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 |
|---|---|---|
| 27,261 min 5% | 421 ms | 3,888,972 ankipro |
|
||
| 5,080 min 0.8% | 30 ms | 10,101,489 ankipro |
|
||
| 4,950 min 0.8% | 26 ms | 11,605,171 ankipro |
|
||
| 4,816 min 0.8% | 34 ms | 8,549,191 ankipro |
|
||
| 4,399 min 0.7% | 37 ms | 7,042,109 ankipro |
|
||
| 3,964 min 0.7% | 41 ms | 5,872,548 ankipro |
|
||
| 3,510 min 0.6% | 43 ms | 4,941,073 ankipro |
|
||
| 3,145 min 0.5% | 45 ms | 4,167,196 ankipro |
|
||
| 2,873 min 0.5% | 47 ms | 3,673,656 ankipro |
|
||
| 2,613 min 0.4% | 49 ms | 3,177,851 ankipro |
|
||
| 2,285 min 0.4% | 50 ms | 2,719,293 ankipro |
|
||
| 2,020 min 0.3% | 52 ms | 2,319,686 ankipro |
|
||
| 1,823 min 0.3% | 54 ms | 2,014,908 ankipro |
|
||
| 1,766 min 0.3% | 57 ms | 1,850,564 ankipro |
|
||
| 1,424 min 0.2% | 57 ms | 1,488,476 ankipro |
|
||
| 1,385 min 0.2% | 61 ms | 1,359,311 ankipro |
|
||
| 1,256 min 0.2% | 61 ms | 1,234,740 ankipro |
|
||
| 1,173 min 0.2% | 66 ms | 1,067,262 ankipro |
|
||
| 1,100 min 0.2% | 67 ms | 990,323 ankipro |
|
||
| 1,054 min 0.2% | 1,426 ms | 44,348 ankipro |
|
||
| 1,052 min 0.2% | 62 ms | 1,020,206 ankipro |
|
||
| 943 min 0.2% | 64 ms | 888,772 ankipro |
|
||
| 879 min 0.1% | 66 ms | 797,384 ankipro |
|
||
| 832 min 0.1% | 82 ms | 606,356 ankipro |
|
||
| 775 min 0.1% | 65 ms | 710,667 ankipro |
|
||
| 703 min 0.1% | 67 ms | 633,700 ankipro |
|
||
| 663 min 0.1% | 67 ms | 593,561 ankipro |
|
||
| 624 min 0.1% | 68 ms | 548,969 ankipro |
|
||