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Author SHA1 Message Date
Bryan Boreham 4d7532f60b tsdb: reset symbol table for exemplars periodically 
To avoid keeping the memory alive forever.

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
 2024-07-05 10:19:07 +01:00
Bryan Boreham 5281a6bc1b TSDB: rebuild labels symbol-table on each compaction 
Log begin/end for timing, plus some stats.

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
 2024-07-05 10:19:07 +01:00
Bryan Boreham 709c5d6fc3
TSDB: Lock around access to labels in head under -tags dedupelabels (#14322) 
* TSDB: Document what needs locking in memSeries

* TSDB: Lock around access to series labels

So we can modify them to reset the symbol-table.

* TSDB: Make label locking conditional on build tag

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Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
 2024-07-05 10:11:32 +01:00