Mysql Optimize Error Table Is Read Only
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Connectors More MySQL.com Downloads Developer Zone Section Menu: Documentation Home MySQL 5.6 Reference Manual Preface and Legal Notices General Information Installing and Upgrading MySQL Tutorial mysql read only mode MySQL Programs MySQL Server Administration Security Backup and Recovery Optimization Optimization Overview how to change read only table in mysql workbench Optimizing SQL Statements Optimizing SELECT Statements Speed of SELECT Statements How MySQL Optimizes WHERE Clauses Range Optimization mysql check if read only Index Merge Optimization Engine Condition Pushdown Optimization Index Condition Pushdown Optimization Use of Index Extensions IS NULL Optimization LEFT JOIN and RIGHT JOIN Optimization Nested-Loop Join Algorithms Nested mysql disable read only Join Optimization Outer Join Simplification Multi-Range Read Optimization Block Nested-Loop and Batched Key Access Joins ORDER BY Optimization GROUP BY Optimization DISTINCT Optimization Subquery Optimization LIMIT Query Optimization Row Constructor Expression Optimization How to Avoid Full Table Scans Optimizing Data Change Statements Speed of INSERT Statements Speed of UPDATE Statements Speed of DELETE Statements Optimizing Database
Mysql Read_only
Privileges Optimizing INFORMATION_SCHEMA Queries Other Optimization Tips Optimization and Indexes How MySQL Uses Indexes Using Primary Keys Using Foreign Keys Column Indexes Multiple-Column Indexes Verifying Index Usage InnoDB and MyISAM Index Statistics Collection Comparison of B-Tree and Hash Indexes Optimizing Database Structure Optimizing Data Size Optimizing MySQL Data Types Optimizing for Numeric Data Optimizing for Character and String Types Optimizing for BLOB Types Using PROCEDURE ANALYSE Optimizing for Many Tables How MySQL Opens and Closes Tables Disadvantages of Creating Many Tables in the Same Database Internal Temporary Table Use in MySQL Optimizing for InnoDB Tables Optimizing Storage Layout for InnoDB Tables Optimizing InnoDB Transaction Management Optimizing InnoDB Read-Only Transactions Optimizing InnoDB Redo Logging Bulk Data Loading for InnoDB Tables Optimizing InnoDB Queries Optimizing InnoDB DDL Operations Optimizing InnoDB Disk I/O Optimizing InnoDB Configuration Variables Optimizing InnoDB for Systems with Many Tables Optimizing for MyISAM Tables Optimizing MyISAM Queries Bulk Data Loading for MyISAM Tables Speed of REPAIR TABLE Statements Optimizing for MEMORY Tables Understanding the Query Execution Pla
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Innodb Is In Read Only Mode
workings and policies of this site About Us Learn more about Stack error 1036 (hy000): table is read only Overflow the company Business Learn more about hiring developers or posting ads with us Database Administrators Questions Tags mysql disable read only option Users Badges Unanswered Ask Question _ Database Administrators Stack Exchange is a question and answer site for database professionals who wish to improve their database skills and learn from others https://dev.mysql.com/doc/refman/5.6/en/innodb-performance-ro-txn.html in the community. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top Optimizing MySQL for Read-Only? up vote 4 down vote favorite 1 We have 14 GB worth of CSV's which total 138 million rows. I imported http://dba.stackexchange.com/questions/22509/optimizing-mysql-for-read-only this into a MySQL table first with InnoDB, and then tried again with MyISAM. In both cases, a simple SELECT on primary key (which is just an autoincremented int) took 6-7 seconds, though MyISAM sometimes was a little faster at 5-6 seconds. We only need to write the data once, and I've been using mysqlimport. With that in mind, how can I improve the query speed? ...it's worth nothing that we have 2 gigs of RAM and everything is one table (and it has to stay that way due to the nature of the queries). Is that the best performance I can expect given the hardware? Or is there something else I should try, like compression? Or really, I need a lot more RAM? mysql innodb optimization myisam hardware share|improve this question asked Aug 15 '12 at 8:18 tiredofcoding 6215 1 What was the query that took 6 seconds? SELECT * FROM table WHERE pk=? Can you provide the table's structure? (SHOW CREATE TABLE output) –ypercubeᵀᴹ Aug 15 '12 at 8:47 Dump it, it
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn http://stackoverflow.com/questions/17629407/mysql-error-1036-table-is-read-only more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 6.2 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up MySQL error 1036: table is read only up vote 4 down vote favorite When im trying to insert a record to the table using phpmyadmin it read only gives me #1036 - Table 'sch_portfolio' is read only I saw in some articles they said that this could happen if the owner of this table is somthing other than mysql. so i set the owner as mysql and restart the server. Still im getting the same error. any help would be really appreciated. Thanks in advance drwxrwxrwx 2 mysql mysql 4096 Jul 13 15:27 schooltap mysql phpmyadmin share|improve this question asked Jul 13 '13 at table is read 10:42 Dilantha 97611524 One assumes that the mysqld process is running under the mysql user. Does that user have access to enter every directory along the filepath? Has the MySQL user as which you are connecting to mysqld been granted permission to write to the table? –eggyal Jul 13 '13 at 10:46 Does this happen to only one table/database or to all? Maybe the MySQL server is in read-only mode, which is frequently the case for replication slaves - check dev.mysql.com/doc/refman/5.5/en/…. –Shi Jul 13 '13 at 11:57 add a comment| 3 Answers 3 active oldest votes up vote 9 down vote accepted One needs super user privs to do this, most commonly sudo is used to acheve this. in order too Change the owner of the files. sudo chown -R mysql:mysql /var/lib/mysql Reboot Mysql for the changes sudo service mysql restart who owns sch_portfolio and what group are they in, should be mysql:mysql. you'll also need to restart mysql for changes to take affect also check that the currently logged in user had GRANT access to update The MySQL server is running as user mysql and not as the user I logged into it with. In order for it to access files that have user only rights they must be owned by user ‘mysql’ since that is what the server is r