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 |
|---|---|---|
| 27,434 min 5% | 421 ms | 3,912,078 ankipro |
|
||
| 5,106 min 0.8% | 30 ms | 10,148,348 ankipro |
|
||
| 4,976 min 0.8% | 26 ms | 11,657,673 ankipro |
|
||
| 4,840 min 0.8% | 34 ms | 8,588,927 ankipro |
|
||
| 4,425 min 0.7% | 38 ms | 7,078,159 ankipro |
|
||
| 3,988 min 0.7% | 41 ms | 5,904,217 ankipro |
|
||
| 3,530 min 0.6% | 43 ms | 4,965,095 ankipro |
|
||
| 3,165 min 0.5% | 45 ms | 4,191,596 ankipro |
|
||
| 2,891 min 0.5% | 47 ms | 3,693,812 ankipro |
|
||
| 2,628 min 0.4% | 49 ms | 3,194,539 ankipro |
|
||
| 2,299 min 0.4% | 50 ms | 2,735,196 ankipro |
|
||
| 2,033 min 0.3% | 52 ms | 2,333,646 ankipro |
|
||
| 1,834 min 0.3% | 54 ms | 2,025,888 ankipro |
|
||
| 1,777 min 0.3% | 57 ms | 1,860,585 ankipro |
|
||
| 1,432 min 0.2% | 57 ms | 1,495,843 ankipro |
|
||
| 1,393 min 0.2% | 61 ms | 1,366,375 ankipro |
|
||
| 1,263 min 0.2% | 61 ms | 1,241,501 ankipro |
|
||
| 1,180 min 0.2% | 66 ms | 1,073,681 ankipro |
|
||
| 1,106 min 0.2% | 67 ms | 995,841 ankipro |
|
||
| 1,058 min 0.2% | 62 ms | 1,025,487 ankipro |
|
||
| 949 min 0.2% | 64 ms | 893,640 ankipro |
|
||
| 884 min 0.1% | 66 ms | 801,282 ankipro |
|
||
| 839 min 0.1% | 83 ms | 609,294 ankipro |
|
||
| 781 min 0.1% | 66 ms | 714,542 ankipro |
|
||
| 709 min 0.1% | 67 ms | 638,175 ankipro |
|
||
| 668 min 0.1% | 67 ms | 597,939 ankipro |
|
||
| 628 min 0.1% | 68 ms | 552,097 ankipro |
|
||
| 620 min 0.1% | 36 ms | 1,040,487 ankipro |
|
||