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Remove more Tiger Lake limitation for the upcoming release #4396

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Merged
merged 9 commits into from
Oct 21, 2025
Merged

Remove more Tiger Lake limitation for the upcoming release #4396

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42e05ab
remove tiger lake limitation
philkra Sep 4, 2025
9892998
iam compat policy
philkra Sep 22, 2025
7dad45c
restart no longer required
philkra Sep 26, 2025
aafc514
something
philkra Oct 6, 2025
4ff55c4
add table name and namespace API
philkra Oct 12, 2025
725aa92
amend limitations
philkra Oct 12, 2025
db33d3e
Apply suggestions from code review
philkra Oct 13, 2025
e83e924
Merge branch 'latest' into tigerlake/remove-restrictions-01
philkra Oct 13, 2025
705bb65
Merge branch 'latest' into tigerlake/remove-restrictions-01
philkra Oct 21, 2025
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10 changes: 6 additions & 4 deletions use-timescale/tigerlake.md
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Expand Up @@ -227,7 +227,9 @@ statement:
```sql
ALTER TABLE <table_name> SET (
tigerlake.iceberg_sync = true | false,
tigerlake.iceberg_partitionby = '<partition_specification>'
tigerlake.iceberg_partitionby = '<partition_specification>',
tigerlake.iceberg_namespace = '<namespace>',
tigerlake.iceberg_table = '<table>'
)
```

Expand All @@ -236,6 +238,8 @@ ALTER TABLE <table_name> SET (
* `tigerlake.iceberg_partitionby`: optional property to define a partition specification in Iceberg. By default the
Iceberg table is partitioned as `day(<time-column of $HYPERTABLE>)`. This default behavior is only applicable
to $HYPERTABLEs. For more information, see [partitioning][partitioning].
* `tigerlake.iceberg_namespace`: optional property to set a namespace, the default is `timescaledb`.
* `tigerlake.iceberg_table`: optional property to specify a different table name. If no name is specified the $PG table name is used.

### Partitioning intervals

Expand Down Expand Up @@ -317,16 +321,14 @@ data lake:

## Limitations

* Only $PG 17.4 is supported. Services running $PG 17.5 are downgraded to 17.4.
* Only $PG 17.6 and above is supported.
* Consistent ingestion rates of over 50000 records / second can lead to a lost replication slot.
* [Amazon S3 Tables Iceberg REST][aws-s3-tables] catalog only is supported.
* In order to collect deletes made to data in the columstore, certain columnstore optimizations are disabled for $HYPERTABLEs.
* The `TRUNCATE` statement is not supported, and does not truncate data in the corresponding Iceberg table.
* Data in a $HYPERTABLE that has been moved to the [low-cost object storage tier][data-tiering] is not synced.
* Renaming a table in $PG stops the sync to Iceberg and causes unexpected behavior.
* Writing to the same S3 table bucket from multiple services is not supported, bucket-to-service mapping is one-to-one.
* Iceberg snapshots are pruned automatically if the amount exceeds 2500.
* The Iceberg namespace is hard coded to `timescaledb`, a custom namespace value is work in progress.

[cmc]: https://console.aws.amazon.com/cloudformation/
[aws-athena]: https://aws.amazon.com/athena/
Expand Down