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Sending data slow in NDB cluster compared to Innodb
Posted by: Krishnachytanya Ayyagari
Date: March 14, 2016 11:29AM

Hi All,
We are running two parallel environments. One with InnoDB & NBD cluster. Both these environments are running on Azure. Here are the details of NDB cluster.

MySQL NDB Version: 7.4.10
Distributed data nodes Cluster between two data center with 200 Mbps backup and latency/ttl is 40msec
Ubuntu 14.04
Storage ENgine: NDB
SSD Drive
Table Entries: 1 Lakh Rows

Issue is response time for simple Select Query by selecting all column (instead of select *) is taking 5 Secs for of 1 Lakh rows table. For InnoDB it is taking 1.6 secs. Is this expected?

Will NDB cluster takes more time for a select query than InnoDB? When we profile the query, sending data phase takes 5 secs in our case for NDB cluster compared to 1.6 secs on InnoDB.

Please help.

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Sending data slow in NDB cluster compared to Innodb
March 14, 2016 11:29AM

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