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[#776] cmd/node: Configure write-cache size limit

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Add `size_limit` config value to write-cache section. Add `SizeLimit` method
of `writecache.Config` type. Pass its value to `WithMaxCacheSize` option on
app construction.

Reflect config update in examples. Cover new value in unit test.

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
This commit is contained in:
Leonard Lyubich 2021-09-08 12:46:12 +03:00 • committed by Alex Vanin
parent a1696a81b6
commit 368e280413
6 changed files with 30 additions and 2 deletions
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19
cmd/neofs-node/config/engine/shard/writecache/config.go
View file

@ -21,6 +21,9 @@ const (
// WorkersNumberDefault is a default number of workers.
WorkersNumberDefault = 20
// SizeLimitDefault is a default write-cache size limit.
SizeLimitDefault = 1 << 30
)
// From wraps config section into Config.
@ -107,3 +110,19 @@ func (x *Config) WorkersNumber() int {
return WorkersNumberDefault
}
// SizeLimit returns value of "size_limit" config parameter.
//
// Returns SizeLimitDefault if value is not a positive number.
func (x *Config) SizeLimit() uint64 {
c := config.UintSafe(
(*config.Config)(x),
"size_limit",
)
if c > 0 {
return c
}
return SizeLimitDefault
}