Re: 'myisam_use_mmap' unstable like hell
Am 15.12.2011 08:47, schrieb Rob Wultsch: To be brutally honest, if you want stability you should not be using MyISAM this is bullshit without 'myisam_use_mmap' i never saw mysqld crashing in the past 10 years, independent of the storage engine much less a not particularly commonly used feature. mmap is not rocket science, so i do not understnd why this is not properly debugged and EFAULT on signature.asc Description: OpenPGP digital signature
Re: 'myisam_use_mmap' unstable like hell
When I had memory issues, with something relatively stable, mostly is due faulty ram... Can you use or less ram or change fisically the ram? On Thu, Dec 15, 2011 at 2:23 AM, Reindl Harald h.rei...@thelounge.netwrote: Am 15.12.2011 08:47, schrieb Rob Wultsch: To be brutally honest, if you want stability you should not be using MyISAM this is bullshit without 'myisam_use_mmap' i never saw mysqld crashing in the past 10 years, independent of the storage engine much less a not particularly commonly used feature. mmap is not rocket science, so i do not understnd why this is not properly debugged and EFAULT on
Re: 'myisam_use_mmap' unstable like hell
this is NOT a memory issue 'myisam_use_mmap' in mysqld is buggy since a long time http://bugs.mysql.com/bug.php?id=48726 we are speaking of a HP ProLiant DL 380G7 in a VMware-Cluster with 36 GB ECC-RAM while there are machines using InnoDB with 'large-pages' and some GB buffer_pool_size on the same host and not about some customer hardware Am 15.12.2011 18:22, schrieb Andrés Tello: When I had memory issues, with something relatively stable, mostly is due faulty ram... Can you use or less ram or change fisically the ram? On Thu, Dec 15, 2011 at 2:23 AM, Reindl Harald h.rei...@thelounge.netwrote: Am 15.12.2011 08:47, schrieb Rob Wultsch: To be brutally honest, if you want stability you should not be using MyISAM this is bullshit without 'myisam_use_mmap' i never saw mysqld crashing in the past 10 years, independent of the storage engine much less a not particularly commonly used feature. mmap is not rocket science, so i do not understnd why this is not properly debugged and DEFAULT on signature.asc Description: OpenPGP digital signature
Re: 'myisam_use_mmap' unstable like hell
On Dec 15, 2011, at 12:02 PM, Reindl Harald wrote: this is NOT a memory issue 'myisam_use_mmap' in mysqld is buggy since a long time http://bugs.mysql.com/bug.php?id=48726 This is fixed in 5.1.61, 5.5.20, 5.6.5: http://dev.mysql.com/doc/refman/5.6/en/news-5-6-5.html we are speaking of a HP ProLiant DL 380G7 in a VMware-Cluster with 36 GB ECC-RAM while there are machines using InnoDB with 'large-pages' and some GB buffer_pool_size on the same host and not about some customer hardware Am 15.12.2011 18:22, schrieb Andrés Tello: When I had memory issues, with something relatively stable, mostly is due faulty ram... Can you use or less ram or change fisically the ram? On Thu, Dec 15, 2011 at 2:23 AM, Reindl Harald h.rei...@thelounge.netwrote: Am 15.12.2011 08:47, schrieb Rob Wultsch: To be brutally honest, if you want stability you should not be using MyISAM this is bullshit without 'myisam_use_mmap' i never saw mysqld crashing in the past 10 years, independent of the storage engine much less a not particularly commonly used feature. mmap is not rocket science, so i do not understnd why this is not properly debugged and DEFAULT on -- Paul DuBois Oracle Corporation / MySQL Documentation Team Madison, Wisconsin, USA www.mysql.com -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/mysql
Re: 'myisam_use_mmap' unstable like hell
Am 15.12.2011 19:48, schrieb Paul DuBois: On Dec 15, 2011, at 12:02 PM, Reindl Harald wrote: this is NOT a memory issue 'myisam_use_mmap' in mysqld is buggy since a long time http://bugs.mysql.com/bug.php?id=48726 This is fixed in 5.1.61, 5.5.20, 5.6.5: http://dev.mysql.com/doc/refman/5.6/en/news-5-6-5.html hopefully you understand that i do not trust here since it was buggy like hell more than two years and from one major-release to the next signature.asc Description: OpenPGP digital signature
