[NO ISSUE]: Print partitions count alongside the partitions list

Change-Id: I5c0c12e03119151d797cf46bde7d9824a9ce27d7
Reviewed-on: https://asterix-gerrit.ics.uci.edu/c/asterixdb/+/18336
Integration-Tests: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Hussain Towaileb <hussainht@gmail.com>
Reviewed-by: Murtadha Hubail <mhubail@apache.org>
Tested-by: Hussain Towaileb <hussainht@gmail.com>
diff --git a/asterixdb/asterix-cloud/src/main/java/org/apache/asterix/cloud/AbstractCloudIOManager.java b/asterixdb/asterix-cloud/src/main/java/org/apache/asterix/cloud/AbstractCloudIOManager.java
index 175a061..4ca9f59 100644
--- a/asterixdb/asterix-cloud/src/main/java/org/apache/asterix/cloud/AbstractCloudIOManager.java
+++ b/asterixdb/asterix-cloud/src/main/java/org/apache/asterix/cloud/AbstractCloudIOManager.java
@@ -122,7 +122,7 @@
             partitionPaths.add(resolve(STORAGE_ROOT_DIR_NAME + File.separator + partitionDir));
         }
 
-        LOGGER.warn("Initializing cloud manager with storage partitions: {}", partitions);
+        LOGGER.warn("Initializing cloud manager with ({}) storage partitions: {}", partitions.size(), partitions);
 
         if (cleanup) {
             deleteUnkeptPartitionDirs(currentOnDiskPartitions);