Shared dictionary cannot retrieve stale data

[fairyqb]

Please see the following file example:
shm_stale_resty_test.lua.txt

If this line in the code is commented out, stale data cannot be retrieved from the shared dictionary.

line 12:
dict:set("init_dict", "init", 0)

[zhuizhuhaomeng]

@fairyqb

If this line in the code is commented out, stale data cannot be retrieved from the shared dictionary.

This is because the expired entry was reclaimed.
You add init_dict with 0 expired time which means it will not expire.
This entry at the LRU end prevents reclaiming expired entries.

[fairyqb]

@fairyqb

This is because the expired entry was reclaimed. You add init_dict with 0 expired time which means it will not expire. This entry at the LRU end prevents reclaiming expired entries.

This is a different key.

[zhuizhuhaomeng]

@fairyqb why did you reopen this issue?

[zhuizhuhaomeng]

You should move this issue to lua-nginx-module repository.