Displaying 2 results from an estimated 2 matches for "bufhwm".
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budwm
2004 Feb 05
1
massive performance problems if transferring many small files
...ClearCase Vobs run out of inode tables and directory name
* lookup cache.
set maxusers=2048
set ncsize=34906
* ClearCase recommends that the size of a VOB host's block buffer
* cache about 200% of the size of the hosts largest VOB database
* file.
* Default bufhwm is 2% ud phys. memory. We try 2% of 2048Mb
set bufhwm=46080
* ClearCase MVFS-Tuning for large systems
set mvfs:mvfs_largeinit=1
set mvfs:mvfs_dncnoentmax=4000
set mvfs:mvfs_dncregmax=4000
set mvfs:mvfs_dncdirmax=1600
set mvfs:mvfs_vobfreemax=4500
set mvfs:mvfs_cvpfreemax=4500
* GE-Link Pa...
2008 Nov 29
75
Slow death-spiral with zfs gzip-9 compression
I am [trying to] perform a test prior to moving my data to solaris and zfs. Things are going very poorly. Please suggest what I might do to understand what is going on, report a meaningful bug report, fix it, whatever!
Both to learn what the compression could be, and to induce a heavy load to expose issues, I am running with compress=gzip-9.
I have two machines, both identical 800MHz P3 with