Connect FilePulse | Connect Spooldir | Connect FileStreams | |
---|---|---|---|
Connector Type | source | source | source / sink |
License | Apache License 2.0 | Apache License 2.0 | Apache License 2.0 |
Available on Confluent Hub | YES | YES | YES |
Docker image | YES | NO | NO |
Delivery semantics | At-least-once | At-least-once | At-most-once |
Usable in production | YES | YES | NO |
Supported file formats(out-of-the box) | Delimited, Binary, JSON, Avro, XML (limited) | Delimited, JSON | Text file |
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public class DeduplicationTransformer<K, V, E> implements ValueTransformerWithKey<K, V, V> { | |
private ProcessorContext context; | |
private WindowStore<E, Long> eventIdStore; | |
private final String storeName; | |
private final KeyValueMapper<K, V, E> idExtractor; |
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package example; | |
import org.apache.kafka.common.serialization.Serdes; | |
import org.apache.kafka.streams.KafkaStreams; | |
import org.apache.kafka.streams.StreamsBuilder; | |
import org.apache.kafka.streams.Topology; | |
import org.apache.kafka.streams.kstream.KStream; | |
import org.apache.kafka.streams.kstream.Materialized; | |
import org.apache.kafka.streams.kstream.Produced; |
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group 'org.example' | |
version '1.0' | |
buildscript { | |
repositories { | |
jcenter() | |
} | |
dependencies { | |
classpath 'com.github.jengelman.gradle.plugins:shadow:6.1.0' | |
} |
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[ | |
{ | |
"name": "Count", | |
"partition_restore_infos": [ | |
{ | |
"starting_offset": 0, | |
"ending_offset": 0, | |
"total_restored": 0, | |
"duration": "PT0.102756S", | |
"partition": 0, |
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@Component | |
public class ServerSentEventsWordCountTopology | |
// (O) Extend EventStreamSupport or implement the EventStreamProvider interface | |
extends EventStreamSupport | |
implements TopologyProvider { | |
private EventStream<String, Long> wordCountStream; | |
public ServerSentEventsWordCountTopology() { | |
// (1) Create a new EventStream for word counts updates. |
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{ | |
"id": "appid:basic-word-count-0-8-0;appsrv:localhost:8080;ts:1600959526290", | |
"source": "arn://kafka=s0wwlkImS6CZ4SQ7gOM9eA/host=localhost/port=8080", | |
"subject": "arn://kafka=s0wwlkImS6CZ4SQ7gOM9eA/host=localhost/port=8080/streams=basic-word-count-0-8-0", | |
"specversion": "1.0", | |
"type": "io.streamthoughts.azkarra.streams.stateupdateevent", | |
"time": "2020-09-24T14:58:46.290+0000", | |
"datacontenttype": "application/json", | |
"data": { | |
"state": "RUNNING", |
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curl \ | |
-i -X PUT -H "Accept:application/json" \ | |
-H "Content-Type:application/json" http://localhost:8083/connectors/source-csv-filepulse-00/config \ | |
-d '{ | |
"connector.class":"io.streamthoughts.kafka.connect.filepulse.source.FilePulseSourceConnector", | |
"fs.scan.directory.path":"/tmp/kafka-connect/examples/", | |
"fs.scan.interval.ms":"10000", | |
"fs.scan.filters":"io.streamthoughts.kafka.connect.filepulse.scanner.local.filter.RegexFileListFilter", | |
"file.filter.regex.pattern":".*\\.csv$", | |
"task.reader.class": "io.streamthoughts.kafka.connect.filepulse.reader.RowFileInputReader", |
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{ | |
"id": "appid:word-count;appsrv:localhost:8080;ts:1588976019636", | |
"source": "azkarra/ks/localhost:8080", | |
"specversion": "1.0", | |
"type": "io.streamthoughts.azkarra.streams.stateupdateevent", | |
"time": "2020-05-08T22:13:39.636+0000", | |
"datacontenttype": "application/json", | |
"ioazkarramonitorintervalms": 10000, | |
"ioazkarrastreamsappid": "word-count", | |
"ioazkarraversion": "0.7.0", |
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{ | |
"config": { | |
"connector.class": "io.streamthoughts.kafka.connect.filepulse.source.FilePulseSourceConnector", | |
"filters": "GroupMultilineException, ParseLog4jLog", | |
"filters.GroupMultilineException.negate": "false", | |
"filters.GroupMultilineException.pattern": "^[\\t]", | |
"filters.GroupMultilineException.type": "io.streamthoughts.kafka.connect.filepulse.filter.MultiRowFilter", | |
"filters.ParseLog4jLog.match": "%{TIMESTAMP_ISO8601:logdate} %{LOGLEVEL:loglevel} %{GREEDYDATA:message}", | |
"filters.ParseLog4jLog.overwrite": "message", |
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