annotate mod_ipcheck/README.markdown @ 4877:adc6241e5d16

mod_measure_process: Report the enforced limit The soft limit is what the kernel actually enforces, while the hard limit is is how far you can change the soft limit without privileges. Unless the process dynamically adjusts the soft limit, knowing the hard limit is not as useful as knowing the soft limit. Reporting the soft limit and the number of in-use FDs allows placing alerts on expressions like 'process_open_fds / process_max_fds >= 0.95'
author Kim Alvefur <zash@zash.se>
date Tue, 18 Jan 2022 18:55:20 +0100
parents 4d73a1a6ba68
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1803
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents: 1782
diff changeset
1 ---
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents: 1782
diff changeset
2 labels:
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents: 1782
diff changeset
3 - 'Stage-Stable'
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents: 1782
diff changeset
4 summary: 'XEP-0279: Server IP Check'
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents: 1782
diff changeset
5 ...
1782
29f3d6b7ad16 Import wiki pages
Kim Alvefur <zash@zash.se>
parents:
diff changeset
6
1803
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents: 1782
diff changeset
7 Introduction
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents: 1782
diff changeset
8 ============
1782
29f3d6b7ad16 Import wiki pages
Kim Alvefur <zash@zash.se>
parents:
diff changeset
9
1803
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents: 1782
diff changeset
10 Sometimes for various reasons a client might want to know its IP address
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents: 1782
diff changeset
11 as it appears to the server. This [simple
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents: 1782
diff changeset
12 XEP](http://xmpp.org/extensions/xep-0279.html) allows the client to ask
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents: 1782
diff changeset
13 the server for the IP address it is connected from.
1782
29f3d6b7ad16 Import wiki pages
Kim Alvefur <zash@zash.se>
parents:
diff changeset
14
1803
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents: 1782
diff changeset
15 Compatibility
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents: 1782
diff changeset
16 =============
1782
29f3d6b7ad16 Import wiki pages
Kim Alvefur <zash@zash.se>
parents:
diff changeset
17
1803
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents: 1782
diff changeset
18 ----- -------
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents: 1782
diff changeset
19 0.7 Works
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents: 1782
diff changeset
20 0.6 Works
4d73a1a6ba68 Convert all wiki pages to Markdown
Kim Alvefur <zash@zash.se>
parents: 1782
diff changeset
21 ----- -------