steps to reproduce 1. start three cache instances c1, c2, and c3 with DENY_READ_WRITES and REPL_SYNC configuration 2. on c1 write key 1 3. on c1 read all cache keys, this will return 1 4. on c2 write key 2 5. on c2 read all cache keys, this will return 1 and 2 6. cut the network communications between c1 and (c2,c3). c1 will not be able to communicate with c2 or c3 7. on c1 write key 11, this will return a time-out error 8. on c2 write key 22, this will return a time-out error 9. on c1 or c2 read all cache keys, this will return 1 and 2 10. fix the network between c1 and (c2,c3) 11. on c1 read all cache keys, this will return 1,2,11,22, with 11 and 22 been dirty reads