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path: root/src/mongo/db/session_catalog.h
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* SERVER-66973 Eagerly reap config.transactions entries for retryable sessionsJack Mulrow2022-06-071-0/+17
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* SERVER-66993 Stop tracking highest child session txnNumberJack Mulrow2022-06-071-12/+0
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* SERVER-66992 Optimize how often SessionCatalog mutex is heldJack Mulrow2022-06-031-7/+5
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* SERVER-66852 Eagerly erase retryable child sessions from SessionCatalogJack Mulrow2022-06-021-4/+26
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* SERVER-66850 Make the LogicalSessionCache reaper only scan parent sessions ↵Cheahuychou Mao2022-05-311-1/+6
| | | | when searching for expired logical sessions
* SERVER-66616 Fix clang_tidy error on enterprise-rhel80-dynamic-clang-tidy-v4 ↵Cheahuychou Mao2022-05-201-1/+1
| | | | caused by getHighestTxnNumberWithChildSessions()
* SERVER-66566 Optimize scanning SessionCatalog when refreshing retryable ↵Cheahuychou Mao2022-05-191-0/+12
| | | | writes from storage
* SERVER-62479 Reap sessions for the same retryable write atomicallyCheahuychou Mao2022-04-131-75/+108
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* SERVER-63495 Unyielding TransactionRouter never fails except at shutdown and ↵Jack Mulrow2022-03-301-1/+6
| | | | support yielding in cluster commands
* SERVER-63978 Killing a child session should prevent checking out its parentJack Mulrow2022-02-251-3/+17
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* SERVER-62020 Make retryable write statements executed with or without ↵Cheahuychou Mao2022-01-141-0/+5
| | | | internal transactions retryable whether or not internal transactions are involved on retries
* SERVER-61277 Concurrent writes on capped clustered collectionsJosef Ahmad2022-01-141-2/+0
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* SERVER-61709 Introduce implicitly replicated namespacesJosef Ahmad2022-01-131-0/+2
| | | | | | | | | | | Implicitly replicated namespaces are internal namespaces that do not replicate writes, with the exception of deletions, user-initiated direct writes and some maintenance operations. This patch lists config.system.preimages, config.images_collection, config.transactions and config.changes.* as implicitly replicated namespaces, and unifies and validates their semantics. It also special-cases some of the config.transactions replication behaviour that is too specific to be generalised.
* SERVER-58751 Support internal sessionsCheahuychou Mao2021-08-141-13/+58
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* SERVER-57425 Change SessionCatalog mutex to level 4jannaerin2021-07-071-1/+1
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* SERVER-57756 Remove ScopedBlockSessionCheckouts which is now unnecessary and ↵Wenbin Zhu2021-07-071-32/+0
| | | | causing race with concurrent stepdowns.
* SERVER-57425 Change SessionCatalog mutex to be level 1jannaerin2021-06-171-1/+1
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* SERVER-52564 Deadlock between step down and MongoDOperationContextSessionRandolph Tan2021-02-041-0/+32
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* SERVER-44155 Validate a subset of latches of all levelsRahul Sundararaman2019-12-091-1/+3
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* SERVER-42967 SERVER-42895 SERVER-44086 Expand DiagnosticInfo hooks in ↵Ben Caimano2019-10-211-1/+1
| | | | | | | | | | | Interruptible and Mutex This commit: - Adds Listener hooks for Interruptible - Expands Listener hooks for Mutex - Updates the DiagnosticInfo and its tests to use the new hooks - Removes stacktracing pieces from DiagnosticInfo and its tests - Removes mongo::ConditionVariable entirely in favor of Interruptible
* SERVER-42165 Replace uses of stdx::mutex with mongo::MutexBen Caimano2019-09-171-3/+3
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* SERVER-39692 Make mongos shutdown drain all in-progress transactionsRandolph Tan2019-07-181-0/+11
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* SERVER-39338 Remove `stdx/functional.h`ADAM David Alan Martin2019-06-101-1/+1
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* SERVER-37837 Examine and reap sessions from the SessionsCatalogKaloian Manassiev2019-05-171-4/+34
| | | | | This change makes the logical sessions cache query and reap sessions, which are possibly only in-memory on the SessionsCatalog.
* SERVER-37837 Use unique_ptr instead of shared_ptr for the SessionCatalog mapKaloian Manassiev2019-05-071-18/+23
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* SERVER-36483 Do not reap transaction entries for prepared transactionsKaloian Manassiev2019-05-021-2/+1
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* SERVER-40357 expand all calls to MONGO_DISALLOW_COPYINGBilly Donahue2019-03-281-3/+4
| | | | | | | | | | | produced by: hits="$(git grep -n MONGO_DISALLOW_COPYING | cut -d: -f1 )" for f in "$hits"; do sed -i.orig ' s/^\( *\)MONGO_DISALLOW_COPYING(\(.*\));/\1\2(const \2\&) = delete;\n\1\2\& operator=(const \2\&) = delete;/; ' $f done
* SERVER-38810 Use Session's concurrency control rules instead of internal ↵Andy Schwerin2019-02-151-10/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | mutexes in TransactionParticipant This type simplifies and clarifies concurrency control in TransactionParticipant by: (1) Removing TP's own mutexes and using the Session concurrency control rules, instead. That is, certain state is only accessible when the Session is checked out, and requires no further locking. Other state is observable either while holding the client lock or while having checked out the Session. The latter type of state is modifiable only when having checked out the session and locked the client. (2) Separating the two types of state in (1) into separate sub-structures in TransactionParticipant, to make it clear who can access what state, (3) Putting all methods formerly on TransactionParticipant onto new member classes, TransactionParticipant::Participant and TransactionParticipant::Observer. The latter can only read the observable state from (1) above, and the participant may read or modify all of the state. The two types introduced by (3) are designed to enforce proper concurrency control by limiting access of their methods to the underlying TransactionParticipant member variables. The observer type has a private o() method which its other methods are required by convention to use in order to obtain read-only access to the Observable state of the TransactionParticipant. The participant type has the o() method plus an o(WithLock) method that allows mutation of the state while holding the client lock, and a p() method which allows reading and writing of the private state with no other locks. Please see the implementation in transaction_participant.cpp for examples. It is worth noting that with this change, locking the Client is not needed often and never for long, and there is no need for separate mutexes for participant state and monitoring state.
* SERVER-39560 - remove leading blank line on all C++ filesBilly Donahue2019-02-131-1/+0
| | | | | | Remove leading comments that are just stating the filename. Move any file-level comments below the copyright banner. Remove leading blank lines.
* SERVER-38810 Temporarily do not hold the client lock in ObservableSession in ↵Kaloian Manassiev2019-01-111-3/+1
| | | | order to avoid deadlock
* SERVER-38810 Simplify correct usage of locking in Session/SessionCatalog.Andy Schwerin2019-01-101-48/+147
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch introduces two new types for gaining access to sessions in the session catalog, based on the context of the access. It leaves a third way to access sessions, which is via OperationContextSession::get(). The new types are ObservableSession and SessionToKill. With this change, a thread may access a session in one of three ways: (1) by binding the session to an OperationContext for regular use, by instantiation of OperationContextSession or MongoDOperationContextSession, as before. (2) In the callback passed to SessionCatalog::scanSessions, in which case the callback is passed an ObservableSession that represents looking at a Session while the SessionCatalog mutex is locked and while the bound OperationContext's client mutex is held, if the session is currently checked out via methods (1) or (3). (3) By calling SessionCatalog::checkOutSessionForKill, which returns a KillableSession. This is used for cleaning a session up after it is marked for kill. This patch eliminates Session::_mutex, which is no longer required, as the SessionCatalog::_mutex and the Client provide all necessary mutual exclusion for the Session type itself.
* SERVER-37923 Make chunk migration check-out the sessionKaloian Manassiev2018-12-061-59/+22
| | | | | With this change there are no callers which modify the session state without having checked it out first.
* SERVER-37665 Add interface to explicitly checkin/checkout the OpContext sessionKaloian Manassiev2018-11-161-0/+10
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* SERVER-37665 Get rid of the 'checkOutSession' parameter of ↵Kaloian Manassiev2018-11-161-1/+1
| | | | | | | | | | | OperationContextSession This simplifies the behaviour of the class and moves all the check-out decision taking to happen in the only consumer - the endpoint. Also renames OperationContextSessionMongoD to MongoDOperationContextSession in order to be in sync with the naming nomenclature of SessionCatalog and MongoDSessionCatalog.
* SERVER-38058 Make retryable_writes_direct_write_to_config_transactions.js ↵Kaloian Manassiev2018-11-131-1/+0
| | | | expect ConflictingOperationInProgress
* Revert "SERVER-38058 Make ↵Kaloian Manassiev2018-11-131-0/+1
| | | | | | retryable_writes_direct_write_to_config_transactions.js expect ConflictingOperationInProgress" This reverts commit 2f640ed748b861a242b3ad153e821f6b459b2511.
* SERVER-38058 Make retryable_writes_direct_write_to_config_transactions.js ↵Kaloian Manassiev2018-11-131-1/+0
| | | | expect ConflictingOperationInProgress
* SERVER-37244 Make sessions killable outside of the ↵Kaloian Manassiev2018-10-311-17/+31
| | | | Session/TransactionParticipant object
* SERVER-37244 Pull the Session state management from SessionRuntimeInfo into ↵Kaloian Manassiev2018-10-301-15/+13
| | | | | | | | Session The session's check-out state is currently duplicated between SessionCatalog's internal container structure and the Session class. This change moves it all to be under Session.
* SERVER-37711 Revert commits related to lock yielding for prepared ↵Kaloian Manassiev2018-10-251-39/+0
| | | | | | | | | | | transactions on step down This change reverts the following commits: * SERVER-35870 Allow stepdown to work with prepared transactions (f96903979ac329a760e7b6f1bb5d8695d3daf2a7) * SERVER-36913 Add functionality to LockManager for repl state transitions with prepared transactions (e65ff57e108ed69c46cc0b0ccbdd675663de2469) * SERVER-35870 Allow more than one thread to block Session checkout at a time (9406af079a894bae80fbbec4703b04974bf84476) * SERVER-35870 Add functionality to prevent Session checkouts & wait for all Sessions to be checked in (c6d90316d6b694e12426274c713a4a078e004fc5)
* SERVER-37701 Make SessionUpdateTracker include the uid portion of ↵Randolph Tan2018-10-231-5/+1
| | | | LogicalSessionId when tracking
* SERVER-37651 Update header files with new licenseRamon Fernandez2018-10-221-8/+10
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* SERVER-37244 Move MongoD-specific code out of SessionCatalogKaloian Manassiev2018-10-121-19/+9
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* SERVER-36799 Move all transactions and retryable writes functionality from ↵Kaloian Manassiev2018-10-081-0/+1
| | | | | | | Session into TransactionParticipant This change leaves the Session class to be a plain decorable structure only used for serialization of operations on the same logical session.
* SERVER-35870 Allow more than one thread to block Session checkout at a timeSpencer T Brody2018-09-281-2/+6
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* SERVER-35870 Add functionality to prevent Session checkouts & wait for all ↵Spencer T Brody2018-09-171-0/+37
| | | | Sessions to be checked in
* SERVER-35870 Rename SessionCatalog::_txnTable to _sessionsSpencer T Brody2018-09-171-1/+1
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* SERVER-35900 Refactor transaction machinery out from Session classRandolph Tan2018-08-081-6/+1
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* SERVER-34811 Forbid reads and writes to the config, admin, and local ↵Tess Avitabile2018-05-081-1/+3
| | | | databases within transactions
* SERVER-34051 Require autocommit=false on all transaction operations and add ↵William Schultz2018-04-041-1/+2
| | | | | | | | | | | support for 'startTransaction' argument This patch requires all operations that are part of a multi-statement transaction to specify an autocommit=false command argument. It also adds the 'startTransaction' command argument, which when specified as 'true' indicates that a command is the beginning of a multi-statement transaction.
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