Yes, yanking the time around by more than the zookeeper timeout can cause havoc, since the system cannot reason about session guarantees. But moving the time around by a few seconds should be fine.
The changes for ACCUMULO-1572 might help. -Eric On Thu, Jul 25, 2013 at 11:03 PM, Ott, Charles H. <[email protected]>wrote: > I know this question may be a bit off topic for Accumulo, but I am curious > about Zookeeper and changing server time. Is it possible to correct the > clock on a server without zookeeper/hadoop/accumulo combination breaking on > a development VM with all three services running? Last time I tried to do > it, I believe zookeeper wasnt able to track sessions properly, and > everything failed to communicate. >
