查看nginx共享内存状态

查看nginx共享内存使用情况

location /lua_status {
      content_by_lua_block {
        local ngx_shared = ngx.shared
        local dicts = { "iask_ua","sogou_ua","dise_ua","hospital_xip","perip"}
        local re = {}
        for _,v in ipairs(dicts) do
          if ngx_shared[v] then
            re[v] = {}
            re[v]["free_space"] = ngx_shared[v]:free_space()
            re[v]["capacity"] = ngx_shared[v]:capacity()
            local _keys = ngx_shared[v]:get_keys(0)
            re[v]["keys_cnt"] = #_keys
          else
            re[v] = "error"
          end
        end
        ngx.say({code = "ok", msg = re})
      }

    }