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as seen on Oracle Blogs
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??????«latch free:cache buffer handles???SQL????»?????cache buffer handle latch?????,?????????:
“?????pin?buffer header???????buffer handle,??buffer handle?????????cache buffer handles?,??????cache buffer handles??????,???????cache???buffer handles,?????(reserved set)?????????????_db_handles_cached(…
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as seen on Oracle Blogs
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???Oracle??????????????SGA/PGA???,????10g????????????ASMM????,????????ASMM?????????Oracle??????????,?ASMM??????DBA????????????;????????ASMM???????????????DBA???:????????????DB,?????????????DBA?????????????????????????????????,ASMM??????????,???????????,??????????,??????????????????;?10g release 1…
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as seen on Super User
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Example: Application generates large text log file A with many different messages. It generates similarly large log file B when does not function correctly.
I want to see what messages in file B are essentially new, i.e. to filter-out everything from A.
Trivial prototype is:
Sort | uniq both files
Join…
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as seen on Stack Overflow
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I'm implementing a simplistic JIT compiler in a VM I'm writing for fun (mostly to learn more about language design) and I'm getting some weird behavior, maybe someone can tell me why.
First I define a JIT "prototype" both for C and C++:
#ifdef __cplusplus
typedef void* (*_JIT_METHOD) (...);
#else
…
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as seen on Stack Overflow
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Possible Duplicate:
What is the difference between a stack overflow and buffer overflow ?
What is the difference between Buffer Overflow and Buffer Overrun?
What is the difference between Buffer Overrun and Stack Overflow?
Please include code examples. I have looked at the terms in Wikipedia…
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