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cmd/utils: move cache sanity check to SetEthConfig (#22510)

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Move the cache sanity check to the SetEthConfig function
to allow the config file to load.
This commit is contained in:
Peter Simard 2021-04-06 10:23:35 -04:00 committed by GitHub
parent 5338ce4447
commit 95219ae62d
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 23 additions and 22 deletions
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22
cmd/geth/main.go
View File

@ -19,9 +19,7 @@ package main
import (
"fmt"
"math"
"os"
godebug "runtime/debug"
"sort"
"strconv"
"strings"
@ -41,7 +39,6 @@ import (
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/metrics"
"github.com/ethereum/go-ethereum/node"
gopsutil "github.com/shirou/gopsutil/mem"
"gopkg.in/urfave/cli.v1"
)
@ -300,25 +297,6 @@ func prepare(ctx *cli.Context) {
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
mem, err := gopsutil.VirtualMemory()
if err == nil {
if 32<<(^uintptr(0)>>63) == 32 && mem.Total > 2*1024*1024*1024 {
log.Warn("Lowering memory allowance on 32bit arch", "available", mem.Total/1024/1024, "addressable", 2*1024)
mem.Total = 2 * 1024 * 1024 * 1024
}
allowance := int(mem.Total / 1024 / 1024 / 3)
if cache := ctx.GlobalInt(utils.CacheFlag.Name); cache > allowance {
log.Warn("Sanitizing cache to Go's GC limits", "provided", cache, "updated", allowance)
ctx.GlobalSet(utils.CacheFlag.Name, strconv.Itoa(allowance))
}
}
// Ensure Go's GC ignores the database cache for trigger percentage
cache := ctx.GlobalInt(utils.CacheFlag.Name)
gogc := math.Max(20, math.Min(100, 100/(float64(cache)/1024)))
log.Debug("Sanitizing Go's GC trigger", "percent", int(gogc))
godebug.SetGCPercent(int(gogc))
// Start metrics export if enabled
utils.SetupMetrics(ctx)

23
cmd/utils/flags.go
View File

@ -22,9 +22,11 @@ import (
"fmt"
"io"
"io/ioutil"
"math"
"math/big"
"os"
"path/filepath"
godebug "runtime/debug"
"strconv"
"strings"
"text/tabwriter"
@ -65,6 +67,7 @@ import (
"github.com/ethereum/go-ethereum/p2p/netutil"
"github.com/ethereum/go-ethereum/params"
pcsclite "github.com/gballet/go-libpcsclite"
gopsutil "github.com/shirou/gopsutil/mem"
"gopkg.in/urfave/cli.v1"
)
@ -1473,6 +1476,26 @@ func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *ethconfig.Config) {
setWhitelist(ctx, cfg)
setLes(ctx, cfg)
// Cap the cache allowance and tune the garbage collector
mem, err := gopsutil.VirtualMemory()
if err == nil {
if 32<<(^uintptr(0)>>63) == 32 && mem.Total > 2*1024*1024*1024 {
log.Warn("Lowering memory allowance on 32bit arch", "available", mem.Total/1024/1024, "addressable", 2*1024)
mem.Total = 2 * 1024 * 1024 * 1024
}
allowance := int(mem.Total / 1024 / 1024 / 3)
if cache := ctx.GlobalInt(CacheFlag.Name); cache > allowance {
log.Warn("Sanitizing cache to Go's GC limits", "provided", cache, "updated", allowance)
ctx.GlobalSet(CacheFlag.Name, strconv.Itoa(allowance))
}
}
// Ensure Go's GC ignores the database cache for trigger percentage
cache := ctx.GlobalInt(CacheFlag.Name)
gogc := math.Max(20, math.Min(100, 100/(float64(cache)/1024)))
log.Debug("Sanitizing Go's GC trigger", "percent", int(gogc))
godebug.SetGCPercent(int(gogc))
if ctx.GlobalIsSet(SyncModeFlag.Name) {
cfg.SyncMode = *GlobalTextMarshaler(ctx, SyncModeFlag.Name).(*downloader.SyncMode)
}