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multi: use larger dns hash table for multi interface

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Have curl_multi_init() use a much larger DNS hash table than used for
the easy interface to scale and perform better when used with _many_
host names.

curl_share_init() sets an in-between size.

Inspired-by: Ivan Tsybulin
See #9340
Closes #9376
This commit is contained in:
Daniel Stenberg 2022-08-27 14:48:13 +02:00
parent c5c6e86783
commit 7632c0d25a
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7 changed files with 18 additions and 11 deletions
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lib/share.c
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@ -41,7 +41,7 @@ curl_share_init(void)
if(share) {
share->magic = CURL_GOOD_SHARE;
share->specifier |= (1<<CURL_LOCK_DATA_SHARE);
Curl_init_dnscache(&share->hostcache);
Curl_init_dnscache(&share->hostcache, 23);
}
return share;