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document the "badger" markset type option

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This commit is contained in:
vyzo 2021-07-22 13:00:54 +03:00
parent be9530b66e
commit 12c3432b8d
1 changed files with 5 additions and 2 deletions
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7
blockstore/splitstore/splitstore.go
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@ -62,8 +62,11 @@ func init() {
type Config struct {
// MarkSetType is the type of mark set to use.
//
// Only current sane value is "map", but we may add an option for a disk-backed
// markset for memory-constrained situations.
// The default value is "map", which uses an in-memory map-backed markset.
// If you are constrained in memory (i.e. compaction runs out of memory), you
// can use "badger", which will use a disk-backed markset using badger.
// Note that compaction will take quite a bit longer when using the "badger" option,
// but that shouldn't really matter (as long as it is under 7.5hrs).
MarkSetType string
// DiscardColdBlocks indicates whether to skip moving cold blocks to the coldstore.