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 |
|---|---|---|
| 25,686 min 4% | 418 ms | 3,690,644 ankipro |
|
||
| 4,889 min 0.8% | 30 ms | 9,762,156 ankipro |
|
||
| 4,776 min 0.8% | 25 ms | 11,245,310 ankipro |
|
||
| 4,638 min 0.8% | 34 ms | 8,271,126 ankipro |
|
||
| 4,234 min 0.7% | 37 ms | 6,807,609 ankipro |
|
||
| 3,814 min 0.7% | 40 ms | 5,677,507 ankipro |
|
||
| 3,368 min 0.6% | 42 ms | 4,769,775 ankipro |
|
||
| 3,013 min 0.5% | 45 ms | 4,007,191 ankipro |
|
||
| 2,745 min 0.5% | 47 ms | 3,530,050 ankipro |
|
||
| 2,504 min 0.4% | 49 ms | 3,060,911 ankipro |
|
||
| 2,194 min 0.4% | 50 ms | 2,618,381 ankipro |
|
||
| 1,934 min 0.3% | 52 ms | 2,228,285 ankipro |
|
||
| 1,752 min 0.3% | 54 ms | 1,944,032 ankipro |
|
||
| 1,687 min 0.3% | 57 ms | 1,778,614 ankipro |
|
||
| 1,364 min 0.2% | 57 ms | 1,435,429 ankipro |
|
||
| 1,327 min 0.2% | 61 ms | 1,303,578 ankipro |
|
||
| 1,208 min 0.2% | 61 ms | 1,187,206 ankipro |
|
||
| 1,122 min 0.2% | 66 ms | 1,021,355 ankipro |
|
||
| 1,048 min 0.2% | 66 ms | 947,816 ankipro |
|
||
| 1,007 min 0.2% | 62 ms | 980,781 ankipro |
|
||
| 901 min 0.2% | 63 ms | 854,937 ankipro |
|
||
| 842 min 0.1% | 66 ms | 765,117 ankipro |
|
||
| 788 min 0.1% | 1,394 ms | 33,916 ankipro |
|
||
| 778 min 0.1% | 80 ms | 584,368 ankipro |
|
||
| 744 min 0.1% | 65 ms | 684,122 ankipro |
|
||
| 671 min 0.1% | 66 ms | 607,338 ankipro |
|
||
| 625 min 0.1% | 67 ms | 562,489 ankipro |
|
||
| 600 min 0.1% | 68 ms | 527,826 ankipro |
|
||
| 599 min 0.1% | 36 ms | 1,007,586 ankipro |
|
||