Add debug information. (arangodb#16307)

Lars Maier · web-flow · commit 35dc0a357850 · 2022-05-19T16:45:24.000+02:00
diff --git a/arangod/RocksDBEngine/Methods/RocksDBTrxMethods.cpp b/arangod/RocksDBEngine/Methods/RocksDBTrxMethods.cpp
@@ -212,6 +212,13 @@ Result RocksDBTrxMethods::triggerIntermediateCommit() {
 
   ++_state->statistics()._intermediateCommits;
 
+  TRI_IF_FAILURE("logAfterIntermediateCommit") {
+    LOG_DEVEL << "_numInserts = " << _numInserts
+              << " _numUpdates = " << _numUpdates
+              << " _numRemoves = " << _numRemoves
+              << " _numLogdata = " << _numLogdata;
+  }
+
   // reset counters for DML operations, but intentionally don't reset
   // the commit counter, as we need to track if we had intermediate commits
   _numInserts = 0;
diff --git a/tests/js/client/shell/shell-transaction-intermediate-commit-cluster.js b/tests/js/client/shell/shell-transaction-intermediate-commit-cluster.js
@@ -232,6 +232,7 @@ function transactionIntermediateCommitsSingleSuite() {
       debugSetFailAt(leader, "noIntermediateCommits");
       // turn on intermediate commits on follower
       debugClearFailAt(follower, "noIntermediateCommits");
+      debugSetFailAt(follower, "logAfterIntermediateCommit");
       
       let droppedFollowersBefore = getMetric(leader, "arangodb_dropped_followers_total");
       let intermediateCommitsBefore = getMetric(follower, "arangodb_intermediate_commits_total");
@@ -266,7 +267,9 @@ function transactionIntermediateCommitsSingleSuite() {
     
       let intermediateCommitsAfter = getMetric(follower, "arangodb_intermediate_commits_total");
       assertEqual(intermediateCommitsBefore + 10, intermediateCommitsAfter);
-      
+
+
+      debugClearFailAt(follower, "logAfterIntermediateCommit");
       assertInSync(leader, follower, shardId);
     },
     
