RecordReaderFactory
Implementations: ScriptedReader
ReaderLookup
YamlTreeReader
CSVReader
AvroReader
SyslogReader
ProtobufReader
GrokReader
Syslog5424Reader
JsonPathReader
JsonTreeReader
XMLReader
CEFReader
ExcelReader
WindowsEventLogReader
Specifies the Controller Service to use for reading incoming data | Schema Cache Size | cache-size | 10 | | Specifies the number of schemas to cache. This value should reflect the expected number of different schemas that may be in the incoming FlowFiles. This ensures more efficient retrieval of the schemas and thus the processor performance. |
Relationships:
Name | Description |
---|
success | FlowFiles whose record schemas are successfully extracted will be routed to this relationship |
failure | If a FlowFile's record schema cannot be extracted from the configured input format, the FlowFile will be routed to this relationship |
Reads Attributes:
None specified.Writes Attributes:
Name | Description |
---|
record.error.message | This attribute provides on failure the error message encountered by the Reader. |
avro.schema | This attribute provides the schema extracted from the input FlowFile using the provided RecordReader. |
State management:
This component does not store state.Restricted:
This component is not restricted.Input requirement:
This component requires an incoming relationship.System Resource Considerations:
None specified.