docs: Documentation updates for 0.9.0 release#1981
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| ## Parquet Scans | ||
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| Comet currently has three distinct implementations of the Parquet scan operator. The configuration property | ||
| `spark.comet.scan.impl` is used to select an implementation. These scans are described in the | ||
| [Compatibility Guide]. | ||
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| [Compatibility Guide]: compatibility.md | ||
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| When using `native_datafusion` or `native_iceberg_compat`, there are known performance issues when pushing filters | ||
| down to Parquet scans. Until this issue is resolved, performance can be improved by setting | ||
| `spark.sql.parquet.filterPushdown=false`. |
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We no longer need this section because of the new config COMET_RESPECT_PARQUET_FILTER_PUSHDOWN and users should not need to know the details of this.
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Thanks for the review @comphead |
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Which issue does this PR close?
Part of #1856
Rationale for this change
Various documentation updates to reflect changes in 0.9.0
What changes are included in this PR?
How are these changes tested?