[IMPORTANT] Re: upcoming changes to storage node

John Mazzitelli mazz at redhat.com
Wed Jul 10 19:23:06 UTC 2013


We will need someone to port that Linux script to Windows. Can someone volunteer for that?

If no one volunteers, we'll make Jay do it - I'll volunteer him and (since he isn't here to defend himself), I declare that he has accepted this assignment. :p

Unless someone wants to do the Windows port and let Jay off the hook. Its probably not hard - the script probably isn't anything complex.

----- Original Message -----
> 
> On Jul 10, 2013, at 11:05 AM, John Sanda < jsanda at redhat.com > wrote:
> 
> 
> 
> 
> I am in the process of removing native library dependencies from the
> Cassandra distribution we package with RHQ. This may impact RHQ 4.8 users as
> well as your dev-container. If Cassandra can load the native snappy library,
> which is the default compression library, it will use compression on all
> tables unless explicitly configured otherwise. We need to make sure
> compression is disabled on all tables. I have written a script in
> <rhq-src>/etc/scripts/rhq48-storage-patch that will temporarily apply a
> patch to your storage node so that compression can be turned off on all
> tables, including system tables.
> 
> Prior to committing/pushing the storage node changes, I reply to this email
> with instructions for running the script against your dev-container. The
> instructions will require rebuilding your dev-container; however, I have
> also made changes that allow the storage data directory to be left intact so
> you do not have to worry about data loss.
> 
> 
> Here are instructions for patching the dev-container.
> 
> 1. Run rhqctl stop to shutdown server, agent, and storage node
> 
> 2. In a terminal, cd to <rhq-src>/etc/scripts/rhq48-storage-patch
> 
> 3. Execute the patch script
> 
> $ ./rhq48-storage-patch.sh <rhq-server-dir> 127.0.0.1 9142 7299
> 
> The first argument should be the path to <dev-container>/rhq-server. The
> second argument is the storage node IP address. The 3rd argument is the CQL
> port, and last argument is the JMX port.
> 
> 4. After the script finishes and you pull my changes to the storage node, you
> can go ahead and rebuild the dev-container. You *do not* have to delete your
> storage data directory. The storage installer and dev-container build have
> been updated to allow you to install with non-empty data directories.
> 
> 
> [1]
> https://git.fedorahosted.org/cgit/rhq/rhq.git/commit/?id=d124d4589120090628c53c04c6767b948c7a270a
> 
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> 


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