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Export extstore_io_queue gauge #169

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merged 2 commits into from
May 23, 2023
Merged

Export extstore_io_queue gauge #169

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bbd9263
Add extstore_io_queue metric to track pending disk operations
May 4, 2023
b6fd04a
Parsing missing extstore_pages_free metric
May 4, 2023
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10 changes: 10 additions & 0 deletions pkg/exporter/exporter.go
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Original file line number Diff line number Diff line change
Expand Up @@ -126,6 +126,7 @@ type Exporter struct {
extstoreBytesUsed *prometheus.Desc
extstoreBytesLimit *prometheus.Desc
extstoreBytesFragmented *prometheus.Desc
extstoreIOQueueDepth *prometheus.Desc
acceptingConnections *prometheus.Desc
}

Expand Down Expand Up @@ -640,6 +641,12 @@ func New(server string, timeout time.Duration, logger log.Logger, tlsConfig *tls
nil,
nil,
),
extstoreIOQueueDepth: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, "", "extstore_io_queue_depth"),
"Number of items in the I/O queue waiting to be processed.",
nil,
nil,
),
acceptingConnections: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, "", "accepting_connections"),
"The Memcached server is currently accepting new connections.",
Expand Down Expand Up @@ -737,6 +744,7 @@ func (e *Exporter) Describe(ch chan<- *prometheus.Desc) {
ch <- e.extstoreBytesUsed
ch <- e.extstoreBytesFragmented
ch <- e.extstoreBytesLimit
ch <- e.extstoreIOQueueDepth
ch <- e.acceptingConnections
}

Expand Down Expand Up @@ -849,6 +857,7 @@ func (e *Exporter) parseStats(ch chan<- prometheus.Metric, stats map[net.Addr]me
e.parseAndNewMetric(ch, e.extstorePageAllocs, prometheus.CounterValue, s, "extstore_page_allocs"),
e.parseAndNewMetric(ch, e.extstorePageEvictions, prometheus.CounterValue, s, "extstore_page_evictions"),
e.parseAndNewMetric(ch, e.extstorePageReclaims, prometheus.CounterValue, s, "extstore_page_reclaims"),
e.parseAndNewMetric(ch, e.extstorePagesFree, prometheus.GaugeValue, s, "extstore_pages_free"),
e.parseAndNewMetric(ch, e.extstorePagesUsed, prometheus.GaugeValue, s, "extstore_pages_used"),
e.parseAndNewMetric(ch, e.extstoreObjectsEvicted, prometheus.CounterValue, s, "extstore_objects_evicted"),
e.parseAndNewMetric(ch, e.extstoreObjectsRead, prometheus.CounterValue, s, "extstore_objects_read"),
Expand All @@ -860,6 +869,7 @@ func (e *Exporter) parseStats(ch chan<- prometheus.Metric, stats map[net.Addr]me
e.parseAndNewMetric(ch, e.extstoreBytesUsed, prometheus.CounterValue, s, "extstore_bytes_used"),
e.parseAndNewMetric(ch, e.extstoreBytesFragmented, prometheus.GaugeValue, s, "extstore_bytes_fragmented"),
e.parseAndNewMetric(ch, e.extstoreBytesLimit, prometheus.GaugeValue, s, "extstore_limit_maxbytes"),
e.parseAndNewMetric(ch, e.extstoreIOQueueDepth, prometheus.GaugeValue, s, "extstore_io_queue"),
)
if err != nil {
parseError = err
Expand Down