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Briefly, this error occurs when the system expects to find the ‘nr_throttled’ field in the data but it’s missing. This could be due to incorrect data input, a bug in the system, or a misconfiguration. To resolve this issue, you can: 1) Check the data input to ensure the ‘nr_throttled’ field is included and correctly formatted. 2) Review the system logs to identify any bugs or issues that may be causing the field to be omitted. 3) Verify the system configuration to ensure it’s set up to correctly handle the ‘nr_throttled’ field.
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This guide will help you check for common problems that cause the log ” Expected to see nr_throttled filed but found nothing ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: monitor.
Log Context
Log “Expected to see nr_throttled filed but found nothing” classname is OsProbe.java.
We extracted the following from OpenSearch source code for those seeking an in-depth context :
if (isCpuStatWarningsLogged.getAndSet(true) == false) {
if (numberOfPeriods == -1) {
logger.warn("Expected to see nr_periods filed but found nothing");
}
if (numberOfTimesThrottled == -1) {
logger.warn("Expected to see nr_throttled filed but found nothing");
}
if (timeThrottledNanos == -1) {
logger.warn("Expected to see throttled_time filed but found nothing");
}
}
