Date: Wed, 5 Dec 2007 14:32:31 +0100 From: Gergely CZUCZY <phoemix@harmless.hu> To: Benjamin Sobotta <mayday@gmx.net> Cc: freebsd-questions@freebsd.org Subject: Re: more then 2G shm on RELENG_7 Message-ID: <20071205133231.GA45423@harmless.hu> In-Reply-To: <20071205132705.143060@gmx.net> References: <20071205114619.GA32423@harmless.hu> <20071205132705.143060@gmx.net>
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--J2SCkAp4GZ/dPZZf Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Dec 05, 2007 at 02:27:05PM +0100, Benjamin Sobotta wrote: > > Hello, > >=20 > > I'm to test PostgreSQL on a 7-BETA3. The box has 12GB of memory in it, > > I've adjusted the sysctls, but postgresql always fails to allocate the > > SHM if it's bigger then 2GB. > >=20 > > How can I make it to allocate more SHM than 2G at once? > >=20 > > sysctl.conf: > > kern.ipc.shmall=3D1572864 > > kern.ipc.shmmax=3D6442450944 > > kern.ipc.semmap=3D1024 > > kern.ipc.shm_use_phys=3D1 > >=20 > > /boot/loader.conf: > > zfs_load=3D"YES" > > vm.kmem_size=3D"1073741824" > > vm.kmem_size_max=3D"1073741824" > > kern.ipc.semmni=3D1024 > > kern.ipc.semmns=3D2048 > > kern.ipc.semmnu=3D1024 > >=20 > > I've also hit a similar issue with qemu, but that wasn't shared memory, > > I had just tried to make it allocate more than 2GBs for a single vm, but > > that also failed. Still haven't figured out why was that. > >=20 > > Sincerely, > >=20 > > Gergely Czuczy > > mailto: gergely.czuczy@harmless.hu > >=20 > > --=20 > > Weenies test. Geniuses solve problems that arise. >=20 > Hi! >=20 > I'm not sure if this is helpful, as I dont run FBSD 7 as of yet. Further = I'm not very familiar with the topic. But I had a similiar problem with MyS= QL on 6.2. What helped for me was play with=20 >=20 > kern.maxdsiz > kern.dfldsiz > kern.maxssiz >=20 > in loader.conf.=20 Thanks. These sysctls seems no to be available on an amd64, but I've seen similar ones under the ia32 layer: compat.ia32.maxdsiz: compat.ia32.maxssiz: So, this wasn't the one... Sincerely, Gergely Czuczy mailto: gergely.czuczy@harmless.hu --=20 Weenies test. Geniuses solve problems that arise. --J2SCkAp4GZ/dPZZf Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.4 (FreeBSD) owGVVb9v5FQQDndCSCtRRKKG4YSUImvH6/Vmc4v2jttLLolE4NBGRIBQ9NYer9/F fs/xe96N09GgKygQNEgghQ6aExSU0CDRIf4A/gKkayjoYd7zbm73csUhubDn5zcz 34w/f/n6yrXVP3786aP1z774+oVHL70yWs9KrcXYyVgx4cJpeV7LCTqB33baTmsU t7aidjfwwqAT4c3d978Xd6XQKLRzWOXYA41neiNPGRdvQpiwQqHulzp2thpzu22u cqm45lL0gIuUC7zUHRZMqBgLZ0eEMuJi3IPTUmqMnLzgQrNRio3GuwKOMGrCNobg dZrge14XmAbP7/ndnte5fwDrHsFuwgDFA5ZxAUM5klozmBYUrNe4BbdgD9NUNs1r 3/esZH8tAy2pAqXhvlR6XODwvbdBCmDQdQY7h3faLhwmCCN5BglT0PJ3ByBjyDCT RUW1ANfNWagJAoselIqwgyYfValQp6oJo1JDXkdXpymwdMoqBTHjqTLZGaEKmUbj ZEMN9w6AxxR5TcGIj8dYGJUAyu0uot+TUwiZgH3I2AmS/VI0Aog2lE6Y8TX9kiLE 24shaoxuKEVc9+gEC+HyPHRVklGofnu71en6W5vBFW3Gzki7GQR+0PFuBk8bIBnk xt3zr/oelwqP86RSxmARz8ZISr2RShZhsYDqPFbHRkjmNz7YGd6wwknmntAcjhU/ R6NoeV2iaWvLD67qj2u0V2yW8Ar+bLxGZZD6XrD1DFW54PWEWIYNqZKQ0FgYKJ7x lBXAlSoRplwncIpZWXODBqRhypRY06BogYg/Nb9mzCLmRWCIBbrghlzycuDL055N ekDkkoXNKsYpUiNsHhvM5rLADP8wcmGoeZpSigma/DEflwaAJFzTpDKwrM8S8Yac eFRgWi0t0y4WY5LB3fMyPK+sKKMcWvZgXKvc0KreohqzFJVyk3IxgOPM344QBUdl F9OlwIITYRQomVJb80LSUcjUrJaCKyR0tesef33+anZbSOoo1WPWSSdcUf8hwTSP y7QJVNk+RHSGoCgF3BsMt6FrhLTeFVLae2VBa1dAvzEPNUHa+ZjOS8pplnaKZtG1 zHnowoBaVs9qNm9jNANbGx9Uw36jvi+bru/CkSnA4KGGm4llaPtNt7SyDraQuhpL OSJxRGyef0ZxuvhJWmU/aw+6TQt75BrhIfHjRNmLpi7vEyg0zRTS8GpErJ3Q0MzZ tWeQnizaDGoCWVaTubjksxQ0llJE9YkCzto+EHoseo1QZjnxxojmwK8IlRU2hrJZ j2e2BCYURXZdl3RPuNZ4imHPwa5Gzan/z6eHt6+/uGL+dfMf5eo175OVby8+/eq1 L//dEavfiDd+/aXz553H73RXLj7+OXj04d/fPfz9n/7jV3/bu/jh4K+d/wA= =qD+t -----END PGP SIGNATURE----- --J2SCkAp4GZ/dPZZf--
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