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Merge pull request #21028 from karalabe/memfix-32bit-arch

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cmd/geth: handle memfixes on 32bit arch with large RAM
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Péter Szilágyi 2020-05-06 12:58:51 +03:00 committed by GitHub
commit 292570ad6c
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1 changed files with 4 additions and 0 deletions
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4
cmd/geth/main.go
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@ -314,6 +314,10 @@ func prepare(ctx *cli.Context) {
// Check https://github.com/elastic/gosigar#supported-platforms // Check https://github.com/elastic/gosigar#supported-platforms
if runtime.GOOS != "openbsd" { if runtime.GOOS != "openbsd" {
if err := mem.Get(); err == nil { if err := mem.Get(); 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) allowance := int(mem.Total / 1024 / 1024 / 3)
if cache := ctx.GlobalInt(utils.CacheFlag.Name); cache > allowance { if cache := ctx.GlobalInt(utils.CacheFlag.Name); cache > allowance {
log.Warn("Sanitizing cache to Go's GC limits", "provided", cache, "updated", allowance) log.Warn("Sanitizing cache to Go's GC limits", "provided", cache, "updated", allowance)