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 |
|---|---|---|
| 26,262 min 4% | 419 ms | 3,761,032 ankipro |
|
||
| 4,958 min 0.8% | 30 ms | 9,884,949 ankipro |
|
||
| 4,836 min 0.8% | 26 ms | 11,372,928 ankipro |
|
||
| 4,700 min 0.8% | 34 ms | 8,370,569 ankipro |
|
||
| 4,292 min 0.7% | 37 ms | 6,891,139 ankipro |
|
||
| 3,868 min 0.7% | 40 ms | 5,746,891 ankipro |
|
||
| 3,418 min 0.6% | 42 ms | 4,832,153 ankipro |
|
||
| 3,059 min 0.5% | 45 ms | 4,064,062 ankipro |
|
||
| 2,789 min 0.5% | 47 ms | 3,580,055 ankipro |
|
||
| 2,545 min 0.4% | 49 ms | 3,105,982 ankipro |
|
||
| 2,228 min 0.4% | 50 ms | 2,656,802 ankipro |
|
||
| 1,965 min 0.3% | 52 ms | 2,261,035 ankipro |
|
||
| 1,777 min 0.3% | 54 ms | 1,968,511 ankipro |
|
||
| 1,712 min 0.3% | 57 ms | 1,802,091 ankipro |
|
||
| 1,384 min 0.2% | 57 ms | 1,453,825 ankipro |
|
||
| 1,348 min 0.2% | 61 ms | 1,324,566 ankipro |
|
||
| 1,225 min 0.2% | 61 ms | 1,204,382 ankipro |
|
||
| 1,140 min 0.2% | 66 ms | 1,037,405 ankipro |
|
||
| 1,069 min 0.2% | 66 ms | 964,606 ankipro |
|
||
| 1,023 min 0.2% | 62 ms | 994,868 ankipro |
|
||
| 915 min 0.2% | 63 ms | 867,125 ankipro |
|
||
| 881 min 0.2% | 1,400 ms | 37,758 ankipro |
|
||
| 856 min 0.1% | 66 ms | 777,354 ankipro |
|
||
| 797 min 0.1% | 81 ms | 592,567 ankipro |
|
||
| 754 min 0.1% | 65 ms | 693,740 ankipro |
|
||
| 683 min 0.1% | 66 ms | 617,254 ankipro |
|
||
| 639 min 0.1% | 67 ms | 574,396 ankipro |
|
||
| 608 min 0.1% | 68 ms | 535,074 ankipro |
|
||
| 605 min 0.1% | 36 ms | 1,017,344 ankipro |
|
||