We have been using JBossCache in our application to distribute the state of our
system server to clients. It has and does work very well until today.
We had a problem overnight which took the number of objects in the cache to
over 45000. This is not a problem in that we started the apps up with extra
memory and everything appeared to work.
The problem we are having is that we take a view of the cache at some time
after our client application has started the cache. This time is dependant on
other processes that need to be brought up, but up until today, there has been
enough time for the cache to replicate (we are using REPL_SYNC).
Today though as the cache was so large, replication was still in progress when
we started to take a view of the objects that were in the cache, and the cache
reported that there were none. New objects raised in to the cache appear but we
never go back a pre-populate the views with data that has appeared when
replication completes.
This is the problem we are having. How do you know when replication has
completed?
We start the cache, but can not seem to find any event we can tag on to so as
to be informed that replication has completed. Can this be done? Is there
another way?
Below is how we start the cache.
| public CacheManager( final InputStream is, final String clusterName )
throws Exception
| {
| PropertyConfigurator configurator = new PropertyConfigurator();
| TreeCache cache = new TreeCache();
|
| configurator.configure( cache, is );
| cache.setFetchStateOnStartup( true );
| if ( clusterName != null )
| {
| cache.setClusterName( clusterName );
| }
| cache.start();
| setTreeCache( cache );
| }
We are currently based on 1.24
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