Add index on section_name_id on ci_build_trace_sections table
This was causing user deletions to time out. Closes #44008
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3 changed files with 29 additions and 1 deletions
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changelogs/unreleased/sh-add-section-name-index.yml
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5
changelogs/unreleased/sh-add-section-name-index.yml
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@ -0,0 +1,5 @@
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---
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title: Add index on section_name_id on ci_build_trace_sections table
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merge_request:
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author:
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type: performance
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@ -0,0 +1,22 @@
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class AddSectionNameIdIndexOnCiBuildTraceSections < ActiveRecord::Migration
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include Gitlab::Database::MigrationHelpers
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# Set this constant to true if this migration requires downtime.
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DOWNTIME = false
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disable_ddl_transaction!
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def up
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# MySQL may already have this as a foreign key
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unless index_exists?(:ci_build_trace_sections, :section_name_id)
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add_concurrent_index :ci_build_trace_sections, :section_name_id
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end
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end
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def down
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# We cannot remove index for MySQL because it's needed for foreign key
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if Gitlab::Database.postgresql?
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remove_concurrent_index :ci_build_trace_sections, :section_name_id
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end
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end
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end
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@ -11,7 +11,7 @@
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#
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# It's strongly recommended that you check this file into your version control system.
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ActiveRecord::Schema.define(version: 20180307012445) do
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ActiveRecord::Schema.define(version: 20180308052825) do
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# These are extensions that must be enabled in order to support this database
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enable_extension "plpgsql"
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@ -264,6 +264,7 @@ ActiveRecord::Schema.define(version: 20180307012445) do
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add_index "ci_build_trace_sections", ["build_id", "section_name_id"], name: "index_ci_build_trace_sections_on_build_id_and_section_name_id", unique: true, using: :btree
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add_index "ci_build_trace_sections", ["project_id"], name: "index_ci_build_trace_sections_on_project_id", using: :btree
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add_index "ci_build_trace_sections", ["section_name_id"], name: "index_ci_build_trace_sections_on_section_name_id", using: :btree
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create_table "ci_builds", force: :cascade do |t|
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t.string "status"
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