protected final void batchUpdate(@NonNull List<String> batchupdate) {
        ArrayList<String> sqls = new ArrayList<>(batchupdate);
        this.connection = connect();

        if (sqls.size() == 0)
            return;

        if (!hasStartWriteToDb)
            try {
                hasStartWriteToDb = true;
                final Statement batchStatement = this.connection.createStatement(ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_READ_ONLY);
                final int processedCount = sqls.size();

                // Prevent automatically sending db instructions
                this.connection.setAutoCommit(false);


                for (final String sql : sqls)
                    batchStatement.addBatch(sql);
                if (processedCount > 10_000)
                    CustomContainersMainClass.getInstance().sendLogMsg(Level.WARNING, "Updating your database (" + processedCount + " entries)... PLEASE BE PATIENT THIS WILL TAKE "
                            + (processedCount > 50_000 ? "10-20 MINUTES" : "5-10 MINUTES") + " - If server will print a crash report, ignore it, update will proceed.");

                // Set the flag to start time notifications timer
                batchUpdateGoingOn = true;

                // Notify console that progress still is being made
                new Timer().scheduleAtFixedRate(new TimerTask() {

                    @Override
                    public void run() {
                        if (batchUpdateGoingOn)
                            CustomContainersMainClass.getInstance().sendLogMsg(Level.WARNING, "Still executing, DO NOT SHUTDOWN YOUR SERVER.");
                        else
                            cancel();
                    }
                }, 1000 * 30, 1000 * 30);

                // Execute
                batchStatement.executeBatch();

                // This will block the thread
                this.connection.commit();

                CustomContainersMainClass.getInstance().sendLogMsg(Level.INFO, "Updated " + processedCount + " database entries.");

            } catch (final Throwable t) {
                t.printStackTrace();

            } finally {
                try {
                    this.connection.setAutoCommit(true);
                    this.connection.setAutoCommit(true);

                } catch (final SQLException ex) {
                    ex.printStackTrace();
                }
                hasStartWriteToDb = false;
                // Even in case of failure, cancel
                batchUpdateGoingOn = false;
            }
    }