Details
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Bug
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Status: Closed (View Workflow)
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Minor
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Resolution: Fixed
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10.2.5, 10.2.6
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None
Description
Usually we see versions for storage engines used in MariaDB 10.2 represented by separate variables:
MariaDB [test]> show variables like '%version%';
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+-------------------------+----------------------------------+
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| Variable_name | Value |
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+-------------------------+----------------------------------+
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| innodb_version | 5.7.14 |
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| protocol_version | 10 |
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| slave_type_conversions | |
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| tokudb_version | 5.6.35-80.0 |
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| version | 10.2.6-MariaDB |
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| version_comment | Source distribution |
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| version_compile_machine | x86_64 |
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| version_compile_os | Linux |
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| version_malloc_library | system |
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| version_ssl_library | OpenSSL 1.0.2k-fips 26 Jan 2017 |
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| wsrep_patch_version | wsrep_25.16 |
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+-------------------------+----------------------------------+
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11 rows in set (0.00 sec)
|
 |
MariaDB [test]> show engines;
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+--------------------+---------+----------------------------------------------------------------------------------+--------------+------+------------+
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| Engine | Support | Comment | Transactions | XA | Savepoints |
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+--------------------+---------+----------------------------------------------------------------------------------+--------------+------+------------+
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| ROCKSDB | YES | RocksDB storage engine | YES | YES | YES |
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| MRG_MyISAM | YES | Collection of identical MyISAM tables | NO | NO | NO |
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| CSV | YES | CSV storage engine | NO | NO | NO |
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| SEQUENCE | YES | Generated tables filled with sequential values | YES | NO | YES |
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| MyISAM | YES | MyISAM storage engine | NO | NO | NO |
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| TokuDB | YES | Percona TokuDB Storage Engine with Fractal Tree(tm) Technology | YES | YES | YES |
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| MEMORY | YES | Hash based, stored in memory, useful for temporary tables | NO | NO | NO |
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| InnoDB | DEFAULT | Supports transactions, row-level locking, foreign keys and encryption for tables | YES | YES | YES |
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| Aria | YES | Crash-safe tables with MyISAM heritage | NO | NO | NO |
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| PERFORMANCE_SCHEMA | YES | Performance Schema | NO | NO | NO |
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+--------------------+---------+----------------------------------------------------------------------------------+--------------+------+------------+
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10 rows in set (0.00 sec)
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See innodb_version and tokudb_version above. I think rocksdb_version is clearly missing.
We do not have version reported in the error log also:
2017-04-06 13:54:24 139839357302848 [Note] /home/openxs/dbs/maria10.2/bin/mysqld: ready for connections.
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Version: '10.2.6-MariaDB' socket: '/tmp/mariadb.sock' port: 3306 Source distribution
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2017-04-06 13:55:43 139838786844416 [Note] RocksDB: Got ENOENT when listing column families
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2017-04-06 13:55:43 139838786844416 [Note] RocksDB: assuming that we're creating a new database
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2017-04-06 13:55:43 139838786844416 [Note] RocksDB: Column Families at start:
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2017-04-06 13:55:43 139838786844416 [Note] cf=default
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2017-04-06 13:55:43 139838786844416 [Note] write_buffer_size=67108864
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2017-04-06 13:55:43 139838786844416 [Note] target_file_size_base=67108864
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2017-04-06 13:55:43 139838786844416 [Note] RocksDB: creating a column family __system__
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2017-04-06 13:55:43 139838786844416 [Note] write_buffer_size=67108864
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2017-04-06 13:55:43 139838786844416 [Note] target_file_size_base=67108864
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2017-04-06 13:55:43 139838786844416 [Note] RocksDB: Table_store: loaded DDL data for 0 tables
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2017-04-06 13:55:44 139838786844416 [Note] RocksDB: global statistics using get_sched_indexer_t indexer
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2017-04-06 13:55:44 139838786844416 [Note] RocksDB instance opened
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"Upstream" Facebook's MySQL 5.6 has at least the following for rocksdb:
mysql> show status like '%rocksdb%';
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+------------------+------------------------------------------+
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| Variable_name | Value |
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+------------------+------------------------------------------+
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| rocksdb_git_date | 2017-03-16T18:24:17-07:00 |
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| rocksdb_git_hash | d52f334cbd4bceee23f13470f137220c8a75686b |
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+------------------+------------------------------------------+
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2 rows in set (0.00 sec)
|