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cmd: special case default cache allowance (4GB mainnet, 128MB ligh)

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Péter Szilágyi 2019-04-12 12:06:43 +03:00
parent 4a4abc41d4
commit d9d60a5a7f
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2 changed files with 15 additions and 1 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 { if err := debug.Setup(ctx, logdir); err != nil {
return err 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 // Cap the cache allowance and tune the garbage collector
var mem gosigar.Mem var mem gosigar.Mem
if err := mem.Get(); err == nil { if err := mem.Get(); err == nil {

2
cmd/utils/flags.go
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@ -331,7 +331,7 @@ var (
// Performance tuning settings // Performance tuning settings
CacheFlag = cli.IntFlag{ CacheFlag = cli.IntFlag{
Name: "cache", Name: "cache",
Usage: "Megabytes of memory allocated to internal caching", Usage: "Megabytes of memory allocated to internal caching (default = 4096 mainnet full node, 128 light mode)",
Value: 1024, Value: 1024,
} }
CacheDatabaseFlag = cli.IntFlag{ CacheDatabaseFlag = cli.IntFlag{