Kotetu: configuration

• (1) cache unit
• (2) Intel Pentium-III Slot 1 550MHz CPU
• (1) Intel Etherexpress Pro/100+ 100Mbps NIC
• (6) IBM DDRS-39130W SCSI 7200RPM 8.5GB disk
• 512MB RAM
• Linux 2.4.8 + Kotetu v1.5 software
• not rack-mountable
• RedHat 7.1 (kernel 2.4.8 and ReiserFS 3.6.25) OS
• IBM DJNA-37350 IDE 5400RPM 15.0GB system disk
• Adaptec 2940-UW PCI single Ultra Wide SCSI channel controller
• Asus P2B-D (440BX chipset) dual processor motherboard
• Makefile:

  		     DEFS =  -DHAVE_CONFIG_H \
  		             -DDEFAULT_CONFIGFILE=\"kotetu.conf\" \
  		             -DUSE_MLOCK -DUSE_REQUEST_THRU \
  		             -DDEFAULT_HRES_SERV_PORT=1245 -DHCACHE_NSLOT=509 \
  		             -DDSIG_REFRESH=14400 \
  		             -DL_URL=176 -DL_PATH=128 -DL_HOST=72 -DL_REQBUF=768 -DL_BUF=4096 \
  		             -DMONITOR_INTERVAL=10 -DLOG_LINESIZE=2048 -DLOG_INTERVAL=256 \
  		             -DN_HANDLER_MAX=256 -DRADIX_H1_MAX=1027 \
  		             -DOFILE_BLKSIZE=8192 -DOFILE_NBLK_FILE=1409 \
  		             -DOFILE_NBLK_SEEK=24 -DOFILE_NBLK_OBJ=6 \
  		             -DSESSION_TOTAL_TIMEOUT=60 -DWFRIEND_TIMEOUT=20 \
  		             -DSEND_TIMEOUT=20 -DELSE_TIMEOUT=20 -DFETCH_TIMEOUT=40 \
  		             -DSW_TURNTIME_MAX_HARD=30000 -DSWAPOUT_CHUNK_TIMEOUT=30000 \
  		             -DBMRADIX="1+2"
  		     DEBUG = -g -O0 -DNDEBUG -mpentiumpro
  		     CFLAGS = $(DEBUG) $(DEFS) \
  		            -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED \
  		            -D_POSIX_SOURCE -D_POSIX_C_SOURCE=199506 \
  		            -D_REENTRANT -D_THREAD_SAFE

• Configuration file (kotetu.conf):

  		     Trace
  		     Monitor
  		     NoPrefetch
  		     ServicePort 3128
  		     NumHandler              64
  		     NumDiskSweeper          1
  		     NumSession              5120
  		     NSessHandler            16
  		     TotalMemorySize        230 
  		     CacheDir                /disk@24
  		     NumBucket               601
  		     RadixH2                 3
  		     RadixH3                 293
  		     Fsmap   0       0-24
  		     Fsmap   1       25-49
  		     Fsmap   2       50-74
  		     Fsmap   3       75-99
  		     Fsmap   4       100-124
  		     Fsmap   5       125-149
  		     Fsmap   6       150-174
  		     Fsmap   7       175-199
  		     Fsmap   8       200-224
  		     Fsmap   9       225-249
  		     Fsmap   10      250-274
  		     Fsmap   11      275-299
  		     Fsmap   12      300-324
  		     Fsmap   13      325-349
  		     Fsmap   14      350-374
  		     Fsmap   15      375-399
  		     Fsmap   16      400-424
  		     Fsmap   17      425-449
  		     Fsmap   18      450-474
  		     Fsmap   19      475-499
  		     Fsmap   20      500-524
  		     Fsmap   21      525-549
  		     Fsmap   22      550-574
  		     Fsmap   23      575-600
  		     LevelBucketSkipList     12
  		     NEntryBucket            40
  		     EntryHwater             75
  		     EntryLwater             65
  		     FragSize                4096
  		     NFragObject             12
  		     NFragNetWrite           4
  		     NFragNetRead            1
  		     NFragDiskWrite          2
  		     NFragDiskRead           2
  		     NIndexDiskRead          8
  		     NIndexBurstDiskRead     32
  		     DiskSweepInterval       1000
  		     NumPrefetchReferedPages         8
  		     NumPrefetchIncludedObjects      16

Product full name is NAIST Kotetu v1.5. Product cost is $2000. The bench was using NetGear FS105 10/100 5 port switch to aggregate client and server traffic.

changes

According to the participant, the following changes were applied to the configuration above:

• file descriptor limitation of OS increased
• 24 filesystems (4 partitions per disk) made
• debug logging enabled
• access logging disabled

pictures