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comparison src/http/modules/ngx_http_upstream_hash_module.c @ 7124:3b4fa572d56d

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Upstream hash: reordered peer checks. This slightly reduces cost of selecting a peer if all or almost all peers failed, see ticket #1030. There should be no measureable difference with other workloads.
author Maxim Dounin <mdounin@mdounin.ru>
date Thu, 05 Oct 2017 17:43:05 +0300
parents 6c52b24fcf8e
children ed599ea6c1f1
comparison
equal deleted inserted replaced
7123:6c52b24fcf8e 7124:3b4fa572d56d
541 541
542 if (peer->down) { 542 if (peer->down) {
543 continue; 543 continue;
544 } 544 }
545 545
546 if (peer->server.len != server->len
547 || ngx_strncmp(peer->server.data, server->data, server->len)
548 != 0)
549 {
550 continue;
551 }
552
553 if (peer->max_fails 546 if (peer->max_fails
554 && peer->fails >= peer->max_fails 547 && peer->fails >= peer->max_fails
555 && now - peer->checked <= peer->fail_timeout) 548 && now - peer->checked <= peer->fail_timeout)
556 { 549 {
557 continue; 550 continue;
558 } 551 }
559 552
560 if (peer->max_conns && peer->conns >= peer->max_conns) { 553 if (peer->max_conns && peer->conns >= peer->max_conns) {
554 continue;
555 }
556
557 if (peer->server.len != server->len
558 || ngx_strncmp(peer->server.data, server->data, server->len)
559 != 0)
560 {
561 continue; 561 continue;
562 } 562 }
563 563
564 peer->current_weight += peer->effective_weight; 564 peer->current_weight += peer->effective_weight;
565 total += peer->effective_weight; 565 total += peer->effective_weight;