protected boolean shouldKillBeforeStoreUpdate() {
      final boolean kill = this.killBeforeStoreUpdate;
      if (this.toggleKillBeforeStoreUpdate) {
        this.killBeforeStoreUpdate = !kill;
        LOG.warn("Toggle KILL before store update to: " + this.killBeforeStoreUpdate);
      }
      return kill;
    }
Set when we want to fail AFTER state has been stored into the WAL. Rarely used. HBASE-20978
is about a case where memory-state was being set after store to WAL where a crash could cause
us to get stuck. This flag allows killing at what was a vulnerable time.
hbase-procedure/src/main/java/org/apache/hadoop/hbase/procedure2/ProcedureExecutor.java