feat: support multiplexed session for blind write with single use transaction #3229
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…e use transaction.
…blind writes (writeAtLeastOnce)
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…o blind-write # Conflicts: # google-cloud-spanner/src/main/java/com/google/cloud/spanner/SessionPool.java
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google-cloud-spanner/src/main/java/com/google/cloud/spanner/DatabaseClientImpl.java
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...oud-spanner/src/main/java/com/google/cloud/spanner/DelayedMultiplexedSessionTransaction.java
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...r/src/test/java/com/google/cloud/spanner/MultiplexedSessionDatabaseClientMockServerTest.java
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…SPANNER_MULTIPLEXED_SESSIONS.
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…lind write. This flag will be used by systest.
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🤖 I have created a release *beep* *boop* --- ## [6.75.0](https://togithub.com/googleapis/java-spanner/compare/v6.74.1...v6.75.0) (2024-09-19) ### Features * Support multiplexed session for blind write with single use transaction ([#3229](https://togithub.com/googleapis/java-spanner/issues/3229)) ([b3e2b0f](https://togithub.com/googleapis/java-spanner/commit/b3e2b0f4892951867715cb7f354c089fca4f050f)) --- This PR was generated with [Release Please](https://togithub.com/googleapis/release-please). See [documentation](https://togithub.com/googleapis/release-please#release-please).
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…nsaction (#3229) * feat(spanner): support multiplexed session for blind write with single use transaction. * test(spanner): added test for the support of multiplexed session for blind writes (writeAtLeastOnce) * chore(spanner): lint * fix(spanner): updated the adoption for blind write into GOOGLE_CLOUD_SPANNER_MULTIPLEXED_SESSIONS. * chore: simplify code to make it easier to reuse for later additions * feat(spanner): added flag to control use of multiplexed session for blind write. This flag will be used by systest. * lint(spanner): javadoc fixes. --------- Co-authored-by: Knut Olav Løite <[email protected]>
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🤖 I have created a release *beep* *boop* --- ## [6.75.0](https://togithub.com/googleapis/java-spanner/compare/v6.74.1...v6.75.0) (2024-09-19) ### Features * Support multiplexed session for blind write with single use transaction ([#3229](https://togithub.com/googleapis/java-spanner/issues/3229)) ([b3e2b0f](https://togithub.com/googleapis/java-spanner/commit/b3e2b0f4892951867715cb7f354c089fca4f050f)) --- This PR was generated with [Release Please](https://togithub.com/googleapis/release-please). See [documentation](https://togithub.com/googleapis/release-please#release-please).
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With multiplexed sessions, the client optimizes and runs multiple applicable requests concurrently on a single session. A single multiplexed session is sufficient to handle all concurrent writeAtLeastOnce requests.
Normal read/write transactions always use regular sessions.
The use of multiplexed sessions can be enabled through the environment variable
GOOGLE_CLOUD_SPANNER_MULTIPLEXED_SESSIONS.