Class: Gitlab::Database::Reindexing::Coordinator
- Inherits:
-
Object
- Object
- Gitlab::Database::Reindexing::Coordinator
- Includes:
- AsyncDdlExclusiveLeaseGuard
- Defined in:
- lib/gitlab/database/reindexing/coordinator.rb
Constant Summary collapse
- TIMEOUT_PER_ACTION =
Maximum lease time for the global Redis lease This should be higher than the maximum time for any long running step in the reindexing process (compare with statement timeouts).
1.day
Instance Attribute Summary collapse
-
#index ⇒ Object
readonly
Returns the value of attribute index.
-
#notifier ⇒ Object
readonly
Returns the value of attribute notifier.
Instance Method Summary collapse
- #drop ⇒ Object
-
#initialize(index, notifier = GrafanaNotifier.new) ⇒ Coordinator
constructor
A new instance of Coordinator.
- #perform ⇒ Object
Methods included from AsyncDdlExclusiveLeaseGuard
#database_config_name, #lease_key
Methods included from ExclusiveLeaseGuard
#exclusive_lease, #lease_key, #lease_release?, #lease_taken_log_level, #lease_taken_message, #log_lease_taken, #release_lease, #renew_lease!, #try_obtain_lease
Constructor Details
#initialize(index, notifier = GrafanaNotifier.new) ⇒ Coordinator
Returns a new instance of Coordinator.
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# File 'lib/gitlab/database/reindexing/coordinator.rb', line 17 def initialize(index, notifier = GrafanaNotifier.new) @index = index @notifier = notifier end |
Instance Attribute Details
#index ⇒ Object (readonly)
Returns the value of attribute index.
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# File 'lib/gitlab/database/reindexing/coordinator.rb', line 15 def index @index end |
#notifier ⇒ Object (readonly)
Returns the value of attribute notifier.
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# File 'lib/gitlab/database/reindexing/coordinator.rb', line 15 def notifier @notifier end |
Instance Method Details
#drop ⇒ Object
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# File 'lib/gitlab/database/reindexing/coordinator.rb', line 36 def drop return if too_late_for_reindexing? try_obtain_lease do Gitlab::AppLogger.info("Removing index #{index.identifier} which is a leftover, temporary index from previous reindexing activity") retries = Gitlab::Database::WithLockRetriesOutsideTransaction.new( connection: connection, timing_configuration: REMOVE_INDEX_RETRY_CONFIG, klass: self.class, logger: Gitlab::AppLogger ) retries.run(raise_on_exhaustion: false) do connection.execute("DROP INDEX CONCURRENTLY IF EXISTS #{full_index_name}") end end end |
#perform ⇒ Object
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# File 'lib/gitlab/database/reindexing/coordinator.rb', line 22 def perform return if too_late_for_reindexing? # This obtains a global lease such that there's # only one live reindexing process at a time. try_obtain_lease do action = ReindexAction.create_for(index) with_notifications(action) do perform_for(index, action) end end end |