我在我的 EC2 Amazon 机器上设置了 Cassandra、OpsCenter 和所需的 DataStax 代理。目前只有一台机器。
一切似乎都运行良好,除了节点列表是空的,Opscenter 中的键空间也是如此。cassandra、datastax 和 opscenter 日志显示没有错误,我仔细遵循了安装/配置。然后尝试了所有建议的修复。
我的猜测是问题在于代理和 opscenter 之间的通信。
一段时间后,这些请求失败:
etc/cassandra/cassandra.yaml:( 简化)
cluster_name: 'CassandraCluster'
seed_provider:
- class_name: org.apache.cassandra.locator.SimpleSeedProvider
parameters:
- seeds: "1.2.3.4"
listen_address: 1.2.3.4
rpc_address: 0.0.0.0
endpoint_snitch: Ec2Snitch
etc/opscenter/opscenterd.conf:( 简化)
[webserver]
port = 81
interface = 0.0.0.0
[authentication]
enabled = False
[stat_reporter]
[agents]
use_ssl = false
var/lib/datastax-agent/conf/address.yaml:( 简化)
stomp_interface: 1.2.3.4
local_interface: 1.2.3.4
use_ssl: 0
nodetool状态输出:
Note: Ownership information does not include topology; for complete information, specify a keyspace
Datacenter: eu-west_1_cassandra
===============================
Status=Up/Down
|/ State=Normal/Leaving/Joining/Moving
-- Address Load Tokens Owns Host ID Rack
UN 1.2.3.4 2.06 MB 256 100.0% 8a121c12-7cbf-4a2a-b111-4ad111c111d8 1a
除了在 agent.log 中重复出现以下行之外,日志中并没有什么真正奇怪的地方出现:
INFO [install-location-finder] 2015-03-11 15:26:04,690 New JMX connection (127.0.0.1:7199)
INFO [install-location-finder] 2015-03-11 15:27:04,698 New JMX connection (127.0.0.1:7199)
INFO [install-location-finder] 2015-03-11 15:28:04,709 New JMX connection (127.0.0.1:7199)
INFO [install-location-finder] 2015-03-11 15:29:04,716 New JMX connection (127.0.0.1:7199)
INFO [install-location-finder] 2015-03-11 15:30:04,724 New JMX connection (127.0.0.1:7199)
INFO [install-location-finder] 2015-03-11 15:31:04,731 New JMX connection (127.0.0.1:7199)
要在此处提供所有信息是日志: