elasticsearch insufficient memory
When starting elasticsearch on CentOS 7 server, it failed with error. Checking the logs with
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journalctl -u elasticsearch |
Found following errors
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systemd[1]: Starting Elasticsearch... systemd-entrypoint[2438]: Exception in thread "main" java.lang.RuntimeException: starting java failed with [1] systemd-entrypoint[2438]: output: systemd-entrypoint[2438]: # systemd-entrypoint[2438]: # There is insufficient memory for the Java Runtime Environment to continue. systemd-entrypoint[2438]: # Native memory allocation (mmap) failed to map 16710107136 bytes for committing reserved memory. systemd-entrypoint[2438]: # An error report file with more information is saved as: systemd-entrypoint[2438]: # /var/log/elasticsearch/hs_err_pid2576.log systemd-entrypoint[2438]: error: systemd-entrypoint[2438]: OpenJDK 64-Bit Server VM warning: INFO: os::commit_memory(0x00000003dc000000, 16710107136, 0) failed; error='Not enough space' (errno= systemd-entrypoint[2438]: at org.elasticsearch.tools.launchers.JvmOption.flagsFinal(JvmOption.java:119) systemd-entrypoint[2438]: at org.elasticsearch.tools.launchers.JvmOption.findFinalOptions(JvmOption.java:81) systemd-entrypoint[2438]: at org.elasticsearch.tools.launchers.JvmErgonomics.choose(JvmErgonomics.java:38) systemd-entrypoint[2438]: at org.elasticsearch.tools.launchers.JvmOptionsParser.jvmOptions(JvmOptionsParser.java:135) systemd-entrypoint[2438]: at org.elasticsearch.tools.launchers.JvmOptionsParser.main(JvmOptionsParser.java:86) systemd[1]: elasticsearch.service: main process exited, code=exited, status=1/FAILURE systemd[1]: Failed to start Elasticsearch. systemd[1]: Unit elasticsearch.service entered failed state. systemd[1]: elasticsearch.service failed. |
To fix it, edit file
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/etc/elasticsearch/jvm.options |
At end of the file, add
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-Xms1g -Xmx1g |
Restart elasticsearch with
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systemctl restart elasticsearch |
Verify elasticsearch is running with
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systemctl restart elasticsearch curl localhost:9200 |
See elasticsearch