Make CBE message creation more robust#87876
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elasticsearchmachine merged 1 commit intoelastic:7.17from Jun 21, 2022
Merged
Make CBE message creation more robust#87876elasticsearchmachine merged 1 commit intoelastic:7.17from
elasticsearchmachine merged 1 commit intoelastic:7.17from
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Child circuit breakers rely on proper matching of acquire/release pairs. This can be tricky to get right. If we get it wrong and accidentally double-release a CB then it may end up with a negative `used` value. This is definitely a bad situation in which to find ourselves, but today in production it's made a whole lot worse because it causes exceptions on every attempt to report a `CircuitBreakerStats` or to construct a parent `CircuitBreakingException`. This commit makes the message construction and stats serialization a little more robust so that it's clearer what is going on in production. Relates elastic#86059. Backport of elastic#87687.
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Pinging @elastic/es-core-infra (Team:Core/Infra) |
DaveCTurner
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Jun 21, 2022
This reverts commit 62650ef.
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Reverted due to test failures. |
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Child circuit breakers rely on proper matching of acquire/release pairs.
This can be tricky to get right. If we get it wrong and accidentally
double-release a CB then it may end up with a negative
usedvalue.This is definitely a bad situation in which to find ourselves, but today
in production it's made a whole lot worse because it causes exceptions
on every attempt to report a
CircuitBreakerStatsor to construct aparent
CircuitBreakingException.This commit makes the message construction and stats serialization a
little more robust so that it's clearer what is going on in production.
Relates #86059.
Backport of #87687.