How To Solve Issues Related to Log – Unable to parse vm.maxmapcount

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Related Issues – selected resources on related issues  
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Troubleshooting background

To troubleshoot Elasticsearch log “Unable to parse vm.maxmapcount” it’s important to know common problems related to Elasticsearch concepts: bootstrap, checks. See below-detailed explanations complete with common problems, examples and useful tips.


To help troubleshoot related issues we have gathered selected Q&A from the community and issues from Github , please review the following for further information :

Docker – ELK – vm.max_map_count
stackoverflow.com/questions/41064572/docker-elk-vm-max-map-count

Number of Views : 19.70 K  Score on Stackoverflow : 14

Update max_map_count for ElasticSearch docker container Mac host
stackoverflow.com/questions/41192680/update-max-map-count-for-elasticsearch-docker-container-mac-host

Number of Views : 11.08 K  Score on Stackoverflow : 20


Log Context

Log ”Unable to parse vm.maxmapcount” classname is BootstrapChecks.java
We have extracted the following from Elasticsearch source code to get an in-depth context :

                 final String rawProcSysVmMaxMapCount = readProcSysVmMaxMapCount(bufferedReader);
                if (rawProcSysVmMaxMapCount != null) {
                    try {
                        return parseProcSysVmMaxMapCount(rawProcSysVmMaxMapCount);
                    } catch (final NumberFormatException e) {
                        logger.warn(() -> new ParameterizedMessage("unable to parse vm.max_map_count [{}]"; rawProcSysVmMaxMapCount); e);
                    }
                }
            } catch (final IOException e) {
                logger.warn(() -> new ParameterizedMessage("I/O exception while trying to read [{}]"; path); e);
            }






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