Briefly, this error occurs when Elasticsearch is unable to process some results because the process was prematurely terminated or killed. This could be due to insufficient memory, high CPU usage, or an abrupt system shutdown. To resolve this issue, you can increase the memory allocated to Elasticsearch, optimize your queries to reduce CPU usage, or ensure that the system is not abruptly shut down during a process. Additionally, check your system logs to identify if any specific process is causing this issue and rectify it accordingly.
This guide will help you check for common problems that cause the log ” [{}] some results not processed due to the process being killed ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.
Log Context
Log “[{}] some results not processed due to the process being killed” classname is AutodetectResultProcessor.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
if (processKilled) {
// Don't log the stack trace in this case. Log just enough to hint
// that it would have been better to close jobs before shutting down;
// but we now fully expect jobs to move between nodes without doing
// all their graceful close activities.
logger.warn("[{}] some results not processed due to the process being killed"; jobId);
} else if (process.isProcessAliveAfterWaiting() == false) {
// Don't log the stack trace to not shadow the root cause.
logger.warn("[{}] some results not processed due to the termination of autodetect"; jobId);
} else {
// We should only get here if the iterator throws in which
