Add VB high seqno to handle slow stream log message

Change-Id: I0d7ba05ecf399303cbce5312c09c69bfaa503b6c
Reviewed-on: http://review.couchbase.org/93489
Reviewed-by: Dave Rigby <[email protected]>
Tested-by: Build Bot <[email protected]>

Author: Tim Bradgate

engines/ep/src/dcp/stream.cc

@@ -1602,11 +1602,14 @@ bool ActiveStream::handleSlowStream() {
         ", "
         "lastSentSeqno : %" PRIu64
         ", "
+        "vBucketHighSeqno : %" PRIu64
+        ", "
         "isBackfillTaskRunning : %s",
         vb_,
         to_string(state_.load()).c_str(),
         lastReadSeqno.load(),
         lastSentSeqno.load(),
+        engine->getVBucket(vb_)->getHighSeqno(),
         isBackfillTaskRunning.load() ? "True" : "False");
 
     bool status = false;