yes, i saw massive full GC ,so i change java -Xms10g -Xmx10g and there is another problem, shard1: 192.168.100.210:7001-leader 192.168.100.211:7001-replica
shard2: 192.168.100.211:7002:leader 192.168.100.212:7001:replica shard3: 192.168.100.210:7002:leader 192.168.100.212:7002:replica i shutdown 2 server,210:7001 and 210:7002, then i saw replica could't electing leader.i don't know why? and this appearance doesn't appear every time -- View this message in context: http://lucene.472066.n3.nabble.com/no-servers-hosting-shard-very-strange-tp4247349p4247518.html Sent from the Solr - User mailing list archive at Nabble.com.