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Merge pull request #18211 from karalabe/drop-fd-limit

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cmd/utils: max out the OS file allowance, don't cap to 2K
This commit is contained in:
Péter Szilágyi 2018-12-07 14:10:03 +02:00 committed by GitHub
commit d2328b604a
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1 changed files with 3 additions and 8 deletions
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11
cmd/utils/flags.go
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@ -824,17 +824,12 @@ func setIPC(ctx *cli.Context, cfg *node.Config) {
// makeDatabaseHandles raises out the number of allowed file handles per process
// for Geth and returns half of the allowance to assign to the database.
func makeDatabaseHandles() int {
limit, err := fdlimit.Current()
limit, err := fdlimit.Maximum()
if err != nil {
Fatalf("Failed to retrieve file descriptor allowance: %v", err)
}
if limit < 2048 {
if err := fdlimit.Raise(2048); err != nil {
Fatalf("Failed to raise file descriptor allowance: %v", err)
}
}
if limit > 2048 { // cap database file descriptors even if more is available
limit = 2048
if err := fdlimit.Raise(uint64(limit)); err != nil {
Fatalf("Failed to raise file descriptor allowance: %v", err)
}
return limit / 2 // Leave half for networking and other stuff
}