How To Solve Issues Related to Log – Unable to retrieve max number of threads

How To Solve Issues Related to Log – Unable to retrieve max number of threads

Updated: Jan-20

Elasticsearch Version: 1.7-8.0

Background

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To troubleshoot log “Unable to retrieve max number of threads” it’s important to understand a few problems related to Elasticsearch concepts bootstrap, threads. See bellow important tips and explanations on these concepts

Log Context

Log”Unable to retrieve max number of threads [“ classname is JNANatives.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 
            final JNACLibrary.Rlimit rlimit = new JNACLibrary.Rlimit();
            if (JNACLibrary.getrlimit(rlimit_nproc; rlimit) == 0) {
                MAX_NUMBER_OF_THREADS = rlimit.rlim_cur.longValue();
            } else {
                logger.warn("unable to retrieve max number of threads [" + JNACLibrary.strerror(Native.getLastError()) + "]");
            }
        }
    }

    static void trySetMaxSizeVirtualMemory() {




Related issues to this log

We have gathered selected Q&A from the community and issues from Github, that can help fix related issues please review the following for further information :

1 Elasticsearch – Bootstrap checks failing

31.09 K 12

Cant Start Fresh Install Of Es 5 0  

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