Solr 3.1.0 core not reloading with RamDirectoryFactory

[nskmda]

Hello,

We just tried core reloading on a freshly installed Solr 3.1.0 with
RamDirectoryFactory.
It doesn't seem to happen.
With the FSDirectoryFactory everything works fine.

Looks like the RamDirectoryFactory implementation caches directory and if
it's available it doesn't really reopen it thus not having updated index
loaded into memory.

Can anyone comment on this?
Should we implement our own RamDirectoryFactory?

Here is the code snippet from Solr 3.1.0. It looks a bit confusing.

public Directory open(String path) throws IOException {
    synchronized (RAMDirectoryFactory.class) {
      RefCntRamDirectory directory = directories.get(path);
      if (directory == null || !directory.isOpen()) {
        directory = (RefCntRamDirectory) openNew(path);
        directories.put(path, directory);
      } else {
        directory.incRef();
      }

      return directory;
    }
  }


Regards,
Dmitry


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