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GET _cluster/health?pretty… 文章目录 1集群状态节点在线情况集群参数配置2查看异常索引、分片分析异常原因手动分配分片 1集群状态节点在线情况集群参数配置
GET _cluster/health?pretty
# {
# cluster_name : my-es,
# status : green,
# timed_out : false,
# number_of_nodes : 3,
# number_of_data_nodes : 3,
# active_primary_shards : 917,
# active_shards : 1834,
# relocating_shards : 0,
# initializing_shards : 0,
# unassigned_shards : 0,
# delayed_unassigned_shards : 0,
# number_of_pending_tasks : 0,
# number_of_in_flight_fetch : 0,
# task_max_waiting_in_queue_millis : 0,
# active_shards_percent_as_number : 100.0
# }# 查看帮助GET _cat/nodes?help
GET _cat/nodes?v
GET _cat/nodes?vhip,name,version,disk.used_percent,ram.percent,cpu,file_desc.current,file_desc.max
# ip name version disk.used_percent ram.percent cpu file_desc.current file_desc.max
# 192.56.0.108 master-192.56.0.108 7.5.1 38.64 98 8 10894 65535
# 192.56.0.107 master-192.56.0.107 7.5.1 38.64 98 6 10895 65535
# 192.56.0.106 master-192.56.0.106 7.5.1 38.87 99 5 10998 65535
GET _nodes/stats/process?filter_path**.max_file_descriptors
# {
# nodes : {
# nXQsMpumSsC5zT818W7c4A : {
# process : {
# max_file_descriptors : 65535
# }
# },
# ...
# }#查看集群配置参数
GET _cluster/settings?include_defaultstruepretty
GET _cluster/settings?pretty
# {
# persistent : {
# cluster : {
# max_shards_per_node : 10000
# },
# search : {
# max_buckets : 100000
# }
# },
# transient : { }
# }2查看异常索引、分片分析异常原因手动分配分片
可能的问题 查看集群状态提示unassigned_shards 很多在kibana 可查看到某些索引状态为red
# 查看帮助GET _cat/indices?help
#GET _cat/indices?v
# 查看所有异常索引
GET _cat/indices?healthredGET _cat/shards?v
GET _cat/shards?vhindex,shard,state,unassigned.reason
GET _cat/shards/linux_2023_11?v
# index shard prirep state docs store ip node
# linux_2023_11 5 p STARTED 867480195 228.1gb 192.56.0.107 master-192.56.0.107
# linux_2023_11 5 r STARTED 867480195 228.1gb 192.56.0.108 master-192.56.0.108#找到分片状态为UNASSIGNED( 非STARTED ), 对未分配的分片序号查看原因
GET _cluster/allocation/explain
{index:linux_2023_11,shard:0,primary:true
}#统一设置重新分配分片
POST _cluster/reroute?retry_failedtrue
#如果还是该索引还是red, 分配不了,可以尝试手动重新分配
POST /_cluster/reroute
{commands: [{allocate_empty_primary: {index: linux_2023_11,shard: 1,node: master-192.56.0.107,accept_data_loss: true}}]
}
