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From "Ayub Khan (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (ATLAS-1153) When ATLAS_HOOK topic is not created by Atlas, it is not reading messages from the beginning
Date Thu, 01 Sep 2016 12:08:20 GMT

    [ https://issues.apache.org/jira/browse/ATLAS-1153?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15455195#comment-15455195
] 

Ayub Khan edited comment on ATLAS-1153 at 9/1/16 12:08 PM:
-----------------------------------------------------------

The issue is invalid, because my understanding was that - once topic is deleted and consumer
shutdown, offset info is lost, which is wrong. Zookeeper persists this information even after
topic delete and consumer shutdown. Below are the artifacts confirming the same. Thanks [~yhemanth]
for clarifying things.


Before deleting the topic, offset was set to 4
{noformat}
[root@atlas-pixie-dust-test-7-unsecure-1 bin]# ./kafka-consumer-groups.sh --zookeeper 172.22.74.193:2181,172.22.74.192:2181
--group atlas --describe
GROUP                          TOPIC                          PARTITION  CURRENT-OFFSET  LOG-END-OFFSET
 LAG             OWNER
atlas                          ATLAS_HOOK                     0          4               4
              0               atlas_atlas-pixie-dust-test-7-unsecure-1-1472727581515-775658b6-0
{noformat}

Deleting the topic now and stopping atlas service. Also checking the topic is deleted.
{noformat}
[root@atlas-pixie-dust-test-7-unsecure-1 bin]# ./kafka-topics.sh --zookeeper 172.22.74.193:2181,172.22.74.192:2181
--topic ATLAS_HOOK --delete
Topic ATLAS_HOOK is marked for deletion.
Note: This will have no impact if delete.topic.enable is not set to true.
[root@atlas-pixie-dust-test-7-unsecure-1 bin]# ./kafka-topics.sh --zookeeper 172.22.74.193:2181,172.22.74.192:2181
--list
ATLAS_ENTITIES
__consumer_offsets
[root@atlas-pixie-dust-test-7-unsecure-1 bin]# ./kafka-consumer-groups.sh --zookeeper 172.22.74.193:2181,172.22.74.192:2181
--group atlas --describe
GROUP                          TOPIC                          PARTITION  CURRENT-OFFSET  LOG-END-OFFSET
 LAG             OWNER
{noformat}

*Now, after creating some hive tables, topic is created and the LOG-END-OFFSET is marked to
2 but the CURRENT-OFFSET is marked to 4 which is from last status.*
{noformat}
[root@atlas-pixie-dust-test-7-unsecure-1 bin]# ./kafka-consumer-groups.sh --zookeeper 172.22.74.193:2181,172.22.74.192:2181
--group atlas --describe
GROUP                          TOPIC                          PARTITION  CURRENT-OFFSET  LOG-END-OFFSET
 LAG             OWNER
atlas                          ATLAS_HOOK                     0          4               2
              -2              none
[root@atlas-pixie-dust-test-7-unsecure-1 bin]# ./kafka-consumer-groups.sh --zookeeper 172.22.74.193:2181,172.22.74.192:2181
--group atlas --describe
GROUP                          TOPIC                          PARTITION  CURRENT-OFFSET  LOG-END-OFFSET
 LAG             OWNER
atlas                          ATLAS_HOOK                     0          4               2
              -2              none
[root@atlas-pixie-dust-test-7-unsecure-1 bin]#
{noformat}

Since CURRENT-OFFSET > LOG-END-OFFSET(out of range), offset is reset to 0. 
{noformat}
2016-09-01 11:52:55,075 INFO  - [ConsumerFetcherThread-atlas_atlas-pixie-dust-test-7-unsecure-1-1472730774042-e10d1980-0-1001:]
~ [ConsumerFetcherThread-atlas_atlas-pixie-dust-test-7-unsecure-1-1472730774042-e10d1980-0-1001],
Starting  (ConsumerFetcherThread:68)
2016-09-01 11:52:55,075 INFO  - [atlas_atlas-pixie-dust-test-7-unsecure-1-1472730774042-e10d1980-leader-finder-thread:]
~ [ConsumerFetcherManager-1472730774100] Added fetcher for partitions ArrayBuffer([[ATLAS_HOOK,0],
initOffset 4 to broker BrokerEndPoint(1001,atlas-pixie-dust-test-7-unsecure-1.openstacklocal,6667)]
) (ConsumerFetcherManager:68)
2016-09-01 11:52:55,139 INFO  - [main:] ~ Loading XML bean definitions from ServletContext
resource [/WEB-INF/applicationContext.xml] (XmlBeanDefinitionReader:315)
2016-09-01 11:52:55,184 ERROR - [ConsumerFetcherThread-atlas_atlas-pixie-dust-test-7-unsecure-1-1472730774042-e10d1980-0-1001:]
~ [ConsumerFetcherThread-atlas_atlas-pixie-dust-test-7-unsecure-1-1472730774042-e10d1980-0-1001],
Current offset 4 for partition [ATLAS_HOOK,0] out of range; reset offset to 0 (ConsumerFetcherThread:97)
2016-09-01 11:52:55,619 INFO  - [main:] ~ Loading XML bean definitions from class path resource
[spring-security.xml] (XmlBeanDefinitionReader:315)
{noformat}

So if the CURRENT_OFFSET is less than LOG-END-OFFSET, then this would result in reading messages
not from offset 0. 


was (Author: ayubkhan):
The issue is invalid, because my understanding was that - once topic is deleted and consumer
shutdown, offset info is lost, which is wrong. Zookeeper persists this information even after
topic delete and consumer shutdown. Below are the artifacts confirming the same. Thanks [~yhemanth]
for clarifying things.


Before deleting the topic, offset was set to 4
{noformat}
[root@atlas-pixie-dust-test-7-unsecure-1 bin]# ./kafka-consumer-groups.sh --zookeeper 172.22.74.193:2181,172.22.74.192:2181
--group atlas --describe
GROUP                          TOPIC                          PARTITION  CURRENT-OFFSET  LOG-END-OFFSET
 LAG             OWNER
atlas                          ATLAS_HOOK                     0          4               4
              0               atlas_atlas-pixie-dust-test-7-unsecure-1-1472727581515-775658b6-0
{noformat}

Deleting the topic now and stopping atlas service. Also checking the topic is deleted.
{noformat}
[root@atlas-pixie-dust-test-7-unsecure-1 bin]# ./kafka-topics.sh --zookeeper 172.22.74.193:2181,172.22.74.192:2181
--topic ATLAS_HOOK --delete
Topic ATLAS_HOOK is marked for deletion.
Note: This will have no impact if delete.topic.enable is not set to true.
[root@atlas-pixie-dust-test-7-unsecure-1 bin]# ./kafka-topics.sh --zookeeper 172.22.74.193:2181,172.22.74.192:2181
--list
ATLAS_ENTITIES
__consumer_offsets
[root@atlas-pixie-dust-test-7-unsecure-1 bin]# ./kafka-consumer-groups.sh --zookeeper 172.22.74.193:2181,172.22.74.192:2181
--group atlas --describe
GROUP                          TOPIC                          PARTITION  CURRENT-OFFSET  LOG-END-OFFSET
 LAG             OWNER
{noformat}

*Now, after creating some hive tables, topic is created and the LOG-END-OFFSET is marked to
2 but the CURRENT-OFFSET is marked to 4 which is from last status.*
{noformat}
[root@atlas-pixie-dust-test-7-unsecure-1 bin]# ./kafka-consumer-groups.sh --zookeeper 172.22.74.193:2181,172.22.74.192:2181
--group atlas --describe
GROUP                          TOPIC                          PARTITION  CURRENT-OFFSET  LOG-END-OFFSET
 LAG             OWNER
atlas                          ATLAS_HOOK                     0          4               2
              -2              none
[root@atlas-pixie-dust-test-7-unsecure-1 bin]# ./kafka-consumer-groups.sh --zookeeper 172.22.74.193:2181,172.22.74.192:2181
--group atlas --describe
GROUP                          TOPIC                          PARTITION  CURRENT-OFFSET  LOG-END-OFFSET
 LAG             OWNER
atlas                          ATLAS_HOOK                     0          4               2
              -2              none
[root@atlas-pixie-dust-test-7-unsecure-1 bin]#
{noformat}

Since CURRENT-OFFSET > LOG-END-OFFSET(out of range), offset is reset to 0. 
{noformat}
2016-09-01 11:52:55,075 INFO  - [ConsumerFetcherThread-atlas_atlas-pixie-dust-test-7-unsecure-1-1472730774042-e10d1980-0-1001:]
~ [ConsumerFetcherThread-atlas_atlas-pixie-dust-test-7-unsecure-1-1472730774042-e10d1980-0-1001],
Starting  (ConsumerFetcherThread:68)
2016-09-01 11:52:55,075 INFO  - [atlas_atlas-pixie-dust-test-7-unsecure-1-1472730774042-e10d1980-leader-finder-thread:]
~ [ConsumerFetcherManager-1472730774100] Added fetcher for partitions ArrayBuffer([[ATLAS_HOOK,0],
initOffset 4 to broker BrokerEndPoint(1001,atlas-pixie-dust-test-7-unsecure-1.openstacklocal,6667)]
) (ConsumerFetcherManager:68)
2016-09-01 11:52:55,139 INFO  - [main:] ~ Loading XML bean definitions from ServletContext
resource [/WEB-INF/applicationContext.xml] (XmlBeanDefinitionReader:315)
2016-09-01 11:52:55,184 ERROR - [ConsumerFetcherThread-atlas_atlas-pixie-dust-test-7-unsecure-1-1472730774042-e10d1980-0-1001:]
~ [ConsumerFetcherThread-atlas_atlas-pixie-dust-test-7-unsecure-1-1472730774042-e10d1980-0-1001],
Current offset 4 for partition [ATLAS_HOOK,0] out of range; reset offset to 0 (ConsumerFetcherThread:97)
2016-09-01 11:52:55,619 INFO  - [main:] ~ Loading XML bean definitions from class path resource
[spring-security.xml] (XmlBeanDefinitionReader:315)
{noformat}

> When ATLAS_HOOK topic is not created by Atlas, it is not reading messages from the beginning
> --------------------------------------------------------------------------------------------
>
>                 Key: ATLAS-1153
>                 URL: https://issues.apache.org/jira/browse/ATLAS-1153
>             Project: Atlas
>          Issue Type: Bug
>    Affects Versions: trunk
>            Reporter: Ayub Khan
>             Fix For: trunk
>
>
> When ATLAS_HOOK topic is not created by Atlas, it is not reading messages from the beginning
> Steps to repro: 
> 1. Stop atlas.
> 2. Delete ATLAS_HOOK Topic and check it is actually deleted.
> 3. Create some hive tables(more than 3, preferrable) from hive client.
> 4. Now check that ATLAS_HOOK topic is created and also has messages for above hive tables.
> 5. Now restart Atlas. Ideally Atlas should start consuming messages from offset '0' but
looks like it is consuming the latest one.
> I have also verified that 'auto.offset.reset' is set to 'smallest', which should ideally
force the consumer to read messages from offset '0'.
> {noformat}
> 2016-09-01 10:46:41,378 INFO  - [main:] ~ Property auto.commit.enable is overridden to
false (VerifiableProperties:68)
> 2016-09-01 10:46:41,379 INFO  - [main:] ~ Property auto.offset.reset is overridden to
smallest (VerifiableProperties:68)
> 2016-09-01 10:46:41,379 WARN  - [main:] ~ Property bootstrap.servers is not valid (VerifiableProperties:83)
> 2016-09-01 10:46:41,379 INFO  - [main:] ~ Property group.id is overridden to atlas (VerifiableProperties:68)
> 2016-09-01 10:46:41,379 WARN  - [main:] ~ Property hook.group.id is not valid (VerifiableProperties:83)
> 2016-09-01 10:46:41,379 WARN  - [main:] ~ Property key.deserializer is not valid (VerifiableProperties:83)
> 2016-09-01 10:46:41,380 WARN  - [main:] ~ Property key.serializer is not valid (VerifiableProperties:83)
> {noformat}
> Kafka commands
> {noformat}
> [root@atlas-pixie-dust-test-7-unsecure-1 bin]# ./kafka-topics.sh --zookeeper 172.22.74.193:2181,172.22.74.192:2181
--list
> ATLAS_ENTITIES
> ATLAS_HOOK
> __consumer_offsets
> [root@atlas-pixie-dust-test-7-unsecure-1 bin]# ./kafka-topics.sh --zookeeper 172.22.74.193:2181,172.22.74.192:2181
--topic ATLAS_HOOK --delete
> Topic ATLAS_HOOK is marked for deletion.
> Note: This will have no impact if delete.topic.enable is not set to true.
> [root@atlas-pixie-dust-test-7-unsecure-1 bin]# ./kafka-topics.sh --zookeeper 172.22.74.193:2181,172.22.74.192:2181
--list
> ATLAS_ENTITIES
> __consumer_offsets
> {noformat}
> Atlas logs showing initOffset set to 3, ideally this should be set to zero.
> {noformat}
> 2016-09-01 10:46:41,590 INFO  - [main:] ~ [atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c],
begin rebalancing consumer atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c
try #0 (ZookeeperConsumerConnector:68)
> 2016-09-01 10:46:41,841 INFO  - [main:] ~ [ConsumerFetcherManager-1472726801467] Stopping
leader finder thread (ConsumerFetcherManager:68)
> 2016-09-01 10:46:41,841 INFO  - [main:] ~ [ConsumerFetcherManager-1472726801467] Stopping
all fetchers (ConsumerFetcherManager:68)
> 2016-09-01 10:46:41,842 INFO  - [main:] ~ [ConsumerFetcherManager-1472726801467] All
connections stopped (ConsumerFetcherManager:68)
> 2016-09-01 10:46:41,843 INFO  - [main:] ~ [atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c],
Cleared all relevant queues for this fetcher (ZookeeperConsumerConnector:68)
> 2016-09-01 10:46:41,845 INFO  - [main:] ~ [atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c],
Cleared the data chunks in all the consumer message iterators (ZookeeperConsumerConnector:68)
> 2016-09-01 10:46:41,849 INFO  - [main:] ~ [atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c],
Releasing partition ownership (ZookeeperConsumerConnector:68)
> 2016-09-01 10:46:41,900 INFO  - [main:] ~ Starting round-robin assignment with consumers
ArrayBuffer(atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c) (RoundRobinAssignor:68)
> 2016-09-01 10:46:41,901 INFO  - [main:] ~ Consumer atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c
rebalancing the following partitions for topic ATLAS_HOOK: ArrayBuffer(0) (RoundRobinAssignor:68)
> 2016-09-01 10:46:41,955 INFO  - [main:] ~ [atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c],
atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c-0 successfully owned partition
0 for topic ATLAS_HOOK (ZookeeperConsumerConnector:68)
> 2016-09-01 10:46:41,985 INFO  - [main:] ~ [atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c],
Consumer atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c selected partitions
: ATLAS_HOOK:0: fetched offset = 3: consumed offset = 3 (ZookeeperConsumerConnector:68)
> 2016-09-01 10:46:41,994 INFO  - [main:] ~ [atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c],
end rebalancing consumer atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c try
#0 (ZookeeperConsumerConnector:68)
> 2016-09-01 10:46:41,997 INFO  - [atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c-leader-finder-thread:]
~ [atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c-leader-finder-thread],
Starting  (ConsumerFetcherManager$LeaderFinderThread:68)
> 2016-09-01 10:46:42,013 INFO  - [main:] ~ Initializing Spring root WebApplicationContext
(/:2052)
> 2016-09-01 10:46:42,014 INFO  - [NotificationHookConsumer thread-0:] ~ Atlas Server is
ready, can start reading Kafka events. (NotificationHookConsumer:305)
> 2016-09-01 10:46:42,022 INFO  - [main:] ~ Root WebApplicationContext: initialization
started (ContextLoader:272)
> 2016-09-01 10:46:42,058 INFO  - [atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c-leader-finder-thread:]
~ Verifying properties (VerifiableProperties:68)
> 2016-09-01 10:46:42,058 INFO  - [atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c-leader-finder-thread:]
~ Property client.id is overridden to atlas (VerifiableProperties:68)
> 2016-09-01 10:46:42,058 INFO  - [atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c-leader-finder-thread:]
~ Property metadata.broker.list is overridden to atlas-pixie-dust-test-7-unsecure-1.openstacklocal:6667,atlas-pixie-dust-test-7-unsecure-3.openstacklocal:6667
(VerifiableProperties:68)
> 2016-09-01 10:46:42,058 INFO  - [atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c-leader-finder-thread:]
~ Property request.timeout.ms is overridden to 30000 (VerifiableProperties:68)
> 2016-09-01 10:46:42,058 INFO  - [atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c-leader-finder-thread:]
~ Property security.protocol is overridden to PLAINTEXT (VerifiableProperties:68)
> 2016-09-01 10:46:42,092 INFO  - [atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c-leader-finder-thread:]
~ Fetching metadata from broker BrokerEndPoint(1001,atlas-pixie-dust-test-7-unsecure-1.openstacklocal,6667)
with correlation id 0 for 1 topic(s) Set(ATLAS_HOOK) (ClientUtils$:68)
> 2016-09-01 10:46:42,098 INFO  - [atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c-leader-finder-thread:]
~ Connected to atlas-pixie-dust-test-7-unsecure-1.openstacklocal:6667 for producing (SyncProducer:68)
> 2016-09-01 10:46:42,135 INFO  - [atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c-leader-finder-thread:]
~ Disconnecting from atlas-pixie-dust-test-7-unsecure-1.openstacklocal:6667 (SyncProducer:68)
> 2016-09-01 10:46:42,145 INFO  - [main:] ~ Refreshing Root WebApplicationContext: startup
date [Thu Sep 01 10:46:42 UTC 2016]; root of context hierarchy (XmlWebApplicationContext:503)
> 2016-09-01 10:46:42,181 INFO  - [ConsumerFetcherThread-atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c-0-1002:]
~ [ConsumerFetcherThread-atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c-0-1002],
Starting  (ConsumerFetcherThread:68)
> 2016-09-01 10:46:42,190 INFO  - [atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c-leader-finder-thread:]
~ [ConsumerFetcherManager-1472726801467] Added fetcher for partitions ArrayBuffer([[ATLAS_HOOK,0],
initOffset 3 to broker BrokerEndPoint(1002,atlas-pixie-dust-test-7-unsecure-3.openstacklocal,6667)]
) (ConsumerFetcherManager:68)
> {noformat}
> Steps to repro: 
> 1. Stop atlas.
> 2. Delete ATLAS_HOOK Topic and check it is actually deleted.
> 3. Create some hive tables(more than 3, preferrable) from hive client.
> 4. Now check that ATLAS_HOOK topic is created and also has messages for above hive tables.
> 5. Now restart Atlas. Ideally Atlas should start consuming messages from offset '0' but
looks like it is consuming the latest one.
> I have also verified that 'auto.offset.reset' is set to 'smallest', which should ideally
force the consumer to read messages from offset '0'.
> {noformat}
> 2016-09-01 10:46:41,378 INFO  - [main:] ~ Property auto.commit.enable is overridden to
false (VerifiableProperties:68)
> 2016-09-01 10:46:41,379 INFO  - [main:] ~ Property auto.offset.reset is overridden to
smallest (VerifiableProperties:68)
> 2016-09-01 10:46:41,379 WARN  - [main:] ~ Property bootstrap.servers is not valid (VerifiableProperties:83)
> 2016-09-01 10:46:41,379 INFO  - [main:] ~ Property group.id is overridden to atlas (VerifiableProperties:68)
> 2016-09-01 10:46:41,379 WARN  - [main:] ~ Property hook.group.id is not valid (VerifiableProperties:83)
> 2016-09-01 10:46:41,379 WARN  - [main:] ~ Property key.deserializer is not valid (VerifiableProperties:83)
> 2016-09-01 10:46:41,380 WARN  - [main:] ~ Property key.serializer is not valid (VerifiableProperties:83)
> {noformat}
> Kafka commands
> {noformat}
> [root@atlas-pixie-dust-test-7-unsecure-1 bin]# ./kafka-topics.sh --zookeeper 172.22.74.193:2181,172.22.74.192:2181
--list
> ATLAS_ENTITIES
> ATLAS_HOOK
> __consumer_offsets
> [root@atlas-pixie-dust-test-7-unsecure-1 bin]# ./kafka-topics.sh --zookeeper 172.22.74.193:2181,172.22.74.192:2181
--topic ATLAS_HOOK --delete
> Topic ATLAS_HOOK is marked for deletion.
> Note: This will have no impact if delete.topic.enable is not set to true.
> [root@atlas-pixie-dust-test-7-unsecure-1 bin]# ./kafka-topics.sh --zookeeper 172.22.74.193:2181,172.22.74.192:2181
--list
> ATLAS_ENTITIES
> __consumer_offsets
> {noformat}
> Atlas logs showing initOffset set to 3, ideally this should be set to zero.
> {noformat}
> 2016-09-01 10:46:41,590 INFO  - [main:] ~ [atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c],
begin rebalancing consumer atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c
try #0 (ZookeeperConsumerConnector:68)
> 2016-09-01 10:46:41,841 INFO  - [main:] ~ [ConsumerFetcherManager-1472726801467] Stopping
leader finder thread (ConsumerFetcherManager:68)
> 2016-09-01 10:46:41,841 INFO  - [main:] ~ [ConsumerFetcherManager-1472726801467] Stopping
all fetchers (ConsumerFetcherManager:68)
> 2016-09-01 10:46:41,842 INFO  - [main:] ~ [ConsumerFetcherManager-1472726801467] All
connections stopped (ConsumerFetcherManager:68)
> 2016-09-01 10:46:41,843 INFO  - [main:] ~ [atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c],
Cleared all relevant queues for this fetcher (ZookeeperConsumerConnector:68)
> 2016-09-01 10:46:41,845 INFO  - [main:] ~ [atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c],
Cleared the data chunks in all the consumer message iterators (ZookeeperConsumerConnector:68)
> 2016-09-01 10:46:41,849 INFO  - [main:] ~ [atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c],
Releasing partition ownership (ZookeeperConsumerConnector:68)
> 2016-09-01 10:46:41,900 INFO  - [main:] ~ Starting round-robin assignment with consumers
ArrayBuffer(atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c) (RoundRobinAssignor:68)
> 2016-09-01 10:46:41,901 INFO  - [main:] ~ Consumer atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c
rebalancing the following partitions for topic ATLAS_HOOK: ArrayBuffer(0) (RoundRobinAssignor:68)
> 2016-09-01 10:46:41,955 INFO  - [main:] ~ [atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c],
atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c-0 successfully owned partition
0 for topic ATLAS_HOOK (ZookeeperConsumerConnector:68)
> 2016-09-01 10:46:41,985 INFO  - [main:] ~ [atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c],
Consumer atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c selected partitions
: ATLAS_HOOK:0: fetched offset = 3: consumed offset = 3 (ZookeeperConsumerConnector:68)
> 2016-09-01 10:46:41,994 INFO  - [main:] ~ [atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c],
end rebalancing consumer atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c try
#0 (ZookeeperConsumerConnector:68)
> 2016-09-01 10:46:41,997 INFO  - [atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c-leader-finder-thread:]
~ [atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c-leader-finder-thread],
Starting  (ConsumerFetcherManager$LeaderFinderThread:68)
> 2016-09-01 10:46:42,013 INFO  - [main:] ~ Initializing Spring root WebApplicationContext
(/:2052)
> 2016-09-01 10:46:42,014 INFO  - [NotificationHookConsumer thread-0:] ~ Atlas Server is
ready, can start reading Kafka events. (NotificationHookConsumer:305)
> 2016-09-01 10:46:42,022 INFO  - [main:] ~ Root WebApplicationContext: initialization
started (ContextLoader:272)
> 2016-09-01 10:46:42,058 INFO  - [atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c-leader-finder-thread:]
~ Verifying properties (VerifiableProperties:68)
> 2016-09-01 10:46:42,058 INFO  - [atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c-leader-finder-thread:]
~ Property client.id is overridden to atlas (VerifiableProperties:68)
> 2016-09-01 10:46:42,058 INFO  - [atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c-leader-finder-thread:]
~ Property metadata.broker.list is overridden to atlas-pixie-dust-test-7-unsecure-1.openstacklocal:6667,atlas-pixie-dust-test-7-unsecure-3.openstacklocal:6667
(VerifiableProperties:68)
> 2016-09-01 10:46:42,058 INFO  - [atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c-leader-finder-thread:]
~ Property request.timeout.ms is overridden to 30000 (VerifiableProperties:68)
> 2016-09-01 10:46:42,058 INFO  - [atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c-leader-finder-thread:]
~ Property security.protocol is overridden to PLAINTEXT (VerifiableProperties:68)
> 2016-09-01 10:46:42,092 INFO  - [atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c-leader-finder-thread:]
~ Fetching metadata from broker BrokerEndPoint(1001,atlas-pixie-dust-test-7-unsecure-1.openstacklocal,6667)
with correlation id 0 for 1 topic(s) Set(ATLAS_HOOK) (ClientUtils$:68)
> 2016-09-01 10:46:42,098 INFO  - [atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c-leader-finder-thread:]
~ Connected to atlas-pixie-dust-test-7-unsecure-1.openstacklocal:6667 for producing (SyncProducer:68)
> 2016-09-01 10:46:42,135 INFO  - [atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c-leader-finder-thread:]
~ Disconnecting from atlas-pixie-dust-test-7-unsecure-1.openstacklocal:6667 (SyncProducer:68)
> 2016-09-01 10:46:42,145 INFO  - [main:] ~ Refreshing Root WebApplicationContext: startup
date [Thu Sep 01 10:46:42 UTC 2016]; root of context hierarchy (XmlWebApplicationContext:503)
> 2016-09-01 10:46:42,181 INFO  - [ConsumerFetcherThread-atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c-0-1002:]
~ [ConsumerFetcherThread-atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c-0-1002],
Starting  (ConsumerFetcherThread:68)
> 2016-09-01 10:46:42,190 INFO  - [atlas_atlas-pixie-dust-test-7-unsecure-1-1472726801437-dc09262c-leader-finder-thread:]
~ [ConsumerFetcherManager-1472726801467] Added fetcher for partitions ArrayBuffer([[ATLAS_HOOK,0],
initOffset 3 to broker BrokerEndPoint(1002,atlas-pixie-dust-test-7-unsecure-3.openstacklocal,6667)]
) (ConsumerFetcherManager:68)
> {noformat}



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