June 19, 2013

Post: Implementing SchemaSpy in your MySQL environment

line driven and builds the html after each run, so I find it convenient to setfor a high level overview of the table sizes and an easy way to use the search feature of your browser to zero in

Post: Benchmarking Percona Server TokuDB vs InnoDB

for fast inserts, but it is suitable for range selects by `id`. However it will interesting howline to run: sysbench –test=insert_roll.lua –oltp-table-size=10000 –mysql-user=root –oltp-tables-count=32 –mysql_table

Post: How is join_buffer_size allocated?

MySQL configuration, we quite often want to know how various buffer sizes are used. This matters because some buffers (sort_buffer_size for example) are allocated toin special cases. A join buffer is allocated to cache rows from each table in

Post: Percona Server on the Raspberry Pi: Your own MySQL Database Server for Under $80

to your TV set using the Composite RCA (PAL & NTSC) connector. Once you have your hardware, here is how to get Percona Server for MySQLin your DHCP range), you can always check your router’s DHCP table

Post: Time for Zero Administration effort at MySQL ?

tables rather than command line options (like much of Performance Schema configuration). Innodb settings alone push 100. True you do not need to setin MySQL which makes it hard tofor example MySQL would use the same sort_buffer_size

Post: Troubleshooting MySQL Memory Usage

how it uses MySQL to identify potential causes. Is it working with large blobs ? Using user variables ? Prepared Statements ? memory tables ? In

Post: Multi Range Read (MRR) in MySQL 5.6 and MariaDB 5.5

size, while MariaDB introduces a different variable to control the MRR buffer size mrr_buffer_size. Both buffer sizes default to 256K in MySQLMySQL 5.6 are reporting high numbers for Innodb_rows_read, which is completely in line with how

Post: Air traffic queries in InfiniDB: early alpha

line 1: CAL0001: Insert Failed: St9bad_alloc Alright, colxml / cpimport was more successful, however it has less flexibility insize of data after load, until someone points me how to get real sizein Google Spreadsheet or in summary table at the bottom) Query Q1: mysql

Post: How Percona does a MySQL Performance Audit

for Created_tmp_tables and Created_disk_tmp_tables, I’ll paste in mysql> show global variables like ‘%table_size%’; +———————+———–+ | Variable_name | Value | +———————+———–+ | max_heap_table_size | 268435456 | | tmp_table_size

Post: MySQL 5.5.8 - in search of stability

settings for the initial run. Later I will change them in searching for optimal values. innodb_file_per_tableline in MySQL 5.5.8. But, finally, let me show the result I got running Percona Server in optimized mode: innodb_buffer_pool_size