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+Trinity memory usage
+====================
+
+As described on the official Trinity website
+`FAQ <http://trinityrnaseq.sourceforge.net/trinity_faq.html#ques_comp_resources_required>`_,
+trinity requires a large amount of memory to perform the assembly: "roughly
+~1G of RAM per 1M reads to be assembled"
+
+By default, this tool is configured to limit the memory consumption to 1G.
+You might need to lower this limit if the machine(s) executing the jobs have less memory available.
+If you have a lot of reads to assemble and a machine with enough memory, you can increase it.
+In both cases, you can set the GALAXY_MEMORY_MB environmental variable in the destination section of the job_conf.xml file::
+
+    <?xml version="1.0"?>
+    <!-- A sample job config that explicitly configures job running the way it is configured by default (if there is no explicit config). -->
+    <job_conf>
+        <plugins>
+            <plugin id="local" type="runner" load="galaxy.jobs.runners.local:LocalJobRunner" workers="4"/>
+        </plugins>
+        <handlers>
+            <handler id="main"/>
+        </handlers>
+        <destinations>
+            <destination id="local" runner="local">
+                <env id="GALAXY_MEMORY_MB">1G</env>
+            </destination>
+        </destinations>
+    </job_conf>
+
+