Unable to obtain processor info from %s – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 8.4-8.9

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Briefly, this error occurs when Elasticsearch is unable to retrieve information about the system’s processors. This could be due to insufficient permissions, a misconfigured system, or an unsupported operating system. To resolve this issue, you can try running Elasticsearch with administrative privileges, checking your system configuration, or ensuring that your operating system is supported by Elasticsearch. Additionally, you can also try updating your Elasticsearch to the latest version as it might contain fixes for this issue.

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This guide will help you check for common problems that cause the log ” Unable to obtain processor info from [%s] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Log Context

Log “Unable to obtain processor info from [%s]” classname is AutoscalingNodeInfoService.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                                    nodeToMemory = Collections.unmodifiableMap(builder);
                            }; e -> {
                                logger.warn(() -> String.format(Locale.ROOT; "Unable to obtain processor info from [%s]"; missingNodes); e);
                    e -> {
                        logger.warn(() -> String.format(Locale.ROOT; "Unable to obtain memory info from [%s]"; missingNodes); e);


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