MB-38444: Improve logging in RangeIteratorLL ctor

We miss to log the earlySnapEndSeqno and maxVisibleSeqno, which are
very important information at diagnostic.

Change-Id: Iec2fee448d9d0507e5d43b515f761eb10588289c
Reviewed-on: http://review.couchbase.org/c/kv_engine/+/143895
Well-Formed: Build Bot <[email protected]>
Tested-by: Build Bot <[email protected]>
Reviewed-by: Trond Norbye <[email protected]>

Author: paolococchi

engines/ep/src/linked_list.cc

@@ -588,10 +588,13 @@ BasicLinkedList::RangeIteratorLL::RangeIteratorLL(BasicLinkedList& ll,
                                : spdlog::level::level_enum::debug;
 
     EP_LOG_FMT(severity,
-               "{} Created range iterator from {} to {}",
+               "{} Created range iterator from {} to {}, earlySnapEndSeqno:{}, "
+               "maxVisibleSeqno:{}",
                list.vbid,
                itrRange.getBegin(),
-               itrRange.getEnd());
+               itrRange.getEnd(),
+               earlySnapShotEndSeqno,
+               maxVisibleSeqno);
 }
 
 BasicLinkedList::RangeIteratorLL::~RangeIteratorLL() {