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Without Galera, mariabackup should ignore the --galera-info option
and not fail with rc != 0 like it does now. This commit fixes this flaw.
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tablespaces
- mariabackup fails to assign srv_undo_space_id_start when the
dedicated undo tablespaces are disabled
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Let us use the normal platform-specific preprocessor symbols
__linux__, __sun__, _AIX instead of some homebrew ones.
The preprocessor symbol UNIV_HPUX must have lost its meaning
by f6deb00a56b2e87287d606aba3bcd71290d876ae (note: the symbol
UNIV_HPUX10 is being checked for, but only UNIV_HPUX is defined).
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Even though commit b817afaa1c148437e1016d1981f138d0c46ccbc8 passed
the test mariabackup.compress_qpress, that test turned out to be
too small to reveal one more problem that had previously been prevented
by the existence of ctrl_mutex. I did not realize that there can be
multiple concurrent callers to compress_write(). One of them is the
log copying thread; further callers are data file copying threads
(default: --parallel=1).
By default, there is only one compression worker thread
(--compress-threads=1).
compress_write(): Fix a race condition between threads that would
use the same worker thread object. Make thd->data_avail contain the
thread identifier of the submitter, and add thd->avail_cond to
notify other compress_write() threads that are waiting for a slot.
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and then only into the default name, so that the joiner could find it
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This reverts the revert 4f62dfe676c29437b4a19c4d229e2accd2dda4a6
and fixes the hang that was introduced when ctrl_mutex was removed.
The test mariabackup.compress_qpress covers this code, but the
test is skipped if a stand-alone qpress executable is not available.
It is not available in many software repositories, possibly because
the code base has not been updated since 2010.
This was tested with an executable that was compile from the source
code at http://www.quicklz.com/qpress-11-source.zip (after adding
a missing #include <unistd.h> for the definition of isatty()).
Compared to the grandparent commit (before the revert), the changes
are as follows:
comp_thread_ctxt_t::done_cond: A separate condition for completed
compression, signaling that thd->to_len has been updated.
compress_write(): Replace some threads[i] with thd.
Reset thd->to_len = 0 after consuming the compressed data.
compress_worker_thread_func(): After consuming the uncompressed
data, set thd->data_avail = FALSE. After compressing, signal
thd->done_cond.
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This reverts commit 863c3eda872b19f70ce6045119bf621584e1312d.
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K&R style function definitions are deprecated in all versions of C
and not supported in C2x.
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comp_thread_ctxt_t: Remove ctrl_mutex, ctrl_cond, started. We do not
actually need them for anything.
destroy_worker_thread(): Split from destroy_worker_threads().
create_worker_threads(): We already initialize
thd->data_avail=FALSE and thd->cancelled=FALSE before
invoking pthread_create(). If any thread creation fails,
clean up by destroy_worker_thread().
compress_worker_thread_func(): Assume that thd->started and
thd->data_avail are already initialized.
Reviewed by: Vladislav Vaintroub
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created after full backup is taken
When "mariabackup --target-dir=$basedir --incremental-dir=$incremental_dir"
is running and is moving a new table file (e.g. `db1/t1.new`) from the
incremental directory to the base directory, it needs to verify that the base
backup database directory (e.g. `$basedir/db1`) really exists
(or create it otherwise).
The table `db1/t1` can come from a new database `db1` which
was created during the base mariabackup execution time.
In such case the directory `db1` exists only in the incremental directory,
but does not exist in the base directory.
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LOGGER::error_log_print at sql/log.cc:1181
don't initialize error_log_handler_list in set_handlers()
* error_log_handler_list is initialized to LOG_FILE early, in init_base()
* set_handlers always reinitializes it to LOG_FILE, so it's pointless
* after init_base() concurrent threads start using sql_log_warning,
so following set_handlers() shouldn't modify error_log_handler_list
without some protection
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We will remove the parameter innodb_disallow_writes because it is badly
designed and implemented. The parameter was never allowed at startup.
It was only internally used by Galera snapshot transfer.
If a user executed
SET GLOBAL innodb_disallow_writes=ON;
the server could hang even on subsequent read operations.
During Galera snapshot transfer, we will block writes
to implement an rsync friendly snapshot, as follows:
sst_flush_tables() will acquire a global lock by executing
FLUSH TABLES WITH READ LOCK, which will block any writes
at the high level.
sst_disable_innodb_writes(), invoked via ha_disable_internal_writes(true),
will suspend or disable InnoDB background tasks or threads that could
initiate writes. As part of this, log_make_checkpoint() will be invoked
to ensure that anything in the InnoDB buf_pool.flush_list will be written
to the data files. This has the nice side effect that the Galera joiner
will avoid crash recovery.
The changes to sql/wsrep.cc and to the tests are based on a prototype
that was developed by Jan Lindström.
Reviewed by: Jan Lindström
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As main() invokes parse_page() when -S or -D are set, it can be a case
when parse_page() is invoked when -D filename is not set, that is why
any attempt to write to page dump file must be done only if the file
name is set with -D.
The bug is caused by 2ef7a5a13a988842450cbeeaceaf0ea1a78a3c27
(MDEV-13443).
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This commit adds correct handling of binlogs for SST using rsync
or mariabackup. Before this fix, binlogs were handled incorrectly -
- only one (last) binary log file was transferred during SST, which
then led to various failures (for example, when trying to list all
events from the binary log). These bugs were long masked by flaws
in the primitive binlogs handling code in the SST scripts, which
causing binary logs files to be erased after transfer or not added
to the binlog index on the joiner node. Now the correct transfer
of all binary logs (not just the last of the binary log files) has
been implemented both for the rsync (at the script level) and for
the mariabackup (at the level of the main utility code).
This commit also adds a new sst_max_binlogs=<n> parameter, which
can be located in the [sst] section or in the [xtrabackup] section
(historically, supported for mariabackup only, not for rsync), or
in one of the server sections. This parameter specifies the number
of binary log files to be sent to the joiner node during SST. This
option is added for compatibility with old SST scripting behavior,
which can be emulated by setting the sst_max_binlogs=1 (although
in general this can cause problems for the reasons described above).
In addition, setting the sst_max_binlogs=0 can be used to suppress
the transmission of binary logs to the joiner nodes during SST
(although sometimes a single file with the current binary log can
still be transmitted to the joiner, even with sst_max_binlogs=0,
because this sometimes necessary in modes that involve the use of
GTIDs with Galera).
Also, this commit ensures correct handling of paths to various
innodb files and directories in the SST scripts, and fixes some
problems with this that existed in mariabackup utility (which
were associated with incorrect handling of the innodb_data_dir
parameter in some scenarios).
In addition, this commit contains the following enhancements:
1) Added tests for mtr, which check the correct work with binlogs
after SST (using rsync and mariabackup);
2) Added correct handling of slashes at the end of all paths that
the SST script receives as parameters;
3) Improved parsing code for --mysqld-args parameters. Now it
correctly processes the sequence "--" after the name of the
one-letter option;
4) Checking the secret signature during joiner authentication
is made independent of presence of bash (as a unix shell)
in the system and diff utility no longer needed to check
certificates compliance;
5) All directories that are necessary for the correct placement
of various logs are automatically created by SST scripts in
advance (before running mariabackup on the joiner node);
6) Removal of old binary logs on joiner is done using the binlog
index (if it exists) (not only by fixed pattern that based
on the current binlog name, as before);
7) Paths for placing binary logs are correctly processed if they
are set as relative paths (to the datadir);
8) SST scripts are made even more resistant to spaces in filenames
(now for binlogs);
9) In case of failure, SST scripts now always end with an exit
code other than zero;
10) SST script for rsync now correctly create a tar file with
the binlogs, even if the paths to them (in the binlog index
file) are specified as a mix of absolute and relative paths,
and even if they do not match with the datadir path specified
in the current configuration settings.
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1) Removed symlinks that are not very well supported in tar under Windows.
2) Added comment + changed code formatting in viosslfactories.c
3) Fixed a small bug in the yassl code.
4) Fixed a typo in the script code.
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Fix a potential deadlock bug between locks ctrl_mutex and entry->mutex
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this patch moves cpack summury and description for optional packages
to the appropriate CMakeLists.txt files
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The previous threads locked need to be released too.
This occurs if the initialization of any of the non-first
mutex/conditition variables errors occurs.
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Fix a bug of unreleased lock ctrl_mutex in the method create_worker_threads
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release lock in all as cases n xbstream_open, also fix the case where malloc would return NULL.
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This file had not been compiled for long time.
Remove this from the tree.
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InnoDB tablespace identifiers and page numbers are 32-bit numbers.
Let us use a 32-bit type for them in innochecksum.
The changes in commit 1918bdf32cdbd1f190cc4479f4076ee4a467f25d
broke the build on 32-bit Windows.
Thanks to Vicențiu Ciorbaru for an initial version of this fixup.
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This gives a short overview over found/missing dependencies as well
as enabled/disabled features.
Initial author Heinz Wiesinger <heinz@m2mobi.com>
Additions by Vicențiu Ciorbaru <vicentiu@mariadb.org>
* Report all plugins enabled via MYSQL_ADD_PLUGIN
* Simplify code. Eliminate duplication by making use of WITH_xxx
variable values to set feature "ON" / "OFF" state.
Reviewed by: wlad@mariadb.com (code details) serg@mariadb.com (the idea)
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Store and maintain xdes pages always. And doesn't verify checksums for
freed pages.
innochecksum can work only with the first space file of multiple ones.
Tell about it and abort in case of not the first file.
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Thanks to @shinguz for helping with this.
This a backport commit from 10.7
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Let us simply refuse an upgrade from earlier versions if the
upgrade procedure was not followed. This simplifies the purge,
commit, and rollback of transactions.
Before upgrading to MariaDB 10.3 or later, a clean shutdown
of the server (with innodb_fast_shutdown=1 or 0) is necessary,
to ensure that any incomplete transactions are rolled back.
The undo log format was changed in MDEV-12288. There is only
one persistent undo log for each transaction.
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mariabackup --help
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