9241e1e7e6
Add new executor level memory metrics (JVM used memory, on/off heap execution memory, on/off heap storage memory, on/off heap unified memory, direct memory, and mapped memory), and expose via the executors REST API. This information will help provide insight into how executor and driver JVM memory is used, and for the different memory regions. It can be used to help determine good values for spark.executor.memory, spark.driver.memory, spark.memory.fraction, and spark.memory.storageFraction. ## What changes were proposed in this pull request? An ExecutorMetrics class is added, with jvmUsedHeapMemory, jvmUsedNonHeapMemory, onHeapExecutionMemory, offHeapExecutionMemory, onHeapStorageMemory, and offHeapStorageMemory, onHeapUnifiedMemory, offHeapUnifiedMemory, directMemory and mappedMemory. The new ExecutorMetrics is sent by executors to the driver as part of the Heartbeat. A heartbeat is added for the driver as well, to collect these metrics for the driver. The EventLoggingListener store information about the peak values for each metric, per active stage and executor. When a StageCompleted event is seen, a StageExecutorsMetrics event will be logged for each executor, with peak values for the stage. The AppStatusListener records the peak values for each memory metric. The new memory metrics are added to the executors REST API. ## How was this patch tested? New unit tests have been added. This was also tested on our cluster. Author: Edwina Lu <edlu@linkedin.com> Author: Imran Rashid <irashid@cloudera.com> Author: edwinalu <edwina.lu@gmail.com> Closes #21221 from edwinalu/SPARK-23429.2.
115 lines
1.7 KiB
Plaintext
115 lines
1.7 KiB
Plaintext
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