I would suggest to log a daycare ticket so that someone from support team can look at it dedicatedly. Messages here might not help but this would need a thorough analysis on the state of the system

no this should be a shot in the wild. Your Okta team can provide the corrrect SLO (SAML logOut) URL you need put in the config.(1) depicts what a SAML configs looks like along with SLO url(1) :  Demonstration of AEM and SAML integration

Is it an IDP initiated flow ? /siteadmin for the path parameter for the SAML config instance suggests that.  If it is, this is expected as the logout would redirect you to system/sling/logout amd then drop the credentials

Can you provide the saml config or let me know if logout handler is checked and logout url is for saml annd /sling/logout.html?maybe collect a HAR trace and send it to me for review

Once newrelic archive is unzipped, you would just need add the jvm argument to include the new relic agent or bind it to cq5 process more like (1)(1) : java -javaagent:<Path_to_newrelic.jar> -jar cq5-author-4502.jar

No, this is the correct status for reindexing and indexstats show that it is initiation phase and would be in running state and next completedwait for the reindexing to be completed and recheck these later

You'll have to check the Async IndexStats bean which would give you better idea why this is repeating ? Go to system/console/jmx > Indexstats (async) and see at the bottom of the screen

Maybe you can put the default value to <site> for path predicate at (1)(1) : http://HOST:PORT/libs/cq/core/content/tools/customsearch.html/conf/global/settings/dam/search/facets/assets/jcr:con…

Time it would take for reindexing would be dependent on the content and type of content you have. Once the reindex is complete, You can go check the indexStats Jmx mbean  in the felix console or crxde for that index and reindex=false flag would be set

Go with the we.retail implementation (1) as Geometrixx has been deprecated and structure is now based on Language masters and so on. (1) : Reusing Content: Multi Site Manager and Live Copy