>>>>> "BM" == Bill Moran <[EMAIL PROTECTED]> writes:
BM> In response to "Anders Boström" <[EMAIL PROTECTED]>: >> >> gzip on this computer, on one CPU, reach about 18 Mbyte/s. bacula with >> >> gzip only reach ~7.7 Mbyte/s. This leads me to believe that there are >> >> room for improvement. >> BM> Again, the story changes. Above, you indicate that tar+gzip ran about BM> 15% faster than bacula with gzip, which seems reasonable. Now you're BM> saying that gzip is ~twice as fast as Bacula + gzip. Where did this new BM> number come from? Are you taking in to account networking on this new BM> test? >> >> If I state that "gzip on this computer, on one CPU, reach about 18 >> Mbyte/s", I mean just that, nothing else. To clarify, this means that >> pure gzip-performance on this computer, using just one gzip-process, >> is 18 Mbyte/s. BM> If you would be kind enough to humor me ... BM> Please create a file (or use an existing one) of notable size: few BM> hundred meg. BM> Put the file on the disk and time gzipping it. Run it 5 times. BM> Create a memory filesystem and repeate the gzip tests with the BM> file living on the mfs and the gzipped target existing on the mfs. BM> I have a suspicion that your drives are the limiting factor in this. BM> The above tests should confirm or deny that theory. I've already done this, but did it again. The results are the same, disc and tmpfs gives the same results, about 18 Mbyte/s. And I would have been *very* surprised if they had differed, as the disc-tests are running out of memory in test 2-5 (due to caching). Only the first disc-test are running from disc. And actually, the first disc-test was about 5% slower than the following, probably due to disc-access. Did you expect higher gzip-performance on an Athlon 64 X2 3800+ (2000 MHz dual core)? I also tested the gzip-performance on my desktop-computer. It's an Athlon 64 3500+ (2200 MHz single core), and it is ~10% faster, as expected. / Anders ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
