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yourfanat wrote: I am using another tool for Oracle developers - dbForge Studio for Oracle. This IDE has lots of usefull features, among them: oracle designer, code competion and formatter, query builder, debugger, profiler, erxport/import, reports and many others. The latest version supports Oracle 12C. More information here.
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In many cases, the end of the year gives you time to step back and take stock of the last 12 months. This is when many of us take a hard look at what worked and what did not, complete performance reviews, and formulate plans for the coming year. For me, it is all of those things plus a time when I u...
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Linux Kernel "Holds Up Admirably" During 3 Months' Strenuous Testing
Linux Kernel "Holds Up Admirably" During 3 Months' Strenuous Testing

The long-term reliability of Linux has been under investigation at the Linux Technology Center (LTC), founded in August 1999 to work directly with the Linux development community - "with a shared vision of making Linux succeed" (meaning, especially, succeed in the enterprise).

With some 200 employees, of the LTC's core missions is to professionally test Linux in lab settings, the way any commercial project is tested. A comprehensive set of tests were`carried out on the Linux kernel for an extended period of time, and Linux - in the words of the Center's sratt software engineers, "held up admirably under the continued stress."

Test results at a glance

Here is what the Center's Web site is currently displaying as a summary of the results:

"The following summary is based on the results of the tests and observations on the duration of the runs:

  • The Linux kernel and other core OS components -- including libraries, device drivers, file systems, networking, IPC, and memory management -- operated consistently and completed all the expected durations of runs with zero critical system failures.
  • Every run generated a high success rate (over 95%), with a very small number of expected intermittent failures that were the result of the concurrent executions of tests that are designed to overload resources.
  • Linux system performance was not degraded during the long duration of the run.
  • The Linux kernel properly scaled to use hardware resources (CPU, memory, disk) on SMP systems.
  • The Linux system handled continuous full CPU load (over 99%) and high memory stress well.
  • The Linux system handled overloaded circumstances correctly.

The tests demonstrate that the Linux kernel and other core OS components are reliable and stable over 30, 60, and 90 days, and can provide a robust, enterprise-level environment for customers over long periods of time."

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Reader Feedback: Page 1 of 1

"with a very small number of expected intermittent failures that were the result of the concurrent executions of tests that are designed to overload resources"

If Apache is configured for 100 concurrent accesses and there are 101, a person won't be able to read de page, and that won't be a OS failure at all.

The report mentions "a high success rate (over 95%)".

Is this really a high success rate? I have no idea what these tests do, but I would not expect a good OS to fail 5% of the time when resources a overloaded.


Your Feedback
Rawthruth wrote: "with a very small number of expected intermittent failures that were the result of the concurrent executions of tests that are designed to overload resources" If Apache is configured for 100 concurrent accesses and there are 101, a person won't be able to read de page, and that won't be a OS failure at all.
Business User wrote: The report mentions "a high success rate (over 95%)". Is this really a high success rate? I have no idea what these tests do, but I would not expect a good OS to fail 5% of the time when resources a overloaded.
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