Example #1
0
    def test_checkpoint02(self):
        done = threading.Event()
        self.session.create(
            self.uri,
            "key_format={},value_format={}".format(self.key_format,
                                                   self.value_format))

        if self.value_format == '8t':
            self.nops *= 2
            my_data = 97
        else:
            my_data = 'a' * self.dsize

        ckpt = checkpoint_thread(self.conn, done)
        work_queue = queue.Queue()
        opthreads = []
        try:
            ckpt.start()

            uris = list()
            uris.append(self.uri)
            for i in range(self.nops):
                if i % 191 == 0 and i != 0:
                    work_queue.put_nowait(('b', i + 1, my_data))
                work_queue.put_nowait(('i', i + 1, my_data))

            for i in range(self.nthreads):
                t = op_thread(self.conn, uris, self.key_format, work_queue,
                              done)
                opthreads.append(t)
                t.start()
        except:
            # Deplete the work queue if there's an error.
            while not work_queue.empty():
                work_queue.get()
                work_queue.task_done()
            raise
        finally:
            work_queue.join()
            done.set()
            for t in opthreads:
                t.join()
            ckpt.join()

        # Create a cursor - ensure all items have been put.
        cursor = self.session.open_cursor(self.uri, None, None)
        i = 1
        while True:
            nextret = cursor.next()
            if nextret != 0:
                break
            key = cursor.get_key()
            value = cursor.get_value()
            self.assertEqual(key, i)
            self.assertEqual(value, my_data)
            i += 1

        self.assertEqual(i, self.nops + 1)
Example #2
0
    def test_backup02(self):
        done = threading.Event()
        uris = list()
        uris.append(self.uri + str(1))
        uris.append(self.uri + str(2))
        uris.append(self.uri + str(3))
        for this_uri in uris:
            self.session.create(this_uri,
                                "key_format=" + self.fmt + ",value_format=S")
        # TODO: Ideally we'd like a checkpoint thread, separate to the backup
        # thread. Need a way to stop checkpoints while doing backups.


#        ckpt = checkpoint_thread(self.conn, done)
#        ckpt.start()
        bkp = backup_thread(self.conn, 'backup.dir', done)
        work_queue = queue.Queue()
        opthreads = []
        try:
            bkp.start()

            my_data = 'a' * self.dsize
            for i in range(self.nops):
                work_queue.put_nowait(('gi', i, my_data))

            for i in range(self.nthreads):
                t = op_thread(self.conn, uris, self.fmt, work_queue, done)
                opthreads.append(t)
                t.start()

            # Add 200 update entries into the queue every .1 seconds.
            more_time = self.time
            while more_time > 0:
                time.sleep(0.1)
                my_data = str(more_time) + 'a' * (self.dsize -
                                                  len(str(more_time)))
                more_time = more_time - 0.1
                for i in range(self.nops):
                    work_queue.put_nowait(('gu', i, my_data))
        except:
            # Deplete the work queue if there's an error.
            while not work_queue.empty():
                work_queue.get()
                work_queue.task_done()
            raise
        finally:
            work_queue.join()
            done.set()
            # Wait for checkpoint thread to notice status change.
            # ckpt.join()
            for t in opthreads:
                t.join()
            bkp.join()
Example #3
0
    def test_checkpoint02(self):
        done = threading.Event()
        self.session.create(self.uri,
            "key_format=" + self.fmt + ",value_format=S")
        ckpt = checkpoint_thread(self.conn, done)
        ckpt.start()

        uris = list()
        uris.append(self.uri)
        queue = Queue.Queue()
        my_data = 'a' * self.dsize
        for i in xrange(self.nops):
            if i % 191 == 0 and i != 0:
                queue.put_nowait(('b', i, my_data))
#            if i % 257 == 0 and i != 0:
#                queue.put_nowait(('t', i, my_data))
#            # Wait another 200 operations, then delete the above table. This
#            # not guarantee that the initial operations on the table will have
#            # been finished.
#            if (i - 100) % 257 == 0 and (i - 100) != 0:
#                queue.put_nowait(('d', i - 100, my_data))
            queue.put_nowait(('i', i, my_data))

        for i in xrange(self.nthreads):
            t = op_thread(self.conn, uris, self.fmt, queue, done)
            t.start()

        queue.join()
        done.set()
        # Wait for checkpoint thread to notice status change.
        while ckpt.is_alive():
            time.sleep(0.01)

        # Create a cursor - ensure all items have been put.
        cursor = self.session.open_cursor(self.uri, None, None)
        i = 0
        while True:
            nextret = cursor.next()
            if nextret != 0:
                break
            key = cursor.get_key()
            value = cursor.get_value()
            self.assertEqual(key, i)
            self.assertEqual(value, my_data)
            i += 1

        self.assertEqual(i, self.nops)
Example #4
0
    def test_concurrent_operations_with_backup(self):
        done = threading.Event()
        table_uri = 'table:' + self.uri

        # Create and populate the table.
        self.session.create(table_uri, "key_format=S,value_format=S")
        self.add_data(table_uri, 'key', 'value', True)

        work_queue = queue.Queue()
        t = op_thread(self.conn, [table_uri], self.key_fmt, work_queue, done)
        try:
            t.start()
            # Place create or drop operation into work queue.
            iteration = 0
            op = 't'
            for _ in range(0, self.ops):
                # Open backup cursor.
                bkup_c = self.session.open_cursor('backup:', None, None)
                work_queue.put_nowait((op, str(iteration), 'value'))

                all_files = self.take_full_backup(self.dir, bkup_c)
                if op == 't':
                    # Newly created table shouldn't be present in backup.
                    self.assertTrue(self.uri + str(iteration) +
                                    ".wt" not in all_files)
                    iteration = iteration + 1
                else:
                    # Dropped table should still be present in backup.
                    self.assertTrue(self.uri + str(iteration) +
                                    ".wt" in all_files)
                    iteration = iteration + 1
                bkup_c.close()
                # Once we reach midway point, start drop operations.
                if iteration == self.ops / 2:
                    iteration = 0
                    op = 'd'
        except:
            # Deplete the work queue if there's an error.
            while not work_queue.empty():
                work_queue.get()
                work_queue.task_done()
            raise
        finally:
            work_queue.join()
            done.set()
            t.join()
Example #5
0
    def test_backup02(self):
        done = threading.Event()
        uris = list()
        uris.append(self.uri + str(1))
        uris.append(self.uri + str(2))
        uris.append(self.uri + str(3))
        for this_uri in uris:
            self.session.create(this_uri,
                "key_format=" + self.fmt + ",value_format=S")
        # TODO: Ideally we'd like a checkpoint thread, separate to the backup
        # thread. Need a way to stop checkpoints while doing backups.
#        ckpt = checkpoint_thread(self.conn, done)
#        ckpt.start()
        bkp = backup_thread(self.conn, 'backup.dir', done)
        bkp.start()

        queue = Queue.Queue()
        my_data = 'a' * self.dsize
        for i in xrange(self.nops):
            queue.put_nowait(('gi', i, my_data))

        opthreads = []
        for i in xrange(self.nthreads):
            t = op_thread(self.conn, uris, self.fmt, queue, done)
            opthreads.append(t)
            t.start()

        # Add 200 update entries into the queue every .1 seconds.
        more_time = self.time
        while more_time > 0:
            time.sleep(0.1)
            my_data = str(more_time) + 'a' * (self.dsize - len(str(more_time)))
            more_time = more_time - 0.1
            for i in xrange(self.nops):
                queue.put_nowait(('gu', i, my_data))

        queue.join()
        done.set()
#        # Wait for checkpoint thread to notice status change.
#        ckpt.join()
        for t in opthreads:
            t.join()
        bkp.join()
    def test_checkpoint02(self):
        done = threading.Event()
        self.session.create(self.uri,
            "key_format=" + self.fmt + ",value_format=S")
        ckpt = checkpoint_thread(self.conn, done)
        ckpt.start()

        uris = list()
        uris.append(self.uri)
        queue = Queue.Queue()
        my_data = 'a' * self.dsize
        for i in xrange(self.nops):
            if i % 191 == 0 and i != 0:
                queue.put_nowait(('b', i, my_data))
            queue.put_nowait(('i', i, my_data))

        opthreads = []
        for i in xrange(self.nthreads):
            t = op_thread(self.conn, uris, self.fmt, queue, done)
            opthreads.append(t)
            t.start()

        queue.join()
        done.set()
        for t in opthreads:
            t.join()
        ckpt.join()

        # Create a cursor - ensure all items have been put.
        cursor = self.session.open_cursor(self.uri, None, None)
        i = 0
        while True:
            nextret = cursor.next()
            if nextret != 0:
                break
            key = cursor.get_key()
            value = cursor.get_value()
            self.assertEqual(key, i)
            self.assertEqual(value, my_data)
            i += 1

        self.assertEqual(i, self.nops)