lowering log output in agencycomm

arangod/Agency/AgencyComm.cpp

@@ -612,7 +612,7 @@ std::string AgencyCommManager::redirect(
     << specification << ", url = " << rest;
   
   if (endpoint == specification) {
-    LOG_TOPIC(WARN, Logger::AGENCYCOMM)
+    LOG_TOPIC(DEBUG, Logger::AGENCYCOMM)
       << "got an agency redirect back to the old agency '" << endpoint << "'";
     failedNonLocking(std::move(connection), endpoint);
     return "";
@@ -632,7 +632,7 @@ std::string AgencyCommManager::redirect(
     std::remove(_endpoints.begin(), _endpoints.end(), specification),
     _endpoints.end());
   
-  LOG_TOPIC(WARN, Logger::AGENCYCOMM)
+  LOG_TOPIC(DEBUG, Logger::AGENCYCOMM)
     << "Got an agency redirect from '" << endpoint
     << "' to '" << specification << "'";
   
@@ -1360,15 +1360,9 @@ AgencyCommResult AgencyComm::sendWithFailover(
       return result;
     }
 
-    if (1 < tries) {
-      LOG_TOPIC(WARN, Logger::AGENCYCOMM)
-        << "Retrying agency communication at '" << endpoint
-        << "', tries: " << tries << " ("
-        << 1.e-2 * (
-          std::round(
-            1.e+2 * std::chrono::duration<double>(
-              std::chrono::steady_clock::now() - started).count())) << "s)";
-    }
+    double elapsed = 1.e-2 * (
+      std::round(1.e+2 * std::chrono::duration<double>(
+                   std::chrono::steady_clock::now() - started).count()));
 
     // try to send; if we fail completely, do not retry
     try {
@@ -1470,6 +1464,26 @@ AgencyCommResult AgencyComm::sendWithFailover(
       break;
     }
 
+    if (tries%50 == 0) {
+      LOG_TOPIC(WARN, Logger::AGENCYCOMM)
+        << "Bad agency communiction! Unsuccessful consecutive tries:"
+        << tries << " (" << elapsed << "s). Network checks needed!";
+    } else if (tries%15 == 0) {
+      LOG_TOPIC(INFO, Logger::AGENCYCOMM)
+        << "Flaky agency communication. Unsuccessful consecutive tries: "
+        << tries << " (" << elapsed << "s). Network checks advised.";
+    } 
+    
+    if (1 < tries) {
+      LOG_TOPIC(DEBUG, Logger::AGENCYCOMM)
+        << "Retrying agency communication at '" << endpoint
+        << "', tries: " << tries << " ("
+        << 1.e-2 * (
+          std::round(
+            1.e+2 * std::chrono::duration<double>(
+              std::chrono::steady_clock::now() - started).count())) << "s)";
+    }
+    
     // here we have failed and want to try next endpoint
     AgencyCommManager::MANAGER->failed(std::move(connection), endpoint);
     endpoint.clear();

js/server/tests/resilience/moving-shards-cluster.js

@@ -163,7 +163,7 @@ function MovingShardsSuite () {
       }
 
       if (!ok) {
-        console.info(
+        console.error(
           "Failed: Server " + id + " was not cleaned out. List of cleaned servers: ["
             + obj.cleanedServers + "]");
       }