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Can anyone explain about watchdog

HMaddipati
Newcomer

As I am new to dynatrace tool. Not aware anything about watchdog. Can anyone explain what is it and why we require in dynatrace managed?

1 REPLY 1

dave_mauney
Dynatrace Champion
Dynatrace Champion

Watchdog is a name commonly used for a process that restarts another process or other processes in the event they go down.

This is the comment at the top of the watchdog.sh script:

Watchdog - script for keeping the given component running

In the examples below, you can see what is being watched by reviewing the "watch" parameter:

dynatra+ 3426 1 0 Mar09 ? 00:00:00 /bin/sh /opt/dynatrace-managed/services/watchdog.sh watch /opt/dynatrace-managed/services/cassandra.sh

dynatra+ 3570 1 0 Mar09 ? 00:00:00 /bin/sh /opt/dynatrace-managed/nodekeeper/services/watchdog.sh watch /opt/dynatrace-managed/nodekeeper/services/nodekeeper.sh

dynatra+ 4057 1 0 Mar09 ? 00:00:00 /bin/sh /opt/dynatrace-managed/services/watchdog.sh watch /opt/dynatrace-managed/services/elasticseach.sh