Dec 172017
 
READ4K will read blocks(4K) of data from your HD or network. It will then return the throughput of your file system. Good diag. tool.
File READ4K.ZIP from The Programmer’s Corner in
Category System Diagnostics
READ4K will read blocks(4K) of data from your HD or network. It will then return the throughput of your file system. Good diag. tool.
File Name File Size Zip Size Zip Type
READ.ME 1704 938 deflated
READ4K.C 3994 1371 deflated
READ4K.EXE 24990 16971 deflated
READ4K.MAK 417 280 deflated
READ4K.OBJ 2881 1846 deflated

Download File READ4K.ZIP Here

Contents of the READ.ME file


Help us find a network configuration that will provide very good
throughput for our MDBS III server. MDBS III does all its I/O in fixed
size pages. Our data base page size is 4,096 bytes. The DOS
application here, READ4K.EXE, reads pages of that size from the file of
your choice. The syntax is

READ4K

The program will read consecutive pages from the file until there are no
more, then will seek to the start of the file, continuing in this manner
until the block count is exhausted.

To run the program, you need one work station and one file server. You
don't have to quiesce all other work, but you may get better results if
you do. It is fair game to choose a file that fits within the server's
cache, as we intend to use sufficient cache to guarantee a very high hit
rate. It is not fair game to fool with local buffering in the work
station shell.

One thousand might be a good number of blocks to read.On the
standalone Wyse 3216 on which I prepared the program, I read 1,000
blocks from C:\COMMAND.COM, which handily fit into a Super PC-Kwik
cache.The entire execution took 3.74 secs, or 3.7 ms per block.

When reporting results, please include the network type (e.g., 4 Mbps
TRN, UTP Ethernet), NIC types, driver versions and CPU models.Here's
an example from our system:

Server: Wyse 3216 (16 MHz 386)
4 MB RAM
Thomas Conrad TC6045 (16-bit)
Driver level 2.10.03
NW286 2.15A
Work station: Dell 310 (20 MHz 386)
4 MB RAM
SMC PC 210 (8-bit)
Shells at 2.15 level
SMC driver from 2.15 package
Time: 40.87 secs to read 1,000 blocks

Art Rothstein
70020,516


 December 17, 2017  Add comments

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