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Mas d31 i416 (#418)

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* Add compression controls (#417)

* Add compression controls

Add configuration options to allow for a compression algorithm of `none` to disable compression altogether.  Also an option to change the point in the LSM tree when compression is applied.

* Handle configurable defaults consistently

Move them into leveled.hrl.  This forces double-definitions to be resolved.

There are some other constants in leveled_bookie that are relevant outside of leveled_bookie.  These are all now in the non-configurable startup defaults section.

* Clarify referred-to default is OTP not leveled

* Update leveled_bookie.erl

Handle xref issue with eunit include
This commit is contained in:
Martin Sumner 2023-11-07 14:58:43 +00:00 • committed by GitHub
parent b96518c32a
commit 9e804924a8
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11 changed files with 338 additions and 163 deletions
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src/leveled_iclerk.erl
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@ -113,7 +113,7 @@
reload_strategy = ?DEFAULT_RELOAD_STRATEGY :: list(),
singlefile_compactionperc = ?SINGLEFILE_COMPACTION_TARGET :: float(),
maxrunlength_compactionperc = ?MAXRUNLENGTH_COMPACTION_TARGET ::float(),
compression_method = native :: lz4|native,
compression_method = native :: lz4|native|none,
scored_files = [] :: list(candidate()),
scoring_state :: scoring_state()|undefined,
score_onein = 1 :: pos_integer()}).