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使用redis集群,偶现发生moved,然后连接不上,执行报错 #2000
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看代码找问题。 如果无法建立新连接,检查最大文件数。 cc @sundream |
根据日志定位到cluster.lua文件里rediscluster:call(...)函数,看到发生moved,返回了正确的ip和端口,但是再次执行 这里的err打印../skynet/lualib/skynet/socketchannel.lua:482: MOVED 1918 172.16.2.207:6379,然后重试结束后抛出错误。检查发现key也确实在172.16.2.207这个节点, 查看文件描述符大小 |
需要提前计算节点ID
yfengworld ***@***.***> 于2024年11月25日周一 17:35写道:
… 看代码找问题。
如果无法建立新连接,检查最大文件数。
cc @sundream <https://github.com/sundream>
根据日志定位到cluster.lua文件里rediscluster:call(...)函数,看到发生moved,返回了正确的ip和端口,但是再次执行
local result = {pcall(function ()
-- TODO: use pipelining to send asking and save a rtt.
if asking then
conn:asking()
end
asking = false
local func = conn[cmd]
return func(conn,table.unpack(argv,2))
end)}
local ok = result[1]
if not ok then
err = table.unpack(result,2)
err = tostring(err)
syslog.error("rediscluster socket error %s", err)
这里的err打印../skynet/lualib/skynet/socketchannel.lua:482: MOVED 1918
172.16.2.207:6379,然后重试结束后抛出错误。检查发现key也确实在172.16.2.207这个节点
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什么意思? |
大概率你没连接所有的节点 |
因为开了一定数量的公会服务处理公会,每个服务连接一个redis集群。怀疑是连接太多。公会服务压缩后,问题不再出现。但是不确定具体的原因 |
错误日志:
[:0000009a][ERROR][00:00:45.45][err_handle.lua:7] ../skynet/lualib/skynet/db/redis/cluster.lua:407: Too many Cluster redirections?,maybe node is disconnected (last error: " 15067 172.16.2.67:6379")
stack traceback:
../src/share/libs/err_handle.lua:6: in function 'err_handle.error_handler'
[C]: in function 'error'
../skynet/lualib/skynet/db/redis/cluster.lua:407: in function <../skynet/lualib/skynet/db/redis/cluster.lua:315>
(...tail calls...)
而且进程出现异常后,debug_console连接上马上就被关闭,无法使用
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