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Introduce the LOTUS_CHAIN_BADGERSTORE_DISABLE_FSYNC envvar

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Allows the user to control the opts.SyncWrites option of BadgerDs
This commit is contained in:
Peter Rabbitson 2021-07-21 22:37:59 +02:00
parent 90c8891f95
commit 4830a3406b
1 changed files with 15 additions and 0 deletions
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15
node/repo/fsrepo.go
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@ -327,6 +327,21 @@ func (fsr *fsLockedRepo) Blockstore(ctx context.Context, domain BlockstoreDomain
return
}
//
// Tri-state environment variable LOTUS_CHAIN_BADGERSTORE_DISABLE_FSYNC
// - unset == the default (currently fsync enabled)
// - set with a false-y value == fsync enabled no matter what a future default is
// - set with any other value == fsync is disabled ignored defaults (recommended for day-to-day use)
//
if nosyncBs, nosyncBsSet := os.LookupEnv("LOTUS_CHAIN_BADGERSTORE_DISABLE_FSYNC"); nosyncBsSet {
nosyncBs = strings.ToLower(nosyncBs)
if nosyncBs == "" || nosyncBs == "0" || nosyncBs == "false" || nosyncBs == "no" {
opts.SyncWrites = true
} else {
opts.SyncWrites = false
}
}
bs, err := badgerbs.Open(opts)
if err != nil {
fsr.bsErr = err