def test_no_eviction_impact_on_cbas(self):
self.log.info("Create dataset")
self.cbas_util.create_dataset_on_bucket(self.cb_bucket_name,
self.cbas_dataset_name)
self.log.info("Connect to Local link")
self.cbas_util.connect_link()
self.log.info("Add documents until ram percentage")
self.load_document_until_ram_percentage()
self.log.info("Fetch current document count")
bucket_helper = BucketHelper(self.master)
item_count = bucket_helper.get_bucket(
self.cb_bucket_name).stats.itemCount
self.log.info("Completed base load with %s items" % item_count)
self.log.info("Load more until we are out of memory")
client = SDKClient(hosts=[self.master.ip],
bucket=self.cb_bucket_name,
password=self.master.rest_password)
i = item_count
insert_success = True
while insert_success:
insert_success = client.insert_document("key-id" + str(i),
'{"name":"dave"}')
i += 1
self.log.info('Memory is full at {0} items'.format(i))
self.log.info("As a result added more %s items" % (i - item_count))
self.log.info("Fetch item count")
stats = bucket_helper.get_bucket(self.cb_bucket_name).stats
itemCountWhenOOM = stats.itemCount
memoryWhenOOM = stats.memUsed
self.log.info('Item count when OOM {0} and memory used {1}'.format(
itemCountWhenOOM, memoryWhenOOM))
self.log.info("Validate document count on CBAS")
count_n1ql = self.rest.query_tool(
'select count(*) from %s' %
(self.cb_bucket_name))['results'][0]['$1']
self.assertTrue(self.cbas_util.validate_cbas_dataset_items_count(
self.cbas_dataset_name, count_n1ql),
msg="Count mismatch on CBAS")
def test_nru_eviction_impact_on_cbas(self):
self.log.info("Create dataset")
self.cbas_util.create_dataset_on_bucket(self.cb_bucket_name,
self.cbas_dataset_name)
self.log.info("Connect to Local link")
self.cbas_util.connect_link()
self.log.info("Add documents until ram percentage")
self.load_document_until_ram_percentage()
self.log.info("Fetch current document count")
bucket_helper = BucketHelper(self.master)
item_count = bucket_helper.get_bucket(
self.cb_bucket_name).stats.itemCount
self.log.info("Completed base load with %s items" % item_count)
self.log.info(
"Fetch initial inserted 100 documents, so they are not removed")
client = SDKClient(hosts=[self.master.ip],
bucket=self.cb_bucket_name,
password=self.master.rest_password)
for i in range(100):
client.get("test_docs-" + str(i))
self.log.info("Add 20% more items to trigger NRU")
for i in range(item_count, int(item_count * 1.2)):
client.insert_document("key-id" + str(i), '{"name":"dave"}')
self.log.info("Validate document count on CBAS")
count_n1ql = self.rest.query_tool(
'select count(*) from %s' %
(self.cb_bucket_name))['results'][0]['$1']
if self.cbas_util.validate_cbas_dataset_items_count(
self.cbas_dataset_name, count_n1ql):
pass
else:
self.log.info(
"Document count mismatch might be due to ejection of documents on KV. Retry again"
)
count_n1ql = self.rest.query_tool(
'select count(*) from %s' %
(self.cb_bucket_name))['results'][0]['$1']
self.assertTrue(self.cbas_util.validate_cbas_dataset_items_count(
self.cbas_dataset_name, count_n1ql),
msg="Count mismatch on CBAS")
def wait_for_vbuckets_ready_state(node,
bucket,
timeout_in_seconds=300,
log_msg='',
admin_user='******',
admin_pass='******'):
start_time = time.time()
end_time = start_time + timeout_in_seconds
ready_vbuckets = {}
log = logger.get("infra")
rest = RestConnection(node)
# servers = rest.get_nodes()
bucket_conn = BucketHelper(node)
bucket_conn.vbucket_map_ready(bucket, 60)
vbucket_count = len(bucket_conn.get_vbuckets(bucket))
vbuckets = bucket_conn.get_vbuckets(bucket)
obj = VBucketAwareMemcached(rest, bucket, info=node)
memcacheds, vbucket_map, vbucket_map_replica = obj.request_map(
rest, bucket)
#Create dictionary with key:"ip:port" and value: a list of vbuckets
server_dict = defaultdict(list)
for everyID in range(0, vbucket_count):
memcached_ip_port = str(vbucket_map[everyID])
server_dict[memcached_ip_port].append(everyID)
while time.time() < end_time and len(ready_vbuckets) < vbucket_count:
for every_ip_port in server_dict:
#Retrieve memcached ip and port
ip, port = every_ip_port.split(":")
client = MemcachedClient(ip, int(port), timeout=30)
client.vbucket_count = len(vbuckets)
bucket_info = bucket_conn.get_bucket(bucket)
versions = rest.get_nodes_versions(logging=False)
pre_spock = False
for version in versions:
if "5" > version:
pre_spock = True
if pre_spock:
log.info("Atleast 1 of the server is on pre-spock "
"version. Using the old ssl auth to connect to "
"bucket.")
client.sasl_auth_plain(
bucket_info.name.encode('ascii'),
bucket_info.saslPassword.encode('ascii'))
else:
client.sasl_auth_plain(admin_user, admin_pass)
bucket = bucket.encode('ascii')
client.bucket_select(bucket)
for i in server_dict[every_ip_port]:
try:
(a, b, c) = client.get_vbucket_state(i)
except mc_bin_client.MemcachedError as e:
ex_msg = str(e)
if "Not my vbucket" in log_msg:
log_msg = log_msg[:log_msg.find("vBucketMap") +
12] + "..."
if e.status == memcacheConstants.ERR_NOT_MY_VBUCKET:
# May receive this while waiting for vbuckets, continue and retry...S
continue
log.error("%s: %s" % (log_msg, ex_msg))
continue
except exceptions.EOFError:
# The client was disconnected for some reason. This can
# happen just after the bucket REST API is returned (before
# the buckets are created in each of the memcached processes.)
# See here for some details: http://review.couchbase.org/#/c/49781/
# Longer term when we don't disconnect clients in this state we
# should probably remove this code.
log.error(
"got disconnected from the server, reconnecting")
continue
if c.find("\x01") > 0 or c.find("\x02") > 0:
ready_vbuckets[i] = True
elif i in ready_vbuckets:
log.warning(
"vbucket state changed from active to {0}".format(
c))
del ready_vbuckets[i]
client.close()
return len(ready_vbuckets) == vbucket_count