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Upstream: sendfile_max_chunk support.

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Previously, connections to upstream servers used sendfile() if it was
enabled, but never honored sendfile_max_chunk.  This might result
in worker monopolization for a long time if large request bodies
are allowed.
This commit is contained in:
Maxim Dounin 2021-10-29 20:21:54 +03:00
parent 6b0d773fbd
commit b3b368184b
2 changed files with 10 additions and 3 deletions
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4
src/core/ngx_output_chain.c
View File

@ -803,6 +803,10 @@ ngx_chain_writer(void *data, ngx_chain_t *in)
return NGX_ERROR;
}
if (chain && c->write->ready) {
ngx_post_event(c->write, &ngx_posted_next_events);
}
for (cl = ctx->out; cl && cl != chain; /* void */) {
ln = cl;
cl = cl->next;

9
src/http/ngx_http_upstream.c
View File

@ -1511,8 +1511,9 @@ ngx_http_upstream_check_broken_connection(ngx_http_request_t *r,
static void
ngx_http_upstream_connect(ngx_http_request_t *r, ngx_http_upstream_t *u)
{
ngx_int_t rc;
ngx_connection_t *c;
ngx_int_t rc;
ngx_connection_t *c;
ngx_http_core_loc_conf_t *clcf;
r->connection->log->action = "connecting to upstream";
@ -1599,10 +1600,12 @@ ngx_http_upstream_connect(ngx_http_request_t *r, ngx_http_upstream_t *u)
/* init or reinit the ngx_output_chain() and ngx_chain_writer() contexts */
clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
u->writer.out = NULL;
u->writer.last = &u->writer.out;
u->writer.connection = c;
u->writer.limit = 0;
u->writer.limit = clcf->sendfile_max_chunk;
if (u->request_sent) {
if (ngx_http_upstream_reinit(r, u) != NGX_OK) {