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<?xml-stylesheet type="text/xsl" href="http://sqlserver.ro/utility/FeedStylesheets/rss.xsl" media="screen"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/" xmlns:wfw="http://wellformedweb.org/CommentAPI/"><channel><title>Intrebari</title><link>http://sqlserver.ro/forums/14/ShowForum.aspx</link><description /><dc:language>en</dc:language><generator>CommunityServer 2.1 SP2 (Build: 61129.1)</generator><item><title>Re: Performante slabe SQL pe platforma 64</title><link>http://sqlserver.ro/forums/thread/1190.aspx</link><pubDate>Mon, 04 Dec 2006 10:30:04 GMT</pubDate><guid isPermaLink="false">963f3a18-65dd-4aad-905c-b785cfe1d7c7:1190</guid><dc:creator>xmldeveloper</dc:creator><slash:comments>0</slash:comments><comments>http://sqlserver.ro/forums/thread/1190.aspx</comments><wfw:commentRss>http://sqlserver.ro/forums/commentrss.aspx?SectionID=14&amp;PostID=1190</wfw:commentRss><description>&lt;p&gt;Referitor la configuratia RAID citez din &lt;a href="http://www.microsoft.com/technet/prodtechnol/sql/bestpractice/storage-top-10.mspx" target="_blank"&gt;Storage Top 10 Best Practices&lt;/a&gt;:&lt;/p&gt;&lt;p&gt;&lt;BLOCKQUOTE&gt;&lt;div&gt;&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Always place log files on RAID 1+0 (or RAID 1) disks. This provides:&lt;/strong&gt;&lt;/p&gt;&lt;p&gt;&lt;table cellpadding="0" cellspacing="0"&gt;&lt;tr&gt;&lt;td class="listBullet"&gt;&amp;bull;&lt;/td&gt;&lt;td class="listItem"&gt;&lt;p&gt;better protection from hardware failure, and &lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td class="listBullet"&gt;&amp;bull;&lt;/td&gt;&lt;td class="listItem"&gt;&lt;p&gt;better write performance. &lt;br /&gt;&lt;br /&gt;Note: In general RAID 1+0 will provide better throughput for write-intensive applications. The amount of performance gained will vary based on the HW vendor&amp;rsquo;s RAID implementations. Most common alternative to RAID 1+0 is RAID 5. Generally, RAID 1+0 provides better write performance than any other RAID level providing data protection, including RAID 5.&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/p&gt;&lt;p&gt;&lt;/div&gt;&lt;/BLOCKQUOTE&gt;&lt;/p&gt;</description></item><item><title>Re: Performante slabe SQL pe platforma 64</title><link>http://sqlserver.ro/forums/thread/1168.aspx</link><pubDate>Sat, 02 Dec 2006 15:35:51 GMT</pubDate><guid isPermaLink="false">963f3a18-65dd-4aad-905c-b785cfe1d7c7:1168</guid><dc:creator>xmldeveloper</dc:creator><slash:comments>0</slash:comments><comments>http://sqlserver.ro/forums/thread/1168.aspx</comments><wfw:commentRss>http://sqlserver.ro/forums/commentrss.aspx?SectionID=14&amp;PostID=1168</wfw:commentRss><description>Un nou whitepaper va poate ajuta sa diagnosticati de unde provin problemele de performanta: &lt;span class="label"&gt;&lt;a href="http://www.microsoft.com/technet/prodtechnol/sql/bestpractice/performance_tuning_waits_queues.mspx"&gt;SQL Server 2005 Performance Tuning using Waits and Queues&lt;/a&gt;&amp;nbsp;(&lt;a href="http://www.microsoft.com/technet/prodtechnol/sql/bestpractice/default.mspx" target="_blank"&gt;SQL Server - Best Practices&lt;/a&gt;)&lt;/span&gt;</description></item><item><title>Re: Performante slabe SQL pe platforma 64</title><link>http://sqlserver.ro/forums/thread/1167.aspx</link><pubDate>Sat, 02 Dec 2006 15:19:57 GMT</pubDate><guid isPermaLink="false">963f3a18-65dd-4aad-905c-b785cfe1d7c7:1167</guid><dc:creator>xmldeveloper</dc:creator><slash:comments>0</slash:comments><comments>http://sqlserver.ro/forums/thread/1167.aspx</comments><wfw:commentRss>http://sqlserver.ro/forums/commentrss.aspx?SectionID=14&amp;PostID=1167</wfw:commentRss><description>&lt;p&gt;Un articol pe aceeasi tema: &lt;a href="http://blogs.msdn.com/psssql/archive/2006/11/28/sql-server-becomes-sluggish-or-appears-to-stall-on-64-bit-installations.aspx" target="_blank"&gt;SQL Server becomes sluggish or appears to stall on 64 bit installations&lt;/a&gt; &lt;/p&gt;</description></item><item><title>Re: Performante slabe SQL pe platforma 64</title><link>http://sqlserver.ro/forums/thread/901.aspx</link><pubDate>Thu, 16 Nov 2006 22:52:19 GMT</pubDate><guid isPermaLink="false">963f3a18-65dd-4aad-905c-b785cfe1d7c7:901</guid><dc:creator>rremus</dc:creator><slash:comments>0</slash:comments><comments>http://sqlserver.ro/forums/thread/901.aspx</comments><wfw:commentRss>http://sqlserver.ro/forums/commentrss.aspx?SectionID=14&amp;PostID=901</wfw:commentRss><description>&lt;p&gt;Presupun ca ai facut toate pregatirile necesare pentru &amp;nbsp;a rula un test de performanta (pregrow databse/log, MDF si LDF pe spindle-uri separate, workload identic). Si evident, rulezi pe acelasi hardware ambele teste.&lt;/p&gt;&lt;p&gt;Ce versiune de SQL Server? &lt;br /&gt;Ce versiune de OS? &lt;br /&gt;Cita memorie fizica? Ce dimensiuni pagefile?&lt;br /&gt;Cum compari 32/64? WoW64 sau OS 32 nativ? Daca ai OS 32, boot-eaza cu /3GB sau nu? AWE on/off?&lt;/p&gt;&lt;p&gt;Potzi face post la cite un perflog pentru fiecare test (32, 64) pentru SQLServe:Buffer Manager, SQLServer:Memory Manager, SQLServer:Wait Statistics, SQLServer:Databases, SQLServer:Latches, SQLServer:Locks. La toate selecteaza All Counters/All instances.&lt;/p&gt;&lt;p&gt;Numai de bine,&lt;br /&gt;~Remus&lt;br /&gt;&lt;br /&gt;&lt;/p&gt;&lt;p&gt;&lt;br /&gt;&lt;br /&gt;&amp;nbsp;&lt;/p&gt;&lt;p&gt;&lt;br /&gt;&lt;br /&gt;&amp;nbsp;&lt;/p&gt;</description></item><item><title>Re: Performante slabe SQL pe platforma 64</title><link>http://sqlserver.ro/forums/thread/813.aspx</link><pubDate>Thu, 09 Nov 2006 08:54:48 GMT</pubDate><guid isPermaLink="false">963f3a18-65dd-4aad-905c-b785cfe1d7c7:813</guid><dc:creator>crestinul</dc:creator><slash:comments>0</slash:comments><comments>http://sqlserver.ro/forums/thread/813.aspx</comments><wfw:commentRss>http://sqlserver.ro/forums/commentrss.aspx?SectionID=14&amp;PostID=813</wfw:commentRss><description>&lt;p&gt;Raid10 pt date si raid 1 pt log ar tb sa fie ok din cea am citit eu.&lt;/p&gt;&lt;p&gt;Daca in conditiile astea interogarea nu-ti mere cum trebuie ar trebuie sa dai un shoiwplan la ea si sa analizezi rezultatele&lt;/p&gt;</description></item><item><title>Re: Performante slabe SQL pe platforma 64</title><link>http://sqlserver.ro/forums/thread/812.aspx</link><pubDate>Thu, 09 Nov 2006 08:50:01 GMT</pubDate><guid isPermaLink="false">963f3a18-65dd-4aad-905c-b785cfe1d7c7:812</guid><dc:creator>Jourjaque</dc:creator><slash:comments>0</slash:comments><comments>http://sqlserver.ro/forums/thread/812.aspx</comments><wfw:commentRss>http://sqlserver.ro/forums/commentrss.aspx?SectionID=14&amp;PostID=812</wfw:commentRss><description>&lt;BLOCKQUOTE&gt;&lt;div&gt;&lt;img src="http://sqlserver.ro/Themes/default/images/icon-quote.gif"&gt; &lt;strong&gt;pmoldovan:&lt;/strong&gt;&lt;/div&gt;&lt;div&gt;&lt;p&gt;RAID 5 e o mizerie, e solutia saracului, si merge cel mai prost dintre toate RAID-urile posibile, mai putin la citiri concurente comparat cu RAID 1. Daca omul are bani de RAID10, lasati-l sa foloseasca RAID10 pentru ca asta e cel mai bun (dar mult mai scump).&lt;/p&gt;&lt;p&gt;&lt;/div&gt;&lt;/BLOCKQUOTE&gt;&lt;/p&gt;&lt;p&gt;&amp;nbsp;&lt;/p&gt;&lt;p&gt;Eu am citit ca recomandarea MS este de Raid 5 ptr date si Raid 1 ptr log , desigur dupa RAID 10 !! Oricum Cristi si George au dreptate, nu de aici vine problema !&lt;br /&gt;&lt;/p&gt;</description></item><item><title>Re: Performante slabe SQL pe platforma 64</title><link>http://sqlserver.ro/forums/thread/806.aspx</link><pubDate>Wed, 08 Nov 2006 13:10:01 GMT</pubDate><guid isPermaLink="false">963f3a18-65dd-4aad-905c-b785cfe1d7c7:806</guid><dc:creator>xmldeveloper</dc:creator><slash:comments>0</slash:comments><comments>http://sqlserver.ro/forums/thread/806.aspx</comments><wfw:commentRss>http://sqlserver.ro/forums/commentrss.aspx?SectionID=14&amp;PostID=806</wfw:commentRss><description>&lt;p&gt;Personal cum am mai spus, as porni de aici &lt;a href="http://blogs.msdn.com/sqlcat/archive/2006/06/23/Tom-Davidson-SQLCAT-Best-Practices.aspx" id="ctl00___ctl00___ctl01___Results___postlist___EntryItems_ctl01_PostTitle"&gt;&lt;font color="#555555"&gt;OLTP Blueprint - A Performance Profile of OLTP applications&lt;/font&gt;&lt;/a&gt;&lt;/p&gt;</description></item><item><title>Re: Performante slabe SQL pe platforma 64</title><link>http://sqlserver.ro/forums/thread/805.aspx</link><pubDate>Wed, 08 Nov 2006 12:42:31 GMT</pubDate><guid isPermaLink="false">963f3a18-65dd-4aad-905c-b785cfe1d7c7:805</guid><dc:creator>ggciubuc</dc:creator><slash:comments>0</slash:comments><comments>http://sqlserver.ro/forums/thread/805.aspx</comments><wfw:commentRss>http://sqlserver.ro/forums/commentrss.aspx?SectionID=14&amp;PostID=805</wfw:commentRss><description>&lt;p&gt;Atentie un design defectuos al bd (si am vazut multe de genul acesta cu incalcarea regulilor formelor normale- chiar si numai a primelor 3) atrage performante slabe la interogare deci trebuie mers si pe partea asta. Altfel, ramane aspectul amintit de Cristi si anume acela&lt;br /&gt;legat de utilizarea buffere-lor de memorie .  &lt;/p&gt;</description></item><item><title>Re: Performante slabe SQL pe platforma 64</title><link>http://sqlserver.ro/forums/thread/799.aspx</link><pubDate>Wed, 08 Nov 2006 10:29:09 GMT</pubDate><guid isPermaLink="false">963f3a18-65dd-4aad-905c-b785cfe1d7c7:799</guid><dc:creator>pmoldovan</dc:creator><slash:comments>0</slash:comments><comments>http://sqlserver.ro/forums/thread/799.aspx</comments><wfw:commentRss>http://sqlserver.ro/forums/commentrss.aspx?SectionID=14&amp;PostID=799</wfw:commentRss><description>&lt;p&gt;RAID 5 e o mizerie, e solutia saracului, si merge cel mai prost dintre toate RAID-urile posibile, mai putin la citiri concurente comparat cu RAID 1. Daca omul are bani de RAID10, lasati-l sa foloseasca RAID10 pentru ca asta e cel mai bun (dar mult mai scump).&lt;/p&gt;&lt;p&gt;In configuratia data rezultate optime se obtin cu LOG-ul de SQL pe RAID1 dedicat, nu cu baza Temp. Pe un sistem care are suficienta memorie baza Temp nici macar nu e folosita decat de programe scrise pentru SQL 7 (folosing # sau ##, nu variabile de tip TABLE).&lt;/p&gt;&lt;p&gt;Oricum presupun si eu ca penalitatile de performanta nu sunt de la sistemul de disc, ci de la faptul ca sistemul e pe 64 de biti si din acest motiv consuma mai mult din L2 cache si transfera mai multe date intre disc, memorie si procesor.&lt;/p&gt;</description></item><item><title>Re: Performante slabe SQL pe platforma 64</title><link>http://sqlserver.ro/forums/thread/796.aspx</link><pubDate>Wed, 08 Nov 2006 09:52:14 GMT</pubDate><guid isPermaLink="false">963f3a18-65dd-4aad-905c-b785cfe1d7c7:796</guid><dc:creator>Jourjaque</dc:creator><slash:comments>0</slash:comments><comments>http://sqlserver.ro/forums/thread/796.aspx</comments><wfw:commentRss>http://sqlserver.ro/forums/commentrss.aspx?SectionID=14&amp;PostID=796</wfw:commentRss><description>&lt;p&gt;Incearca sa pui RAID 5 mdf si tempdb si RAID 1 log ! Din pdv meu este optim !&lt;/p&gt;&lt;p&gt;Ideea este ca la ceea ce faci tu diferenta de timp este insesizabila&amp;nbsp; ptr toate configuratiile de Raid ! Sunt convins ca problema este alta !&lt;/p&gt;&lt;p&gt;&amp;nbsp;&lt;/p&gt;&lt;p&gt;Bafta!&amp;nbsp;&lt;/p&gt;</description></item><item><title>Re: Performante slabe SQL pe platforma 64</title><link>http://sqlserver.ro/forums/thread/795.aspx</link><pubDate>Wed, 08 Nov 2006 09:20:41 GMT</pubDate><guid isPermaLink="false">963f3a18-65dd-4aad-905c-b785cfe1d7c7:795</guid><dc:creator>Tudor10i</dc:creator><slash:comments>0</slash:comments><comments>http://sqlserver.ro/forums/thread/795.aspx</comments><wfw:commentRss>http://sqlserver.ro/forums/commentrss.aspx?SectionID=14&amp;PostID=795</wfw:commentRss><description>&lt;p&gt;Salut!&lt;/p&gt;&lt;p&gt;Nu&amp;nbsp; s-a rezolvat, chiar daca am schimbat configuratia discurilor. Acum incerc pe metodologia trimisa de Cristi sa identific ce imi genereaza problema.&lt;/p&gt;</description></item><item><title>Re: Performante slabe SQL pe platforma 64</title><link>http://sqlserver.ro/forums/thread/788.aspx</link><pubDate>Tue, 07 Nov 2006 15:17:50 GMT</pubDate><guid isPermaLink="false">963f3a18-65dd-4aad-905c-b785cfe1d7c7:788</guid><dc:creator>ggciubuc</dc:creator><slash:comments>0</slash:comments><comments>http://sqlserver.ro/forums/thread/788.aspx</comments><wfw:commentRss>http://sqlserver.ro/forums/commentrss.aspx?SectionID=14&amp;PostID=788</wfw:commentRss><description>&lt;p&gt;Asteptam un feed-back la o eventuala reorganizare de arhitectura!&lt;/p&gt;&lt;p&gt;Cum se misca, sau s-a rezolvat problema altfel?&lt;/p&gt;</description></item><item><title>Re: Performante slabe SQL pe platforma 64</title><link>http://sqlserver.ro/forums/thread/777.aspx</link><pubDate>Mon, 06 Nov 2006 18:11:58 GMT</pubDate><guid isPermaLink="false">963f3a18-65dd-4aad-905c-b785cfe1d7c7:777</guid><dc:creator>xmldeveloper</dc:creator><slash:comments>0</slash:comments><comments>http://sqlserver.ro/forums/thread/777.aspx</comments><wfw:commentRss>http://sqlserver.ro/forums/commentrss.aspx?SectionID=14&amp;PostID=777</wfw:commentRss><description>&lt;p&gt;Sustin ca RAID 10 este o optiune excelenta pentru date si log. Ideal ar fi sa fie separate.&lt;/p&gt;&lt;p&gt;Pentru tempdb stripping este optiunea cea mai buna.&lt;/p&gt;</description></item><item><title>Re: Performante slabe SQL pe platforma 64</title><link>http://sqlserver.ro/forums/thread/770.aspx</link><pubDate>Mon, 06 Nov 2006 14:33:44 GMT</pubDate><guid isPermaLink="false">963f3a18-65dd-4aad-905c-b785cfe1d7c7:770</guid><dc:creator>Jourjaque</dc:creator><slash:comments>0</slash:comments><comments>http://sqlserver.ro/forums/thread/770.aspx</comments><wfw:commentRss>http://sqlserver.ro/forums/commentrss.aspx?SectionID=14&amp;PostID=770</wfw:commentRss><description>Sustii ca Raid 10 ptr log si Raid 1 ptr tempdb este o configuratie buna ?&lt;br /&gt;</description></item><item><title>Re: Performante slabe SQL pe platforma 64</title><link>http://sqlserver.ro/forums/thread/767.aspx</link><pubDate>Mon, 06 Nov 2006 13:31:11 GMT</pubDate><guid isPermaLink="false">963f3a18-65dd-4aad-905c-b785cfe1d7c7:767</guid><dc:creator>xmldeveloper</dc:creator><slash:comments>0</slash:comments><comments>http://sqlserver.ro/forums/thread/767.aspx</comments><wfw:commentRss>http://sqlserver.ro/forums/commentrss.aspx?SectionID=14&amp;PostID=767</wfw:commentRss><description>&lt;p&gt;RAID 10 ofera cea mai buna performanta pentru bazele de date desi este cea mai scumpa optiune.&lt;/p&gt;&lt;p&gt;&lt;a href="http://www.sql-server-performance.com/sql_server_performance_audit3.asp"&gt;http://www.sql-server-performance.com/sql_server_performance_audit3.asp&lt;/a&gt;&lt;/p&gt;</description></item></channel></rss>