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 |
|---|---|---|
| 27,553 min 5% | 421 ms | 3,925,842 ankipro |
|
||
| 5,121 min 0.8% | 30 ms | 10,174,630 ankipro |
|
||
| 4,990 min 0.8% | 26 ms | 11,687,278 ankipro |
|
||
| 4,854 min 0.8% | 34 ms | 8,610,165 ankipro |
|
||
| 4,439 min 0.7% | 38 ms | 7,097,828 ankipro |
|
||
| 4,001 min 0.7% | 41 ms | 5,921,823 ankipro |
|
||
| 3,542 min 0.6% | 43 ms | 4,979,272 ankipro |
|
||
| 3,177 min 0.5% | 45 ms | 4,204,982 ankipro |
|
||
| 2,901 min 0.5% | 47 ms | 3,705,349 ankipro |
|
||
| 2,638 min 0.4% | 49 ms | 3,204,676 ankipro |
|
||
| 2,307 min 0.4% | 50 ms | 2,743,865 ankipro |
|
||
| 2,041 min 0.3% | 52 ms | 2,341,447 ankipro |
|
||
| 1,840 min 0.3% | 54 ms | 2,031,901 ankipro |
|
||
| 1,785 min 0.3% | 57 ms | 1,866,932 ankipro |
|
||
| 1,438 min 0.2% | 57 ms | 1,500,888 ankipro |
|
||
| 1,397 min 0.2% | 61 ms | 1,370,394 ankipro |
|
||
| 1,267 min 0.2% | 61 ms | 1,245,283 ankipro |
|
||
| 1,184 min 0.2% | 66 ms | 1,077,270 ankipro |
|
||
| 1,111 min 0.2% | 67 ms | 999,284 ankipro |
|
||
| 1,061 min 0.2% | 62 ms | 1,028,839 ankipro |
|
||
| 953 min 0.2% | 64 ms | 896,439 ankipro |
|
||
| 887 min 0.1% | 66 ms | 804,098 ankipro |
|
||
| 843 min 0.1% | 83 ms | 611,240 ankipro |
|
||
| 784 min 0.1% | 66 ms | 717,021 ankipro |
|
||
| 712 min 0.1% | 67 ms | 640,712 ankipro |
|
||
| 672 min 0.1% | 67 ms | 600,997 ankipro |
|
||
| 630 min 0.1% | 68 ms | 553,628 ankipro |
|
||
| 622 min 0.1% | 36 ms | 1,042,825 ankipro |
|
||