Output so we can see build picks up the new version

Author: henningandersen

x-pack/plugin/blob-cache/src/main/java/org/elasticsearch/blobcache/shared/SharedBlobCacheService.java

@@ -1425,6 +1425,7 @@ private RangeMissingHandler metricRecordingWriter(RangeMissingHandler writer) {
             return new DelegatingRangeMissingHandler(writer) {
                 @Override
                 public SourceInputStreamFactory sharedInputStreamFactory(List<SparseFileTracker.Gap> gaps) {
+                    logger.info("recording write");
                     blobCacheMetrics.recordWrite();
                     return super.sharedInputStreamFactory(gaps);
                 }