From: Olivier Doucet <webmas...@ajeux.com> when using "option prefer-last-server", we may not always stay on the same backend if option balance told us otherwise. For example, backend may change in the following cases: balance hdr() balance rdp-cookie balance source balance uri balance url_param --- src/backend.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/src/backend.c b/src/backend.c index 57f811f..26c1cc6 100644 --- a/src/backend.c +++ b/src/backend.c @@ -564,12 +564,14 @@ int assign_server(struct stream *s) objt_server(conn->target) && __objt_server(conn->target)->proxy == s->be && ((s->txn && s->txn->flags & TX_PREFER_LAST) || ((s->be->options & PR_O_PREF_LAST) && + (s->be->lbprm.algo & BE_LB_KIND) != BE_LB_KIND_HI && (!s->be->max_ka_queue || server_has_room(__objt_server(conn->target)) || (__objt_server(conn->target)->nbpend + 1) < s->be->max_ka_queue))) && srv_is_usable(__objt_server(conn->target))) { /* This stream was relying on a server in a previous request - * and the proxy has "option prefer-last-server" set, so + * and the proxy has "option prefer-last-server" set + * and balance algorithm dont tell us to do otherwise, so * let's try to reuse the same server. */ srv = __objt_server(conn->target); -- 1.7.1