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 |
|---|---|---|
| 24,599 min 4% | 416 ms | 3,551,517 ankipro |
|
||
| 7,626 min 1% | 22 ms | 20,841,909 ankipro |
|
||
| 4,746 min 0.8% | 30 ms | 9,498,585 ankipro |
|
||
| 4,645 min 0.8% | 25 ms | 10,964,281 ankipro |
|
||
| 4,509 min 0.7% | 34 ms | 8,058,817 ankipro |
|
||
| 4,112 min 0.7% | 37 ms | 6,626,059 ankipro |
|
||
| 3,706 min 0.6% | 40 ms | 5,530,171 ankipro |
|
||
| 3,265 min 0.5% | 42 ms | 4,635,300 ankipro |
|
||
| 2,920 min 0.5% | 45 ms | 3,889,742 ankipro |
|
||
| 2,660 min 0.4% | 47 ms | 3,427,954 ankipro |
|
||
| 2,509 min 0.4% | 24 ms | 6,308,301 ankipro |
|
||
| 2,422 min 0.4% | 49 ms | 2,969,789 ankipro |
|
||
| 2,293 min 0.4% | 23 ms | 5,988,614 ankipro |
|
||
| 2,129 min 0.3% | 50 ms | 2,544,893 ankipro |
|
||
| 1,874 min 0.3% | 52 ms | 2,161,738 ankipro |
|
||
| 1,702 min 0.3% | 54 ms | 1,890,267 ankipro |
|
||
| 1,634 min 0.3% | 57 ms | 1,726,970 ankipro |
|
||
| 1,630 min 0.3% | 23 ms | 4,342,526 ankipro |
|
||
| 1,321 min 0.2% | 57 ms | 1,394,568 ankipro |
|
||
| 1,285 min 0.2% | 61 ms | 1,263,980 ankipro |
|
||
| 1,172 min 0.2% | 61 ms | 1,151,580 ankipro |
|
||
| 1,089 min 0.2% | 66 ms | 991,998 ankipro |
|
||
| 1,077 min 0.2% | 23 ms | 2,773,558 ankipro |
|
||
| 1,010 min 0.2% | 66 ms | 917,485 ankipro |
|
||
| 976 min 0.2% | 62 ms | 952,169 ankipro |
|
||
| 903 min 0.1% | 55 ms | 991,321 ankipro |
|
||
| 871 min 0.1% | 63 ms | 830,350 ankipro |
|
||
| 813 min 0.1% | 66 ms | 740,333 ankipro |
|
||
| 742 min 0.1% | 78 ms | 568,854 ankipro |
|
||
| 730 min 0.1% | 31 ms | 1,422,813 ankipro |
|
||
| 722 min 0.1% | 65 ms | 664,275 ankipro |
|
||