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https://issues.apache.org/jira/browse/FLINK-7643?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16192618#comment-16192618
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ASF GitHub Bot commented on FLINK-7643:
---------------------------------------
Github user aljoscha commented on a diff in the pull request:
https://github.com/apache/flink/pull/4776#discussion_r142880553
--- Diff:
flink-core/src/main/java/org/apache/flink/core/fs/FileSystemFactory.java ---
@@ -15,18 +15,19 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
+
package org.apache.flink.core.fs;
import org.apache.flink.annotation.PublicEvolving;
+import org.apache.flink.configuration.Configuration;
+
+import java.io.IOException;
+import java.net.URI;
@PublicEvolving
-public interface HadoopFileSystemWrapper {
+public interface FileSystemFactory {
--- End diff --
Missing comments
> Configure FileSystems only once
> -------------------------------
>
> Key: FLINK-7643
> URL: https://issues.apache.org/jira/browse/FLINK-7643
> Project: Flink
> Issue Type: Bug
> Components: State Backends, Checkpointing
> Affects Versions: 1.4.0
> Reporter: Ufuk Celebi
> Assignee: Stephan Ewen
>
> HadoopFileSystem always reloads GlobalConfiguration, which potentially leads
> to a lot of noise in the logs, because this happens on each checkpoint.
> Instead, file systems should be configured once upon process startup, when
> the configuration is loaded.
> This will also increase efficiency of checkpoints, as it avoids redundant
> parsing for each data chunk.
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