Setup debug logging for qa.full-cluster-restart

qa/full-cluster-restart/build.gradle

@@ -52,6 +52,9 @@ for (Version version : indexCompatVersions) {
     // some tests rely on the translog not being flushed
     setting 'indices.memory.shard_inactive_time', '20m'
 
+    // debug logging for testRecovery
+    setting 'logger.level', 'DEBUG'
+
     if (version.onOrAfter('5.3.0')) {
       setting 'http.content_type.required', 'true'
     }
@@ -72,6 +75,9 @@ for (Version version : indexCompatVersions) {
     // some tests rely on the translog not being flushed
     setting 'indices.memory.shard_inactive_time', '20m'
 
+    // debug logging for testRecovery
+    setting 'logger.level', 'DEBUG'
+
     numNodes = 2
     dataDir = { nodeNum -> oldClusterTest.nodes[nodeNum].dataDir }
     cleanShared = false // We want to keep snapshots made by the old cluster!
@@ -81,6 +87,7 @@ for (Version version : indexCompatVersions) {
     systemProperty 'tests.is_old_cluster', 'false'
     systemProperty 'tests.old_cluster_version', version.toString().minus("-SNAPSHOT")
     systemProperty 'tests.path.repo', new File(buildDir, "cluster/shared/repo")
+
   }
 
   Task versionBwcTest = tasks.create(name: "${baseName}#bwcTest") {