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 |
|---|---|---|
| 26,128 min 4% | 419 ms | 3,745,056 ankipro |
|
||
| 4,943 min 0.8% | 30 ms | 9,860,652 ankipro |
|
||
| 4,824 min 0.8% | 26 ms | 11,347,240 ankipro |
|
||
| 4,687 min 0.8% | 34 ms | 8,350,565 ankipro |
|
||
| 4,281 min 0.7% | 37 ms | 6,874,813 ankipro |
|
||
| 3,856 min 0.7% | 40 ms | 5,732,663 ankipro |
|
||
| 3,408 min 0.6% | 42 ms | 4,821,173 ankipro |
|
||
| 3,050 min 0.5% | 45 ms | 4,053,253 ankipro |
|
||
| 2,780 min 0.5% | 47 ms | 3,570,590 ankipro |
|
||
| 2,537 min 0.4% | 49 ms | 3,098,099 ankipro |
|
||
| 2,221 min 0.4% | 50 ms | 2,649,020 ankipro |
|
||
| 1,959 min 0.3% | 52 ms | 2,255,085 ankipro |
|
||
| 1,772 min 0.3% | 54 ms | 1,963,766 ankipro |
|
||
| 1,706 min 0.3% | 57 ms | 1,797,288 ankipro |
|
||
| 1,380 min 0.2% | 57 ms | 1,450,724 ankipro |
|
||
| 1,344 min 0.2% | 61 ms | 1,320,936 ankipro |
|
||
| 1,221 min 0.2% | 61 ms | 1,201,151 ankipro |
|
||
| 1,136 min 0.2% | 66 ms | 1,033,708 ankipro |
|
||
| 1,064 min 0.2% | 66 ms | 960,985 ankipro |
|
||
| 1,020 min 0.2% | 62 ms | 992,218 ankipro |
|
||
| 912 min 0.2% | 63 ms | 865,050 ankipro |
|
||
| 861 min 0.1% | 1,397 ms | 36,972 ankipro |
|
||
| 853 min 0.1% | 66 ms | 774,511 ankipro |
|
||
| 793 min 0.1% | 81 ms | 590,899 ankipro |
|
||
| 752 min 0.1% | 65 ms | 691,831 ankipro |
|
||
| 681 min 0.1% | 66 ms | 615,718 ankipro |
|
||
| 636 min 0.1% | 67 ms | 571,827 ankipro |
|
||
| 607 min 0.1% | 68 ms | 533,503 ankipro |
|
||
| 604 min 0.1% | 36 ms | 1,015,399 ankipro |
|
||