Release Parquet 1.8.0

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Reporter: Alex Levenson / @isnotinvain
Assignee: Alex Levenson / @isnotinvain

Related issues:

• Binary column statistics error when reuse byte[] among rows (is blocked by)
• Column with OriginalType INT_8 failed at filtering (is blocked by)
• ArrayIndexOutOfBoundsException with Parquet write version v2 (is blocked by)
• Should use ConcurrentHashMap instead of HashMap in ParquetMetadataConverter (is blocked by)
• created_by in file meta data doesn't contain parquet library version (is blocked by)
• Restore semver checks (is blocked by)
• ThriftReadSupport#THRIFT_COLUMN_FILTER_KEY was removed (incompatible change) (is blocked by)
• Incompatible changes in o.a.p.thrift.projection (is blocked by)
• Update README docs for graduation (is blocked by)
• Update build for graduation from incubator (is blocked by)
• Avro object model should use Utf8 (is blocked by)

_{Note: This issue was originally created as PARQUET-292. Please see the migration documentation for further details.}

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Ryan Blue / @rdblue:
Adding PARQUET-251 as a blocker. We need to stop writing bad data and ignore the bad data we've written.

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Ryan Blue / @rdblue:
Adding PARQUET-286, which is ready to merge. This is a behavior change that should happen along with the new avro-reflect support. Both are guarded by a config property.

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Ryan Blue / @rdblue:
Adding PARQUET-263, which has changes that went into the 1.7.0 release branch.

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Ryan Blue / @rdblue:
Might want to fix PARQUET-246. There's currently a PR for it: #171

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Ryan Blue / @rdblue:
Adding PARQUET-284, which is an easy bug fix.

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Ryan Blue / @rdblue:
Adding PARQUET-265 instead of PARQUET-263.

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Ryan Blue / @rdblue:
Adding PARQUET-264 because we should update the README.

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Ryan Blue / @rdblue:
Updating PARQUET-246 to be a blocker. There's a PR with a write-side fix already, but we can't close the issue until we figure out how to read existing data. We should at least fix writes.

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Ryan Blue / @rdblue:
Adding PARQUET-201, which was a bug fix pushed out for the 1.6.0 release. We don't have a very good reason to push it out this time, so I'm marking it as a blocker.

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Nezih Yigitbasi / @nezihyigitbasi:
@rdblue Can we please get PARQUET-316 in for the 1.8 release?

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Ryan Blue / @rdblue:
Convenience binaries have made it to maven central and the source tarball is available in the mirrors: https://www.apache.org/dyn/closer.cgi/parquet/parquet-1.8.0/