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Merge remote-tracking branch 'tor-github/pr/1034' into maint-0.3.5

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teor 2019-08-12 09:50:42 +10:00
commit e5be039494
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2 changed files with 6 additions and 1 deletions
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4
changes/ticket29617 Normal file
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@ -0,0 +1,4 @@
o Minor bugfixes (out-of-memory handler):
- When purging the DNS cache because of an out-of-memory condition,
try purging just the older entries at first. Previously, we would
purge the whole thing. Fixes bug 29617; bugfix on 0.3.5.1-alpha.

3
src/feature/relay/dns.c
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@ -2130,7 +2130,8 @@ dns_cache_handle_oom(time_t now, size_t min_remove_bytes)
current_size -= bytes_removed;
total_bytes_removed += bytes_removed;
time_inc += 3600; /* Increase time_inc by 1 hour. */
/* Increase time_inc by a reasonable fraction. */
time_inc += (MAX_DNS_TTL_AT_EXIT / 4);
} while (total_bytes_removed < min_remove_bytes);
return total_bytes_removed;