Duration of query and fetching too long... New topic Register Log in 4 posts. Is there any way to reduce the query time? I am using the latest Version 6.3.9 (GPL) of the MySQL Workbench. If we run the above SQL one more time with the explain statement. For a short-span transaction, it should be executed as fast as possible, usually in a matter of subsecond. This isn't something we can help with because Chrome uses its native fetch implementation rather than this polyfill code. Table approximately has 300,00,000 rows. Denis Lapuente Created August 09, 2019 16:31. I have an InnoDB database running as a Local Instance. Sometimes when I open the page with Google Chrome it takes forever to load. Thank you – Abhishek Nov 22 '12 at 8:38, See more:MySQL. Overall a bulk load operation, eg adding data via CSV, surely is faster from mysql. MySQL has a built-in slow query log. and it only return 29K rows. MySQL has a built-in slow query log. If logging reveals that individual queries are taking too long, you’d need a breakdown of how much time was spent within the database processing the query, sending results over the network, being handled by the DBAPI, and finally being received by SQLAlchemy’s result set and/or ORM layer. I have an InnoDB database running as a Local Instance. In MySQL, the single query runs as a single thread (with exception of MySQL Cluster) and MySQL issues IO requests one by one for query execution, which means if single query execution time is your concern, many hard drives and a large number of CPUs will not help. by Oracle and does not necessarily represent the opinion of We’ve already mentioned this tip in our Magento Add to Cart slow guide. Posted by: Venkatesh Iyer Date: March 15, 2013 04:44PM I have an empty table which has about 7 columns. using MySQL 8.0.21-commercial. Juan Rene Ramirez Monarrez, [12 Mar 2013 14:09] First of all, we have to know the nature of the query, whether it is expected to be a long running or a short running query. Few of the custom applications fetch data from oracle database through sql queries.Among such sql queries there is a sql query which takes around 20 minutes to fetch data from oracle database through the custom application. © 2020, Oracle Corporation and/or its affiliates, [18 Sep 2012 14:50] If your MySQL server is already enabled to use IPv6 but connections are still taking a long time, it may be because the reverse DNS (PTR) record is not correctly configured. However it could be an indication of inefficient coding. MySQL provides optimizer control through system variables that affect how query plans are evaluated, switchable optimizations, optimizer and index hints, and the optimizer cost model. Let’s go through all the steps one by one. To use it, open the my.cnf file and set the slow_query_log variable to "On." MySQL has a built-in slow query log. My issue is that the "Fetch" time of the first query below is 1.2sec (HUGE!!) and it only return 29K rows. Whether that is take too long or create too large a packet. I'm running Windows Server 2008 with MySQL installed and every time I reboot the server the MySQL Service doesn't start right away. Check for transaction locks,  First time poster and I'm hoping someone can help me. Mysql is very popular DBMS(Database management system) and is free . A query is already optimized and indexed. mysql_unbuffered_query() sends the SQL query query to MySQL without automatically fetching and buffering the result rows as mysql_query() does. January 09, 2018, at 4:58 PM . SELECT Products.NSIPartNumber,Products.Cost, Products.ModelNo, Products.USPrice, Products.VendorPart, Products.Description , Products.ProductID, Sum(tblInvTransaction.Qty) AS SumOfQty FROM Products LEFT JOIN tblInvTransaction ON … Remove Useless Entries From Magento Database. This is an open discussion with 17 replies, filed under Troubleshooting. You use mysql with an interface -> (PhpMyAdmin). A fix has been committed to drastically improve performance. When the same sql query directly runs on Oracle database through TOAD it is taking 2 minutes. The polyfill is active in Safari and uses XMLHttpRequest like jQuery's $.ajax does. 10 essential MySQL performance tuning tips, Thoughts on the issue, thrown in random order: The obvious index for this query is: (rated_user_id, rating) . Popular DBMS ( database management system ) and the table has more than rows... ( GPL ) of the MySQL 5.1 server, but i store there information about books, dvds, and. 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