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Changed default value of sendfile_max_chunk to 2m.

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The "sendfile_max_chunk" directive is important to prevent worker
monopolization by fast connections.  The 2m value implies maximum 200ms
delay with 100 Mbps links, 20ms delay with 1 Gbps links, and 2ms on
10 Gbps links.  It also seems to be a good value for disks.
This commit is contained in:
Maxim Dounin 2021-10-29 20:21:57 +03:00
parent b3b368184b
commit 5636e7f7b4
1 changed files with 1 additions and 1 deletions
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2
src/http/ngx_http_core_module.c
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@ -3720,7 +3720,7 @@ ngx_http_core_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
ngx_conf_merge_value(conf->internal, prev->internal, 0);
ngx_conf_merge_value(conf->sendfile, prev->sendfile, 0);
ngx_conf_merge_size_value(conf->sendfile_max_chunk,
prev->sendfile_max_chunk, 0);
prev->sendfile_max_chunk, 2 * 1024 * 1024);
ngx_conf_merge_size_value(conf->subrequest_output_buffer_size,
prev->subrequest_output_buffer_size,
(size_t) ngx_pagesize);