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badger: reduce memory footprint with better default options

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They are the same that go-ipfs has started using, our users can
always overwrite them though (unlike go-ipfs).
This commit is contained in:
Hector Sanjuan 2020-04-01 13:18:41 +02:00
parent e3e14bd15f
commit c072682306
1 changed files with 10 additions and 1 deletions
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11
datastore/badger/config.go
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@ -22,13 +22,22 @@ const (
)
var (
// DefaultBadgerOptions has to be a var because badger.DefaultOptions is.
// DefaultBadgerOptions has to be a var because badger.DefaultOptions
// is. Values are customized during Init().
DefaultBadgerOptions badger.Options
)
func init() {
// Following go-ds-badger guidance
DefaultBadgerOptions = badger.DefaultOptions("")
DefaultBadgerOptions.CompactL0OnClose = false
DefaultBadgerOptions.Truncate = true
DefaultBadgerOptions.ValueLogLoadingMode = options.FileIO
// Explicitly set this to mmap. This doesn't use much memory anyways.
DefaultBadgerOptions.TableLoadingMode = options.MemoryMap
// Reduce this from 64MiB to 16MiB. That means badger will hold on to
// 20MiB by default instead of 80MiB.
DefaultBadgerOptions.MaxTableSize = 16 << 20
}
// Config is used to initialize a BadgerDB datastore. It implements the