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https://github.com/christianselig/apollo-backend
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optimize scheduler to reduce memory allocations
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parent
b6c7c58062
commit
f41dd925e4
1 changed files with 19 additions and 9 deletions
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@ -21,7 +21,7 @@ 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 batchSize = 1000
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func SchedulerCmd(ctx context.Context) *cobra.Command {
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cmd := &cobra.Command{
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@ -203,7 +203,7 @@ func enqueueUsers(ctx context.Context, logger *zap.Logger, statsd *statsd.Client
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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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var ids []int64
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defer func() {
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tags := []string{"queue:users"}
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@ -229,11 +229,16 @@ func enqueueUsers(ctx context.Context, logger *zap.Logger, statsd *statsd.Client
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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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var id int64
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affected := rows.CommandTag().RowsAffected()
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ids = make([]int64, affected)
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var id int64
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for i := 0; rows.Next(); i++ {
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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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}
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return nil
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})
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@ -383,7 +388,7 @@ 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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var ids []int64
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enqueued := 0
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skipped := 0
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@ -412,10 +417,15 @@ func enqueueAccounts(ctx context.Context, logger *zap.Logger, statsd *statsd.Cli
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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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var id int64
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affected := rows.CommandTag().RowsAffected()
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ids = make([]int64, affected)
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var id int64
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for i := 0; rows.Next(); i++ {
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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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i++
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}
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return nil
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})
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