Re: A scene with unstable Spark performance

2022-05-18 Thread Chang Chen
This is a case where resources are fixed in the same SparkContext, but sqls have different priorities. Some SQLs are only allowed to be executed if there are spare resources, once the high priority sql comes in, those sqls taskset either are killed or stalled. If we set a high priority pool's mi

Re: A scene with unstable Spark performance

2022-05-17 Thread Bowen Song
From: Qian SUN Sent: Wednesday, May 18, 2022 9:32 To: Bowen Song Cc: user.spark Subject: Re: A scene with unstable Spark performance Hi. I think you need Spark dynamic resource allocation. Please refer to https://spark.apache.org/docs/latest/job-scheduling.html#dynamic