i hava a quesstion for it,when i have install x-pack6.0 and add
/usr/share/elasticsearch/bin/elasticsearch-plugin install x-pack
it's log of error,thanks
Nov 28 23:42:27 nginx systemd: Started Elasticsearch. Nov 28 23:42:27 nginx systemd: Starting Elasticsearch... Nov 28 23:42:28 nginx elasticsearch: OpenJDK 64-Bit Server VM warning: If the number of processors is expected to increase from one, then you should configure the number of parallel GC threads appropriately using -XX:ParallelGCThreads=N Nov 28 23:43:06 nginx elasticsearch: 2017-11-28 23:43:06,730 main ERROR IfAccumulatedFileSize contains an invalid element or attribute "age" Nov 28 23:43:32 nginx systemd: elasticsearch.service: main process exited, code=exited, status=1/FAILURE Nov 28 23:43:32 nginx systemd: Unit elasticsearch.service entered failed state. Nov 28 23:43:32 nginx systemd: elasticsearch.service failed.