diff options
| author | Rainer Gerhards <rgerhards@adiscon.com> | 2008-04-03 13:19:48 +0000 |
|---|---|---|
| committer | Rainer Gerhards <rgerhards@adiscon.com> | 2008-04-03 13:19:48 +0000 |
| commit | 46fbfee41e88034135725beb4136d44b94388ede (patch) | |
| tree | ccb7efd204f881cd47d9ce8e942977614a5d35b3 /doc | |
| parent | 5e279ea0f79250a07948ed6c24731f60e8221543 (diff) | |
| download | rsyslog-46fbfee41e88034135725beb4136d44b94388ede.tar.gz rsyslog-46fbfee41e88034135725beb4136d44b94388ede.tar.xz rsyslog-46fbfee41e88034135725beb4136d44b94388ede.zip | |
added the capability to specify a processing (actually dequeue) timeframe
with queues - so things can be configured to be done at off-peak hours
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/features.html | 6 | ||||
| -rw-r--r-- | doc/queues.html | 12 | ||||
| -rw-r--r-- | doc/rsyslog_ng_comparison.html | 13 |
3 files changed, 24 insertions, 7 deletions
diff --git a/doc/features.html b/doc/features.html index 9573030e..f74f2aaf 100644 --- a/doc/features.html +++ b/doc/features.html @@ -1,7 +1,5 @@ <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> -<html><head><title>rsyslog features</title> - -</head> +<html><head><title>rsyslog features</title></head> <body> <h1>RSyslog - Features</h1> <p><b>This page lists both current features as well as @@ -31,7 +29,7 @@ reliability</li> <li>support for sending and receiving compressed syslog messages</li> <li>support for on-demand on-disk spooling of messages that can not be processed fast enough (a great feature for <a href="rsyslog_high_database_rate.html">writing massive -amounts of syslog messages to a database</a>)</li> +amounts of syslog messages to a database</a>)</li><li>support for selectively <a href="http://wiki.rsyslog.com/index.php/OffPeakHours">processing messages only during specific timeframes</a> and spooling them to disk otherwise</li> <li>ability to monitor text files and convert their contents into syslog messages (one per line)</li> <li>ability to configure backup syslog/database servers - if diff --git a/doc/queues.html b/doc/queues.html index 80641d8c..a2074d36 100644 --- a/doc/queues.html +++ b/doc/queues.html @@ -288,7 +288,17 @@ directive allows to specify how long (in microseconds) dequeueing should be delayed. While simple, it still is powerful. For example, using a DequeueSlowdown delay of 1,000 microseconds on a UDP send action ensures that no more than 1,000 messages can be sent within a second (actually less, as there is -also some time needed for the processing itself). </p> +also some time needed for the processing itself).</p><h2>Processing Timeframes</h2><p>Queues +can be set to dequeue (process) messages only during certain +timeframes. This is useful if you, for example, would like to transfer +the bulk of messages only during off-peak hours, e.g. when you have +only limited bandwidth on the network path the the central server.</p><p>Currently, +only a single timeframe is supported and, even worse, it can only be +specified by the hour. It is not hard to extend rsyslog's capabilities +in this regard - it was just not requested so far. So if you need more +fine-grained control, let us know and we'll probably implement it. +There are two configuration directives, both should be used together or +results are unpredictable:" <i>$<object>QueueDequeueTimeBegin <hour></i>" and "<i>$<object>QueueDequeueTimeEnd <hour></i>". The hour parameter must be specified in 24-hour format (so 10pm is 22). A use case for this parameter can be found in the <a href="http://wiki.rsyslog.com/index.php/OffPeakHours">rsyslog wiki</a>. </p> <h2>Terminating Queues</h2> <p>Terminating a process sounds easy, but can be complex. <span style="font-size: 12pt; line-height: 115%; font-family: 'Times New Roman',serif;" lang="EN-US"> diff --git a/doc/rsyslog_ng_comparison.html b/doc/rsyslog_ng_comparison.html index 852ab4ed..60eeee74 100644 --- a/doc/rsyslog_ng_comparison.html +++ b/doc/rsyslog_ng_comparison.html @@ -1,6 +1,6 @@ <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html><head> -<meta content="de" http-equiv="Content-Language"><title>rsyslog vs. syslog-ng - a comparison</title> +<meta http-equiv="Content-Language" content="de"><title>rsyslog vs. syslog-ng - a comparison</title> </head> <body> @@ -122,7 +122,9 @@ based framing on syslog/tcp connections</td> <td valign="top">yes</td> </tr> <tr> -<td valign="top">syslog over RELP<br>truly reliable message delivery (<a href="http://rgerhards.blogspot.com/2008/04/on-unreliability-of-plain-tcp-syslog.html">Why is plain tcp syslog not reliable?</a>)</td> +<td valign="top">syslog over RELP<br> +truly reliable message delivery (<a href="http://rgerhards.blogspot.com/2008/04/on-unreliability-of-plain-tcp-syslog.html">Why +is plain tcp syslog not reliable?</a>)</td> <td valign="top">yes</td> <td valign="top">no</td> </tr> @@ -337,6 +339,13 @@ be placed on different disk</td> <td valign="top">no</td> </tr> <tr> +<td valign="top">ability to process spooled +messages only during a configured timeframe (e.g. process messages only +during off-peak hours, during peak hours they are enqueued only)</td> +<td valign="top"><a href="http://wiki.rsyslog.com/index.php/OffPeakHours">yes</a><br>(can independently be configured for the main queue and each action queue)</td> +<td valign="top">no</td> +</tr> +<tr> <td valign="top">ability to configure backup syslog/database servers </td> <td valign="top">yes</td> |