1510
61%
main: 61%

Ran 05 May 2018 02:01AM CUT

Jobs 1

Files 27

Run time 3s

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Build # 1510

Build Type

push

travis-ci

Committed by

web-flow

Commit Message

Add a new SetWithDiscard method. (#475)

Add a new SetWithDiscard method, which indicates discarding of earlier versions. This information is used by compaction to discard versions. Value log GC can then discard key-value pairs which are no longer in the LSM tree (due to removal by compactions). Thus, this simple change removes the need to have PurgeBelowTs and other PurgeOlderVersions methods. Note that PurgeOlderVersions method is already made obsolete by NumVersionsToKeep option.

Only the flip side, this would make the prediction of which value log can be removed harder. Though, compaction can tackle that by updating the discard stats for value log. Maybe in another PR.

Also simplifies MergeOperator code.

Run Details

4151 of 5178 relevant lines covered (80.17%)

79000.25 hits per line

Jobs

ID	Job ID	Ran	Files	Coverage
1	1510.1	05 May 2018 02:01AM CUT	0	80.17	Travis Job 1510.1

dgraph-io / badger / 1510
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main: 61%

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