Elasticsearch Performance Optimization

#系统默认的最大打开文件数的限制vi/etc/security/limits.conf *           Nproc          50240   *           nofile          20480 #65535 &nbsp ;*                -        npro             20480*                -        nofile           65535*                -        memlock         unlimited     #尽量不用交换空间 # set to 1 instead of 0 is mostly likely to occur when memory is full and will kill the program/etc/sysctl.confvm.swappiness = 1  #关闭swapswapoff/dev/Mapper/vg_ "hostname"-lv_swap   #调整每个进程最多可以打开的文件数量和上面的vi/etc/security/limits.conf conflict. But it's all right vi/etc/profileulimit-sh unlimitedulimit-u unlimitedulimit-i unlimitedulimit-l unlimitedulimit-n 204800& nbsp;  #关闭磁盘文件访问时间 don't know how to get   #调整es memory using VI elasticsearch\bin\service\elasticsearch.conf#heap_size set to 60% of physical memory Around.. set.default.es_heap_size= 4620# #分配给es的最小内存 Let MIN = = max suggest what to do, let the GC run up set.default.es_min_mem=4620# #分配给es的最大内存   set.default.es_max_mem=4620    #replicas set to 0 vi elasticsearch/config/ elasticsearch.index.number_of_replicas:0#### and so on index finish. Dynamic execution under put _all/_settings{   "index"  : {                   "Number_of_replicas"  :1             }}###    ## Additional Optimizations for profiles discovery.zen.ping.multicast.enabled:falsediscovery.zen.ping.unicast.hosts: ["172.30.1.71", " 172.30.1.72 ","172.30.1.52"] indices.memory.index_buffer_size:  30%indices.reovery.max_bytes_per_sec:10gb    index.merge.policy.max_merged_segment:10gbindex.merge.scheduler.max_thread_count: 3index.merge.scheduler.max_merge_count:6 index.refresh_interval:30s index.translog.flush_threshold_ size:5gbindex.translog.flush_threshold_ops:50000   index.cache.field.type:  softindex.cache.field.max_size: 50000index.cache.field.expire: 10mindex.fielddata.cache:soft  http://stackoverflow.com/questions/28193076/optimize-elasticsearch-jvmhttps://discuss.elastic.co/t/ miracle-g1-settings-for-30gb-heaps/25271

Elasticsearch Performance Optimization