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 |
|---|---|---|
| 24,322 min 4% | 415 ms | 3,513,509 ankipro |
|
||
| 7,555 min 1% | 22 ms | 20,658,466 ankipro |
|
||
| 4,702 min 0.8% | 30 ms | 9,422,426 ankipro |
|
||
| 4,606 min 0.8% | 25 ms | 10,884,391 ankipro |
|
||
| 4,471 min 0.7% | 34 ms | 8,001,228 ankipro |
|
||
| 4,074 min 0.7% | 37 ms | 6,574,594 ankipro |
|
||
| 3,673 min 0.6% | 40 ms | 5,488,373 ankipro |
|
||
| 3,234 min 0.5% | 42 ms | 4,596,499 ankipro |
|
||
| 2,893 min 0.5% | 45 ms | 3,858,184 ankipro |
|
||
| 2,637 min 0.4% | 47 ms | 3,401,551 ankipro |
|
||
| 2,489 min 0.4% | 24 ms | 6,259,900 ankipro |
|
||
| 2,399 min 0.4% | 49 ms | 2,945,963 ankipro |
|
||
| 2,274 min 0.4% | 23 ms | 5,940,218 ankipro |
|
||
| 2,107 min 0.3% | 50 ms | 2,521,035 ankipro |
|
||
| 1,858 min 0.3% | 52 ms | 2,146,465 ankipro |
|
||
| 1,686 min 0.3% | 54 ms | 1,875,121 ankipro |
|
||
| 1,617 min 0.3% | 57 ms | 1,711,491 ankipro |
|
||
| 1,614 min 0.3% | 23 ms | 4,302,231 ankipro |
|
||
| 1,308 min 0.2% | 57 ms | 1,383,313 ankipro |
|
||
| 1,273 min 0.2% | 61 ms | 1,252,537 ankipro |
|
||
| 1,162 min 0.2% | 61 ms | 1,141,159 ankipro |
|
||
| 1,079 min 0.2% | 66 ms | 983,518 ankipro |
|
||
| 1,066 min 0.2% | 23 ms | 2,746,672 ankipro |
|
||
| 998 min 0.2% | 66 ms | 907,824 ankipro |
|
||
| 968 min 0.2% | 61 ms | 944,597 ankipro |
|
||
| 898 min 0.1% | 55 ms | 978,497 ankipro |
|
||
| 861 min 0.1% | 63 ms | 822,445 ankipro |
|
||
| 805 min 0.1% | 66 ms | 733,839 ankipro |
|
||
| 731 min 0.1% | 78 ms | 563,647 ankipro |
|
||
| 724 min 0.1% | 31 ms | 1,412,186 ankipro |
|
||
| 715 min 0.1% | 65 ms | 658,173 ankipro |
|
||