Re: SGA Max size

> In 9202, DB_BUBBER_CACHE, SHARED_POOL, LARGE_POOL
> and JAVA_POOL can be dynamically altered. But in 901, LARGE_POOL
> and JAVA POOL are static. If MAX SGA is less than 128MB then Oracle
> will use 4MB granule size to allocate/deallocate memory. For SGA greater
> than 128M, Oracle granule size is 16MB.

Btw, in Windows the granule size is 8M if SGA_MAX_SIZE is set larger than 128M.

Note that there's more stuff in SGA than above mentioned areas. Fixed SGA for example etc..

Tanel.

>
> -----Original Message-----
> To: Multiple recipients of list ORACLE-L
> Sent: 9/20/03 11:19 AM
>
>
>
> My understanding of SGA is
> SGA = x + y + z
> where x = (dbblksize*db_blk_buf OR db_cache_Size if 9i)
> y=shared_pool
> z=java pool, log_buffer
>
> If 9i oracle introduced SGA_MAX_SIZE; the sum of x+y+z can be
> < SGA_MAX_SIZE; if so, which part of x/y/z expands when need arises.
>
> Thanks
>
> Quriyat
>
>
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Author: Tanel Poder
  INET: tanel.poder.003_at_mail.ee

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