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chore: update kernel revision - #976

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vuanhphung merged 1 commit into
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chore/update-kernel-rev-ab1e6a7
Oct 8, 2026
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vuanhphung merged 1 commit into
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chore/update-kernel-rev-ab1e6a7

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What type of PR is this?

  • Bug Fix

Description

Updates KERNEL_REV from 80f2aee to ab1e6a707e4a15a3a7a8c78d8fdd12c752c51102 (kernel main) to pick up databricks/databricks-sql-kernel#388. That PR fixes an intermittent hang in Session.close(): the runtime is dropped with the GIL held while a worker is waiting for the GIL to forward a log record. This hang causes the 60-minute timeouts in the driver-test Python kernel · reyden nightly.

The bump also includes the kernel changes merged since 80f2aee. The ones that change default behavior are:

  • SEA requests no longer ask for gzip responses (Accept-Encoding: identity).
  • Connector-service feature flags are fetched before CreateSession and fail open.
  • GEOMETRY/GEOGRAPHY values come back as EWKT strings by default.
  • Synchronous execute() no longer has an implicit 600s timeout.

The Python binding API is unchanged.

How is this tested?

  • E2E Tests

Pin-only change; kernel-e2e runs against the new revision.

Related Tickets & Documents

databricks/databricks-sql-kernel#388

This pull request and its description were written by Isaac.

Picks up databricks-sql-kernel#388, which fixes an intermittent hang in
Session.close() when a runtime worker is forwarding a log record to
Python logging as the runtime shuts down.

Co-authored-by: Isaac <no-reply@databricks.com>
Signed-off-by: Vu Anh Phung <vu.phung@databricks.com>
@vuanhphung vuanhphung added the kernel-e2e Trigger preview run of the Kernel E2E workflow on this PR label Oct 8, 2026

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✅ No issues identified by the review bot.

@vuanhphung
vuanhphung enabled auto-merge October 8, 2026 17:28
@vuanhphung
vuanhphung disabled auto-merge October 8, 2026 18:11
@vuanhphung
vuanhphung merged commit 61b9a7f into main Oct 8, 2026
59 of 60 checks passed
@vuanhphung
vuanhphung deleted the chore/update-kernel-rev-ab1e6a7 branch October 8, 2026 18:12

This branch was successfully deployed

1 active deployment
azure-prod — 920e7a38 Deployed Oct 8, 2026 by vuanhphung via run-kernel-e2e #605
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