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https://github.com/christianselig/apollo-backend
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tweak scheduler
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parent
b1ed5fb71a
commit
34e050daad
1 changed files with 16 additions and 11 deletions
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@ -21,7 +21,10 @@ import (
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"github.com/christianselig/apollo-backend/internal/repository"
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)
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const batchSize = 250
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const (
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batchSize = 1000
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maxNotificationChecks = 5000
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)
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func SchedulerCmd(ctx context.Context) *cobra.Command {
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cmd := &cobra.Command{
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@ -383,7 +386,8 @@ func enqueueAccounts(ctx context.Context, logger *zap.Logger, statsd *statsd.Cli
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now := time.Now()
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next := now.Add(domain.NotificationCheckInterval)
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ids := []int64{}
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ids := make([]int64, maxNotificationChecks)
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numids := 0
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enqueued := 0
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skipped := 0
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@ -395,7 +399,7 @@ func enqueueAccounts(ctx context.Context, logger *zap.Logger, statsd *statsd.Cli
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}()
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err := pool.BeginFunc(ctx, func(tx pgx.Tx) error {
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stmt := `
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stmt := fmt.Sprintf(`
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UPDATE accounts
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SET next_notification_check_at = $2
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WHERE accounts.id IN(
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@ -404,18 +408,19 @@ func enqueueAccounts(ctx context.Context, logger *zap.Logger, statsd *statsd.Cli
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WHERE next_notification_check_at < $1
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ORDER BY next_notification_check_at
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FOR UPDATE SKIP LOCKED
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LIMIT 5000
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LIMIT %d
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)
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RETURNING accounts.id`
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RETURNING accounts.id`, maxNotificationChecks)
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rows, err := tx.Query(ctx, stmt, now, next)
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if err != nil {
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return err
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}
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defer rows.Close()
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for rows.Next() {
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for i := 0; rows.Next(); i++ {
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var id int64
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_ = rows.Scan(&id)
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ids = append(ids, id)
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ids[i] = id
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numids = i
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}
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return nil
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})
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@ -425,17 +430,17 @@ func enqueueAccounts(ctx context.Context, logger *zap.Logger, statsd *statsd.Cli
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return
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}
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if len(ids) == 0 {
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if numids == 0 {
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return
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}
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logger.Debug("enqueueing account batch", zap.Int("count", len(ids)), zap.Time("start", now))
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// Split ids in batches
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for i := 0; i < len(ids); i += batchSize {
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for i := 0; i < numids; i += batchSize {
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j := i + batchSize
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if j > len(ids) {
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j = len(ids)
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if j > numids {
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j = numids
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}
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batch := Int64Slice(ids[i:j])
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