milvus/pkg/util/hardware/mem_info_darwin.go
yah01 c96d07682e
enhance: enhance the accuracy of memory usage (#28554)
before this, Milvus use container/system's memory info to get the memory
usage, which could be inaccurate.

we allocates the memory by private anon mmap,
then `rss - shared` would be the accurate memory usage

resolve #28553

---------

Signed-off-by: yah01 <yah2er0ne@outlook.com>
2023-11-23 15:12:23 +08:00

55 lines
1.4 KiB
Go

// Copyright (C) 2019-2020 Zilliz. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//go:build darwin || openbsd || freebsd
// +build darwin openbsd freebsd
package hardware
import (
"github.com/shirou/gopsutil/v3/mem"
"go.uber.org/zap"
"github.com/milvus-io/milvus/pkg/log"
)
// GetUsedMemoryCount returns the memory usage in bytes.
func GetUsedMemoryCount() uint64 {
icOnce.Do(func() {
ic, icErr = inContainer()
})
if icErr != nil {
log.Error(icErr.Error())
return 0
}
if ic {
// in container, calculate by `cgroups`
used, err := getContainerMemUsed()
if err != nil {
log.Warn("failed to get container memory used", zap.Error(err))
return 0
}
return used
}
// not in container, calculate by `gopsutil`
stats, err := mem.VirtualMemory()
if err != nil {
log.Warn("failed to get memory usage count",
zap.Error(err))
return 0
}
return stats.Used
}