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Category: JVM

  • jmap heap dump

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    jpuyy
    in

    HOW TO CAPTURE HEAP DUMP? – JMAP, – XX:+HEAPDUMPONOUTOFMEMORYERROR JHAT – HEAP DUMP ANALYSIS 切换到跑 java 进程所用的用户 [ops@serv001.prod.dri etl] $ jmap -dump:live,file=/tmp/kafka_hdfs_1_minute.bin pid [ops@serv001.prod.dri etl] $ jmap -dump:live,file=/tmp/kafka_hdfs_15_minute.bin pid 类似的工具还有 jps, jstack, jmap, etc.