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measure dequeue time

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This commit is contained in:
Andre Medeiros 2021-07-07 21:58:36 -04:00
parent 67ae62b765
commit 9156b7f07d
1 changed files with 6 additions and 3 deletions
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9
cmd/apollo-worker/main.go
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@ -63,6 +63,7 @@ func accountWorker(id int, rc *reddit.Client, db *sql.DB, logger *log.Logger, st
continue continue
} }
t1 := time.Now()
query := ` query := `
SELECT id, username, access_token, refresh_token, expires_at, last_message_id, last_checked_at FROM accounts SELECT id, username, access_token, refresh_token, expires_at, last_message_id, last_checked_at FROM accounts
WHERE last_checked_at + 5 <= $1::float WHERE last_checked_at + 5 <= $1::float
@ -73,10 +74,12 @@ func accountWorker(id int, rc *reddit.Client, db *sql.DB, logger *log.Logger, st
account := &data.Account{} account := &data.Account{}
err = tx.QueryRow(query, args...).Scan(&account.ID, &account.Username, &account.AccessToken, &account.RefreshToken, &account.ExpiresAt, &account.LastMessageID, &account.LastCheckedAt) err = tx.QueryRow(query, args...).Scan(&account.ID, &account.Username, &account.AccessToken, &account.RefreshToken, &account.ExpiresAt, &account.LastMessageID, &account.LastCheckedAt)
t2 := time.Now()
statsd.Histogram("apollo.dequeue.latency", float64(t2.Sub(t1).Milliseconds()), []string{}, rate)
if account.ID == 0 { if account.ID == 0 {
tx.Commit() tx.Commit()
time.Sleep(100 * time.Millisecond) time.Sleep(10 * time.Millisecond)
continue continue
} }
@ -94,9 +97,9 @@ func accountWorker(id int, rc *reddit.Client, db *sql.DB, logger *log.Logger, st
tokens.AccessToken, tokens.RefreshToken, int64(now+3500), account.ID) tokens.AccessToken, tokens.RefreshToken, int64(now+3500), account.ID)
} }
t1 := time.Now() t1 = time.Now()
msgs, err := rac.MessageInbox(account.LastMessageID) msgs, err := rac.MessageInbox(account.LastMessageID)
t2 := time.Now() t2 = time.Now()
statsd.Histogram("reddit.api.latency", float64(t2.Sub(t1).Milliseconds()), []string{}, rate) statsd.Histogram("reddit.api.latency", float64(t2.Sub(t1).Milliseconds()), []string{}, rate)
if err != nil { if err != nil {