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| <pre>public class <span class="typeNameLabel">CachingHadoopFileSystemFactory</span> |
| extends <a href="../../../../../org/apache/ignite/hadoop/fs/BasicHadoopFileSystemFactory.html" title="class in org.apache.ignite.hadoop.fs">BasicHadoopFileSystemFactory</a></pre> |
| <div class="block">Caching Hadoop file system factory. Caches <code>FileSystem</code> instances on per-user basis. Doesn't rely on |
| built-in Hadoop <code>FileSystem</code> caching mechanics. Separate <code>FileSystem</code> instance is created for each |
| user instead. |
| <p> |
| This makes cache instance resistant to concurrent calls to <code>FileSystem.close()</code> in other parts of the user |
| code. On the other hand, this might cause problems on some environments. E.g. if Kerberos is enabled, a call to |
| <code>FileSystem.get(URI, Configuration, String)</code> will refresh Kerberos token. But this factory implementation |
| calls this method only once per user what may lead to token expiration. In such cases it makes sense to either |
| use <a href="../../../../../org/apache/ignite/hadoop/fs/BasicHadoopFileSystemFactory.html" title="class in org.apache.ignite.hadoop.fs"><code>BasicHadoopFileSystemFactory</code></a> or implement your own factory.</div> |
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| <code><a href="../../../../../org/apache/ignite/hadoop/fs/BasicHadoopFileSystemFactory.html#get-java.lang.String-">get</a>, <a href="../../../../../org/apache/ignite/hadoop/fs/BasicHadoopFileSystemFactory.html#getConfigPaths--">getConfigPaths</a>, <a href="../../../../../org/apache/ignite/hadoop/fs/BasicHadoopFileSystemFactory.html#getUri--">getUri</a>, <a href="../../../../../org/apache/ignite/hadoop/fs/BasicHadoopFileSystemFactory.html#getUserNameMapper--">getUserNameMapper</a>, <a href="../../../../../org/apache/ignite/hadoop/fs/BasicHadoopFileSystemFactory.html#readExternal-java.io.ObjectInput-">readExternal</a>, <a href="../../../../../org/apache/ignite/hadoop/fs/BasicHadoopFileSystemFactory.html#setConfigPaths-java.lang.String...-">setConfigPaths</a>, <a href="../../../../../org/apache/ignite/hadoop/fs/BasicHadoopFileSystemFactory.html#setUri-java.lang.String-">setUri</a>, <a href="../../../../../org/apache/ignite/hadoop/fs/BasicHadoopFileSystemFactory.html#setUserNameMapper-org.apache.ignite.hadoop.util.UserNameMapper-">setUserNameMapper</a>, <a href="../../../../../org/apache/ignite/hadoop/fs/BasicHadoopFileSystemFactory.html#writeExternal-java.io.ObjectOutput-">writeExternal</a></code></li> |
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