| Commit message (Collapse) | Author | Age | Files | Lines |
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Let us remove explicit updates of MONITOR_NUM_UNDO_SLOT_USED
and MONITOR_NUM_UNDO_SLOT_CACHED, and let us compute the rough values
from trx_sys.rseg_array[] on demand.
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trx_purge_truncate_rseg_history(): If all other conditions for
invoking trx_purge_remove_log_hdr() hold, but the state is
TRX_UNDO_CACHED instead of TRX_UNDO_TO_PURGE, detach and free it.
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buf_flush_LRU_list_batch(): When evicting clean pages,
release and reacquire the buf_pool.mutex after every 32 pages.
Also, eliminate some conditional branches.
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fil_space_t::create(), fil_space_t::add(): Expect the caller to
acquire and release fil_system.mutex. In this way, creating a tablespace
and adding the first (usually only) data file will be atomic.
recv_sys_t::recover_deferred(): Correctly protect some changes by
holding fil_system.mutex.
Tested by: Matthias Leich
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trx_assign_rseg_low(): Let us restore the debug variable look_for_rollover
to avoid assertion failures when a server that was created with
multiple undo tablespaces is being started with innodb_undo_tablespaces=0.
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trx_assign_rseg_low(): Correct a debug injection condition.
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trx_assign_rseg_low(): Simplify the debug check.
trx_rseg_t::reinit(): Reset the skip_allocation() flag.
This logic was broken in the merge
commit 3e2ad0e918d5d38322994ec9e08fc5dda3a80707
of commit 0de3be8cfdfc26f5c236eaefe12d03c7b4af22c8
(that is, innodb_undo_log_truncate=ON would never be "completed").
Tested by: Matthias Leich
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It is used in the out-of date Ubuntu 21.10 Impish.
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If SQL_MODE contains ANSI_QUOTES (https://mariadb.com/kb/en/sql-mode/), then
the double-quote character (") is not a legal string delimiter.
In https://github.com/MariaDB/server/commit/13e77930e615f05cc74d408110e887b00e1abcc9#diff-a333d4ebb2d73b6361ef7dfebc86d883f7e19853b4a9eb85984b039058fae47cR2431-R2435,
Daniel Black introduced a case where the double-quote character would be used as
a string delimiter in the SQL queries generated by mariadb-tzinfo-to-sql.
This tool tool generates SQL queries which should be able to run on any
MariaDB server of the matching version. Therefore, it should be extremely
conservative in the SQL that it outputs, in order to maximize the chance
that it can run regardless of the build or execution environment of the
server.
See MDEV-18778, MDEV-28263, and MDEV-28782 for previous cases where MariaDB
has FAILED TO ENSURE that the generated timezone.sql actually works in
different build and execution environments. More test coverage is clearly
needed here.
All new code of the whole pull request, including one or several files that are
either new files or modified ones, are contributed under the BSD-new license. I
am contributing on behalf of my employer Amazon Web Services, Inc.
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The 2013 error was right to catch the case B of the test unprepared
for an expected simulated crash.
The test gets refined to SELECT a (type of) bool value before the
crash is invoked.
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Appending to 'eatmydata' will obviously cause an executable that
doesn't exist. Use an array to create the entire executable.
Also while we are at it, check the fakeroot actually works before
using it.
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was closed by parallel thread
fil_delete_tablespace() stores file handle in local variable and calls
mtr_t::commit_file()=>fil_system_t::detach(..., detach_handle=true), which
sets space->chain.start->handle = OS_FILE_CLOSED. fil_system_t::detach()
is invoked under fil_system.mutex.
But before the mutex is acquired some parallel thread can change
space->chain.start->handle. fil_delete_tablespace() returns value, stored
in local variable, i.e. wrong value.
File handle can be closed, for example, from buf_flush_space() when the
limit of innodb_open_files exceded and fil_space_t::get() causes
fil_space_t::try_to_close() call.
fil_space_t::try_to_close() is executed under fil_system.mutex. And
mtr_t::commit_file() locks it for fil_system_t::detach() call.
fil_system_t::detach() returns detached file handle if its argument
detach_handle is true. The fix is to let mtr_t::commit_file() to pass
that detached file handle to fil_delete_tablespace().
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in MDEV-23855
Post-push fix.
10.5 MDEV-30775 fix inserts just opened tablespace just after the element
which fil_system.space_list_last_opened points to.
In MDEV-25223 fil_system_t::space_list was changed from UT_LIST to
ilist. ilist<...>::insert(iterator pos, reference value) inserts element
to list before pos.
But it was not taken into account during 10.5->10.6 merge in
85cbfaefee694cdd490b357444f24ff16b8042e8, and the fix
does not work properly, i.e. it inserted just opened tablespace to the
position preceding fil_system.space_list_last_opened.
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Currently autobake-debs.sh does not pass shellcheck
it fails making errors:
* SC1091 when using shellcheck -x it needs to know where to
find ./VERSION. As this is not needed we just specify it
as /dev/null as mentioned in shellcheck documentation:
https://www.shellcheck.net/wiki/SC1091
* SC2086 make sure that there is no globbing or word splitting
in dpkg-buidpackage string. This not big problem or about to happen
but now extra parameter parsing is more Bash compliant with
using array.
Change BUILDPACKAGE_PREPEND to BUILDPACKAGE_DPKGCMD which holds
'eatmydata' if it's available and needed 'dpkg-buildpackage'
https://www.shellcheck.net/wiki/SC2086
Fix small script indentation problem.
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Github PR #2424 regressed Ubuntu 18.04 building
other than x86_64 machines. Architecture that are
impacted are PPC64 and ARM64.
This was because of changes in debian/rules file
which caused removing dependency to package 'libpmem-dev'
and CMake which '-DWITH_PMEM' removing not working
correctly. Package libpmem-dev was removed but
it still required to have PMEM with CMake which.
Commit make change that -DWITH_PMEM is correctly removed
if it's not wanted.
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tpool::cache::m_mtx: Add PERFORMANCE_SCHEMA instrumentation
(wait/synch/mutex/innodb/tpool_cache_mutex). This covers the
InnoDB read_slots and write_slots for asynchronous data page I/O.
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fil_name_process(): Starting with
commit 212994f704496d01881f377e34e04bd007e5e298
the name is not guaranteed to be NUL terminated.
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- This issue caused by race condition between drop thread
and fil_encrypt_thread. fil_encrypt_thread closes
the tablespace if the number of opened files
exceeds innodb_open_files. fil_node_open_file()
closes the tablespace which are open and it doesn't
have pending operations. At that time, InnoDB drop tries
to write the redo log for the file delete operation.
It throws the bad file descriptor error.
- When trying to close the file, InnoDB should check
whether the table is going to be dropped.
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os_aio_pending_reads_approx(), os_aio_pending_reads(): Replaces
buf_pool.n_pend_reads.
os_aio_pending_writes(): Replaces buf_dblwr.pending_writes().
buf_dblwr_t::write_cond, buf_dblwr_t::writes_pending: Remove.
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utf8mb4_unicode_nopad_ci
The problem was earlier fixed by the patch for MDEV-30034.
Adding MTR tests only.
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Spider system tables should be created so that wsrep_on=OFF.
Signed-off-by: Julius Goryavsky <julius.goryavsky@mariadb.com>
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- Adding a new argument "flag" to MY_COLLATION_HANDLER::strnncollsp_nchars()
and a flag MY_STRNNCOLLSP_NCHARS_EMULATE_TRIMMED_TRAILING_SPACES.
The flag defines if strnncollsp_nchars() should emulate trailing spaces
which were possibly trimmed earlier (e.g. in InnoDB CHAR compression).
This is important for NOPAD collations.
For example, with this input:
- str1= 'a ' (Latin letter a followed by one space)
- str2= 'a ' (Latin letter a followed by two spaces)
- nchars= 3
if the flag is given, strnncollsp_nchars() will virtually restore
one trailing space to str1 up to nchars (3) characters and compare two
strings as equal:
- str1= 'a ' (one extra trailing space emulated)
- str2= 'a ' (as is)
If the flag is not given, strnncollsp_nchars() does not add trailing
virtual spaces, so in case of a NOPAD collation, str1 will be compared
as less than str2 because it is shorter.
- Field_string::cmp_prefix() now passes the new flag.
Field_varstring::cmp_prefix() and Field_blob::cmp_prefix() do
not pass the new flag.
- The branch in cmp_whole_field() in storage/innobase/rem/rem0cmp.cc
(which handles the CHAR data type) now also passed the new flag.
- Fixing UCA collations to respect the new flag.
Other collations are possibly also affected, however
I had no success in making an SQL script demonstrating the problem.
Other collations will be extended to respect this flags in a separate
patch later.
- Changing the meaning of the last parameter of Field::cmp_prefix()
from "number of bytes" (internal length)
to "number of characters" (user visible length).
The code calling cmp_prefix() from handler.cc was wrong.
After this change, the call in handler.cc became correct.
The code calling cmp_prefix() from key_rec_cmp() in key.cc
was adjusted according to this change.
- Old strnncollsp_nchar() related tests in unittest/strings/strings-t.c
now pass the new flag.
A few new tests also were added, without the flag.
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The tests innodb.import_tablespace_race, innodn.restart, and innodb.innodb-wl5522 move
the tablespace file between the data directory and the tmp directory specified by
global environment variables. However this is risky because it's not unusual that the
set tmp directory (often under /tmp) is mounted on another disk partition or device,
and 'move_file' command may fail with "Errcode: 18 'Invalid cross-device link.'"
For innodb.import_tablespace_race and innodb.innodb-wl5522, moving files
across directories is not necessary. Modify the tests so they rename
files under the same directory. For innodb.restart, instead of moving
between datadir and MYSQL_TMPDIR, move the files under MYSQLTEST_VARDIR.
All new code of the whole pull request, including one or several files that
are either new files or modified ones, are contributed under the BSD-new license.
I am contributing on behalf of my employer Amazon Web Services, Inc.
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The tests innodb.import_tablespace_race, innodn.restart, and innodb.innodb-wl5522 move
the tablespace file between the data directory and the tmp directory specified by
global environment variables. However this is risky because it's not unusual that the
set tmp directory (often under /tmp) is mounted on another disk partition or device,
and 'move_file' command may fail with "Errcode: 18 'Invalid cross-device link.'"
To stabilize mysqltest in the described scenario, and prevent such
behavior in the future, let make_file() check both from file path and to
file path and make sure they are either both under MYSQLTEST_VARDIR or
MYSQL_TMP_DIR.
All new code of the whole pull request, including one or several files that
are either new files or modified ones, are contributed under the BSD-new license.
I am contributing on behalf of my employer Amazon Web Services, Inc.
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Query cache should be invalidated if we are not in applier. For some
reason this condition was incorrect starting from 10.5 but it is
correct in 10.4.
Signed-off-by: Julius Goryavsky <julius.goryavsky@mariadb.com>
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This is allowed:
STRING_WITH_LEN("string literal")
This is not:
char *str = "pointer to string";
... STRING_WITH_LEN(str) ..
In C++ this is also allowed:
const char str[] = "string literal";
... STRING_WITH_LEN(str) ...
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Test fails sporadically and very rarely on this:
```
let $org_queries= `SHOW STATUS LIKE 'Queries'`;
SELECT f1();
CALL p1();
let $new_queries= `SHOW STATUS LIKE 'Queries'`;
let $diff= `SELECT SUBSTRING('$new_queries',9)-SUBSTRING('$org_queries',9)`;
```
if COM_QUIT from one of the earlier (in the test) disconnect's
happens between the two SHOW STATUS commands.
Because COM_QUIT increments "Queries".
The directly previous test uses wait_condition to wait for
its disconnects to complete. But there are more disconnects earlier
in the test file and nothing waits for them.
Let's change wait_condition to wait for *all* disconnect to complete.
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MariaDB server prints the stack information if a crash happens.
It traverses the stack frames in function `print_with_addr_resolve`.
For *EACH* frame, it tries to parse the file name and line number of the
frame using `addr2line`, or prints `backtrace_symbols_fd` if `addr2line`
fails.
1. Logic in `addr_resolve` function uses addr2line to get the file name
and line numbers. It has a timeout of 500ms to wait for the response
from addr2line. However, that's not enough on small instances
especially if the debug information is in a separate file or
compressed.
Increase the timeout to 5 seconds to support some edge cases, as
experiments showed addr2line may take 2-3 seconds on some frames.
2. While parsing a frame inside of a shared library using `addr2line`,
the file name and line numbers could be `??`, empty or `0` if the
debug info is not loaded.
It's easy to reproduce when glibc-debuginfo is not installed.
Instead of printing a meaningless frame like:
:0(__GI___poll)[0x1505e9197639]
...
??:0(__libc_start_main)[0x7ffff6c8913a]
We want to print the frame information using `backtrace_symbols_fd`,
with the shared library name and a hexadecimal offset.
Stacktrace example on a real instance with this commit:
/lib64/libc.so.6(__poll+0x49)[0x145cbf71a639]
...
/lib64/libc.so.6(__libc_start_main+0xea)[0x7f4d0034d13a]
`addr_resolve` has considered the case of meaningless combination of
file name and line number returned by `addr2line`. e.g. `??:?`
However, conditions like `:0` and `??:0` are not handled. So now the
function will rollback to `backtrace_symbols_fd` in above cases.
All new code of the whole pull request, including one or several files
that are either new files or modified ones, are contributed under the
BSD-new license. I am contributing on behalf of my employer Amazon Web
Services, Inc.
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failed in int wsrep::transaction::before_commit()
CREATE [TEMPORARY] SEQUENCE is internally CREATE+INSERT (initial value)
and it is replicated using statement based replication. In Galera
we use either TOI or RSU so we should skip commit time hooks
for it.
Signed-off-by: Julius Goryavsky <julius.goryavsky@mariadb.com>
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With binlogs enabled, debug assertion ut_ad(xid_seqno > wsrep_seqno)
fired in trx_rseg_update_wsrep_checkpoint() when an applier thread
synced the seqno out of order for write set which had failed
certification. This was caused by releasing commit
order too early when binlogs were on, allowing group
commit to run in parallel and commit following transactions
too early.
Fixed by extending the commit order critical section to cover
call to wsrep_set_SE_checkpoint() also when binlogs are on.
Signed-off-by: Julius Goryavsky <julius.goryavsky@mariadb.com>
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When using LEFT() function with a string that is without a charset,
the function crashes. This is because the function assumes that
the string has a charset, and tries to use it to calculate the
length of the string.
Two functions, UNHEX and WEIGHT_STRING, returned a string without
the charset being set to a not null value.
The fix is to set charset when calling val_str on these two functions.
Reviewed-by: Alexander Barkov <bar@mariadb.com>
Reviewed-by: Daniel Black <daniel@mariadb.org>
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to delete the data directory on shutdown
Let us make innodb_buffer_pool_filename a read-only variable
so that a malicious user cannot cause an important file to be
deleted on InnoDB shutdown. An attempt to delete a directory
will fail because it is not a regular file, but what if the
variable pointed to (say) ibdata1, ib_logfile0 or some *.ibd file?
It does not seem to make much sense for this parameter to be
configurable in the first place, but we will not change that in order
to avoid breaking compatibility.
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Problem:
UNIX_TIMESTAMP() called for a expression of the TIME data type
returned NULL.
Inside Type_handler_timestamp_common::Item_val_native_with_conversion
the call for item->get_date() did not convert TIME to DATETIME
automatically (because it does not have to, by design).
As a result, Type_handler_timestamp_common::TIME_to_native() received
a MYSQL_TIME value with zero date 0000-00-00 and therefore returned "true"
(indicating SQL NULL value).
Fix:
Removing the call for item->get_date().
Instantiating Datetime(item) instead.
This forces automatic TIME to DATETIME conversion
(unless @@old_mode is zero_date_time_cast).
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export on partial backup preparing
The solution is to suppress error messages for missing tablespaces if
mariabackup is launched with "--prepare --export" options.
"mariabackup --prepare --export" invokes itself with --mysqld parameter.
If the parameter is set, then it starts server to feed "FLUSH TABLES ...
FOR EXPORT;" queries for exported tablespaces. This is "normal" server
start, that's why new srv_operation value is introduced.
Reviewed by Marko Makela.
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show mysql results for mysql_fix_privilege_tables
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EXPLAIN EXTENDED for an UPDATE/DELETE/INSERT/REPLACE statement did not
produce the warning containing the text representation of the query
obtained after the optimization phase. Such warning was produced for
SELECT statements, but not for DML statements.
The patch fixes this defect of EXPLAIN EXTENDED for DML statements.
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This was failing to compile with AppleClang 14.0.0.14000029.
Thanks to Arunesh Choudhary for noticing.
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All the .inc files that included from binlog_encryption are refactored.
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Moved rpl_parallel.inc to rpl_parallel.test
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- Description:
- Before 10.3.8 semisync was a plugin that is built into the server with
MDEV-13073,starting with commit cbc71485e24c31fc822277625512e55c2a8b650b.
There are still some usage of `rpl_semi_sync_master` in mtr.
Note:
- To recognize the replica in the `dump_thread`, replica is creating
local variable `rpl_semi_sync_slave` (the keyword of plugin) in
function `request_transmit`, that is catched by primary in
`is_semi_sync_slave()`. This is the user variable and as such not
related to the obsolete plugin.
- Found in `sys_vars.all_vars` and `rpl_semi_sync_wait_point` tests,
usage of plugins `rpl_semi_sync_master`, `rpl_semi_sync_slave`.
The former test is disabled by default (`sys_vars/disabled.def`)
and marked as `obsolete`, however this patch will remove the queries.
- Add cosmetic fixes to semisync codebase
Reviewer: <brandon.nesterenko@mariadb.com>
Closes PR #2528, PR #2380
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row_upd_rec_in_place(): Avoid calling page_zip_write_rec() if we
are not modifying any fields that are stored in compressed format.
btr_cur_update_in_place_zip_check(): New function to check if a
ROW_FORMAT=COMPRESSED record can actually be updated in place.
btr_cur_pessimistic_update(): If the BTR_KEEP_POS_FLAG is not set
(we are in a ROLLBACK and cannot write any BLOBs), ignore the potential
overflow and let page_zip_reorganize() or page_zip_compress() handle it.
This avoids a failure when an attempted UPDATE of an NULL column to 0 is
rolled back. During the ROLLBACK, we would try to move a non-updated
long column to off-page storage in order to avoid a compression failure
of the ROW_FORMAT=COMPRESSED page.
page_zip_write_trx_id_and_roll_ptr(): Remove an assertion that would fail
in row_upd_rec_in_place() because the uncompressed page would already
have been modified there.
Thanks to Jean-François Gagné for providing a copy of a page that
triggered these bugs on the ROLLBACK of UPDATE and DELETE.
A 10.6 version of this was tested by Matthias Leich using
cmake -DWITH_INNODB_EXTRA_DEBUG=ON a.k.a. UNIV_ZIP_DEBUG.
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mtr uses group suffix, but some existing inc and test files use
server_id for expect files. This patch aims to fix that.
For spider:
With this change we will not have to maintain a separate version of
restart_mysqld.inc for spider, that duplicates code, just because
spider tests use different names for expect files, and shutdown_mysqld
requires magical names for them.
With this change spider tests will also be able to use other features
provided by restart_mysqld.inc without code duplication, like the
parameter $restart_parameters (see e.g. the testcase mdev_29904.test
in commit ef1161e5d4f).
Tests run after this change: default, spider, rocksdb, galera, using
the following command
mtr --parallel=auto --force --max-test-fail=0 --skip-core-file
mtr --suite spider,spider/*,spider/*/* \
--skip-test="spider/oracle.*|.*/t\..*" --parallel=auto --big-test \
--force --max-test-fail=0 --skip-core-file
mtr --suite galera --parallel=auto
mtr --suite rocksdb --parallel=auto
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