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Posted to commits@jena.apache.org by gi...@apache.org on 2021/06/18 16:13:16 UTC
[jena-site] branch asf-site updated: Updated site from main
(14c769b274c2645dd3699e4ff5b8ef13c5f2f7b9)
This is an automated email from the ASF dual-hosted git repository.
git-site-role pushed a commit to branch asf-site
in repository https://gitbox.apache.org/repos/asf/jena-site.git
The following commit(s) were added to refs/heads/asf-site by this push:
new 1e95ae2 Updated site from main (14c769b274c2645dd3699e4ff5b8ef13c5f2f7b9)
1e95ae2 is described below
commit 1e95ae29cc523b26f8adb5a94e70750e7b0ac8b6
Author: jenkins <bu...@apache.org>
AuthorDate: Fri Jun 18 16:13:11 2021 +0000
Updated site from main (14c769b274c2645dd3699e4ff5b8ef13c5f2f7b9)
---
content/documentation/tdb2/tdb2_cmds.html | 10 ++++++++++
content/sitemap.xml | 4 ++--
2 files changed, 12 insertions(+), 2 deletions(-)
diff --git a/content/documentation/tdb2/tdb2_cmds.html b/content/documentation/tdb2/tdb2_cmds.html
index 87d3142..bd470dc 100644
--- a/content/documentation/tdb2/tdb2_cmds.html
+++ b/content/documentation/tdb2/tdb2_cmds.html
@@ -220,6 +220,16 @@ situation can only be found by trying each loader to see what works best
and the notes below are only initial guidance. The default choice is
a reasonable starting point. Closing all applications to release their
memory and not use CPU improves the loading process performance.</p>
+<p>Loading very large datasets (like Wikidata) with tdb2.tdbloader may
+sometimes on linux configurations fail with errors like:</p>
+<pre><code>Native memory allocation (mmap) failed to map 65536 bytes for
+committing reserved memory.
+</code></pre>
+<p>This can be avoided by adding a larger value to the <code>vm.max_map_count</code>
+option. The command <code>sudo sysctl -w vm.max_map_count=262144</code> updates
+the value for your current session, or you can persist the change by
+editing the value in <code>/etc/sysctl.conf</code> or in <code>/etc/sysctl.d/*</code> override
+files if available.</p>
<h3 id="loader-options">Loader options</h3>
<p>The choice of loader is given by the optional <code>--loader</code> argument.</p>
<p><code>--loader=basic</code></p>
diff --git a/content/sitemap.xml b/content/sitemap.xml
index f1f98ad..7028a1d 100644
--- a/content/sitemap.xml
+++ b/content/sitemap.xml
@@ -314,7 +314,7 @@
<url>
<loc>https://jena.apache.org/documentation.html</loc>
- <lastmod>2021-06-04T13:29:15+01:00</lastmod>
+ <lastmod>2021-06-18T18:11:15+02:00</lastmod>
</url>
<url>
@@ -984,7 +984,7 @@
<url>
<loc>https://jena.apache.org/documentation/tdb2/tdb2_cmds.html</loc>
- <lastmod>2020-02-28T13:09:12+01:00</lastmod>
+ <lastmod>2021-06-18T18:11:15+02:00</lastmod>
</url>
<url>