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Prevent 'thundering herd' issue with the scale preset #42329

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Jan 23, 2025
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Prevent 'thundering herd' issue with the scale preset #42329

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2 changes: 2 additions & 0 deletions libbeat/outputs/elasticsearch/config_presets.go
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Expand Up @@ -63,6 +63,8 @@ var presetConfigs = map[string]*config.C{
"queue.mem.flush.timeout": 20 * time.Second,
"compression_level": 1,
"idle_connection_timeout": 1 * time.Second,
"backoff.init": 5 * time.Second,
"backoff.max": 300 * time.Second,
}),
presetLatency: config.MustNewConfigFrom(map[string]interface{}{
"bulk_max_size": 50,
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17 changes: 16 additions & 1 deletion libbeat/outputs/elasticsearch/docs/elasticsearch.asciidoc
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Expand Up @@ -680,6 +680,8 @@ Setting `bulk_max_size` to values less than or equal to 0 disables the
splitting of batches. When splitting is disabled, the queue decides on the
number of events to be contained in a batch.


[[backoff-init-option]]
===== `backoff.init`

The number of seconds to wait before trying to reconnect to Elasticsearch after
Expand All @@ -689,6 +691,7 @@ to `backoff.max`. After a successful connection, the backoff timer is reset. The
default is `1s`.


[[backoff-max-option]]
===== `backoff.max`

The maximum number of seconds to wait before attempting to connect to
Expand Down Expand Up @@ -774,7 +777,7 @@ output.elasticsearch:
preset: balanced
------------------------------------------------------------------------------

Performance presets apply a set of configuration overrides based on a desired performance goal. If set, a performance preset will override other configuration flags to match the recommended settings for that preset. Valid options are:
Performance presets apply a set of configuration overrides based on a desired performance goal. If set, a performance preset will override other configuration flags to match the recommended settings for that preset. If a preset doesn't set a value for a particular field, the user-specified value will be used if present, otherwise the default. Valid options are:
* `balanced`: good starting point for general efficiency
* `throughput`: good for high data volumes, may increase cpu and memory requirements
* `scale`: reduces ambient resource use in large low-throughput deployments
Expand Down Expand Up @@ -830,6 +833,18 @@ Presets represent current recommendations based on the intended goal; their effe
|`15s`
|`1s`
|`60s`

|<<backoff-init-option,`backoff.init`>>
|none
|none
|`5s`
|none

|<<backoff-max-option,`backoff.max`>>
|none
|none
|`300s`
|none
|===

[[es-apis]]
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