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Author SHA1 Message Date
Bryan Boreham 87d909df4a
Remove symbols map from TSDB head (#9301) 
This saves memory, effort and locking.

Since every symbol is also added to postings, `Symbols()` can be
implemented there instead. This now has to build a map for
deduplication, but `Symbols()` is only called for compaction, and `gc()`
used to rebuild the symbols map after every compaction so not an
additional cost.

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
 2021-09-08 14:48:48 +05:30
Ganesh Vernekar 8002a3ab80
Breakdown tsdb/head.go into multiple files (#9147) 
Signed-off-by: Ganesh Vernekar <ganeshvern@gmail.com>
 2021-08-03 14:14:26 +02:00