Bug #29044 memory buddy allocator "unoptimal" memory handling
Submitted: 12 Jun 2007 7:02 Modified: 15 Jun 2007 14:31
Reporter: Tomas Ulin Email Updates:
Status: Closed Impact on me:
None 
Category:MySQL Cluster: Cluster (NDB) storage engine Severity:S3 (Non-critical)
Version: OS:Any
Assigned to: Jonas Oreland CPU Architecture:Any

[12 Jun 2007 7:02] Tomas Ulin 
Description:
results in long seek times for merging free memory...

in some cases even the watchdog seems to kick in...

How to repeat:
.
[12 Jun 2007 7:14] Bugs System 
A patch for this bug has been committed. After review, it may
be pushed to the relevant source trees for release in the next
version. You can access the patch from:

  http://lists.mysql.com/commits/28552

ChangeSet@1.2492, 2007-06-12 09:13:42+02:00, jonas@perch.ndb.mysql.com +2 -0
  ndb - bug#29044
    Improve buddy high order allocation
    Make removeCommonArea O(1) instead of O(N)
    Add limit to left/right search
[12 Jun 2007 8:35] Bugs System 
A patch for this bug has been committed. After review, it may
be pushed to the relevant source trees for release in the next
version. You can access the patch from:

  http://lists.mysql.com/commits/28564

ChangeSet@1.2494, 2007-06-12 10:35:21+02:00, tomas@whalegate.ndb.mysql.com +5 -0
  Bug#29044 - memory buddy allocator "unoptimal" memory handling
  - add config param to have better behavior with large tables
[15 Jun 2007 14:31] Jon Stephens 
Thank you for your bug report. This issue has been committed to our source repository of that product and will be incorporated into the next release.

If necessary, you can access the source repository and build the latest available version, including the bug fix. More information about accessing the source trees is available at

    http://dev.mysql.com/doc/en/installing-source.html

Documented in 5.1.20 and 5.1.15-ndb-6.1.12 changelogs.
[18 Jun 2007 7:48] Bugs System 
Pushed into 5.1.20-beta
[3 Jul 2007 4:57] Jon Stephens 
Also documented for telco-6.2.3 release.