<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META http-equiv=Content-Type content="text/html; charset=us-ascii">
<META content="MSHTML 6.00.6000.21015" name=GENERATOR></HEAD>
<BODY>
<DIV dir=ltr align=left><SPAN class=718051714-14052009><FONT face=Arial
color=#0000ff size=2>Hi,</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=718051714-14052009><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=718051714-14052009><FONT face=Arial
color=#0000ff size=2>I am benchmarking gluster, and would like to ensure
I understand the options related to consolidating the storage bricks.
I'm a bit confused about "cluster/unify", "cluster/dht",
and "cluster/distribute". </FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=718051714-14052009><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=718051714-14052009><FONT face=Arial
color=#0000ff size=2>This page shows how dht is different from unify, but what
is distribute, a rename of DHT? </FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=718051714-14052009><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=718051714-14052009><FONT face=Arial
color=#0000ff size=2><A
href="http://www.gluster.org/docs/index.php/Understanding_DHT_Translator">http://www.gluster.org/docs/index.php/Understanding_DHT_Translator</A></FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=718051714-14052009><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=718051714-14052009><FONT face=Arial
color=#0000ff size=2>It would be helpful to see an example of
distribute+replicate. I am trying to approximate an HDFS setup that I've tested,
which replicates files over many servers, but favors local storage like nufa. In
Gluster I am using:</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=718051714-14052009><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=718051714-14052009><FONT face=Arial
color=#0000ff size=2>Translators:<BR> fuse -> distribute -> replicate
-> {bricks} <BR>Bricks are:<BR> server -> io-threads(8) -> locks
-> posix_storage</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=718051714-14052009><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=718051714-14052009><FONT face=Arial
color=#0000ff size=2>I would like to measure worst-case performance, without any
cache effects. Are there any translators or options that I should include for
best performance?</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=718051714-14052009></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=718051714-14052009><FONT face=Arial
color=#0000ff size=2>Thanks,</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=718051714-14052009><FONT face=Arial
color=#0000ff size=2>fds</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=718051714-14052009><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV></BODY></HTML>