beorn7

2 ms·

1. 1.▲
   by beorn7 12y ago

   The checkpointing is just a way to minimize sample losses from unfinished chunks upon a crash. If you don't care or if you don't crash, you can disable checkpointing. Normal operation will be the same. Invalidation of old data is
2. 2.▲
   by beorn7 12y ago

   We were tempted to implement our own data management in a couple of bigger files, but extensive testing of various modern file systems (XFS, ext4) resulted in the perhaps not surprising effect that those file systems are way better in manag
3. 3.▲
   by beorn7 12y ago

   (Disclaimer: I'm a Prometheus author.) Chunks are only written to that one file per time series once they are complete. Depending on their compression behavior, they will contain at least 64 samples, but usually a couple of hundreds. E