Hive overwhelming Elasticsearch

ip           heap.percent ram.percent cpu load_1m load_5m load_15m node.role  master name
192.168.4.63           75          33   0    0.20    0.05     0.02 cdfhilrstw -      es-d01
192.168.4.60           56          39   1    0.00    0.05     0.01 ilmr       -      es-m01
192.168.4.64           36          33   0    0.02    0.03     0.00 cdfhilrstw -      es-d02
192.168.4.62           61          28   0    0.00    0.00     0.00 ilmr       -      es-m03
192.168.4.61           20          29   0    0.00    0.00     0.01 ilmr       *      es-m02

but when i do the insert, i usually drop one of the data nodes.

odd thing is, if i do just one shard, it works fine, it's only when i do more than one.