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3 commits

Author SHA1 Message Date
Ganesh Vernekar 19e98e5469
Support storing the zero threshold in the histogram chunk (#9165) 
Signed-off-by: Ganesh Vernekar <ganeshvern@gmail.com>
 2021-08-06 18:08:41 +05:30
beorn7 518b77c59d Fix a few trivial style nits 
Signed-off-by: beorn7 <beorn@grafana.com>
 2021-07-01 17:11:54 +02:00
Dieter Plaetinck 4d27816ea5
Sparsehistogram: improve dod encoding, testing, encode chunk metadata (#9015) 
* factor out different varbit schemes and include Beorn's "optimum" for buckets

Signed-off-by: Dieter Plaetinck <dieter@grafana.com>

* use more compact dod encoding scheme for SHS chunk columns

Signed-off-by: Dieter Plaetinck <dieter@grafana.com>

* remove FB VB and xor dod encoding because we won't use it

Signed-off-by: Dieter Plaetinck <dieter@grafana.com>

* HistoChunk metadata encoding

Signed-off-by: Dieter Plaetinck <dieter@grafana.com>

* add SparseHistogram.Copy()

Signed-off-by: Dieter Plaetinck <dieter@grafana.com>

* histogram test: test appending a few histograms

Signed-off-by: Dieter Plaetinck <dieter@grafana.com>

* add license headers

Signed-off-by: Dieter Plaetinck <dieter@grafana.com>
 2021-06-30 16:15:43 +05:30