disable sync filter
Revert "disable sync filter"

This reverts commit 50e21a505f9e6d22055361cd7ad249094d6ef8ed.
Merge branch 'master' of https://github.com/mhowansky/scow.git
Merge branch 'master' of https://github.com/mhowansky/scow.git
ThreadLocal
disable Sync filter
ThreadLocal