These indexes exist, but can’t be used. You should recreate them.
| Name |
|---|
| idx_card_progresses_deck_id_id v2 |
|
| card_progresses_user_id_id_idx v2 |
|
| trgm_idx_notes_back_side v2 |
|
| trgm_idx_notes_front_side v2 |
|
These indexes exist, but aren’t needed. Remove them for faster writes.
rails generate migration remove_unneeded_indexes
And paste
remove_index :motor_alert_locks, name: "index_motor_alert_locks_on_alert_id", column: :alert_id remove_index :notes, name: "index_notes_on_id_asc_and_deck_id", column: [:id, :deck_id] remove_index :streak_day_freezes, name: "index_streak_day_freezes_on_streak_id", column: :streak_id remove_index :streak_day_freezes, name: "index_streak_day_freezes_on_user_id", column: :user_id remove_index :taggings, name: "index_taggings_on_tag_id", column: :tag_id remove_index :taggings, name: "index_taggings_on_taggable_id", column: :taggable_id remove_index :taggings, name: "index_taggings_on_taggable_type", column: :taggable_type remove_index :taggings, name: "index_taggings_on_tagger_id", column: :tagger_id remove_index :user_social_links, name: "index_user_social_links_on_user_id", column: :user_id
| Details |
|---|
On motor_alert_locks
index_motor_alert_locks_on_alert_id (alert_id)is covered by index_motor_alert_locks_on_alert_id_and_lock_timestamp (alert_id, lock_timestamp) |
On notes
index_notes_on_id_asc_and_deck_id (id, deck_id)is covered by notes_pkey (id, deck_id) |
On streak_day_freezes
index_streak_day_freezes_on_streak_id (streak_id)is covered by index_streak_day_freezes_on_streak_id_and_freeze_date (streak_id, freeze_date) |
On streak_day_freezes
index_streak_day_freezes_on_user_id (user_id)is covered by index_streak_day_freezes_on_user_id_and_freeze_date (user_id, freeze_date) |
On taggings
index_taggings_on_tag_id (tag_id)is covered by taggings_idx (tag_id, taggable_id, taggable_type, context, tagger_id, tagger_type) |
On taggings
index_taggings_on_taggable_id (taggable_id)is covered by taggings_idy (taggable_id, taggable_type, tagger_id, context) |
On taggings
index_taggings_on_taggable_type (taggable_type)is covered by index_taggings_on_taggable_type_and_taggable_id (taggable_type, taggable_id) |
On taggings
index_taggings_on_tagger_id (tagger_id)is covered by index_taggings_on_tagger_id_and_tagger_type (tagger_id, tagger_type) |
On user_social_links
index_user_social_links_on_user_id (user_id)is covered by index_user_social_links_on_user_id_and_social_provider_id (user_id, social_provider_id) |
Slow queries take 20 ms or more on average and have been called at least 100 times.
Explain queries to see where to add indexes.
| Total Time | Average Time | Calls |
|---|---|---|
| 25,838 min 4% | 418 ms | 3,709,959 ankipro |
|
||
| 4,905 min 0.8% | 30 ms | 9,791,361 ankipro |
|
||
| 4,789 min 0.8% | 25 ms | 11,276,121 ankipro |
|
||
| 4,651 min 0.8% | 34 ms | 8,294,440 ankipro |
|
||
| 4,248 min 0.7% | 37 ms | 6,827,761 ankipro |
|
||
| 3,827 min 0.7% | 40 ms | 5,694,600 ankipro |
|
||
| 3,380 min 0.6% | 42 ms | 4,785,593 ankipro |
|
||
| 3,024 min 0.5% | 45 ms | 4,020,471 ankipro |
|
||
| 2,755 min 0.5% | 47 ms | 3,542,832 ankipro |
|
||
| 2,513 min 0.4% | 49 ms | 3,071,535 ankipro |
|
||
| 2,201 min 0.4% | 50 ms | 2,626,978 ankipro |
|
||
| 1,941 min 0.3% | 52 ms | 2,236,190 ankipro |
|
||
| 1,758 min 0.3% | 54 ms | 1,950,251 ankipro |
|
||
| 1,693 min 0.3% | 57 ms | 1,784,093 ankipro |
|
||
| 1,369 min 0.2% | 57 ms | 1,440,176 ankipro |
|
||
| 1,332 min 0.2% | 61 ms | 1,308,445 ankipro |
|
||
| 1,211 min 0.2% | 61 ms | 1,190,964 ankipro |
|
||
| 1,126 min 0.2% | 66 ms | 1,024,815 ankipro |
|
||
| 1,053 min 0.2% | 66 ms | 951,469 ankipro |
|
||
| 1,010 min 0.2% | 62 ms | 983,940 ankipro |
|
||
| 904 min 0.2% | 63 ms | 858,026 ankipro |
|
||
| 845 min 0.1% | 66 ms | 767,469 ankipro |
|
||
| 809 min 0.1% | 1,397 ms | 34,741 ankipro |
|
||
| 782 min 0.1% | 80 ms | 586,097 ankipro |
|
||
| 746 min 0.1% | 65 ms | 686,190 ankipro |
|
||
| 675 min 0.1% | 66 ms | 610,249 ankipro |
|
||
| 627 min 0.1% | 67 ms | 565,019 ankipro |
|
||
| 602 min 0.1% | 68 ms | 529,478 ankipro |
|
||
| 600 min 0.1% | 36 ms | 1,009,851 ankipro |
|
||