Large variance in Memory Stats/ Fragmentation on a large cluster(14 nodes) in DGM.

Seeing a large variance in memory stats/fragmentation from the nodes in the following setup.

1.Setup a 14 node cluster
2.Load 32M(58G) items into the cluster, in DGM. Resident ratios - (80% active and 59% replica) with
-key-size(0.5-1k)

• set=1
  3.Continue mutations with larger key-sizes on existing items
  -key-size(1k-1.3k)
• set(0.15 to 0.2)

4.Rebalance -Out/Reboot of few nodes.

5.Continue mutations with larger key-sizes on existing items
-key-size(1k-1.3k)

• set(0.15 to 0.2)

6. Collecting memory stats to see any unexpected behaviours.

The following setup has been running for a few hours(6-7 hours).

Attaching the diags from the servers.