[CARBONDATA-2976] Support dumping column chunk metadata in CarbonCli #2771
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Build Success with Spark 2.1.0, Please check CI http://136.243.101.176:8080/job/ApacheCarbonPRBuilder2.1/514/ |
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Build Failed with Spark 2.3.1, Please check CI http://136.243.101.176:8080/job/carbondataprbuilder2.3/8845/ |
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Build Success with Spark 2.2.1, Please check CI http://95.216.28.178:8080/job/ApacheCarbonPRBuilder1/778/ |
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LGTM |
xuchuanyin
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Oct 19, 2018
By using -k option, CarbonCli will print all column chunk/page metadata for the specified column For example, java CarbonCli -cmd summary -p /home/root1/bin /home/root1/.local/bin /usr/local/sbin /usr/local/bin /usr/sbin /usr/bin /sbin /bin /usr/games /usr/local/games /snap/bin /usr/lib/jvm/java-8-oracle/bin /usr/lib/jvm/java-8-oracle/db/bin /usr/lib/jvm/java-8-oracle/jre/bin -c name -k will output: ## Page Meta for column 'name' in file /Users/jacky/code/carbondata/tools/cli/CarbonCliTest/part-0-138391629343461_batchno0-0-null-138390048546321.carbondata Blocklet 0: Page 0 (offset 0, length 12049): DataChunk2(chunk_meta:ChunkCompressionMeta(compression_codec:DEPRECATED, total_uncompressed_size:0, total_compressed_size:0, compressor_name:snappy), rowMajor:false, data_page_length:12039, rowid_page_length:10, presence:PresenceMeta(represents_presence:false, present_bit_stream:00), sort_state:SORT_EXPLICIT, encoders:[INVERTED_INDEX], encoder_meta:[], min_max:BlockletMinMaxIndex(min_values:[72 6F 62 6F 74 30], max_values:[72 6F 62 6F 74 30], min_max_presence:[true]), numberOfRowsInpage:32000) Page 1 (offset 12049, length 12049): DataChunk2(chunk_meta:ChunkCompressionMeta(compression_codec:DEPRECATED, total_uncompressed_size:0, total_compressed_size:0, compressor_name:snappy), rowMajor:false, data_page_length:12039, rowid_page_length:10, presence:PresenceMeta(represents_presence:false, present_bit_stream:00), sort_state:SORT_EXPLICIT, encoders:[INVERTED_INDEX], encoder_meta:[], min_max:BlockletMinMaxIndex(min_values:[72 6F 62 6F 74 30], max_values:[72 6F 62 6F 74 30], min_max_presence:[true]), numberOfRowsInpage:32000) Page 2 (offset 24098, length 12049): DataChunk2(chunk_meta:ChunkCompressionMeta(compression_codec:DEPRECATED, total_uncompressed_size:0, total_compressed_size:0, compressor_name:snappy), rowMajor:false, data_page_length:12039, rowid_page_length:10, presence:PresenceMeta(represents_presence:false, present_bit_stream:00), sort_state:SORT_EXPLICIT, encoders:[INVERTED_INDEX], encoder_meta:[], min_max:BlockletMinMaxIndex(min_values:[72 6F 62 6F 74 30], max_values:[72 6F 62 6F 74 30], min_max_presence:[true]), numberOfRowsInpage:32000) This closes apache#2771
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By using "-k" option, CarbonCli will print all column chunk/page metadata for the specified column
For example, java CarbonCli -cmd summary -p $path -c name -k
will output:
Any interfaces changed?
Any backward compatibility impacted?
Document update required?
Testing done
Please provide details on
- Whether new unit test cases have been added or why no new tests are required?
- How it is tested? Please attach test report.
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