Cluster Monitoring

http://${VEARCH_URL} is the vearch service.

Cluster Status

curl -XGET http://${VEARCH_URL}/cluster/stats

Health Status

curl -XGET http://${VEARCH_URL}/cluster/health

Server Status

curl -XGET http://${VEARCH_URL}/servers

Partition Status

curl -XGET http://${VEARCH_URL}/partitions

Clean lock

curl -XGET http://${VEARCH_URL}/clean_lock

The cluster will be locked when creating a table. If the service is abnormal during this process, the lock will not be released and will need to be manually cleared before a new table can be created.

Replica expansion and contraction

curl -XPOST -H "content-type: application/json"  -d'
{
    "partition_ids":[1],
    "node_id": 1,
    "method": 0
}
' http://${VEARCH_URL}/partition/change_member

method=0: Add a copy of shard id 1 on node id 1; method=1: Delete the copy of shard id 1 on node id 1.