mariadb

Tree: a03dd94be8

Author	SHA1	Message	Date
Jan Lindström	a03dd94be8	MDEV-6936: Buffer pool list scan optimization Merged Facebook commit `617aef9f91` authored by Inaam Rana to InnoDB storage engine (not XtraDB) from https://github.com/facebook/mysql-5.6 WL#7047 - Optimize buffer pool list scans and related batch processing Reduce excessive scanning of pages when doing flush list batches. The fix is to introduce the concept of "Hazard Pointer", this reduces the time complexity of the scan from O(n*n) to O. The concept of hazard pointer is reversed in this work. Academically hazard pointer is a pointer that the thread working on it will declar such and as long as that thread is not done no other thread is allowe do anything with it. In this WL we declare the pointer as a hazard pointer and then if any thread attempts to work on it, it is allowed to do so but it has to a the hazard pointer to the next valid value. We use hazard pointer sol reverse traversal of lists within a buffer pool instance. Add an event to control the background flush thread. The background f thread wait has been converted to an os event timed wait so that it c signalled by threads that want to kick start a background flush when buffer pool is running low on free/dirty pages.	11 years ago
Jan Lindström	84de277099	Fix error message output if posix_fallocate (trim) is not successfull.	11 years ago
Jan Lindström	8b1b62dd8f	Fix compiler failure on Windows.	11 years ago
Alexander Barkov	8e27845bb0	A follow up fix for MDEV-5528 (forgot to do "git add" for two files in the previous commit for MDEV-5528)	11 years ago
Jan Lindström	251fa7ffc5	Fix error on trim operation alligment. Furthermore, make sure that we do not return simulated out of file space on read operation, that would cause crash.	11 years ago
Alexander Barkov	43f185e171	MDEV-5528 Command line variable to choose MariaDB-5.3 vs MySQL-5.6 temporal data formats	11 years ago
Alexander Barkov	a245543bc8	MDEV-6649 Different warnings for TIME and TIME(N) when @@old_mode=zero_date_time_cast Merging from 10.0 (pre-requisite for MDEV-5528)	11 years ago
Jan Lindström	cb37c55768	MDEV-6929: Port Facebook Prefix Index Queries Optimization Merge Facebook commit `154c579b82` and `e8f0052f9b` authored by Steaphan Greene from https://github.com/facebook/mysql-5.6 Optimize prefix index queries to skip cluster index lookup when possible. Currently InnoDB will always fetch the clustered index (primary key index) for all prefix columns in an index, even when the value of a particular record is smaller than the prefix length. This change optimizes that case to use the record from the secondary index and avoid the extra lookup. Also adds two status vars that track how effective this is: innodb_secondary_index_triggered_cluster_reads: Times secondary index lookup triggered cluster lookup. innodb_secondary_index_triggered_cluster_reads_avoided: Times prefix optimization avoided triggering cluster lookup.	11 years ago
Nirbhay Choubey	3c2c036248	MDEV-6939 : Dots in file names of configuration files Use fn_ext2() to get the file extension from last occurrence of FN_EXTCHAR ('.') instead.	11 years ago
Nirbhay Choubey	822dc6f5df	mysys/mf_fn_ext.c: typos & indents	11 years ago
Jan Lindström	2bf3e416fe	MDEV-6932: Enable Lazy Flushing Merge Facebook commit `4f3e0343fd` authored by Steaphan Greene from https://github.com/facebook/mysql-5.6 Adds innodb_idle_flush_pct to enable tuning of the page flushing rate when the system is relatively idle. We care about this, since doing extra unnecessary flash writes shortens the lifespan of the flash.	11 years ago
Jan Lindström	58888e2c08	MDEV-6935: Change the default value for innodb_log_compressed_pages to false Merge Facebook commit `ca40b4417f` authored by Steaphan Greene from https://github.com/facebook/mysql-5.6 Change the default value for innodb_log_compressed_pages to false Logging these pages is a waste. We don't want this to be enabled. One caution here: If the zlib version used by innodb is changed, but the running version is still the previous version, and the running version crashes, it is possible crash recovery could fail. When crash recovery uses a zlib version at all different than the version used by the crashed instance, it is possible that a redone compression could fail, where the original did not, because the new zlib version compresses the same data to a slightly larger size. Because of the nature of compression, this is even possible when upgrading to a version of zlib which actually peforms overall better compression than the previous version. If this happens, mysql will fail to recover, since a page split can not be safely triggered during crash recovery. So, either the exact zlib version must be controlled between builds, or these rare recovery failures must be accepted. The cost of logging these pages is quite high, so we consider this limitation to be worthwhile. This failure scenario can not happen if there was a clean shutdown. This is only relevant to restarting crashed instances, or starting an instance built via a hot backup too (XtraBackup).	11 years ago
Jan Lindström	2d2d11f02b	MDEV-6968: CREATE TABLE crashes with InnoDB plugin Analysis: fil_extend_space_to_desired_size() does not provide file node to os_aio(). This failed on Windows only because on Windows we do not use posix_fallocate() to extend file space. Fix: Add file node to os_aio() function call and make sure that we do not use NULL pointer at os_aio_array_reserve_slot(). Additionally, make sure that we do not use 0 as file_block_size (512 is the minimum).	11 years ago
Jan Lindström	b96697d286	MDEV-6648: InnoDB: Add support for 4K sector size if supported New generation hard drives, SSDs and NVM devices support 4K sector size. Supported sector size can be found using fstatvfs() or GetDiskFreeSpace() functions.	11 years ago
Elena Stepanova	e48fbd28d2	Increase the version number	11 years ago
Nirbhay Choubey	5ff6f6f883	Added SST scripts to the server package.	11 years ago
Jan Lindström	9646f946e9	MDEV-6759: innodb valgrind failures Fix failure seen on dict_foreign_remove_partial.	11 years ago
Alexey Botchkov	0a16fe4ec9	GIS-related test results updated.	11 years ago
Jan Lindström	cc656e4d85	Enhance row-merge sort progress logging.	11 years ago
Alexey Botchkov	c3db445956	MDEV-12 OpenGIS: create required tables: GeometryColumns, related views. GEOMETRY_COLUMNS and SPATIAL_REF_SYS tables added to the INFORMATION_SCHEMA.	11 years ago
Jan Lindström	c1f5f61c9b	Make sure that information schema knows also page compressed page type and that we decompress fist page if it is page compressed before really accessing it.	11 years ago
Igor Babaev	d24919969a	Correction for the fix of the bug mdev-6874.	11 years ago
Igor Babaev	ec89abfef4	Merge branch '10.1' of ../10.1-mdev334 into 10.1	11 years ago
Igor Babaev	a4d1783aae	Fixed bug mdev-6874. The method subselect_union_engine::no_rows() must take into account the fact that now unit->fake_select_lex is NULL for for select_union_direct objects.	11 years ago
Sergei Petrunia	aa0fd5ca53	MDEV-6388: ANALYZE $stmt output in the slow query log Add testcase.	11 years ago
Sergei Petrunia	47ced65566	MDEV-6388: ANALYZE $stmt output in the slow query log Make log_slow_verbosity=explain actually print ANALYZE (that is, EXPLAIN otuput with two extra columns).	11 years ago
Sergei Petrunia	d3bdc142b4	Merge branch '10.1' of github.com:MariaDB/server into 10.1	11 years ago
Sergei Petrunia	d44dd54bc8	MDEV-6400: "ANALYZE SELECT ... INTO @var" doesn't set @var Make ANALYZE work for - ANALYZE SELECT ... INTO @var - ANALYZE INSERT SELECT ...; - ANALYZE SELECT .. INTO OUTFILE	11 years ago
Sergei Golubchik	1e79138459	Merge branch 'bb-10.1-merge' into 10.1	11 years ago
Sergei Golubchik	42f359f982	after-merge fixes	11 years ago
Sergei Golubchik	f62c12b405	Merge 10.0.14 into 10.1	11 years ago
Igor Babaev	7aed441963	Merge branch '10.1' of ../10.1-mdev334 into 10.1	11 years ago
Igor Babaev	3c4bb0e872	MDEV-334: Backport of UNION ALL optimization from mysql-5.7. Although the original code of mysql-5.7 was adjusted to the current MariaDB code the main ideas of the optimization were preserved.	11 years ago
Sergey Vojtovich	e813f9b9b3	MDEV-6693 - Atomic operations with explicit memory barrier Added API for atomic operations with explicit memory barrier. Only gcc atomic builtins are currently supported. If they're unavailable, fall back to atomic operations with implicit full memory barrier.	11 years ago
Sergei Golubchik	f947f73b2b	Merge branch '10.1' of https://github.com/ottok/server into ottok-10.1	11 years ago
Sergei Petrunia	fec5ab5a56	MDEV-6396: ANALYZE INSERT/REPLACE is accepted, but does not produce a plan Add ANALYZE STMT handling into INSERT command.	11 years ago
Elena Stepanova	5c33632b50	engine_condition_pushdown has been deprecated	11 years ago
Sergei Golubchik	698fcc5cd2	fix unstable test results	11 years ago
Sergei Golubchik	2f294dbcd8	fix a big test	11 years ago
Sergei Golubchik	5ca5f92a1d	MDEV-5749 Please add a .pc file to MariaDB for easy use via pkg-config	11 years ago
Sergei Golubchik	7f5e51b940	MDEV-34 delete storage/ndb and sql/ndb (and collateral changes) remove: * NDB from everywhere * IM from mtr-v1 * packaging/rpm-oel and packaging/rpm-uln * few unused spec files * plug.in file * .bzrignore	11 years ago
Sergei Golubchik	57dd1f6f3f	MDEV-6108 update userstat feature from percona server TOTAL_SSL_CONNECTIONS columns in CLIENT_STATISTICS and USER_STATISTICS	11 years ago
Sergei Golubchik	43450fcc47	rename status_user.test -> userstat.test	11 years ago
Sergei Golubchik	3182938d22	move userstat tables to a plugin	11 years ago
Sergei Golubchik	db8af31831	SHOW and FLUSH for I_S tables. Extend existing plugins to support * SHOW QUERY_RESPONSE_TIME * FLUSH QUERY_RESPONSE_TIME * SHOW LOCALE move userstat tables to use the new API instead of hand-coded syntax	11 years ago
Sergei Golubchik	932eaf31e9	cleanup: sort struct members by size	11 years ago
Sergei Golubchik	3f7cc414fe	cleanup: remove dead code	11 years ago
Sergei Golubchik	534cbc1f2a	cleanup: my_init_dynamic_array2 -> init_dynamic_array2	11 years ago
Sergei Golubchik	236556df3f	fix TokuDB not to build ft-index library when disabled	11 years ago
Sergei Golubchik	e24c1c0278	cleanup: remove unnecessary hack from federated/CMakeLists.txt	11 years ago

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