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[BUG] Don't increment server connections too much + fix retries

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Commit 98937b8757 while fixing
one bug introduced another one. With "retries 4" and
"option redispatch" haproxy tries to connect 4 times to
one server server and 1 time to a second one. However
logs showed 5 connections to the first server (the
last one was counted twice) and 2 to the second.

This patch also fixes srv->retries and be->retries increments.

Now I get: 3 retries and 1 error in a first server (4 cum_sess)
and 1 error in a second server (1 cum_sess) with:
 retries 4
 option redispatch

and: 4 retries and 1 error (5 cum_sess) with:
 retries 4

So, the number of connections effectively served by a server is:
 srv->cum_sess - srv->failed_conns - srv->retries
This commit is contained in:
Krzysztof Piotr Oledzki 2008-02-04 02:10:09 +01:00 committed by Willy Tarreau
parent f58a962247
commit 626a19b66f
2 changed files with 4 additions and 6 deletions

5
src/backend.c
View File

@ -1341,17 +1341,12 @@ int srv_count_retry_down(struct session *t, int conn_err)
{
/* we are in front of a retryable error */
t->conn_retries--;
if (t->srv)
t->srv->retries++;
t->be->retries++;
if (t->conn_retries < 0) {
/* if not retryable anymore, let's abort */
tv_eternity(&t->req->cex);
srv_close_with_err(t, conn_err, SN_FINST_C,
503, error_message(t, HTTP_ERR_503));
if (t->srv)
t->srv->cum_sess++;
if (t->srv)
t->srv->failed_conns++;
t->be->failed_conns++;

5
src/proto_http.c
View File

@ -2628,7 +2628,6 @@ int process_srv(struct session *t)
task_wakeup(t->srv->queue_mgt);
if (t->srv) {
t->srv->cum_sess++;
t->srv->failed_conns++;
t->srv->redispatches++;
}
@ -2642,6 +2641,10 @@ int process_srv(struct session *t)
/* first, get a connection */
if (srv_redispatch_connect(t))
return t->srv_state != SV_STCONN;
} else {
if (t->srv)
t->srv->retries++;
t->be->retries++;
}
do {