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Ran 07 May 2025 05:46PM UTC

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Committed 07 May 2025 05:42PM UTC coverage: 77.719%. Remained the same

Job # 14889802911.1

Build Type

push

github

Committed by

web-flow

Commit Message

CP-54826/CP-54827: optimize handling of the Pool object (#6445)

This doesn't have feature flags, they are optimizations.

The pool object has gained a JSON field recently, which slowed it down
significantly, because the `"` was getting escaped (so the fastpath that
checks whether there are any escapable characters or not couldn't be
triggerred).

The date field is also very slow to handle due to various backward
compatibility format transformations. Add a direct parser for the format
used in memory (it'd be good to skip all these
serializing/deserializing, but that is a bigger change).

Handling the database requires several `finally` calls, which perform a
lot of backtrace formatting, and some code keeps raising exceptions even
on happy paths (e.g. Hashtbl.find). We need to fix those too, but we
should also speed up `finally`.

Xapi_local_session was also raising exceptions all the time, replace
this with Hashtbl.mem

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