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[Discuss] Some Java questions
- Subject: [Discuss] Some Java questions
- From: hag at linnaean.org (Daniel Hagerty)
- Date: Thu, 25 Oct 2012 10:50:57 -0400
- In-reply-to: <CAEvgogFyeScDsBzVDOQ99U_bYkMxokJCO5w3BGCfatScj8EFqQ@mail.gmail.com> (Jerry Feldman's message of "Thu, 25 Oct 2012 09:35:35 -0400")
- References: <CAEvgogFyeScDsBzVDOQ99U_bYkMxokJCO5w3BGCfatScj8EFqQ@mail.gmail.com>
Jerry Feldman <gaf.linux at gmail.com> writes: > We have an important client-related Java issue. We are trying to reproduce > a client's problem, but they are using a very large host (96GB/8CPU) and we > just were able to upgrade a VM to 4CPUs and 64GB for this project. I would > like to know if there are any good run-time tuning parameters that my > coworker can set to use more of the memory. (We are using Java SE Run java -X; it'll dump the help for the ("non-standard and subject to change without notice") -X options. A couple of the memory related ones I've used before include: -Xms<size> set initial Java heap size -Xmx<size> set maximum Java heap size
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