Unable to retrieve resource limits: – How to solve related issues

Opster Team

Jan-20, Version: 1.7-8.0

Before you begin reading this guide, we recommend you run Elasticsearch Error Check-Up which analyzes 2 JSON files to detect many errors.

To easily locate the root cause and resolve this issue try AutoOps for Elasticsearch & OpenSearch. It diagnoses problems by analyzing hundreds of metrics collected by a lightweight agent and offers guidance for resolving them.

This guide will help you check for common problems that cause the log ” Unable to retrieve resource limits: ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: bootstrap.

Log Context

Log “Unable to retrieve resource limits: {}” classname is JNANatives.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                 if (JNACLibrary.getrlimit(JNACLibrary.RLIMIT_MEMLOCK; rlimit) == 0) {
                    rlimitSuccess = true;
                    softLimit = rlimit.rlim_cur.longValue();
                    hardLimit = rlimit.rlim_max.longValue();
                } else {
                    logger.warn("Unable to retrieve resource limits: {}"; JNACLibrary.strerror(Native.getLastError()));
        } catch (UnsatisfiedLinkError e) {
            // this will have already been logged by CLibrary; no need to repeat it


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