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 |
|---|---|---|
| 28,642 min 5% | 423 ms | 4,063,745 ankipro |
|
||
| 5,255 min 0.8% | 30 ms | 10,407,492 ankipro |
|
||
| 5,114 min 0.8% | 26 ms | 11,938,275 ankipro |
|
||
| 4,972 min 0.8% | 34 ms | 8,799,193 ankipro |
|
||
| 4,555 min 0.7% | 38 ms | 7,259,902 ankipro |
|
||
| 4,106 min 0.7% | 41 ms | 6,056,829 ankipro |
|
||
| 3,638 min 0.6% | 43 ms | 5,096,720 ankipro |
|
||
| 3,270 min 0.5% | 45 ms | 4,315,133 ankipro |
|
||
| 2,987 min 0.5% | 47 ms | 3,802,998 ankipro |
|
||
| 2,711 min 0.4% | 50 ms | 3,283,421 ankipro |
|
||
| 2,370 min 0.4% | 51 ms | 2,813,633 ankipro |
|
||
| 2,097 min 0.3% | 52 ms | 2,401,195 ankipro |
|
||
| 1,889 min 0.3% | 54 ms | 2,079,570 ankipro |
|
||
| 1,839 min 0.3% | 58 ms | 1,914,854 ankipro |
|
||
| 1,484 min 0.2% | 58 ms | 1,541,563 ankipro |
|
||
| 1,434 min 0.2% | 61 ms | 1,404,759 ankipro |
|
||
| 1,296 min 0.2% | 61 ms | 1,273,920 ankipro |
|
||
| 1,213 min 0.2% | 66 ms | 1,102,341 ankipro |
|
||
| 1,148 min 0.2% | 67 ms | 1,029,649 ankipro |
|
||
| 1,092 min 0.2% | 62 ms | 1,057,162 ankipro |
|
||
| 982 min 0.2% | 64 ms | 920,450 ankipro |
|
||
| 911 min 0.1% | 66 ms | 823,506 ankipro |
|
||
| 872 min 0.1% | 84 ms | 625,862 ankipro |
|
||
| 804 min 0.1% | 66 ms | 734,256 ankipro |
|
||
| 735 min 0.1% | 67 ms | 659,437 ankipro |
|
||
| 703 min 0.1% | 67 ms | 626,550 ankipro |
|
||
| 673 min 0.1% | 23 ms | 1,772,650 ankipro |
|
||
| 648 min 0.1% | 68 ms | 569,230 ankipro |
|
||