请问Fe-master内存利用率不断升高是怎么回事，之前的FE master节点升到了80%，重启后切换了master节点，仍然持续升高，版本是2.1.10。
jstat的OC近3小时上涨了一次
jmap如下
using thread-local object allocation.
Garbage-First (G1) GC with 23 thread(s)
Heap Configuration:
MinHeapFreeRatio = 40
MaxHeapFreeRatio = 70
MaxHeapSize = 32212254720 (30720.0MB)
NewSize = 1363144 (1.2999954223632812MB)
MaxNewSize = 19327352832 (18432.0MB)
OldSize = 5452592 (5.1999969482421875MB)
NewRatio = 2
SurvivorRatio = 8
MetaspaceSize = 21807104 (20.796875MB)
CompressedClassSpaceSize = 1073741824 (1024.0MB)
MaxMetaspaceSize = 17592186044415 MB
G1HeapRegionSize = 4194304 (4.0MB)
Heap Usage:
G1 Heap:
regions = 7680
capacity = 32212254720 (30720.0MB)
used = 9210880856 (8784.180503845215MB)
free = 23001373864 (21935.819496154785MB)
28.594337577621143% used
G1 Young Generation:
Eden Space:
regions = 26
capacity = 1493172224 (1424.0MB)
used = 109051904 (104.0MB)
free = 1384120320 (1320.0MB)
7.303370786516854% used
Survivor Space:
regions = 28
capacity = 117440512 (112.0MB)
used = 117440512 (112.0MB)
free = 0 (0.0MB)
100.0% used
G1 Old Generation:
regions = 2459
capacity = 29041360896 (27696.0MB)
used = 8984388440 (8568.180503845215MB)
free = 20056972456 (19127.819496154785MB)
30.936526949181165% used
