denny

Check all ES indices have more than $min_replica_count replicas Check more: https://www.dennyzhang.com/es_shard

Make sure ES indices have enough shards. Check more: https://www.dennyzhang.com/es_shard

If too many files under a folder, raise an alert. Check more: https://github.com/DennyZhang/monitoring/tree/master/files/check_file_count

Check CPU used by a given process Check more: https://www.dennyzhang.com/nagois_monitor_process_cpu

Check fd count opened by a given process Check more: https://www.dennyzhang.com/nagois_monitor_process_fd

Check memory used by a given process Check more: https://www.dennyzhang.com/nagois_monitor_process_memory

Nagios Monitor thread count of a given program Check more: https://github.com/DennyZhang/monitoring/tree/master/process/check_proc_threadcount

If too many pattern of log entries has happened recently, raise alerts Check more: https://github.com/DennyZhang/monitoring/blob/master/files/log_pattern_frequency.py

Monitor Out-Of-Memory Errors In Your Servers Check more: https://www.dennyzhang.com/monitor_oom