Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

trie: track dirty cache metrics, track clean writes on commit #20415

Merged
merged 1 commit into from
Dec 2, 2019
Merged

trie: track dirty cache metrics, track clean writes on commit #20415

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
16 changes: 16 additions & 0 deletions trie/database.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,11 @@ var (
memcacheCleanReadMeter = metrics.NewRegisteredMeter("trie/memcache/clean/read", 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)
memcacheFlushNodesMeter = metrics.NewRegisteredMeter("trie/memcache/flush/nodes", nil)
memcacheFlushSizeMeter = metrics.NewRegisteredMeter("trie/memcache/flush/size", nil)
Expand Down Expand Up @@ -321,6 +326,8 @@ func (db *Database) insert(hash common.Hash, blob []byte, node node) {
if _, ok := db.dirties[hash]; ok {
return
}
memcacheDirtyWriteMeter.Mark(int64(len(blob)))

// Create the cached entry for this node
entry := &cachedNode{
node: simplifyNode(node),
Expand Down Expand Up @@ -372,8 +379,12 @@ func (db *Database) node(hash common.Hash) node {
db.lock.RUnlock()

if dirty != nil {
memcacheDirtyHitMeter.Mark(1)
memcacheDirtyReadMeter.Mark(int64(dirty.size))
return dirty.obj(hash)
}
memcacheDirtyMissMeter.Mark(1)

// Content unavailable in memory, attempt to retrieve from disk
enc, err := db.diskdb.Get(hash[:])
if err != nil || enc == nil {
Expand Down Expand Up @@ -408,8 +419,12 @@ func (db *Database) Node(hash common.Hash) ([]byte, error) {
db.lock.RUnlock()

if dirty != nil {
memcacheDirtyHitMeter.Mark(1)
memcacheDirtyReadMeter.Mark(int64(dirty.size))
return dirty.rlp(), nil
}
memcacheDirtyMissMeter.Mark(1)

// Content unavailable in memory, attempt to retrieve from disk
enc, err := db.diskdb.Get(hash[:])
if err == nil && enc != nil {
Expand Down Expand Up @@ -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
if c.db.cleans != nil {
c.db.cleans.Set(hash[:], rlp)
memcacheCleanWriteMeter.Mark(int64(len(rlp)))
}
return nil
}
Expand Down