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Obtain heapdump through a shell where jmap is not available
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| #!/usr/bin/env bash | |
| shopt -s dotglob | |
| curl -LO https://github.com/apangin/jattach/releases/download/v1.5/jattach | |
| echo 'adab16e1081aa4fafc91f3f2e44262338a498d8f853d3c6801050889e6389548 jattach' | sha256sum --check --status | |
| chmod +x jattach | |
| ./jattach $(pidof java) dumpheap /opt/liferay/data/LiferaySupport/$(hostname)/$(date +%Y_%m_%d-%H_%M).hprof |
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