELECT l.oid, (SELECT rolname FROM pg_catalog.pg_roles WHERE oid = l.lomowner) AS rolname, (SELECT pg_catalog.array_agg(acl ORDER BY row_n) FROM (SELECT acl, row_n FROM pg_catalog.unnest(coalesce(l.lomacl,pg_catalog.acldefault('L',l.lomowner))) WITH ORDINALITY AS perm(acl,row_n) WHERE NOT EXISTS ( SELECT 1 FROM pg_catalog.unnest(coalesce(pip.initprivs,pg_catalog.acldefault('L',l.lomowner))) AS init(init_acl) WHERE acl = init_acl)) as foo) AS lomacl, (SELECT pg_catalog.array_agg(acl ORDER BY row_n) FROM (SELECT acl, row_n FROM pg_catalog.unnest(coalesce(pip.initprivs,pg_catalog.acldefault('L',l.lomowner))) WITH ORDINALITY AS initp(acl,row_n) WHERE NOT EXISTS ( SELECT 1 FROM pg_catalog.unnest(coalesce(l.lomacl,pg_catalog.acldefault('L',l.lomowner))) AS permp(orig_acl) WHERE acl = orig_acl)) as foo) AS rlomacl, NULL AS initlomacl, NULL AS initrlomacl FROM pg_largeobject_metadata l LEFT JOIN pg_init_privs pip ON (l.oid = pip.objoid AND pip.classoid = 'pg_largeobject'::regclass AND pip.objsubid = 0) "
Additional info:
PostgreSQL 9.6.8 on x86_64-pc-linux-gnu, compiled by gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-16), 64-bit
database size 220GB
System CentOS 7
I am not sure how to recognize the problem.
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