This is the patch I made. I think this is the wrong place to do this. but in
the first place in worked.
diff --git a/src/osd/PrimaryLogPG.cc b/src/osd/PrimaryLogPG.cc
index 9fb22e0f9ee..69341840153 100644
--- a/src/osd/PrimaryLogPG.cc
+++ b/src/osd/PrimaryLogPG.cc
@@ -798,6 +798,10 @@ void PrimaryLogPG::maybe_force_recovery()
bool PrimaryLogPG::check_laggy(OpRequestRef& op)
{
+ if (!cct->_conf->osd_read_lease_enabled) {
+ // possibility to deactivate this feature.
+ return true;
+ }
if (!HAVE_FEATURE(recovery_state.get_min_upacting_features(),
SERVER_OCTOPUS)) {
dout(20) << __func__ << " not all upacting has SERVER_OCTOPUS" << dendl;
@@ -833,6 +837,10 @@ bool PrimaryLogPG::check_laggy(OpRequestRef& op)
bool PrimaryLogPG::check_laggy_requeue(OpRequestRef& op)
{
+ if (!cct->_conf->osd_read_lease_enabled) {
+ // possibility to deactivate this feature.
+ return true;
+ }
if (!HAVE_FEATURE(recovery_state.get_min_upacting_features(),
SERVER_OCTOPUS)) {
return true;
________________________________________
Von: Peter Lieven <[email protected]>
Gesendet: Mittwoch, 10. November 2021 11:37
An: Manuel Lausch; Sage Weil
Cc: [email protected]
Betreff: Re: [ceph-users] Re: OSD spend too much time on "waiting for readable"
-> slow ops -> laggy pg -> rgw stop -> worst case osd restart
Am 10.11.21 um 11:35 schrieb Manuel Lausch:
> oh shit,
>
> I patched in a switch to deactivate the read_lease feature. This is only a
> hack to test a bit around. But accidentally I had this switch enabled for my
> last tests done here in this mail-thread.
>
> The bad news. The require_osd_release doesn't fix the slow op problematic,
> only the increasing of the osdmap epochs are fixed.
> Unfortunately, even reduceing the paxos_prpopose_interval changes anything.
> My last tests with it was wrong due to my hack :-(
Would it be an option to make this hack a switch for all those who don't
require the read lease feature and are happy with reading from just the primary?
Peter
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