Performance Guide
Index
R
-
RAID (redundant array of inexpensive disks), performance
-
raw I/O
-
rawch/s field, sar -y
-
%rcache field, sar -b,
``Identifying disk I/O-bound systems'',
``Increasing memory by reducing the buffer cache size'',
``Increasing disk I/O throughput by increasing the buffer cache size'',
``Viewing buffer cache activity'',
``Case study: memory-bound software development system''
-
rchar/s field, sar -c
-
rclm/s field, sar -p,
``Viewing swapping and paging activity'',
``Identifying memory-bound systems''
-
rcvin/s field, sar -y
-
read-ahead
-
readv(S), I/O vector size
-
receive window size
-
records, locked by system
-
region table,
``Kernel parameters that you can change using configure'',
``Kernel parameters that you can change using configure''
-
repeaters
-
reqblk/s field, sar -S
-
request counts
-
rescheduling jobs
-
resident pages wanted
-
retrans field, nfsstat -c
-
root filesystem
-
ROOTCHKPT
-
ROOTLOG
-
ROOTMAXVDEPTH
-
ROOTMINVTIME
-
ROOTNOCOMP
-
ROOTSYNC
-
routers,
``STREAMS resources'',
``Monitoring TCP/IP performance''
-
routing, performance considerations
-
routing metric, adjusting
-
run queue
-
%runocc field, sar -q
-
runq-sz field, sar -q
-
r+w/s field, sar -d,
``Viewing disk and other block I/O activity'',
``Identifying disk I/O-bound systems''