Python VBucketAwareMemcached.observe方法代码示例

# 需要导入模块: from memcached.helper.data_helper import VBucketAwareMemcached [as 别名]
# 或者: from memcached.helper.data_helper.VBucketAwareMemcached import observe [as 别名]
    def do_basic_ops(self):

        KEY_NAME = 'key1'
        KEY_NAME2 = 'key2'
        CAS = 1234
        self.log.info('Starting basic ops')


        rest = RestConnection(self.master)
        client = VBucketAwareMemcached(rest, 'default')
        mcd = client.memcached(KEY_NAME)

        # MB-17231 - incr with full eviction
        rc = mcd.incr(KEY_NAME, 1)
        print 'rc for incr', rc



        # MB-17289 del with meta


        rc = mcd.set(KEY_NAME, 0,0, json.dumps({'value':'value2'}))
        print 'set is', rc
        cas = rc[1]


        # wait for it to persist
        persisted = 0
        while persisted == 0:
                opaque, rep_time, persist_time, persisted, cas = client.observe(KEY_NAME)


        try:
            rc = mcd.evict_key(KEY_NAME)

        except MemcachedError as exp:
            self.fail("Exception with evict meta - {0}".format(exp) )

        CAS = 0xabcd
        # key, value, exp, flags, seqno, remote_cas

        try:
            #key, exp, flags, seqno, cas
            rc = mcd.del_with_meta(KEY_NAME2, 0, 0, 2, CAS)



        except MemcachedError as exp:
            self.fail("Exception with del_with meta - {0}".format(exp) )

# 需要导入模块: from memcached.helper.data_helper import VBucketAwareMemcached [as 别名]
# 或者: from memcached.helper.data_helper.VBucketAwareMemcached import observe [as 别名]
    def _run_observe(self):
        tasks = []
        query_set = "true"
        persisted = 0
        mutated = False
        count = 0
        for bucket in self.buckets:
            self.cluster.create_view(self.master, self.default_design_doc,
                                      self.default_view, bucket , self.wait_timeout * 2)
            client = VBucketAwareMemcached(RestConnection(self.master), bucket)
            self.max_time = timedelta(microseconds=0)
            if self.mutate_by == "multi_set":
                key_val = self._create_multi_set_batch()
                client.setMulti(0, 0, key_val)
            keys = ["observe%s" % (i) for i in xrange(self.num_items)]
            for key in keys:
                mutated = False
                while not mutated and count < 60:
                    try:
                        if self.mutate_by == "set":
                            # client.memcached(key).set(key, 0, 0, "set")
                            client.set(key, 0, 0, "setvalue")
                        elif self.mutate_by == "append":
                            client.memcached(key).append(key, "append")
                        elif self.mutate_by == "prepend" :
                            client.memcached(key).prepend(key, "prepend")
                        elif self.mutate_by == "incr":
                            client.memcached(key).incr(key, 1)
                        elif self.mutate_by == "decr":
                            client.memcached(key).decr(key)
                        mutated = True
                        t_start = datetime.now()
                    except MemcachedError as error:
                        if error.status == 134:
                            loaded = False
                            self.log.error("Memcached error 134, wait for 5 seconds and then try again")
                            count += 1
                            time.sleep(5)
                while persisted == 0:
                    opaque, rep_time, persist_time, persisted, cas = client.observe(key)
                t_end = datetime.now()
                self.log.info("##########key:-%s################" % (key))
                self.log.info("Persisted:- %s" % (persisted))
                self.log.info("Persist_Time:- %s" % (rep_time))
                self.log.info("Time2:- %s" % (t_end - t_start))
                if self.max_time <= (t_end - t_start):
                    self.max_time = (t_end - t_start)
                    self.log.info("Max Time taken for observe is :- %s" % self.max_time)
                    self.log.info("Cas Value:- %s" % (cas))
            query = {"stale" : "false", "full_set" : "true", "connection_timeout" : 60000}
            self.cluster.query_view(self.master, "dev_Doc1", self.default_view.name, query, self.num_items, bucket, timeout=self.wait_timeout)
            self.log.info("Observe Validation:- view: %s in design doc dev_Doc1 and in bucket %s" % (self.default_view, bucket))
            # check whether observe has to run with delete and delete parallel with observe or not
            if len (self.observe_with) > 0 :
                if self.observe_with == "delete" :
                    self.log.info("Deleting 0- %s number of items" % (self.num_items / 2))
                    self._load_doc_data_all_buckets('delete', 0, self.num_items / 2)
                    query_set = "true"
                elif self.observe_with == "delete_parallel":
                    self.log.info("Deleting Parallel 0- %s number of items" % (self.num_items / 2))
                    tasks = self._async_load_doc_data_all_buckets('delete', 0, self.num_items / 2)
                    query_set = "false"
                for key in keys:
                    opaque, rep_time, persist_time, persisted, cas = client.memcached(key).observe(key)
                    self.log.info("##########key:-%s################" % (key))
                    self.log.info("Persisted:- %s" % (persisted))
                if self.observe_with == "delete_parallel":
                    for task in tasks:
                        task.result()

                query = {"stale" : "false", "full_set" : query_set, "connection_timeout" : 60000}
                self.cluster.query_view(self.master, "dev_Doc1", self.default_view.name, query, self.num_items / 2, bucket, timeout=self.wait_timeout)
                self.log.info("Observe Validation:- view: %s in design doc dev_Doc1 and in bucket %s" % (self.default_view, self.default_bucket_name))

        """test_observe_basic_data_load_delete will test observer basic scenario