e295995959
* fix #194 add server side metrics system * add spark session cache size * add ut * add ut * add doc
28 lines
1.3 KiB
Markdown
28 lines
1.3 KiB
Markdown
# Kyuubi Server Metrics
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The metrics that Kyuubi collects can be found at `spark.kyuubi.metrics.report.location` as a json format file.
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## Configurations
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Name|Default|Added In|Description
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---|---|---|---
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spark.kyuubi.<br />metrics.enabled|true|0.7.0|Whether to enable kyuubi metrics system
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spark.kyuubi.<br />metrics.reporter|JSON|0.7.0|Comma separated list of reporters for kyuubi metrics system, candidates: JMX,CONSOLE,JSON
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spark.kyuubi.<br />metrics.report.interval|5s|0.7.0|How often should report metrics to json/console. no effect on JMX
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spark.kyuubi.<br />metrics.report.location|${KYUUBI_HOME}/metrics/report.json|0.7.0|Where the json metrics file located
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## Metrics
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Metrics Name|Type|Added In|Description
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exec_async_pool_size|gauge|0.7.0| backend service executive threadpool size
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exec_async_queue_size|gauge|0.7.0| backend service executive threadpool wait queue size
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error_queries|counter|0.7.0| total failed queris
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open_connections|counter|0.7.0| current opened connections
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open_operations|counter|0.7.0| current opened operations
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running_queries|counter|0.7.0| current running sql queries
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spark_session_cache_size|gauge|0.7.0| current caches for SparkSession/SparkContext
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total_connections|counter|0.7.0| cumulative connection count
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total_queries|counter|0.7.0| cumulative sql quries
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