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julioarguello/heapdump.groovy

Created January 5, 2024 14:57
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[Heap dump using groovy] Take a heap dump from Groovy console #sapcommerce #performance
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heapdump.groovy
"tail /opt/hybris/data/hybristomcat.java.pid".execute().text
"jmap -dump:format=b,file=/NFS_DATA/transfer/incoming/export/20181014-heapdump.bin 91724".execute().text
"tar -zcvf /NFS_DATA/transfer/incoming/export/20181014-heapdump.bin.tgz /NFS_DATA/transfer/incoming/export/20181014-heapdump.bin.hprof".execute().text
"chmod 777 /NFS_DATA/transfer/incoming/export/20181014-heapdump.bin.addons".execute().text
"chmod 777 /NFS_DATA/transfer/incoming/export/20181014-heapdump.bin.tgz".execute().text
@julioarguello
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There are 3 steps:

  1. Identify PID
  2. Create heap dump
  3. Compress
  4. Grant permissions for download

@julioarguello
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Based on https://gitlab.com/-/snippets/1763108

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