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From Ron Wheeler <rwhee...@artifact-software.com>
Subject Re: using H2 database for accelerated development
Date Tue, 22 Sep 2015 01:13:11 GMT
Windows 7
Dataram RAMDisk v4.1
I am using the free version. I have a 8GB Toshiba laptop and have set 
aside 2 GB for Eclipse/STS, Java 8 JDK, Maven, DITA-OT and a build 
directory for DITA.
Windows seems to be able to open a lot of windows with lots of process 
even with 6 GB.

The DITA-OT is for documentation and it thrashes the disk since it has 
many phases that each read one set of small files (~120) and writes them 
back out.
Getting them in memory makes a big difference when I am actively writing 
or maintaining docs.

Eclipse/STS has a lot of plug-ins and putting this in RAM has made 
Eclipse quite snappy which it was not when it was sitting on the 
laptop's hard disk.

I don't put anything on the RAMDrive that I need to be sure that it will 
be preserved over a crash. Windows 7 is pretty stable but not perfect.

I suspect that it would be good for a test database where you have lots 
of tables but not much data and want to refresh it frequently. Putting 
the seed data on the RAMDrive would seem to make a lot of sense since it 
is made up of a lot of files that need to be opened and read.
I would make sure that I did my mods to config files and seed data using 
a master copy on a physical drive so you do not lose work if the 
RAMDrive suddenly disappears in a crash.

I have never had the RAMDrive fail on its own but I have had Windows 
lock up  where a forced reboot was required.
I would love to put my Eclipse Workspace on the RAMDrive.
I did at first and it really made Eclipse fun to use but when I lost a 
1/2 days work in a crash, I decided that I could stand a bit of a 
slowdown in return for peace of mind.

This should be faster than an SSD but it is small and takes memory from 
A bigger memory configuration backed by a SSD harddrive would be my wish 
for my next PC. I would probably still use a RAMDrive to get that extra 
bit of snappiness in Eclipse.


On 21/09/2015 5:58 PM, Gabriel Oberreuter wrote:
> Ron, which tool are you using for the ram driver? Are you on linux or
> windows? I am on Windows.
> I want to give it a try, thanks!
> --
> View this message in context: http://ofbiz.135035.n4.nabble.com/using-H2-database-for-accelerated-development-tp4672568p4672575.html
> Sent from the OFBiz - User mailing list archive at Nabble.com.

Ron Wheeler
Artifact Software Inc
email: rwheeler@artifact-software.com
skype: ronaldmwheeler
phone: 866-970-2435, ext 102

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