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https://issues.apache.org/jira/browse/FLUME-2942?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15372573#comment-15372573
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Sebastian Alfers commented on FLUME-2942:
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Hi [~mpercy] , thanks for you reply.
This is our config:
# AGENT SETTINGS
agent1.channels = ch1
agent1.sources = thriftSrc spool
agent1.sinks = kafka fileroll
agent1.sinkgroups = g1
# MEMORY CHANNEL
agent1.channels.ch1.type = memory
agent1.channels.ch1.capacity = 10000
agent1.channels.ch1.transactionCapacity = 500
# THRIFT (source)
agent1.sources.thriftSrc.type = thrift
agent1.sources.thriftSrc.channels = ch1
agent1.sources.thriftSrc.bind = 0.0.0.0
agent1.sources.thriftSrc.port = 4042
# SPOOLDIR (source)
agent1.sources.spool.type = spooldir
agent1.sources.spool.channels = ch1
agent1.sources.spool.spoolDir = /opt/flume-ng/failover/spool
agent1.sources.spool.fileHeader = true
agent1.sources.spool.deserializer = AVRO
agent1.sources.thriftSrc.threads = 150
agent1.sinks.kafka.channel = ch1
agent1.sinks.kafka.type = org.apache.flume.sink.kafka.KafkaSink
agent1.sinks.kafka.batchSize = 50
agent1.sinks.kafka.brokerList =
plista590.plista.com:9092,plista591.plista.com:9092
#agent1.sinks.kafka.topic = HPTStream.raw
# FILE ROLL (failover sink)
agent1.sinks.fileroll.type = file_roll
agent1.sinks.fileroll.channel = ch1
agent1.sinks.fileroll.sink.directory = /opt/flume-ng/failover/data
agent1.sinks.fileroll.sink.serializer = avro_event
# FAILOVER GROUP
agent1.sinkgroups.g1.sinks = kafka fileroll
agent1.sinkgroups.g1.processor.type = failover
agent1.sinkgroups.g1.processor.priority.kafka = 10
agent1.sinkgroups.g1.processor.priority.fileroll = 5
agent1.sinkgroups.g1.processor.maxpenalty = 10000
Please look at the agent1.sources.spool.deserializer config. It refers to the
reference above.
Here, we use our FQCN to apply the fix.
> AvroEventDeserializer ignores header from spool source
> ------------------------------------------------------
>
> Key: FLUME-2942
> URL: https://issues.apache.org/jira/browse/FLUME-2942
> Project: Flume
> Issue Type: Bug
> Affects Versions: v1.6.0
> Reporter: Sebastian Alfers
>
> I have a spool file source and use avro for de-/serialization
> In detail, serialized events store the topic of the kafka sink in the header.
> When I load the events from the spool directory, the header are ignored.
> Please see:
> https://github.com/apache/flume/blob/caa64a1a6d4bc97be5993cb468516e9ffe862794/flume-ng-core/src/main/java/org/apache/flume/serialization/AvroEventDeserializer.java#L122
> You can see, it uses the whole event as body but does not distinguish between
> the header and body encoded by avro.
> Please verify that this is a bug.
> I fixed this but by using the record that stores header and body separately.
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