From: Reindl Harald Date: December 15 2011 6:02pm Subject: Re: 'myisam_use_mmap' unstable like hell List-Archive: http://lists.mysql.com/mysql/226483 Message-Id: <4EEA364C.7020204@thelounge.net> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig0A98ED63C77EC566E70D0493" --------------enig0A98ED63C77EC566E70D0493 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable this is NOT a memory issue 'myisam_use_mmap' in mysqld is buggy since a long time http://bugs.mysql.com/bug.php?id=3D48726 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 Andr=E9s Tello: > When I had memory issues, with something relatively stable, mostly is d= ue > faulty ram... >=20 > Can you use or less ram or change fisically the ram? >=20 > On Thu, Dec 15, 2011 at 2:23 AM, Reindl Harald = wrote: >=20 >> 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 --------------enig0A98ED63C77EC566E70D0493 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAk7qNlAACgkQhmBjz394AnnRgwCfb1oir8R5yBDnAVJaGb27QMae rZcAn1NB4VY3DAiT7pJnzhsTbnHucnDi =BWn0 -----END PGP SIGNATURE----- --------------enig0A98ED63C77EC566E70D0493--