Update Cortex scaling dashboard: #273
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- Aim for 1.5M series per ingester - Use recording rules to make some queries faster. Signed-off-by: Tom Wilkie <[email protected]>
Signed-off-by: Tom Wilkie <[email protected]>
pracucci
reviewed
Mar 17, 2021
| cortex_ingester_chunk_size_bytes_sum{cluster=~"$cluster", namespace=~"$namespace", job=~".+/ingester"} | ||
| / | ||
| cortex_ingester_chunk_size_bytes_count{cluster=~"$cluster", namespace=~"$namespace", job=~".+/ingester"} | ||
| increase(cortex_ingester_tsdb_storage_blocks_bytes{cluster=~"$cluster", namespace=~"$namespace", job=~".+/ingester"}[24h]) |
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I don't think this is correct. cortex_ingester_tsdb_storage_blocks_bytes is the size of compacted blocks on disk (but not deleted by TSDB retention yet) while I guess you want in-memory series. We don't have a specific metric for that. Should we use the go heap or container working set memory?
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How long do we keep blocks on disk in the ingesters - 96h? I suggest we try and size memcached proportional to size of the blocks on disk - say, 1/4 of that.
Signed-off-by: Tom Wilkie <[email protected]>
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Pretty sure this was all covered in #278 |
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Signed-off-by: Tom Wilkie [email protected]