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| author | Jim Jagielski <jim@apache.org> | 2011-09-23 14:57:18 +0200 |
|---|---|---|
| committer | Jim Jagielski <jim@apache.org> | 2011-09-23 14:57:18 +0200 |
| commit | 4bdba40212a60e4857dba45ae1a6a93302e7e346 (patch) | |
| tree | 1a4cc091632ed87a22aa25350881e39927bc2398 /docs/manual | |
| parent | Pulls the examples out of the paragraph text and into a table so that (diff) | |
| download | apache2-4bdba40212a60e4857dba45ae1a6a93302e7e346.tar.xz apache2-4bdba40212a60e4857dba45ae1a6a93302e7e346.zip | |
some docco updates
git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1174718 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'docs/manual')
| -rw-r--r-- | docs/manual/mod/mod_lbmethod_bybusyness.xml | 7 | ||||
| -rw-r--r-- | docs/manual/mod/mod_lbmethod_bytraffic.xml | 5 |
2 files changed, 8 insertions, 4 deletions
diff --git a/docs/manual/mod/mod_lbmethod_bybusyness.xml b/docs/manual/mod/mod_lbmethod_bybusyness.xml index 8b9cb3b457..48c537e94d 100644 --- a/docs/manual/mod/mod_lbmethod_bybusyness.xml +++ b/docs/manual/mod/mod_lbmethod_bybusyness.xml @@ -43,17 +43,18 @@ provides the <code>bybusyness</code> load balancing method.</p> <title>Pending Request Counting Algorithm</title> <p>Enabled via <code>lbmethod=bybusyness</code>, this scheduler keeps - track of how many requests each worker is assigned at present. A new + track of how many requests each worker is currently assigned at present. A new request is automatically assigned to the worker with the lowest number of active requests. This is useful in the case of workers that queue incoming requests independently of Apache, to ensure that queue length stays even and a request is always given to the worker - most likely to service it fastest.</p> + most likely to service it the fastest and reduce latency.</p> <p>In the case of multiple least-busy workers, the statistics (and weightings) used by the Request Counting method are used to break the tie. Over time, the distribution of work will come to resemble that - characteristic of <code>byrequests</code>.</p> + characteristic of <code>byrequests</code> (as implemented + by <module>mod_lbmethod_byrequests</module>).</p> </section> diff --git a/docs/manual/mod/mod_lbmethod_bytraffic.xml b/docs/manual/mod/mod_lbmethod_bytraffic.xml index d4a0302484..989328b9c2 100644 --- a/docs/manual/mod/mod_lbmethod_bytraffic.xml +++ b/docs/manual/mod/mod_lbmethod_bytraffic.xml @@ -48,7 +48,8 @@ provides the <code>bytraffic</code> load balancing method..</p> this worker to handle</em>. This is also a normalized value representing their "share" of the amount of work to be done, but instead of simply counting the number of requests, we take - into account the amount of traffic this worker has seen.</p> + into account the amount of traffic this worker has either seen + or produced.</p> <p>If a balancer is configured as follows:</p> @@ -70,6 +71,8 @@ provides the <code>bytraffic</code> load balancing method..</p> size of the request and response are applied to the weighting and selection algorithm.</p> + <p>Note: input and output bytes are weighted the same.</p> + </section> </modulesynopsis> |