Data format

ORC Sample Files

ORC (.orc) files store optimized columnar datasets for analytics and warehouse workloads. Use sample ORC files to test reader compatibility, predicate pushdown behavior, and columnar migration workflows.

3 files All to 50KB SHA256 verified Manifest included
Quick facts
CategoryData
Total Files3
Extension.orc
MIMEaudio/csound
ManifestJSON
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Files first

ORC Sample Files — Download

Starter file

orc_metadata_sample.orc · 41.0 KB

Download

Baseline ORC

Real ORC fixture for warehouse reader and scan validation.

orc_test1_sample.orc · 1.7 KB
Download Fixture

Predicate-Pushdown ORC

ORC fixture for predicate pushdown and filtered-scan testing.

orc_predicate_pushdown_sample.orc · 15.3 KB
Download Fixture
Filename Size MIME Download
.orc Realistic Starter SHA256 0a440fa2da8b...
41.0 KB audio/csound Download
.orc Realistic SHA256 9e0aa4e02e4d...
15.3 KB audio/csound Download
.orc Realistic SHA256 03827180c09f...
1.7 KB audio/csound Download
Use cases

ORC Testing Workflows

Schema and Metadata Review

ORC for Schema and Metadata Review

Open Format ORC

Predicate Pushdown Validation

ORC for Predicate Pushdown Validation

Open Format ORC
Compare and decide

ORC Format Comparisons

More data formats: SQL YAML ENV GRAPHQL INI JSONL
FAQ and reference

ORC File FAQ

Checksum Verification

Use checksums to confirm file integrity after download.

shasum -a 256 your_file_name_here
# Compare output with SHA256 values listed above.
Where is the machine-readable manifest?

Use the manifest when you need stable names, SHA256 values, and URLs for automation.

Validation Methodology
  • Validate extension and MIME detection before processing.
  • Benchmark performance with small and larger files.
  • Test malformed-input handling and error messaging.
Fixture Matrix

Use the curated ORC matrix to choose the right clean, edge-case, and broken fixtures for this format.

Open Matrix