Date: Tue, 18 Nov 2014 10:32:38 +0800 From: k simon <moremore2@outlook.com> To: freebsd-scsi@freebsd.org Subject: Fwd: Re: HDD slow down in heavy load Message-ID: <BLU436-SMTP47697B5AAA1214C587EA3CEE880@phx.gbl> In-Reply-To: <546AAF7F.7000409@outlook.com> References: <546AAF7F.7000409@outlook.com>
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Yes, you are right. Zabbix 1.8 postgres database design is ugly, when zabbix database do "housekeeping" means scan the fulltable again and again, the SQL query lost response and the tags dev_acive is full. Compred with FB\LINUX, I can't say DFBSD response immediately, but it can accomplish it in one minutes. And DFBSD have a feature named swapcache can speed up HDD, but I havn't test it. And I have changed the disk with a SSD yet, but I think FB can do somethings better. Simon
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