15249 sync.pool (#16103)

* use sync.pool for session

* added back to sync pool

* reverted change

* added a new line

* added back session object

* added back session object

* added back session object

* revert

* refactored into function

* added the session object back into the pool

* work in progress

* work in progress

* work in progress

* code review comments

Co-authored-by: Arjuna Marambe <arjunam@buildxact.com>
Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

web/handlers.go

@@ -191,6 +191,8 @@ func (h Handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 
 	if token != "" && tokenLocation != app.TokenLocationCloudHeader {
 		session, err := c.App.GetSession(token)
+		defer app.ReturnSessionToPool(session)
+
 		if err != nil {
 			c.Logger.Info("Invalid session", mlog.Err(err))
 			if err.StatusCode == http.StatusInternalServerError {