Yan Zhao

[PIP-186] Introduce two phase deletion protocol based on system topic

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Original issue: #13238 PIP Issue: #16569 ### Motivation In current ledger deletion, we divided it into two separate steps. It happens in ManagedLedger and ManagedCursor. Remove all the waiting to...

[Feature Request] [Kernel] TransactionImpl introduces api getMetadata().

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In some cases, if the user may want to update the delta table configuration, we need to get the txn metadata first, then override the metadata#configuration K,V to update the...

[Kernel] Delta table support update configuration.

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Now, the kernel delta table didn't support updating the table configuration, we need to support it.

If the table config `delta.enableExpiredLogCleanup`, we should clean up the expired logs during checkpoint.

[Kernel] TableConfig support more properties.

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The kernel config only has properties `TOMBSTONE_RETENTION` and `CHECKPOINT_INTERVAL`, we need support more.

Fix checkpoint parquet compress type using hard code issue.

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we meet a critical issue about the standalone lib, we found that the checkpoint define the snappy compression using hard code. When we integrate our project, we found that it...