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Briefly, this error occurs when OpenSearch is unable to extend the startup timeout via the sd_notify function. This could be due to a misconfiguration or an issue with the system’s notification mechanism. To resolve this issue, you can try the following: 1) Check and correct the OpenSearch configuration settings, 2) Ensure that the system’s notification mechanism is working properly, 3) Update or reinstall OpenSearch to fix any potential bugs, and 4) Check the system’s resources to ensure they are sufficient for OpenSearch’s operation.
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This guide will help you check for common problems that cause the log ” extending startup timeout via sd_notify failed with [{}] ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: .
Log Context
Log “extending startup timeout via sd_notify failed with [{}]” classname is SystemdPlugin.java.
We extracted the following from OpenSearch source code for those seeking an in-depth context :
* this scheduled task after we successfully notify systemd that we are ready.
*/
extender.set(threadPool.scheduleWithFixedDelay(() -> {
final int rc = sd_notify(0; "EXTEND_TIMEOUT_USEC=30000000");
if (rc
