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 |
|---|---|---|
| 26,643 min 5% | 420 ms | 3,810,354 ankipro |
|
||
| 5,009 min 0.8% | 30 ms | 9,971,636 ankipro |
|
||
| 4,882 min 0.8% | 26 ms | 11,464,472 ankipro |
|
||
| 4,749 min 0.8% | 34 ms | 8,441,727 ankipro |
|
||
| 4,335 min 0.7% | 37 ms | 6,950,430 ankipro |
|
||
| 3,909 min 0.7% | 40 ms | 5,796,795 ankipro |
|
||
| 3,456 min 0.6% | 43 ms | 4,875,303 ankipro |
|
||
| 3,093 min 0.5% | 45 ms | 4,102,297 ankipro |
|
||
| 2,824 min 0.5% | 47 ms | 3,616,341 ankipro |
|
||
| 2,573 min 0.4% | 49 ms | 3,133,582 ankipro |
|
||
| 2,251 min 0.4% | 50 ms | 2,681,126 ankipro |
|
||
| 1,987 min 0.3% | 52 ms | 2,283,842 ankipro |
|
||
| 1,796 min 0.3% | 54 ms | 1,986,439 ankipro |
|
||
| 1,732 min 0.3% | 57 ms | 1,819,481 ankipro |
|
||
| 1,401 min 0.2% | 57 ms | 1,467,672 ankipro |
|
||
| 1,364 min 0.2% | 61 ms | 1,337,922 ankipro |
|
||
| 1,237 min 0.2% | 61 ms | 1,216,299 ankipro |
|
||
| 1,153 min 0.2% | 66 ms | 1,048,367 ankipro |
|
||
| 1,079 min 0.2% | 67 ms | 973,216 ankipro |
|
||
| 1,036 min 0.2% | 62 ms | 1,004,752 ankipro |
|
||
| 938 min 0.2% | 1,407 ms | 40,011 ankipro |
|
||
| 927 min 0.2% | 64 ms | 875,720 ankipro |
|
||
| 865 min 0.1% | 66 ms | 784,994 ankipro |
|
||
| 808 min 0.1% | 81 ms | 597,159 ankipro |
|
||
| 762 min 0.1% | 65 ms | 700,209 ankipro |
|
||
| 691 min 0.1% | 67 ms | 623,555 ankipro |
|
||
| 649 min 0.1% | 67 ms | 582,015 ankipro |
|
||
| 614 min 0.1% | 68 ms | 539,646 ankipro |
|
||