MySQL Cluster Persistent to Disk

I am late following up on a question we got during the Webinar last Wednesday on High Availability for Web applications. The question was about whether MySQL Cluster is using disks for persistency.

In previous releases of MySQL, the NDB cluster engine (a.k.a. MySQL Cluster) would log on disk but would store all the data in memory. Eventually asynchronous checkpoints would flush data to disks. Reliability was also ensured through intra-cluster replication on different nodes.

With the current release (7.0), in addition to memory,  MySQL Cluster can use disk storage as well for data. However, indexes still need to fit entirely into memory. Checkpoints and intra-cluster replication are still here. For more detail check the MySQL Cluster features.


Comments:

Post a Comment:
Comments are closed for this entry.
About

Connecting the Startup Essentials community with all the events, information and resources required for them to grow and scale.

Search

Archives
« April 2014
SunMonTueWedThuFriSat
  
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
   
       
Today