Botond Dénes f7a4d19fb1 mutation_partition: abort read when hard limit is exceeded for non-paged reads ...

If the read is not paged (short read is not allowed) abort the query if
the hard memory limit is reached. On reaching the soft memory limit a
warning is logged. This should allow users to adjust their application
code while at the same time protecting the database from the really bad
queries.
The enforcement happens inside the memory accounter and doesn't require
cooperation from the result builders. This ensures memory limit set for
the query is respected for all kind of reads. Previously non-paged reads
simply ignored the memory accounter requesting the read to stop and
consumed all the memory they wanted.

2020-07-29 08:32:31 +03:00

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