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https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-event-reports.html
In this section, we discuss the types of event logs provided by NDB Cluster, and the types of events that are logged. NDB Cluster provides two types of event log: The cluster log, which includes events generated by all cluster nodes. The cluster ...
https://dev.mysql.com/doc/refman/5.7/en/mysqlpump.html
--max-allowed-packet=N Command-Line Format --max-allowed-packet=N Type Numeric Default Value 25165824 The maximum size of the buffer for client/server communication. mysqlpump Invocation Syntax mysqlpump Option Summary mysqlpump Option Descriptions ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-programs-ndb-import.html
--ai-increment=# Command-Line Format --ai-increment=# Introduced 5.7.18-ndb-7.6.2 Type Integer Default Value 1 Minimum Value 1 Maximum Value 4294967295 For a table with a hidden primary key, specify the autoincrement increment, like the ...
https://dev.mysql.com/doc/refman/5.7/en/mysqldump.html
--compatible=name Command-Line Format --compatible=name[,name,...] Type String Default Value '' Valid Values ansimysql323mysql40postgresqloraclemssqldb2maxdbno_key_optionsno_table_optionsno_key_options Produce output that is more compatible with ...
https://dev.mysql.com/doc/refman/5.7/en/replication-options-reference.html
max_relay_log_size: If nonzero, relay log is rotated automatically when its size exceeds this value. If zero, size at which rotation occurs is determined by value of max_binlog_size. slave_checkpoint_group: Maximum number of transactions processed ... The following two sections provide basic information about the MySQL command-line options and system variables applicable to replication and the binary ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-options-variables.html
Each connection requires its own [api] or [mysqld] section in the cluster configuration (config.ini) file, and counts against the maximum number of API connections supported by the cluster. --ndb-blob-read-batch-bytes=bytes Command-Line Format ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-upgrade.html
--max-allowed-packet=value Command-Line Format --max-allowed-packet=value Type Integer Default Value 25165824 Minimum Value 4096 Maximum Value 2147483648 The maximum size of the buffer for client/server communication. --net-buffer-length=value ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-indexes.html
To find the MIN() or MAX() value for a specific indexed column key_col. In this case, MySQL does a single key lookup for each MIN() or MAX() expression and replaces it with a constant. For example: SELECT MIN(key_part2),MAX(key_part2) FROM tbl_name ... Indexes are used to find rows with specific column values ...
https://dev.mysql.com/doc/refman/5.7/en/where-optimization.html
Some examples of queries that are very fast: SELECT COUNT(*) FROM tbl_name; SELECT MIN(key_part1),MAX(key_part1) FROM tbl_name; SELECT MAX(key_part2) FROM tbl_name WHERE key_part1=constant; SELECT ... This section discusses optimizations that can ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-logs-event-buffer.html
Event buffer logging reports in the cluster log use the format shown here: Node node_id: Event buffer status (object_id): used=bytes_used (percent_used% of alloc) alloc=bytes_allocated (percent_alloc% of max) max=bytes_available ... NDB uses one or ...