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Merge pull request #18168 from karalabe/trie-better-cache-size-estimation

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trie: approximate the wasted cache metaspace closer
This commit is contained in:
Péter Szilágyi
2019-04-18 12:46:27 +03:00
committed by GitHub
parent 29bba5d0b2 d9d60a5a7f
commit d8dc37c85b
3 changed files with 59 additions and 15 deletions
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14
cmd/geth/main.go
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@ -234,6 +234,20 @@ func init() {
if err := debug.Setup(ctx, logdir); err != nil {
return err
}
// If we're a full node on mainnet without --cache specified, bump default cache allowance
if ctx.GlobalString(utils.SyncModeFlag.Name) != "light" && !ctx.GlobalIsSet(utils.CacheFlag.Name) && !ctx.GlobalIsSet(utils.NetworkIdFlag.Name) {
// Make sure we're not on any supported preconfigured testnet either
if !ctx.GlobalIsSet(utils.TestnetFlag.Name) && !ctx.GlobalIsSet(utils.RinkebyFlag.Name) && !ctx.GlobalIsSet(utils.GoerliFlag.Name) {
// Nope, we're really on mainnet. Bump that cache up!
log.Info("Bumping default cache on mainnet", "provided", ctx.GlobalInt(utils.CacheFlag.Name), "updated", 4096)
ctx.GlobalSet(utils.CacheFlag.Name, strconv.Itoa(4096))
}
}
// If we're running a light client on any network, drop the cache to some meaningfully low amount
if ctx.GlobalString(utils.SyncModeFlag.Name) == "light" && !ctx.GlobalIsSet(utils.CacheFlag.Name) {
log.Info("Dropping default light client cache", "provided", ctx.GlobalInt(utils.CacheFlag.Name), "updated", 128)
ctx.GlobalSet(utils.CacheFlag.Name, strconv.Itoa(128))
}
// Cap the cache allowance and tune the garbage collector
var mem gosigar.Mem
if err := mem.Get(); err == nil {