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• Top Exastack Partner Headlines - 7 Nov

  - by Roxana Babiciu

  R-Style Softlab recommends RS-solutions with Exadata and SuperCluster to improve business performance for their customers. Read more. WingArc, a subsidiary of 1st Holdings, Inc., finds Oracle Exadata’s substantial computing power enabling to their enterprise output management solution (SVF/RD). It helps solve the problem of providing an integrated output platform for high volume businesses. Read more.

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• LOB Pointer Indexing Proposal

  - by jchang

  My observations are that IO to lob pages (and row overflow pages as well?) is restricted to synchronous IO, which can result in serious problems when these reside on disk drive storage. Even if the storage system is comprised of hundreds of HDDs, the realizable IO performance to lob pages is that of a single disk, with some improvement in parallel execution plans. The reason for this appears to be that each thread must work its way through a page to find the lob pointer information, and then generates...(read more)

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• Btrfs System Rollbacks In Fedora 13

  <b>Phoronix:</b> "One of the benefits of Btrfs besides offering competitive performance against other Linux file-systems and SSD optimizations is its support for sub-volumes and writable snapshots."

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• New Exadata e-book!

  - by Javier Puerta

  Use this new e-book with your customers to learn why Oracle Exadata is the right choice for all database applications and deployments, including private cloud. Oracle Exadata is an engineered system ideal for consolidating databases and accelerating data warehousing performance. This new e-book provides access to a variety of materials including articles, white papers, workbooks, webcasts, and videos to help you achieve your goals

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• On The Question Of Automated Website Testing

  Almost all webmasters (or at least "quite a lot of webmasters") have heard about the significance of website testing before the production. Having developed a website or a web application, most authors want to publish it immediately and see how people like it. If they ignore prior website testing, the project may appear unprepared for real Internet activity and reveal awful performance.

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• Video: Analyzing MySQL Queries with EXPLAIN

  The MySQL EXPLAIN statement provides insight into MySQL's query execution plans. This video demonstrates how you can use this powerful feature to boost your MySQL database performance.

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• Video: Analyzing MySQL Queries with EXPLAIN

  The MySQL EXPLAIN statement provides insight into MySQL's query execution plans. This video demonstrates how you can use this powerful feature to boost your MySQL database performance.

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• Avoiding Heap Contention Among Threads

  Allocating memory from the system heap can be an expensive operation due to a lock used by system runtime libraries to synchronize access to the heap. Contention on this lock can limit the performance benefits from multithreading. Learn how to solve this problem.

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• Avoiding Heap Contention Among Threads

  Allocating memory from the system heap can be an expensive operation due to a lock used by system runtime libraries to synchronize access to the heap. Contention on this lock can limit the performance benefits from multithreading. Learn how to solve this problem.

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• Pick an SEO Services Company and Increase Your Sales

  As a site owner, you mainly need the assistance of a good SEO services company. You have to be wise enough in picking to avoid frustrations in their performance.

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• No Wi-Fi? Try Belkin&amp;#146;s Gigabit Powerline HD Starter Kit

  If you need a wireless network in your home office, but the layout isn&#146;t conducive to Wi-Fi, you&#146;ll appreciate the Belkin Gigabit Powerline HD Starter Kit for its easy setup and snappy performance.

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• Grasping Good Google Snippets

  If you're like many web users, you may not even know what a "Google snippet" is, how it should be structured, or even why you should care. But when it comes to optimizing your small business web site, it's definitely worth knowing what a Google snippet really is, and what you can do to make sure it is structured properly so you can improve your web site's performance in the search engine results.

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• Kernel Log: Coming in 2.6.34 (Part 2) - File Systems

  <b>The H Open:</b> "Version 2.6.34 of the Linux kernel will be the first to support the Ceph and LogFS file systems. A number of changes to the Btrfs and XFS code promise improved performance."

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• Improving the Extended Financial Close and Reporting Process

  Coming out of the recession, many organizations need to build or re-build trust with key stakeholders by delivering more timely and accurate financial and operating results. In this podcast, hear about new capabilities Oracle is delivering through its Enterprise Performance Management products to help organizations coordinate and improve the extended financial close and reporting process, from closing the sub-ledgers to regulatory filings.

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• SEO Services - Important Points to Consider

  It is almost impossible to get more traffic on your sites without properly optimizing them. The job of an SEO services company is to keep close watch on the performance of your site so that it remains competitive all the time.

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• The Huge Disaster Within The Linux 2.6.35 Kernel

  <b>Phoronix:</b> "While the 2.6.35 code has not even seen its first release candidate yet, there are some massive performance drops in a variety of different tests that have yet to be corrected and nothing like we have encountered with previous kernel release cycles especially for a regression that has lived now for about one week."

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• Execute As

  Learn how you can use Execute As in a stored procedure to control permissions. This article includes an example that limits access to encryption routines for users. Optimize SQL Server performance“With SQL Monitor, we can be proactive in our optimization process, instead of waiting until a customer reports a problem,” John Trumbul, Sr. Software Engineer. Optimize your servers with a free trial.

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• Linux Arpeggiators, Part 1

  <b>Linux Journal:</b> "In my last article I looked at performance loopers for Linux. This week I begin a 2-part review of similar applications called arpeggiators."

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• Kernel Log: Coming in 2.6.34 (Part 1) - Network Support

  <b>The H Open:</b> "Expected for release in May, Linux kernel version 2.6.34 contains several new network drivers and various advancements designed to improve network performance or increase network configuration flexibility, which will particularly impact virtualisation."

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• Longene 0.3 released

  <b>Longene:</b> On May 31, 2010, the Longene team realesed its crucial product, Longene 0.3. This new release has fully eliminated Wineserver, the request to wineserver now is turned to system call, so that its performance has been substantially improved.

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• Phoromatic 1.0 Unleashed &amp; Ubuntu Joins The Party

  <b>Phoronix:</b> "Phoromatic has been a huge success, but today we are announcing that Phoromatic has reached a 1.0 status and additionally we are providing the Ubuntu Linux community with a new performance tracker in collaboration with Canonical."

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• Oracle R Distribution 3.1.1????

  - by Noriko Takada-Oracle

  Oracle R Distribution 3.1.1????????Oracle?public yum??????????????US?R???????????????????????????? Oracle R Technologies - Oracle R Distribution 3.1.1 Released ??Blog???????????Oracle R Enterprise(ORE)????????????????????????????? ?????Oracle R Distribution???Oracle?????????R??????????????????1???????????????Blog???????????????Oracle R Distribution Performance Benchmark ????????R?????????????????????

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• ??????????Oracle?

  - by katsumii

  ????2???????????????????????????????????Oracle Days Tokyo 2013?????????????????? ? ?  (?????????????(???????)???)????????????? "Exadata" ?????????????????????????????????????????????????????Oracle?????????????????????????1????????Forecasting Oracle Performance: Craig Shallahamer: 9781590598023: Amazon.com: BooksIf you are more management-minded (or want to be), you will be delighted with the service level management focus.???????????????????? "????·???" ?????????????”??????”???????????? ???????Oracle Database?????????????????????  

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• ORACLE MASTER??????·?????? ?????????

  - by Urakawa

  2?????????????????????????ORACLE MASTER Expert???Oracle Database 11g Performance Tuning Certified Expert???????????????????????????7??????????????!>??!???????? 7????? ???????????????????? ????????????????Oracle?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? ???????????????????????????????????????????????????????????????????????????????????????? ???????????????????????????????????????????????????????????????????! >?????????

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• ??Recovery Manager (RMAN)??

  - by ??

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RMAN???????????? RMAN???/?????????? ???????????? ????1487262.1???????????,?????RMAN??/????????4??????: ???? ???? ???? ??????? ???????????????,???????SQLPLUS???,???????????“DD-MON-RR HH24:MI:SS”???????,??????????? ??: SQL>spool monitor.out SQL>@monitor '06-aug-12 16:38:03' ?????RMAN???????????,?????????,?????? - ???????????????????,?????RMAN?????? ???????4??????????????? ???? ??DBA????????V$SESSION_LONGOPS???????????????????????,?????????????????? ??: SID CH CONTEXT SOFAR TOTALWORK % Complete --- -- ------- ------ ---------- ---------- 16 t1 1 181950 1186752 15.33 148 t2 1 249722 422400 59.12 ??: - ???????????????? - ??????????????? ???? ??????RMAN?????????????????????????????????????????????????????????Oracle???????????????????????? ??: SID CH SEQ# EVENT STATE SECONDS --- -- ---- --------------------------------- ------- ------- 16 t1 5735 RMAN backup & recovery I/O WAITING 10 143 8200 SQL*Net message from client WAITING 258.83 148 t2 7941 Backup: MML create a backup piece WAITING 196.13 ?????????T2???????????????,???????T2????????????????? ??: -?CH??????RMAN???,?Rman???????????,????????? -??SEQ#?????????,???????? -?????????,??????SEQ#???? -????????????????RMAN backup & recovery I/O'??????????????IO???? ???? ???????????????????????????????,???????backup_tape_io_slaves=TRUE,?????????????????? ??: SID CH STATUS OPEN_TIME SOFAR Mb TOTMB IO_COUNT % Complete TYPE FILENAME --- -- ----------- ------------------ -------- ------ ---------- -------- ------ ------------- 19 t1 FINISHED 02-aug-12 17:28:42 567.5 567.5 569 100.00 INPUT users01.dbf 19 t1 IN PROGRESS 02-aug-12 17:28:42 3489.99 8704 3490 40.10 INPUT sh.dbf 19 t1 IN PROGRESS 02-aug-12 17:28:42 3778 15113 OUTPUT kvnhlb22_1_1 20 t2 FINISHED 02-aug-12 17:28:38 740 740 742 100.00 INPUT system01.dbf 20 t2 FINISHED 02-aug-12 17:28:38 880 880 882 100.00 INPUT sysaux01.dbf 20 t2 FINISHED 02-aug-12 17:28:38 1680 1680 1682 100.00 INPUT undotbs01.dbf 20 t2 FINISHED 02-aug-12 17:28:38 3007.25 12029 OUTPUT l0nhlb23_1_1 ??: - ???????????????,??RMAN??????IO,??????????IO??,??(Document 360443.1 RMAN Backup Performance) - ?? IO_COUNT??????????? ??????? ?????,????????, ????????????v$backup_sync_io ?????????. ??: SID CH FILENAME TYPE STATUS BSZ BFC OPEN IO_COUNT --- -- ------------ ------ ----------- ------ --- ------------------ -------- 16 t1 ksnhla1b_1_1 OUTPUT IN PROGRESS 262144 4 02-aug-12 17:12:20 1092 148 t2 ktnhla1c_1_1 OUTPUT IN PROGRESS 262144 4 02-aug-12 17:12:15 2968 ??: -?????????????????,??RMAN??????IO -?? IO_COUNT?????????? -??IO_COUNT ????, ???IO_COUNT ????????????,???????????????,????????????? ????: ??????????????? Document 1487262.1 Script to monitor RMAN Backup and Restore Operations Document 144640.1   RMAN: Monitoring Recovery Manager Jobs Document 360443.1   RMAN Backup Performance Document 740911.1   RMAN Restore Performance ??,?????My Oracle Support Database Backup and Recovery community ?Oracle?????????????/??????

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