diff options
author | Arne Juul <arnej@yahooinc.com> | 2022-09-29 10:00:15 +0000 |
---|---|---|
committer | Arne Juul <arnej@yahooinc.com> | 2022-09-29 10:13:43 +0000 |
commit | 4f408f71907bd30ff69e2474dcfce715195d87f0 (patch) | |
tree | ac65f990ab4b110e3c662ab1eb82264a6423a111 /client | |
parent | adab677d1e10eb1157ba3cf0b56a4fdfea0da0a7 (diff) |
add some rlimit adjustments
Diffstat (limited to 'client')
-rw-r--r-- | client/go/script-utils/startcbinary/setrlimit.go | 58 | ||||
-rw-r--r-- | client/go/script-utils/startcbinary/setrlimit_windows.go | 18 | ||||
-rw-r--r-- | client/go/script-utils/startcbinary/tuning.go | 3 |
3 files changed, 79 insertions, 0 deletions
diff --git a/client/go/script-utils/startcbinary/setrlimit.go b/client/go/script-utils/startcbinary/setrlimit.go new file mode 100644 index 00000000000..5d7f33d5a0e --- /dev/null +++ b/client/go/script-utils/startcbinary/setrlimit.go @@ -0,0 +1,58 @@ +// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root. + +//go:build !windows + +package startcbinary + +import ( + "github.com/vespa-engine/vespa/client/go/trace" + "golang.org/x/sys/unix" + "os" +) + +type ResourceId int + +const ( + RLIMIT_CORE ResourceId = unix.RLIMIT_AS + RLIMIT_NOFILE ResourceId = unix.RLIMIT_NOFILE + RLIMIT_NPROC ResourceId = unix.RLIMIT_NPROC + NO_RLIMIT uint64 = ^uint64(0) +) + +func (rid ResourceId) String() string { + switch rid { + case RLIMIT_CORE: + return "core file size" + case RLIMIT_NOFILE: + return "open files" + case RLIMIT_NPROC: + return "max user processes" + } + return "unknown resource id" +} + +func setResourceLimit(resource ResourceId, newVal uint64) { + var current unix.Rlimit + err := unix.Getrlimit(int(resource), ¤t) + if err != nil { + trace.Warning("Could not get current resource limit:", err) + return + } + wanted := current + if current.Max < newVal { + if os.Getuid() == 0 { + wanted.Max = newVal + } else { + newVal = current.Max + } + } + if current.Cur < newVal { + wanted.Cur = newVal + } + err = unix.Setrlimit(int(resource), &wanted) + if err != nil { + trace.Trace("Failed setting resource limit:", err) + } else { + trace.Trace("Resource limit", resource, "adjusted OK:", wanted.Cur, "/", wanted.Max) + } +} diff --git a/client/go/script-utils/startcbinary/setrlimit_windows.go b/client/go/script-utils/startcbinary/setrlimit_windows.go new file mode 100644 index 00000000000..5bed1916246 --- /dev/null +++ b/client/go/script-utils/startcbinary/setrlimit_windows.go @@ -0,0 +1,18 @@ +// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root. + +//go:build windows + +package startcbinary + +type ResourceId int + +const ( + RLIMIT_CORE ResourceId = iota + RLIMIT_NOFILE + RLIMIT_NPROC + NO_RLIMIT uint64 = ^uint64(0) +) + +func setResourceLimit(resource ResourceId, max uint64) { + // nop +} diff --git a/client/go/script-utils/startcbinary/tuning.go b/client/go/script-utils/startcbinary/tuning.go index e528d44e2d0..80fec7cc6c2 100644 --- a/client/go/script-utils/startcbinary/tuning.go +++ b/client/go/script-utils/startcbinary/tuning.go @@ -44,4 +44,7 @@ func getThpSizeMb() int { func (spec *ProgSpec) configureTuning() { spec.optionallyReduceBaseFrequency() + setResourceLimit(RLIMIT_CORE, NO_RLIMIT) + setResourceLimit(RLIMIT_NOFILE, 262144) + setResourceLimit(RLIMIT_NPROC, 409600) } |