| Commit message (Collapse) | Author | Age | Files | Lines |
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* Disallow setting wsrep_on = 1 if wsrep_provider is unset. Also, move
wsrep_on_basic from sys_vars to wsrep suite: this test now requires
to run with wsrep_provider set
* Disallow setting @@session.wsrep_on = 1 when @@global.wsrep_on = 0
* Handle the case where a new connection turns @@global.wsrep_on from
off to on. In this case we would miss a call to wsrep_open, causing
unexpected states in wsrep::client_state (causing assertions).
* Disable wsrep.MDEV-22443 because it is no longer possible to enable
wsrep_on, if server is started with wsrep_provider='none'
Reviewed-by: Jan Lindström <jan.lindstrom@mariadb.com>
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* Table should have primary key
* Enable wsrep_sync_wait before final selects
* Enable autocommit before final selects.
* Fix joiner monitoring in case of mysqldump.
* Add wait_conditions to stabilize
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* Table should have primary key
* Enable wsrep_sync_wait before final selects
* Enable autocommit before final selects.
* Fix joiner monitoring in case of mysqldump.
* Add wait_conditions to stabilize
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SSL practices and configuration.
1. Pass joiner's authentication information to donor together with address
in State Transfer Request. This allows joiner to authenticate donor on
connection. Previously joiner would accept data from anywhere.
2. Deprecate custom SSL configuration variables tca, tcert and tkey in favor
of more familiar ssl-ca, ssl-cert and ssl-key. For backward compatibility
tca, tcert and tkey are still supported.
3. Allow falling back to server-wide SSL configuration in [mysqld] if no SSL
configuration is found in [sst] section of the config file.
4. Introduce ssl-mode variable in [sst] section that takes standard values
and has following effects:
- old-style SSL configuration present in [sst]: no effect
otherwise:
- ssl-mode=DISABLED or absent: retains old, backward compatible behavior
and ignores any other SSL configuration
- ssl-mode=VERIFY*: verify joiner's certificate and CN on donor,
verify donor's secret on joiner
(passed to donor via State Transfer Request)
BACKWARD INCOMPATIBLE BEHAVIOR
- anything else enables new SSL configuration convetions but does not
require verification
ssl-mode should be set to VERIFY only in a fully upgraded cluster.
Examples:
[mysqld]
ssl-cert=/path/to/cert
ssl-key=/path/to/key
ssl-ca=/path/to/ca
[sst]
-- server-wide SSL configuration is ignored, SST does not use SSL
[mysqld]
ssl-cert=/path/to/cert
ssl-key=/path/to/key
ssl-ca=/path/to/ca
[sst]
ssl-mode=REQUIRED
-- use server-wide SSL configuration for SST but don't attempt to
verify the peer identity
[sst]
ssl-cert=/path/to/cert
ssl-key=/path/to/key
ssl-ca=/path/to/ca
ssl-mode=VERIFY_CA
-- use SST-specific SSL configuration for SST and require verification
on both sides
Reviewed-by: Jan Lindström <jan.lindstrom@mariadb.com>
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This commit removes the mtr test galera_sst_mariabackup_encrypt_with_key
from the list of disabled tests because the problem with it has already
been fixed.
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The auto-increment variables may change intermittently during
the execution of some tests from the Galera mtr suite, causing
these tests to fail. This patch creates conditions in which
unpredictable changes to these variables are not possible
during the execution of those tests in which this problem
is noticed or their values are restored before the end of
testing.
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Virtual column fields are not found in prebuilt data type, so we should
match InnoDB fields with `get_innobase_type_from_mysql_type` method.
Reviewed-by: Jan Lindström <jan.lindstrom@mariadb.com>
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Part #2, specifically for the 10.5+ branch:
The auto-increment parameters can change sporadically during the
execution of the mtr test "galera_vote_rejoin_ddl", causing it to
fail. This patch creates an environment where unpredictable changes
to these auto-increment settings do not occur during the test.
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After the merging of MDEV-24915, 10.6 branch has regressions with handling of
concurrent write load against two or more cluster nodes. These regressions may
surface as cluster hanging, node crashes or data inconsistency. With some test
scenarios, the only visible symptom could be that the BF victim aborting happens
only by innodb lock wait timeout expiration. This would result only to poor
performance (by default 50 sec hang for each BF conflict), and could be somewhat
difficult to diagnose.
This pull request has following fixes to handle concurrent write load from
multiple nodes:
In lock_wait_wsrep_kill(), the victim trx was expected to be only in
TRX_STATE_ACTIVE state. With the delayed BF conflict handling, it can happen
that victim has advanced into pre commit state. This was fixed by choosing
victim both in TRX_STATE_ACTIVE and TRX_STATE_PREPARED states.
Victim transaction may be in several different states at the time of detected
lock conflict, and due to delayed BF aborting practice in MDEV-24915, the victim
may advance further before the actual BF aborting takes place. The BF aborting
in MDEV-24915 did not wake the victim, if it was in the state of waiting for
some other lock (than the one that was blocking the high priority thread).
This anomaly caused the innodb lock wait timeout expiration delays and poor
performance symptom. To fix this, lock_wait_wsrep_kill() now looks if
victim is in lock waiting state, and uses lock_cancel_waiting_and_release()
to cancel this lock wait.
wsrep_bf_abort() checks if the victim has active transaction (in wsrep-lib),
and starts a new transaction if there was no active transaction before.
Due to late BF aborting, the victim may have e.g. failed in certification
and is already aborting or has aborted at this stage. This has caused
problems in testing where BF aborter tries to BF abort himself.
The fix in wsrep_bf_abort() now skips the BF abort, if victim is aborting
or has aborted. Victim may not have started transaction yet in wsrep context,
but it may have acquired MDL locks (due to DDL execution), and this has
caused BF conflict. Such case does not require aborting in wsrep or
replication provider state.
BF aborting could cause BF-BF conflict scenario, if victim was already aborted
and changed to replayer having high priority as well. This BF-BF conflict
scenario is now avoided in lock_wait_wsrep() where we now check if blocking
lock holder is also high priority and is ordered before, caller should wait
for the lock in this situation.
The natural innodb deadlock resolving algorithm could pick BF thread as
deadlock victim. This is fixed by giving max weigh to BF threads in
Deadlock::report().
MDEV-24341 has changed excution paths in do_command() and this affects BF
aborted victim execution. This PR fixes one assert in do_command():
DBUG_ASSERT(!thd->async_state.pending_ops())
Which fired if the thd was BF aborted earlier. This assert is now changed
to allow pending_ops() if thd was BF aborted before.
With these fixes, long term highly conflicting write load could be run against
to node cluster. If binlogging is configured, log_slave_updates should be
also set.
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This patch makes the following changes around variable wsrep_on:
1) Variable wsrep_on can no longer be updated from a session that has
an active transaction running. The original behavior allowed cases
like this:
BEGIN;
INSERT INTO t1 VALUES (1);
SET SESSION wsrep_on = OFF;
INSERT INTO t1 VALUES (2);
COMMIT;
With regular transactions this would result in no replication
events (not even value 1). With streaming replication it would be
unnecessarily complex to achieve the same behavior. In the above
example, it would be possible for value 1 to be already replicated if
it happened to fill a separate fragment, while value 2 wouldn't.
2) Global variable wsrep_on no longer affects current sessions, only
subsequent ones. This is to avoid a similar case to the above, just
using just by using global wsrep_on instead session wsrep_on:
--connection conn_1
BEGIN;
INSERT INTO t1 VALUES(1);
--connection conn_2
SET GLOBAL wsrep_on = OFF;
--connection conn_1
INSERT INTO t1 VALUES(2);
COMMIT;
The above example results in the transaction to be replicated, as
global wsrep_on will only affect the session wsrep_on of new
connections.
Reviewed-by: Jan Lindström <jan.lindstrom@mariadb.com>
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* Remove usage of wsrep_provider variable in galera_ist_restart_joiner
* Rename galera_load_provider.inc and galera_unload_provider.inc to
galera_stop_replication.inc and galera_start_replication.inc. Their
original names were no longer reflecting what these include files do.
followup for ce3a2a688db
Reviewed-by: Jan Lindström <jan.lindstrom@mariadb.com>
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galera.galera_gcache_recover
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Mariabackup SST fails if "--log-bin" option is added with no value
to command line parameters at server startup. This is because the SST
scripts do not correctly interpret the "--- log-bin" option without a
value. This patch adds correct handling of the "--log-bin" parameter
without value to the general part of the parameter parsing (for SST
scripts) and fixes the problem. Also added a test that checks the
correct operation of the server after the fix.
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(thd->lex->sql_command == SQLCOM_CREATE_TABLE && !thd->is_current_stmt_binlog_format_row())
Prevent adding WSREP keys with CTAS when table is is not InnoDB.
Reviewed-by: Jan Lindström <jan.lindstrom@mariadb.com>
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TTASEventMutex<GenericPolicy>]: Assertion `!is_owned()' failed. assertion
MDEV-24649 galera.galera_bf_lock_wait MTR failed with sigabrt: Assertion `!is_ow
ned()' failed in sync0policy.ic on MutexDebug with Mutex = TTASEventMutex<GenericPolicy>
Bug was fixed as part of MDEV-23328, this just adds test cases to
regression set.
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Keyvalue can be longer than REC_VERSION_56_MAX_INDEX_COL_LEN
and this leads out-of-array reference. Use dynamic memory
allocation using actual max length of key value.
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Add missing dbug sync point and correct the test case.
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Added a new wsrep_mode feature DISALLOW_LOCAL_GTID for this.
Nodes can have GTIDs for local transactions in the following scenarios:
A DDL statement is executed with wsrep_OSU_method=RSU set.
A DML statement writes to a non-InnoDB table.
A DML statement writes to an InnoDB table with wsrep_on=OFF set.
If user has set wsrep_mode=DISALLOW_LOCAL_GTID these operations
produce a error ERROR HY000: Galera replication not supported
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Introduced two new wsrep_mode options
* REPLICATE_MYISAM
* REPLICATE_ARIA
Depracated wsrep_replicate_myisam parameter and we use
wsrep_mode = REPLICATE_MYISAM instead.
This required small refactoring of wsrep_check_mode_after_open_table
so that both MyISAM and Aria are handled on required DML cases.
Similarly, added Aria to wsrep_should_replicate_ddl to handle DDL
for Aria tables using TOI. Added test cases and improved MyISAM testing.
Changed use of wsrep_replicate_myisam to wsrep_mode = REPLICATE_MYISAM
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