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 |
|---|---|---|
| 26,910 min 5% | 420 ms | 3,845,706 ankipro |
|
||
| 5,044 min 0.8% | 30 ms | 10,034,728 ankipro |
|
||
| 4,916 min 0.8% | 26 ms | 11,533,813 ankipro |
|
||
| 4,781 min 0.8% | 34 ms | 8,493,641 ankipro |
|
||
| 4,366 min 0.7% | 37 ms | 6,995,322 ankipro |
|
||
| 3,936 min 0.7% | 40 ms | 5,833,987 ankipro |
|
||
| 3,482 min 0.6% | 43 ms | 4,907,230 ankipro |
|
||
| 3,118 min 0.5% | 45 ms | 4,133,537 ankipro |
|
||
| 2,848 min 0.5% | 47 ms | 3,643,797 ankipro |
|
||
| 2,593 min 0.4% | 49 ms | 3,155,387 ankipro |
|
||
| 2,267 min 0.4% | 50 ms | 2,699,464 ankipro |
|
||
| 2,003 min 0.3% | 52 ms | 2,300,980 ankipro |
|
||
| 1,808 min 0.3% | 54 ms | 1,999,556 ankipro |
|
||
| 1,749 min 0.3% | 57 ms | 1,835,474 ankipro |
|
||
| 1,412 min 0.2% | 57 ms | 1,477,824 ankipro |
|
||
| 1,374 min 0.2% | 61 ms | 1,348,074 ankipro |
|
||
| 1,246 min 0.2% | 61 ms | 1,225,502 ankipro |
|
||
| 1,163 min 0.2% | 66 ms | 1,057,573 ankipro |
|
||
| 1,089 min 0.2% | 67 ms | 981,828 ankipro |
|
||
| 1,045 min 0.2% | 62 ms | 1,012,691 ankipro |
|
||
| 995 min 0.2% | 1,416 ms | 42,131 ankipro |
|
||
| 935 min 0.2% | 64 ms | 882,017 ankipro |
|
||
| 872 min 0.1% | 66 ms | 790,823 ankipro |
|
||
| 820 min 0.1% | 82 ms | 601,733 ankipro |
|
||
| 767 min 0.1% | 65 ms | 704,851 ankipro |
|
||
| 697 min 0.1% | 67 ms | 628,171 ankipro |
|
||
| 656 min 0.1% | 67 ms | 587,987 ankipro |
|
||
| 618 min 0.1% | 68 ms | 543,786 ankipro |
|
||