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 |
|---|---|---|
| 28,801 min 5% | 423 ms | 4,084,554 ankipro |
|
||
| 5,270 min 0.8% | 30 ms | 10,436,234 ankipro |
|
||
| 5,127 min 0.8% | 26 ms | 11,967,395 ankipro |
|
||
| 4,985 min 0.8% | 34 ms | 8,821,015 ankipro |
|
||
| 4,569 min 0.7% | 38 ms | 7,280,134 ankipro |
|
||
| 4,118 min 0.7% | 41 ms | 6,073,021 ankipro |
|
||
| 3,650 min 0.6% | 43 ms | 5,111,357 ankipro |
|
||
| 3,281 min 0.5% | 45 ms | 4,329,025 ankipro |
|
||
| 2,997 min 0.5% | 47 ms | 3,814,996 ankipro |
|
||
| 2,720 min 0.4% | 50 ms | 3,294,439 ankipro |
|
||
| 2,378 min 0.4% | 51 ms | 2,821,748 ankipro |
|
||
| 2,104 min 0.3% | 52 ms | 2,408,799 ankipro |
|
||
| 1,895 min 0.3% | 55 ms | 2,085,342 ankipro |
|
||
| 1,845 min 0.3% | 58 ms | 1,920,752 ankipro |
|
||
| 1,490 min 0.2% | 58 ms | 1,546,059 ankipro |
|
||
| 1,438 min 0.2% | 61 ms | 1,409,035 ankipro |
|
||
| 1,300 min 0.2% | 61 ms | 1,277,013 ankipro |
|
||
| 1,217 min 0.2% | 66 ms | 1,105,399 ankipro |
|
||
| 1,152 min 0.2% | 67 ms | 1,032,458 ankipro |
|
||
| 1,096 min 0.2% | 62 ms | 1,060,592 ankipro |
|
||
| 985 min 0.2% | 64 ms | 923,220 ankipro |
|
||
| 914 min 0.1% | 66 ms | 826,675 ankipro |
|
||
| 875 min 0.1% | 84 ms | 627,289 ankipro |
|
||
| 807 min 0.1% | 66 ms | 736,209 ankipro |
|
||
| 738 min 0.1% | 67 ms | 661,650 ankipro |
|
||
| 706 min 0.1% | 67 ms | 629,152 ankipro |
|
||
| 703 min 0.1% | 23 ms | 1,854,249 ankipro |
|
||
| 650 min 0.1% | 68 ms | 571,215 ankipro |
|
||