Getting 502 when Syncing

After we upgraded to 3.13 version, we have people having problems with syncing.
We are using docker-compose to deploy. Let me know if you need any other info

CouchDB logs:-
[error] **2022-09-08T19:35:**01.008264Z couchdb@127.0.0.1 <0.29920.39> a935381384 rexi_server: from: couchdb@127.0.0.1(<0.11829.40>) mfa: fabric_rpc:map_view/5 exit:timeout [{rexi,init_stream,1,[{file,“src/rexi.erl”},{line,265}]},{rexi,stream2,3,[{file,“src/rexi.erl”},{line,205}]},{fabric_rpc,view_cb,2,[{file,“src/fabric_rpc.erl”},{line,462}]},{couch_mrview,finish_fold,2,[{file,“src/couch_mrview.erl”},{line,682}]},{couch_mrview,query_view,5,[{file,“src/couch_mrview.erl”},{line,266}]},{rexi_server,init_p,3,[{file,“src/rexi_server.erl”},{line,140}]}]

[error] **2022-09-08T19:35:**01.008272Z couchdb@127.0.0.1 <0.8151.40> 379a5757d6 rexi_server: from: couchdb@127.0.0.1(<0.3692.40>) mfa: fabric_rpc:map_view/5 exit:timeout [{rexi,init_stream,1,[{file,“src/rexi.erl”},{line,265}]},{rexi,stream2,3,[{file,“src/rexi.erl”},{line,205}]},{fabric_rpc,view_cb,2,[{file,“src/fabric_rpc.erl”},{line,462}]},{couch_mrview,finish_fold,2,[{file,“src/couch_mrview.erl”},{line,682}]},{couch_mrview,query_view,5,[{file,“src/couch_mrview.erl”},{line,266}]},{rexi_server,init_p,3,[{file,“src/rexi_server.erl”},{line,140}]}]

[error] **2022-09-08T19:35:**01.008279Z couchdb@127.0.0.1 <0.8227.40> 1a98c90aed rexi_server: from: couchdb@127.0.0.1(<0.8335.40>) mfa: fabric_rpc:map_view/5 exit:timeout [{rexi,init_stream,1,[{file,“src/rexi.erl”},{line,265}]},{rexi,stream2,3,[{file,“src/rexi.erl”},{line,205}]},{fabric_rpc,view_cb,2,[{file,“src/fabric_rpc.erl”},{line,462}]},{couch_mrview,finish_fold,2,[{file,“src/couch_mrview.erl”},{line,682}]},{couch_mrview,query_view,5,[{file,“src/couch_mrview.erl”},{line,266}]},{rexi_server,init_p,3,[{file,“src/rexi_server.erl”},{line,140}]}]

[error] **2022-09-08T19:35:**01.008315Z couchdb@127.0.0.1 <0.8392.40> a7c7ffa948 rexi_server: from: couchdb@127.0.0.1(<0.8035.40>) mfa: fabric_rpc:map_view/5 exit:timeout [{rexi,init_stream,1,[{file,“src/rexi.erl”},{line,265}]},{rexi,stream2,3,[{file,“src/rexi.erl”},{line,205}]},{fabric_rpc,view_cb,2,[{file,“src/fabric_rpc.erl”},{line,462}]},{couch_mrview,finish_fold,2,[{file,“src/couch_mrview.erl”},{line,682}]},{couch_mrview,query_view,5,[{file,“src/couch_mrview.erl”},{line,266}]},{rexi_server,init_p,3,[{file,“src/rexi_server.erl”},{line,140}]}]

[error] **2022-09-08T19:35:**01.008339Z couchdb@127.0.0.1 <0.8802.40> 9c3def2f99 rexi_server: from: couchdb@127.0.0.1(<0.8464.40>) mfa: fabric_rpc:map_view/5 exit:timeout [{rexi,init_stream,1,[{file,“src/rexi.erl”},{line,265}]},{rexi,stream2,3,[{file,“src/rexi.erl”},{line,205}]},{fabric_rpc,view_cb,2,[{file,“src/fabric_rpc.erl”},{line,462}]},{couch_mrview,finish_fold,2,[{file,“src/couch_mrview.erl”},{line,682}]},{couch_mrview,query_view,5,[{file,“src/couch_mrview.erl”},{line,266}]},{rexi_server,init_p,3,[{file,“src/rexi_server.erl”},{line,140}]}]

[error] **2022-09-08T19:35:**01.009391Z couchdb@127.0.0.1 <0.8133.40> e83c135ddd rexi_server: from: couchdb@127.0.0.1(<0.7292.40>) mfa: fabric_rpc:map_view/5 exit:timeout [{rexi,init_stream,1,[{file,“src/rexi.erl”},{line,265}]},{rexi,stream2,3,[{file,“src/rexi.erl”},{line,205}]},{fabric_rpc,view_cb,2,[{file,“src/fabric_rpc.erl”},{line,462}]},{couch_mrview,finish_fold,2,[{file,“src/couch_mrview.erl”},{line,682}]},{couch_mrview,query_view,5,[{file,“src/couch_mrview.erl”},{line,266}]},{rexi_server,init_p,3,[{file,“src/rexi_server.erl”},{line,140}]}]

Hi @melema

Can you please check if your views are indexed?

@diana in a previous conversation with @melema he had confirmed that there did not appear to be any currently running indexing jobs in _active_tasks (though, @melema, maybe you could post the current _active_tasks here just in case @diana notices something we missed).

@diana is it possible for a view to not be indexed and Couch is not actively trying to index it?

Are the views accessible (query-able)?

Yes, in the sense that some clients have been able to successfully sync since the upgrade. The upgrade happened last Friday and as of now ~40% of users have been able to sync.