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ethdb/pebble: add more metrics

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This commit is contained in:
Gary Rong 2025-05-08 10:50:42 +08:00
parent 122e795f93
commit 515efca071
1 changed files with 42 additions and 15 deletions
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57
ethdb/pebble/pebble.go
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@ -60,21 +60,29 @@ type Database struct {
db *pebble.DB // Underlying pebble storage engine
namespace string // Namespace for metrics
compTimeMeter *metrics.Meter // Meter for measuring the total time spent in database compaction
compReadMeter *metrics.Meter // Meter for measuring the data read during compaction
compWriteMeter *metrics.Meter // Meter for measuring the data written during compaction
writeDelayNMeter *metrics.Meter // Meter for measuring the write delay number due to database compaction
writeDelayMeter *metrics.Meter // Meter for measuring the write delay duration due to database compaction
diskSizeGauge *metrics.Gauge // Gauge for tracking the size of all the levels in the database
diskReadMeter *metrics.Meter // Meter for measuring the effective amount of data read
diskWriteMeter *metrics.Meter // Meter for measuring the effective amount of data written
memCompGauge *metrics.Gauge // Gauge for tracking the number of memory compaction
level0CompGauge *metrics.Gauge // Gauge for tracking the number of table compaction in level0
nonlevel0CompGauge *metrics.Gauge // Gauge for tracking the number of table compaction in non0 level
seekCompGauge *metrics.Gauge // Gauge for tracking the number of table compaction caused by read opt
manualMemAllocGauge *metrics.Gauge // Gauge for tracking amount of non-managed memory currently allocated
levelsGauge []*metrics.Gauge // Gauge for tracking the number of tables in levels
compTimeMeter *metrics.Meter // Meter for measuring the total time spent in database compaction
compReadMeter *metrics.Meter // Meter for measuring the data read during compaction
compWriteMeter *metrics.Meter // Meter for measuring the data written during compaction
writeDelayNMeter *metrics.Meter // Meter for measuring the write delay number due to database compaction
writeDelayMeter *metrics.Meter // Meter for measuring the write delay duration due to database compaction
diskSizeGauge *metrics.Gauge // Gauge for tracking the size of all the levels in the database
diskReadMeter *metrics.Meter // Meter for measuring the effective amount of data read
diskWriteMeter *metrics.Meter // Meter for measuring the effective amount of data written
memCompGauge *metrics.Gauge // Gauge for tracking the number of memory compaction
level0CompGauge *metrics.Gauge // Gauge for tracking the number of table compaction in level0
nonlevel0CompGauge *metrics.Gauge // Gauge for tracking the number of table compaction in non0 level
seekCompGauge *metrics.Gauge // Gauge for tracking the number of table compaction caused by read opt
manualMemAllocGauge *metrics.Gauge // Gauge for tracking amount of non-managed memory currently allocated
liveMemTablesGauge *metrics.Gauge // Gauge for tracking the number of live memory tables
zombieMemTablesGauge *metrics.Gauge // Gauge for tracking the number of zombie memory tables
blockCacheHitGauge *metrics.Gauge // Gauge for tracking the number of total hit in the block cache
blockCacheMissGauge *metrics.Gauge // Gauge for tracking the number of total miss in the block cache
tableCacheHitGauge *metrics.Gauge // Gauge for tracking the number of total hit in the table cache
tableCacheMissGauge *metrics.Gauge // Gauge for tracking the number of total miss in the table cache
filterHitGauge *metrics.Gauge // Gauge for tracking the number of total hit in bloom filter
filterMissGauge *metrics.Gauge // Gauge for tracking the number of total miss in bloom filter
estimatedCompDebtGauge *metrics.Gauge // Gauge for tracking the number of bytes that need to be compacted
levelsGauge []*metrics.Gauge // Gauge for tracking the number of tables in levels
quitLock sync.RWMutex // Mutex protecting the quit channel and the closed flag
quitChan chan chan error // Quit channel to stop the metrics collection before closing the database
@ -276,6 +284,15 @@ func New(file string, cache int, handles int, namespace string, readonly bool) (
db.nonlevel0CompGauge = metrics.GetOrRegisterGauge(namespace+"compact/nonlevel0", nil)
db.seekCompGauge = metrics.GetOrRegisterGauge(namespace+"compact/seek", nil)
db.manualMemAllocGauge = metrics.GetOrRegisterGauge(namespace+"memory/manualalloc", nil)
db.liveMemTablesGauge = metrics.GetOrRegisterGauge(namespace+"table/live", nil)
db.zombieMemTablesGauge = metrics.GetOrRegisterGauge(namespace+"table/zombie", nil)
db.estimatedCompDebtGauge = metrics.GetOrRegisterGauge(namespace+"compact/estimateDebt", nil)
db.blockCacheHitGauge = metrics.GetOrRegisterGauge(namespace+"cache/block/hit", nil)
db.blockCacheMissGauge = metrics.GetOrRegisterGauge(namespace+"cache/block/miss", nil)
db.tableCacheHitGauge = metrics.GetOrRegisterGauge(namespace+"cache/table/hit", nil)
db.tableCacheMissGauge = metrics.GetOrRegisterGauge(namespace+"cache/table/miss", nil)
db.filterHitGauge = metrics.GetOrRegisterGauge(namespace+"filter/hit", nil)
db.filterMissGauge = metrics.GetOrRegisterGauge(namespace+"filter/miss", nil)
// Start up the metrics gathering and return
go db.meter(metricsGatheringInterval, namespace)
@ -524,6 +541,16 @@ func (d *Database) meter(refresh time.Duration, namespace string) {
d.level0CompGauge.Update(level0CompCount)
d.seekCompGauge.Update(stats.Compact.ReadCount)
d.liveMemTablesGauge.Update(stats.MemTable.Count)
d.zombieMemTablesGauge.Update(stats.MemTable.ZombieCount)
d.estimatedCompDebtGauge.Update(int64(stats.Compact.EstimatedDebt))
d.tableCacheHitGauge.Update(stats.TableCache.Hits)
d.tableCacheMissGauge.Update(stats.TableCache.Misses)
d.blockCacheHitGauge.Update(stats.BlockCache.Hits)
d.blockCacheMissGauge.Update(stats.BlockCache.Misses)
d.filterHitGauge.Update(stats.Filter.Hits)
d.filterMissGauge.Update(stats.Filter.Misses)
for i, level := range stats.Levels {
// Append metrics for additional layers
if i >= len(d.levelsGauge) {