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The following commit(s) were added to refs/heads/asf-staging by this push: new 28a41d5 Staged site from xloader-threads (20c5d3cbb6b18d1ce64b59ed75144a5ecba325f4) 28a41d5 is described below commit 28a41d58273e6e818e7e4e91286ab44e3f6f97fe Author: jenkins <bui...@apache.org> AuthorDate: Fri Jan 14 16:21:24 2022 +0000 Staged site from xloader-threads (20c5d3cbb6b18d1ce64b59ed75144a5ecba325f4) --- content/documentation/tdb/tdb-xloader.html | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/content/documentation/tdb/tdb-xloader.html b/content/documentation/tdb/tdb-xloader.html index 6e6a666..5a51851 100644 --- a/content/documentation/tdb/tdb-xloader.html +++ b/content/documentation/tdb/tdb-xloader.html @@ -184,7 +184,7 @@ hardware and can be use to load a database on rotating disk or SSD.</p> large datasets.</p> <p>There are two scripts to load data using the xloader subsystem.</p> <p>“tdb1.xloader”, which was called “tdbloader2”, has some improvements.</p> -<p>It is not as fast as other TDB loaders on dataset where the general loaders work +<p>It is not as fast as other TDB loaders on datasets where the general loaders work without encountering progressive slowdown.</p> <p>The xloaders for TDB1 and TDB2 are not identical. The TDB2 xloader is more capable; it is based on the same design approach with further refinements to @@ -202,9 +202,11 @@ It can not be used to load an existing database.</p> temporary files.</p> <p><code>FILE</code> is any RDF syntax supported by Jena. Syntax is determined by the file extension and can include an addtional “.gz” or “.bz2” for compressed files.</p> -<p><code>tdb2.xloader also supports </code>–threads<code> to set the number of threads to use with</code>sort(1)`. The default is 2. The recommendation for an inital setting is to set -it to the number of cores (not hardware threads) minus 1. This is sensitive to -the hardware environment. Experimentation may show a different best setting.</p> +<p><code>tdb2.xloader</code> also supports argument <code>--threads</code> to set the number of threads +to use with <code>sort(1)</code>. The default is 2. The recommendation for an inital +setting is to set it to the number of cores (not hardware threads) minus 1. This +is sensitive to the hardware environment. Experimentation may show a different +best setting.</p> <h3 id="advice">Advice</h3> <p>To avoid a load failing due to a syntax or other data error, it is advisable to run <code>riot --check</code> on the data first. Parsing is faster than loading.</p>