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6df76ca73c
Following memory metrics will be added under /system/memory - available - buffers - cache - free - shared - total - used - used_perc
66 lines
2.2 KiB
Go
66 lines
2.2 KiB
Go
// Copyright (c) 2015-2024 MinIO, Inc.
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//
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// # This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package cmd
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import (
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"context"
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)
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const (
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memTotal = "total"
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memUsed = "used"
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memFree = "free"
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memBuffers = "buffers"
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memCache = "cache"
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memUsedPerc = "used_perc"
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memShared = "shared"
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memAvailable = "available"
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)
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var (
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memTotalMD = NewGaugeMD(memTotal, "Total memory on the node")
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memUsedMD = NewGaugeMD(memUsed, "Used memory on the node")
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memUsedPercMD = NewGaugeMD(memUsedPerc, "Used memory percentage on the node")
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memFreeMD = NewGaugeMD(memFree, "Free memory on the node")
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memBuffersMD = NewGaugeMD(memBuffers, "Buffers memory on the node")
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memCacheMD = NewGaugeMD(memCache, "Cache memory on the node")
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memSharedMD = NewGaugeMD(memShared, "Shared memory on the node")
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memAvailableMD = NewGaugeMD(memAvailable, "Available memory on the node")
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)
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// loadMemoryMetrics - `MetricsLoaderFn` for node memory metrics.
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func loadMemoryMetrics(ctx context.Context, m MetricValues, c *metricsCache) error {
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memMetrics, err := c.memoryMetrics.Get()
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if err != nil {
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metricsLogIf(ctx, err)
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return err
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}
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m.Set(memTotal, float64(memMetrics.Total))
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m.Set(memUsed, float64(memMetrics.Used))
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usedPerc := float64(memMetrics.Used) * 100 / float64(memMetrics.Total)
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m.Set(memUsedPerc, usedPerc)
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m.Set(memFree, float64(memMetrics.Free))
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m.Set(memBuffers, float64(memMetrics.Buffers))
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m.Set(memCache, float64(memMetrics.Cache))
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m.Set(memShared, float64(memMetrics.Shared))
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m.Set(memAvailable, float64(memMetrics.Available))
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return nil
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}
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