Allow setting ring heartbeat timeout to zero to disable timeout check. #4342
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This change allows the various ring heartbeat timeouts to be configured with zero, as a means of disabling the timeout. This is expected to be used with a separate enhancement to allow disabling heartbeats. When the heartbeat timeout is disabled, instances will always appear as healthy in the ring. Signed-off-by: Steve Simpson <steve.simpson@grafana.com>
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stevesg
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Jul 6, 2021
stevesg
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Jul 7, 2021
pracucci
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This change LGTM. I guess we'll need a follow up PR to also allow disabling heartbeating the ring at all (this PR just checks the timeout). What your plans on this?
About this PR: I would mention it as an experimental feature in docs/configuration/v1-guarantees.md
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The two changes together were very confusing as they spread to so many bits of code in subtly different ways, so the disabling is here: #4344 |
Signed-off-by: Steve Simpson <steve.simpson@grafana.com>
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tomwilkie
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bboreham
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cortexproject#4342) * Allow setting ring heartbeat timeout to zero to disable timeout check. This change allows the various ring heartbeat timeouts to be configured with zero, as a means of disabling the timeout. This is expected to be used with a separate enhancement to allow disabling heartbeats. When the heartbeat timeout is disabled, instances will always appear as healthy in the ring. Signed-off-by: Steve Simpson <steve.simpson@grafana.com> * Review comments. Signed-off-by: Steve Simpson <steve.simpson@grafana.com> Signed-off-by: Alvin Lin <alvinlin@amazon.com>
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What this PR does:
This change allows the various ring heartbeat timeouts to be configured
with zero, as a means of disabling the timeout. This is expected to be
used with a separate enhancement to allow disabling heartbeats. When the
heartbeat timeout is disabled, instances will always appear as healthy
in the ring.
Checklist
CHANGELOG.mdupdated - the order of entries should be[CHANGE],[FEATURE],[ENHANCEMENT],[BUGFIX]