https://community.qlik.com/t5/Talend-Studio/JVM-args-with-larger-memory-systems/m-p/2305165#M76854 Hi, not really <span class="lia-inline-image-display-wrapper" image-alt="0683p000009MPcz.png"><img src="https://community.qlik.com/t5/image/serverpage/image-id/157233iD1A564EF62DE3BC2/image-size/large?v=v2&amp;px=999" role="button" title="0683p000009MPcz.png" alt="0683p000009MPcz.png" /></span> <BR />The technique for detecting max ram (ie by trying invocations that fail) doesn't seem reliable (ie it doesn't work on certain linux envs). <BR />I suppose I was looking to see if say on a modern-ish 8GB machine, dedicated to running Talend jobs (I am spinning up single-instance Google Cloud instances and then throwing them away), it might be of use to specify additional CLI options to get the best out of the system. <BR />Cheers, M Wed, 21 Dec 2016 13:39:01 GMT Anonymous 2016-12-21T13:39:01Z https://community.qlik.com/t5/Talend-Studio/JVM-args-with-larger-memory-systems/m-p/2305163#M76852 <P>When running TOS jobs in environments with say 8GB, 16GB and upwards RAM, what JVM settings are recommended? With larger heap sizes do any GC directives need to be used?<BR /><BR />TIA,<BR />M</P> Tue, 20 Dec 2016 20:29:15 GMT https://community.qlik.com/t5/Talend-Studio/JVM-args-with-larger-memory-systems/m-p/2305163#M76852 Anonymous 2016-12-20T20:29:15Z https://community.qlik.com/t5/Talend-Studio/JVM-args-with-larger-memory-systems/m-p/2305164#M76853 See if this <A href="http://kindleconsulting.com/component/zoo/item/managing-jvm-heap-size-in-talend-open-studio.html" target="_blank" rel="nofollow noopener noreferrer">post </A>helps - and scroll down and read Andrew's comment at the bottom of the page Wed, 21 Dec 2016 04:31:52 GMT https://community.qlik.com/t5/Talend-Studio/JVM-args-with-larger-memory-systems/m-p/2305164#M76853 willm1 2016-12-21T04:31:52Z https://community.qlik.com/t5/Talend-Studio/JVM-args-with-larger-memory-systems/m-p/2305165#M76854 Hi, not really <span class="lia-inline-image-display-wrapper" image-alt="0683p000009MPcz.png"><img src="https://community.qlik.com/t5/image/serverpage/image-id/157233iD1A564EF62DE3BC2/image-size/large?v=v2&amp;px=999" role="button" title="0683p000009MPcz.png" alt="0683p000009MPcz.png" /></span> <BR />The technique for detecting max ram (ie by trying invocations that fail) doesn't seem reliable (ie it doesn't work on certain linux envs). <BR />I suppose I was looking to see if say on a modern-ish 8GB machine, dedicated to running Talend jobs (I am spinning up single-instance Google Cloud instances and then throwing them away), it might be of use to specify additional CLI options to get the best out of the system. <BR />Cheers, M Wed, 21 Dec 2016 13:39:01 GMT https://community.qlik.com/t5/Talend-Studio/JVM-args-with-larger-memory-systems/m-p/2305165#M76854 Anonymous 2016-12-21T13:39:01Z