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тАО03-20-2002 07:49 AM
тАО03-20-2002 07:49 AM
Block size of file system for BLOB column type
What is the max block size for file system in HP-UX 11.0 ?
MDF
Marcelo De Florio
3 REPLIES 3
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тАО03-20-2002 08:08 AM
тАО03-20-2002 08:08 AM
Re: Block size of file system for BLOB column type
Hi:
For vxfs, it's 8K; for hfs it's 64K. On vxfs filesystems (which you should be using), blocksize is essentially unimportant as far as performance is concerned. Vxfs likes to write in 64K chunks so it is more important to match your lvol stripe size to 64K.
For vxfs, it's 8K; for hfs it's 64K. On vxfs filesystems (which you should be using), blocksize is essentially unimportant as far as performance is concerned. Vxfs likes to write in 64K chunks so it is more important to match your lvol stripe size to 64K.
If it ain't broke, I can fix that.
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тАО03-20-2002 08:17 AM
тАО03-20-2002 08:17 AM
Re: Block size of file system for BLOB column type
64K for HFS
8K for JFS
8K for JFS
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тАО03-20-2002 01:42 PM
тАО03-20-2002 01:42 PM
Re: Block size of file system for BLOB column type
Hi
If this BLOB column is in a Oracle database, your maximum database blocksize is 32K.
What blocksize the filesystem operates with is of less importance (if not no importance) as during tablespace creation the fixed db blocks are created of continous filesystem blocks and will be used as such for the tablespaces lifetime.
rgds
Andreas
If this BLOB column is in a Oracle database, your maximum database blocksize is 32K.
What blocksize the filesystem operates with is of less importance (if not no importance) as during tablespace creation the fixed db blocks are created of continous filesystem blocks and will be used as such for the tablespaces lifetime.
rgds
Andreas
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