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Bug #52457
closedD3N: when trying to write to cache object larger than the free disk space in cache lru_eviction() enters infinite loop
% Done:
0%
Source:
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Backport:
Regression:
No
Severity:
3 - minor
Reviewed:
Description
if `rgw_d3n_l1_datacache_size` is set by mistake to 1MB for example
logs similar to below can be sen in the rgw log to indicate that the problem is occuring
2021-08-30T17:30:15.947+0300 7ffe4bee7700 20 D3nDataCache: lru_eviction() 2021-08-30T17:30:15.947+0300 7ffe4bee7700 2 D3nDataCache: lru_eviction: del_entry=null_ptr 2021-08-30T17:30:15.947+0300 7ffe4bee7700 20 D3nDataCache: enter eviction, r=0 2021-08-30T17:30:15.947+0300 7ffe4bee7700 20 D3nDataCache: lru_eviction() 2021-08-30T17:30:15.947+0300 7ffe4bee7700 2 D3nDataCache: lru_eviction: del_entry=null_ptr 2021-08-30T17:30:15.947+0300 7ffe4bee7700 20 D3nDataCache: enter eviction, r=0 2021-08-30T17:30:15.947+0300 7ffe4bee7700 20 D3nDataCache: lru_eviction() 2021-08-30T17:30:15.947+0300 7ffe4bee7700 2 D3nDataCache: lru_eviction: del_entry=null_ptr 2021-08-30T17:30:15.947+0300 7ffe4bee7700 20 D3nDataCache: enter eviction, r=0 2021-08-30T17:30:15.947+0300 7ffe4bee7700 20 D3nDataCache: lru_eviction() 2021-08-30T17:30:15.947+0300 7ffe4bee7700 2 D3nDataCache: lru_eviction: del_entry=null_ptr 2021-08-30T17:30:15.947+0300 7ffe4bee7700 20 D3nDataCache: enter eviction, r=0 2021-08-30T17:30:15.947+0300 7ffe4bee7700 20 D3nDataCache: lru_eviction() 2021-08-30T17:30:15.947+0300 7ffe4bee7700 2 D3nDataCache: lru_eviction: del_entry=null_ptr 2021-08-30T17:30:15.947+0300 7ffe4bee7700 20 D3nDataCache: enter eviction, r=0 2021-08-30T17:30:15.947+0300 7ffe4bee7700 20 D3nDataCache: lru_eviction() 2021-08-30T17:30:15.947+0300 7ffe4bee7700 2 D3nDataCache: lru_eviction: del_entry=null_ptr 2021-08-30T17:30:15.947+0300 7ffe4bee7700 20 D3nDataCache: enter eviction, r=0 2021-08-30T17:30:15.947+0300 7ffe4bee7700 20 D3nDataCache: lru_eviction() 2021-08-30T17:30:15.947+0300 7ffe4bee7700 2 D3nDataCache: lru_eviction: del_entry=null_ptr 2021-08-30T17:30:15.947+0300 7ffe4bee7700 20 D3nDataCache: enter eviction, r=0 2021-08-30T17:30:15.947+0300 7ffe4bee7700 20 D3nDataCache: lru_eviction() 2021-08-30T17:30:15.947+0300 7ffe4bee7700 2 D3nDataCache: lru_eviction: del_entry=null_ptr 2021-08-30T17:30:15.947+0300 7ffe4bee7700 20 D3nDataCache: enter eviction, r=0 2021-08-30T17:30:15.947+0300 7ffe4bee7700 20 D3nDataCache: lru_eviction() 2021-08-30T17:30:15.947+0300 7ffe4bee7700 2 D3nDataCache: lru_eviction: del_entry=null_ptr 2021-08-30T17:30:15.947+0300 7ffe4bee7700 20 D3nDataCache: enter eviction, r=0 2021-08-30T17:30:15.947+0300 7ffe4bee7700 20 D3nDataCache: lru_eviction() 2021-08-30T17:30:15.947+0300 7ffe4bee7700 2 D3nDataCache: lru_eviction: del_entry=null_ptr 2021-08-30T17:30:15.947+0300 7ffe4bee7700 20 D3nDataCache: enter eviction, r=0 2021-08-30T17:30:15.947+0300 7ffe4bee7700 20 D3nDataCache: lru_eviction() 2021-08-30T17:30:15.947+0300 7ffe4bee7700 2 D3nDataCache: lru_eviction: del_entry=null_ptr 2021-08-30T17:30:15.947+0300 7ffe4bee7700 20 D3nDataCache: enter eviction, r=0 2021-08-30T17:30:15.947+0300 7ffe4bee7700 20 D3nDataCache: lru_eviction() 2021-08-30T17:30:15.947+0300 7ffe4bee7700 2 D3nDataCache: lru_eviction: del_entry=null_ptr 2021-08-30T17:30:15.947+0300 7ffe4bee7700 20 D3nDataCache: enter eviction, r=0 2021-08-30T17:30:15.947+0300 7ffe4bee7700 20 D3nDataCache: lru_eviction() 2021-08-30T17:30:15.947+0300 7ffe4bee7700 2 D3nDataCache: lru_eviction: del_entry=null_ptr
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