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author | Henning Baldersheim <balder@yahoo-inc.com> | 2022-01-11 07:15:54 +0100 |
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committer | GitHub <noreply@github.com> | 2022-01-11 07:15:54 +0100 |
commit | 0d21c1830fff13fd19f7c6342ec2184979769185 (patch) | |
tree | 033aaaaef8624c76ad8c239bab52527e61982483 /configdefinitions | |
parent | 8b9c3f9640c6a44719f3c92355c9d6d50ad7340d (diff) | |
parent | 3f15206f090ce36c08282b8d64d6ff9c15c8fd69 (diff) |
Merge pull request #20739 from vespa-engine/vekterli/dynamic-throttling-of-persistence-operations
Support dynamic throttling of async persistence operations [run-systemtest]
Diffstat (limited to 'configdefinitions')
-rw-r--r-- | configdefinitions/src/vespa/stor-filestor.def | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/configdefinitions/src/vespa/stor-filestor.def b/configdefinitions/src/vespa/stor-filestor.def index 66700eff3e6..c351e52b557 100644 --- a/configdefinitions/src/vespa/stor-filestor.def +++ b/configdefinitions/src/vespa/stor-filestor.def @@ -75,3 +75,22 @@ use_async_message_handling_on_schedule bool default=false restart ## the entire resource usage sample is immediately reported to the cluster controller (via host info). ## This config can be live updated (doesn't require restart). resource_usage_reporter_noise_level double default=0.001 + +## Specify throttling used for async persistence operations. This throttling takes place +## before operations are dispatched to Proton and serves as a limiter for how many +## operations may be in flight in Proton's internal queues. +## +## - UNLIMITED is, as it says on the tin, unlimited. Offers no actual throttling, but +## has near zero overhead and never blocks. +## - DYNAMIC uses DynamicThrottlePolicy under the hood and will block if the window +## is full (if a blocking throttler API call is invoked). +## +async_operation_throttler_type enum { UNLIMITED, DYNAMIC } default=UNLIMITED restart + +## Specifies the extent the throttling window is increased by when the async throttle +## policy has decided that more concurrent operations are desirable. Also affects the +## _minimum_ size of the throttling window; its size is implicitly set to max(this config +## value, number of threads). +## +## Only applies if async_operation_throttler_type == DYNAMIC. +async_operation_dynamic_throttling_window_increment int default=20 restart |