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Re: Specific/GenericDatumReader performance and resolving decoders - Avro - [mail # user]
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...I think this approach makes sense, reader=writer is common. In addition to record fields, unions are affected. I have been thinking about the issue that resolving records is slow...
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Author: Scott Carey,
2012-04-19, 16:20
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Re: Avro + Snappy changing blocksize of snappy compression - Avro - [mail # user]
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...Try a range from smaller block sizes (4k) and up. 256K is a larger block size than many compression codecs are sensitive to. Also for reference, try it with the deflate codec at ...
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Author: Scott Carey,
2012-04-18, 21:18
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[ANNOUNCE] New Apache Avro PMC Member: Douglas Creager - Avro - [mail # user]
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...The Apache Avro PMC is pleased to announce that Douglas Creager is now part of the PMC. Congratulations and Thanks!...
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Author: Scott Carey,
2012-04-10, 19:48
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Re: Sync Marker Issue while reading AVRO files writen with FLUME with PIG - Avro - [mail # user]
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...I have not seen this issue before with 100 TB of Avro files, but am not using Flume to write them. We have moved on to Avro 1.6.x but were on the 1.5.x line for quite some time. ...
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Author: Scott Carey,
2012-04-03, 16:23
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Re: AvroStorage/Avro Schema Question - Avro - [mail # user]
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...It appears as though the Avro to PigStorage schema translation names (in pig) all arrays ARRAY_ELEM. The nullable wrapper is 'visible' and the fiel d name is not moved onto the bag nam...
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Author: Scott Carey,
2012-04-02, 16:13
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Re: read a compressed avro file - Avro - [mail # user]
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...Reading an Avro file is the same for all compression types. The header of the file contains what compression codec is used and the schema for the data within it. A basic read may look ...
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Author: Scott Carey,
2012-04-02, 15:56
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Re: avro compression using snappy and deflate - Avro - [mail # user]
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... On 3/30/12 12:08 PM, "Shirahatti, Nikhil" wrote: Deflate is affected quite a bit by the compression level selected (1 to 9) in both performance and level of compression. &...
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Author: Scott Carey,
2012-04-02, 15:31
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Re: BigInt / longlong - Avro - [mail # user]
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...On 3/28/12 11:01 AM, "Meyer, Dennis" wrote: An unsigned value fits in a signed one. They are both 64 bits. Each language that supports a long unsigned type has its o...
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Author: Scott Carey,
2012-03-28, 18:43
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Re: Java MapReduce Avro Jackson Error - Avro - [mail # user]
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...What happens if you remove avro-tools entirely? What in there are you using? It is all command-line tools, if there is anything in there you need, you can use the equivalent Java...
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Author: Scott Carey,
2012-03-27, 03:25
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Re: Problem: java.io.IOException: java.lang.ArrayIndexOutOfBoundsException: 64 / avro.io.SchemaResolutionException: Can't access branch index 64 for union with 2 branches / `read_data': Writer's schema and Reader's schema ["string","null"] do not mat - Avro - [mail # user]
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...Avro Java's file writer[1] (the last several versions) rewinds its buffer i f there is an exception during writing, so if there are writes afterwords the file will not be corrupt. Howe...
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Author: Scott Carey,
2012-03-26, 15:55
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