[GitHub] [incubator-apisix] powermanlc opened a new issue #1768: whas does it mean core.lrucache.plugin_ctx()?

[GitBox <gi...@apache.org>]

powermanlc opened a new issue #1768:
URL: https://github.com/apache/incubator-apisix/issues/1768


   ### Issue description
   
   1.in plugin access stage,why must use lurcache get conf? actually params already provided.
   **example**
   ```
   function _M.access(conf, ctx)
       local lim, err = core.lrucache.plugin_ctx(plugin_name, ctx,
                                                 create_limit_obj, conf)
   ```
   `core.log.info("conf: ", cre.json.delay_encode(conf, true)) --can print conf info
   `
   
   2.lrucache in apisix,why must band plugin? why don't like redis set key value, this simple.
   **example**
   ```
   local data = cache:get(key)
   if not data then 
       data = core.etcd.get(key)
   end
   ```
   
   **remark**
   My english is not good.Too much forgiveness.
   
   ### Environment
   
   * apisix version (cmd: `apisix version`):1.3
   * OS:linux
   


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[GitHub] [incubator-apisix] powermanlc commented on issue #1768: whas does it mean core.lrucache.plugin_ctx()?

[GitBox <gi...@apache.org>]

powermanlc commented on issue #1768:
URL: https://github.com/apache/incubator-apisix/issues/1768#issuecomment-650089504


   I still have questions about cache. 
   **example**
   **key-auth.lua**
   ```
       local consumer_conf = consumer.plugin(plugin_name)
       if not consumer_conf then
           return 401, {message = "Missing related consumer"}
       end
   
       local consumers = core.lrucache.plugin(plugin_name, "consumers_key",
               consumer_conf.conf_version,
               create_consume_cache, consumer_conf)
   
   local create_consume_cache
   do
       local consumer_ids = {}
   
       function create_consume_cache(consumers)
           core.table.clear(consumer_ids)
   
           for _, consumer in ipairs(consumers.nodes) do
               core.log.info("consumer node: ", core.json.delay_encode(consumer))
               consumer_ids[consumer.auth_conf.key] = consumer
           end
   
           return consumer_ids
       end
   
   end -- do
   ```
   
   ![BWD_`ADI 6G4CM9Q%Q%U1AO](https://user-images.githubusercontent.com/12597423/85843608-faaf5b00-b7d3-11ea-8cfd-378409a0ac44.png)
   


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[GitHub] [incubator-apisix] membphis commented on issue #1768: whas does it mean core.lrucache.plugin_ctx()?

[GitBox <gi...@apache.org>]

membphis commented on issue #1768:
URL: https://github.com/apache/incubator-apisix/issues/1768#issuecomment-648768967


   I think the `lru` of APISIX is better, and it is simpler for the user.
   
   ![image](https://user-images.githubusercontent.com/6814606/85549203-5520ae00-b652-11ea-8b04-cea6af269664.png)
   
   take a look at this source code: https://github.com/apache/incubator-apisix/blob/master/apisix/core/lrucache.lua
   this test case file can help you: https://github.com/apache/incubator-apisix/blob/master/t/core/lrucache.t
   
   BTW, you can take a look at my video: https://www.upyun.com/opentalk/429.html
   
   For more information, you may love: https://github.com/apache/incubator-apisix/blob/master/README_CN.md#%E8%A7%86%E9%A2%91%E5%92%8C%E6%96%87%E7%AB%A0


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[GitHub] [incubator-apisix] powermanlc commented on issue #1768: whas does it mean core.lrucache.plugin_ctx()?

[GitBox <gi...@apache.org>]

powermanlc commented on issue #1768:
URL: https://github.com/apache/incubator-apisix/issues/1768#issuecomment-649355122


   Thank you very much.I will study these materials.Best wishes to you


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