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timescale-automationbilly-the-fishphilkra
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Updated list of GUCs from TimescaleDB 2.23.0 (#4530)
* [create-pull-request] automated change * Apply suggestions from code review Co-authored-by: Iain Cox <[email protected]> Signed-off-by: Philip Krauss <[email protected]> --------- Signed-off-by: Philip Krauss <[email protected]> Co-authored-by: Iain Cox <[email protected]> Co-authored-by: Philip Krauss <[email protected]>
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_partials/_timescaledb-gucs.md

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| `enable_bulk_decompression` | `BOOLEAN` | `true` | Increases throughput of decompression, but might increase query memory usage |
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| `enable_cagg_reorder_groupby` | `BOOLEAN` | `true` | Enable group by clause reordering for continuous aggregates |
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| `enable_cagg_sort_pushdown` | `BOOLEAN` | `true` | Enable pushdown of ORDER BY clause for continuous aggregates |
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| `enable_cagg_wal_based_invalidation` | `BOOLEAN` | `false` | Use WAL to track changes to hypertables for continuous aggregates. This feature is early access from TimescaleDB v2.23.0 |
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| `enable_cagg_watermark_constify` | `BOOLEAN` | `true` | Enable constifying cagg watermark for real-time caggs |
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| `enable_cagg_window_functions` | `BOOLEAN` | `false` | Allow window functions in continuous aggregate views |
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| `enable_chunk_append` | `BOOLEAN` | `true` | Enable using chunk append node |
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| `enable_direct_compress_copy` | `BOOLEAN` | `false` | Enable experimental support for direct compression during COPY |
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| `enable_direct_compress_copy_client_sorted` | `BOOLEAN` | `false` | Correct handling of data sorting by the user is required for this option. |
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| `enable_direct_compress_copy_sort_batches` | `BOOLEAN` | `true` | Enable batch sorting during direct compress COPY |
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| `enable_direct_compress_insert` | `BOOLEAN` | `false` | Enable support for direct compression during INSERT. This feature is early access from TimescaleDB v2.23.0 |
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| `enable_direct_compress_insert_client_sorted` | `BOOLEAN` | `false` | Correct handling of data sorting by the user is required for this option. |
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| `enable_direct_compress_insert_sort_batches` | `BOOLEAN` | `true` | Enable batch sorting during direct compress INSERT |
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| `enable_dml_decompression` | `BOOLEAN` | `true` | Enable DML decompression when modifying compressed hypertable |
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| `enable_dml_decompression_tuple_filtering` | `BOOLEAN` | `true` | Recheck tuples during DML decompression to only decompress batches with matching tuples |
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| `enable_event_triggers` | `BOOLEAN` | `false` | Enable event triggers for chunks creation |
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| `last_tuned` | `STRING` | `NULL` | records last time timescaledb-tune ran |
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| `last_tuned_version` | `STRING` | `NULL` | version of timescaledb-tune used to tune |
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| `license` | `STRING` | `TS_LICENSE_DEFAULT` | Determines which features are enabled |
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| `materializations_per_refresh_window` | `INTEGER` | `10` | The maximal number of individual refreshes per cagg refresh. If more refreshes need to be performed, they are merged into a larger single refresh.<br />min: `0`, max: `INT_MAX` |
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| `max_cached_chunks_per_hypertable` | `INTEGER` | `1024` | Maximum number of chunks stored in the cache<br />min: `0`, max: `65536` |
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| `max_open_chunks_per_insert` | `INTEGER` | `1024` | Maximum number of open chunk tables per insert<br />min: `0`, max: `PG_INT16_MAX` |
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| `max_tuples_decompressed_per_dml_transaction` | `INTEGER` | `100000` | If the number of tuples exceeds this value, an error will be thrown and transaction rolled back. Setting this to 0 sets this value to unlimited number of tuples decompressed.<br />min: `0`, max: `2147483647` |
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| `skip_scan_run_cost_multiplier` | `REAL` | `1.0` | Default is 1.0 i.e. regularly estimated SkipScan run cost, 0.0 will make SkipScan to have run cost = 0<br />min: `0.0`, max: `1.0` |
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| `telemetry_level` | `ENUM` | `TELEMETRY_DEFAULT` | Level used to determine which telemetry to send |
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Version: [2.22.1](https://github.com/timescale/timescaledb/releases/tag/2.22.1)
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Version: [2.23.0](https://github.com/timescale/timescaledb/releases/tag/2.23.0)

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