apache/parquet-java

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Apache Parquet Java

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Forks: 1.6k
Open beginner issues: 0
Indexed issues: 580
Avg merge: 3d 12h
Merged PRs (30d): 33

Dominant language: Java
License: Apache-2.0
Last GitHub push: Sep 14, 2026
Latest indexed: Sep 14, 2026
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue

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580 open issues indexed

Use the same default page size across different language bindings Open

Component: Parquet Priority: Major Type: task

apache/parquet-java#2116 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Parquet Pushdown Open

Component: Parquet Component: Pig Priority: Major Type: bug

apache/parquet-java#2118 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
org.apache.commons.codec.binary.Base64 clash Open

Component: Java Component: Parquet Priority: Major Type: bug

apache/parquet-java#1505 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add differentiation of nested records with the same name Open

Component: Avro Component: Parquet Priority: Major Type: bug

apache/parquet-java#2124 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Parquet protobuf: List wrapper should be optional Open

Component: Java Component: Parquet Priority: Minor Type: bug

apache/parquet-java#2133 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[parquet-mr] Implement specification-compliant floating point comparison Open

Component: Java Component: Parquet Priority: Major Type: task

apache/parquet-java#2135 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
CLI tools for encrypted files Open

Component: Java Component: Parquet Priority: Major Type: enhancement

apache/parquet-java#2137 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Parquet-tools cat mangles strings created by other clients Open

Component: Parquet Priority: Major Type: bug

apache/parquet-java#2140 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Reading big texts cause OutOfMemmory Error. How to read text partialy? Open

Component: Avro Component: Parquet Priority: Major Type: bug

apache/parquet-java#2141 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Proto-Parquet cannot write a schema with an empty group Open

Component: Parquet Priority: Major Type: bug

apache/parquet-java#2142 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
org.apache.parquet.column.values.dictionary.PlainValuesDictionary$PlainLongDictionary Open

Component: Parquet Priority: Major Type: bug

apache/parquet-java#2146 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
java.lang.UnsupportedOperationException: Unimplemented type: StringType Open

Component: Parquet Priority: Major Type: bug

apache/parquet-java#2147 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
RLE decoding should treat 0 length runs as error Open

Component: Java Component: Parquet Priority: Minor Type: enhancement

apache/parquet-java#2148 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Unable to read deeply nested records from Parquet file with Avro interface. Open

Component: Avro Component: Java Component: Parquet Priority: Major Type: bug

apache/parquet-java#2149 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add constructors to ProtoParquetWriter to write specs compliant Parquet Open

Component: Parquet Priority: Minor Type: enhancement

apache/parquet-java#2167 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Parquet libraries do not follow proper semantic versioning Open

Component: Parquet Priority: Major Type: bug

apache/parquet-java#2170 · 9 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Project download page does not conform to Apache requirements Open

Component: Parquet Priority: Major Type: task

apache/parquet-java#2173 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ParquetProperties should not use static ValuesWriterFactory Open

Component: Parquet Priority: Major Type: bug

apache/parquet-java#2174 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Statistics is not available for DECIMAL types Open

Component: Parquet Priority: Minor Type: bug

apache/parquet-java#2184 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[C++] Cross compatibility support with parquet-mr Open

Component: Parquet Priority: Minor Type: task

apache/parquet-java#1521 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[C++] Bloom filter read/write implementation Open

Component: Parquet Priority: Minor Type: task

apache/parquet-java#2186 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[C++] Integrate Bloom filter into row group filter logic Open

Component: Parquet Priority: Major Type: task

apache/parquet-java#1522 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Avro RequestedProjection incompatible with Hive written data Open

Component: Avro Component: Parquet Priority: Major Type: bug

apache/parquet-java#2188 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Current block alignment logic may lead to several row groups per block Open

Component: Java Component: Parquet Priority: Major Type: enhancement

apache/parquet-java#2191 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Unable to read a parquet file Open

Component: Parquet Priority: Minor Type: bug

apache/parquet-java#2196 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[parquet-tools] dump command shows binary values differenty than the cat or head commands Open

Component: Parquet Priority: Minor Type: bug

apache/parquet-java#2198 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
The random data generator used for tests repeats the same value over and over again Open

Component: Java Component: Parquet Priority: Minor Type: bug

apache/parquet-java#2199 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Out of Memory when reading large parquet file Open

Component: Parquet Priority: Major Type: bug

apache/parquet-java#2201 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[C++] 1.4.1 library allows creation of parquet file w/NULL values for INT types Open

Component: C++ Component: Java Component: Parquet Priority: Major Type: bug

apache/parquet-java#2202 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add IP address logical type Open

Component: Parquet Priority: Major Type: enhancement

apache/parquet-java#2203 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
upgrade libraries to work around security issues Open

Component: Java Component: Parquet Priority: Major Type: bug

apache/parquet-java#2205 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Data obfuscation layer for encryption Open

Component: Parquet Priority: Major Type: enhancement

apache/parquet-java#2211 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add merge blocks command to parquet-tools Open

Component: Java Component: Parquet Priority: Major Type: enhancement

apache/parquet-java#2214 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Sample of usage Parquet-1396 and Parquet-1178 for column level encryption with pluggable key access Open

Component: Java Component: Parquet Priority: Major Type: test

apache/parquet-java#2221 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
parquet-tools SimpleRecord does not display empty fields Open

Component: Parquet Priority: Minor Type: bug

apache/parquet-java#2224 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Can write but read parquet file with nested arrays Open

Component: Avro Component: Parquet Priority: Major Type: bug

apache/parquet-java#2225 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Improve logic when to write column indexes Open

Component: Parquet Priority: Minor Type: enhancement

apache/parquet-java#2228 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ACID support Open

Component: Format Component: Java Component: Parquet Priority: Major Type: enhancement

apache/parquet-java#2233 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Review FilteringRecordMaterializer.java Open

Component: Parquet Priority: Minor Type: enhancement

apache/parquet-java#2244 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[C++] Data set integrity tool Open

Component: C++ Component: Java Component: Parquet Priority: Major Type: enhancement

apache/parquet-java#2251 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Not able to do backwards compatible projection Open

Component: Java Component: Parquet Priority: Major Type: bug

apache/parquet-java#2255 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Java] Arrow read write support Open

Component: Java Component: Parquet Priority: Major Type: enhancement

apache/parquet-java#2264 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Parquet benchmarks fail with multiple threads Open

Component: Java Component: Parquet Priority: Minor Type: bug

apache/parquet-java#2267 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ParentValueContainer.getConversionContainer does not handle FIXED schema types properly Open

Component: Avro Component: Parquet Priority: Major Type: bug

apache/parquet-java#2270 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Perform encoding before bloom filters write out Open

Component: C++ Component: Java Component: Parquet Priority: Minor Type: task

apache/parquet-java#2278 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Pass the parameters in a configuration object to SchemaConverter Open

Component: Java Component: Parquet Priority: Major Type: enhancement

apache/parquet-java#2292 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Bump Parquet version to 1.10.1 on website Open

Component: Parquet Priority: Major Type: enhancement

apache/parquet-java#2299 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[parquet-cli] dictionary command throw NPE when specified column isn't dictionary encoding Open

Component: Java Component: Parquet Priority: Major Type: bug

apache/parquet-java#2306 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ClassCastException Open

Component: Java Component: Parquet Priority: Major Type: bug

apache/parquet-java#2307 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Meta data is lost when writing avro union types to parquet Open

Component: Avro Component: Parquet Priority: Major Type: bug

apache/parquet-java#2311 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026

apache/parquet-java

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