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This perspective completely ignores the use case of off-the-shelf software where you have limited or no capability to add "application metrics". Logs are invalu
by EvanAnderson 11y ago
This perspective completely ignores the use case of off-the-shelf software where you have limited or no capability to add "application metrics". Logs are invaluable in that scenario, which is arguably the majority of software deployments.
- jedberg 11y agoYou can extract application metrics from the local logs as they are output (and then redirected to /dev/null).
- shanemhansen 11y agoI've done this for Cassandra. While there are tons of jmx metrics exposed for Cassandra, last I checked the recommended way of logging compaction times was to tail the log. I even have a little project that tails logs and sends timestamps and values to graphite based on regexp: https://github.com/shanemhansen/graphitetailer https://github.com/shanemhansen/graphitetailer