Date: Fri, 28 Feb 2014 14:07:59 -0600 From: Adam Vande More <amvandemore@gmail.com> To: Mark Felder <feld@freebsd.org> Cc: freebsd-fs <freebsd-fs@freebsd.org> Subject: Re: ZFS and Wired memory, again Message-ID: <CA%2BtpaK3aD3zYoXqWNRqCkzPEH5c%2BafAY9Mu5tZQCFbn7kqg-VQ@mail.gmail.com> In-Reply-To: <1393617488.2929.89095301.157E5E1B@webmail.messagingengine.com> References: <CAFG2KC%2BZSHEVFbpPD9e1QHRdY=Sd6EuAD80vyDLDDQcpgCQNhA@mail.gmail.com> <530F6475.4090508@gmail.com> <CA%2BD9QhtVkYNoEGwhx-EJi9X1jr_UN2rgYxbZtA99qcT4UA-8kA@mail.gmail.com> <CAFG2KCLSSBwR5JbLdnVPy6E8UeGiWWCGsFcEjeU%2BeU5F2Xm%2BSw@mail.gmail.com> <f6dfa6229d7707dd5657fae427f79ba2@webmail.lerctr.org> <CAFG2KCLeaucA=3aJ%2B_NzsfzOfVNXtiCnrRWwCMhW==-JT7wkCA@mail.gmail.com> <CA%2BtpaK3aQ60CrrVksb69muUXGhTD5Vtn%2Bpu6G7g=4E9eCLC_OQ@mail.gmail.com> <1393616123.28153.89089441.54713282@webmail.messagingengine.com> <CA%2BtpaK246eKwjvPXgzcxt_e5%2B=udietjPQKSdDV%2BiLRG-T2RDQ@mail.gmail.com> <1393617488.2929.89095301.157E5E1B@webmail.messagingengine.com>
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On Fri, Feb 28, 2014 at 1:58 PM, Mark Felder <feld@freebsd.org> wrote: > On Fri, Feb 28, 2014, at 13:43, Adam Vande More wrote: > > > He's running 150 TB on 3 GB of mem. Periodic I think could consume > that > > alone. > > > > Which periodic script are you referring to? The daily security check? I > suppose I could see resource usage increase after checking for new > setuid bits... assuming he had a lot of files to crawl through. But I > don't actually know if that would do much to wired memory. > Yes that and perhaps stuff from weekly as well as the "ugly" you inferred earlier. Regardless, the amount of mem for the "test" system is too low for the dataset size. The swapping is the issue and if he wants to eliminate that he should increase the memory or limit what is available to the kernel. Limiting the kernel also has its side effects. -- Adam
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