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Merge pull request #20415 from karalabe/trie-dirty-cache-metrics

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trie: track dirty cache metrics, track clean writes on commit
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Péter Szilágyi 2019-12-02 12:51:00 +02:00 committed by GitHub
commit c2d65d34d5
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1 changed files with 16 additions and 0 deletions
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16
trie/database.go
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@ -38,6 +38,11 @@ var (
memcacheCleanReadMeter = metrics.NewRegisteredMeter("trie/memcache/clean/read", nil) memcacheCleanReadMeter = metrics.NewRegisteredMeter("trie/memcache/clean/read", nil)
memcacheCleanWriteMeter = metrics.NewRegisteredMeter("trie/memcache/clean/write", nil) memcacheCleanWriteMeter = metrics.NewRegisteredMeter("trie/memcache/clean/write", nil)
memcacheDirtyHitMeter = metrics.NewRegisteredMeter("trie/memcache/dirty/hit", nil)
memcacheDirtyMissMeter = metrics.NewRegisteredMeter("trie/memcache/dirty/miss", nil)
memcacheDirtyReadMeter = metrics.NewRegisteredMeter("trie/memcache/dirty/read", nil)
memcacheDirtyWriteMeter = metrics.NewRegisteredMeter("trie/memcache/dirty/write", nil)
memcacheFlushTimeTimer = metrics.NewRegisteredResettingTimer("trie/memcache/flush/time", nil) memcacheFlushTimeTimer = metrics.NewRegisteredResettingTimer("trie/memcache/flush/time", nil)
memcacheFlushNodesMeter = metrics.NewRegisteredMeter("trie/memcache/flush/nodes", nil) memcacheFlushNodesMeter = metrics.NewRegisteredMeter("trie/memcache/flush/nodes", nil)
memcacheFlushSizeMeter = metrics.NewRegisteredMeter("trie/memcache/flush/size", nil) memcacheFlushSizeMeter = metrics.NewRegisteredMeter("trie/memcache/flush/size", nil)
@ -321,6 +326,8 @@ func (db *Database) insert(hash common.Hash, blob []byte, node node) {
if _, ok := db.dirties[hash]; ok { if _, ok := db.dirties[hash]; ok {
return return
} }
memcacheDirtyWriteMeter.Mark(int64(len(blob)))
// Create the cached entry for this node // Create the cached entry for this node
entry := &cachedNode{ entry := &cachedNode{
node: simplifyNode(node), node: simplifyNode(node),
@ -372,8 +379,12 @@ func (db *Database) node(hash common.Hash) node {
db.lock.RUnlock() db.lock.RUnlock()
if dirty != nil { if dirty != nil {
memcacheDirtyHitMeter.Mark(1)
memcacheDirtyReadMeter.Mark(int64(dirty.size))
return dirty.obj(hash) return dirty.obj(hash)
} }
memcacheDirtyMissMeter.Mark(1)
// Content unavailable in memory, attempt to retrieve from disk // Content unavailable in memory, attempt to retrieve from disk
enc, err := db.diskdb.Get(hash[:]) enc, err := db.diskdb.Get(hash[:])
if err != nil || enc == nil { if err != nil || enc == nil {
@ -408,8 +419,12 @@ func (db *Database) Node(hash common.Hash) ([]byte, error) {
db.lock.RUnlock() db.lock.RUnlock()
if dirty != nil { if dirty != nil {
memcacheDirtyHitMeter.Mark(1)
memcacheDirtyReadMeter.Mark(int64(dirty.size))
return dirty.rlp(), nil return dirty.rlp(), nil
} }
memcacheDirtyMissMeter.Mark(1)
// Content unavailable in memory, attempt to retrieve from disk // Content unavailable in memory, attempt to retrieve from disk
enc, err := db.diskdb.Get(hash[:]) enc, err := db.diskdb.Get(hash[:])
if err == nil && enc != nil { if err == nil && enc != nil {
@ -812,6 +827,7 @@ func (c *cleaner) Put(key []byte, rlp []byte) error {
// Move the flushed node into the clean cache to prevent insta-reloads // Move the flushed node into the clean cache to prevent insta-reloads
if c.db.cleans != nil { if c.db.cleans != nil {
c.db.cleans.Set(hash[:], rlp) c.db.cleans.Set(hash[:], rlp)
memcacheCleanWriteMeter.Mark(int64(len(rlp)))
} }
return nil return nil
} }