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* build: run graalvm integration tests on emulator * build: always use emulator * fix: start emulator in detached mode * fix: typo in Docker run command * build: use owned instance when testing on emulator * build: use embedded emulator * chore: add logging for emulator startup * build: start emulator in build script * chore: cleanup

#1669) [![Mend Renovate](https://app.renovatebot.com/images/banner.svg)](https://renovatebot.com) This PR contains the following updates: | Package | Change | Age | Adoption | Passing | Confidence | |---|---|---|---|---|---| | [com.google.cloud:google-cloud-trace](https://togithub.com/googleapis/google-cloud-java) | `2.45.0` -> `2.46.0` | [![age](https://developer.mend.io/api/mc/badges/age/maven/com.google.cloud:google-cloud-trace/2.46.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://developer.mend.io/api/mc/badges/adoption/maven/com.google.cloud:google-cloud-trace/2.46.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://developer.mend.io/api/mc/badges/compatibility/maven/com.google.cloud:google-cloud-trace/2.45.0/2.46.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://developer.mend.io/api/mc/badges/confidence/maven/com.google.cloud:google-cloud-trace/2.45.0/2.46.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | --- ### Configuration 📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined). 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] If you want to rebase/retry this PR, check this box --- This PR has been generated by [Mend Renovate](https://www.mend.io/free-developer-tools/renovate/). View repository job log [here](https://developer.mend.io/github/googleapis/java-spanner-jdbc).

…v1 to v2.46.0 (#1668) [![Mend Renovate](https://app.renovatebot.com/images/banner.svg)](https://renovatebot.com) This PR contains the following updates: | Package | Change | Age | Adoption | Passing | Confidence | |---|---|---|---|---|---| | [com.google.api.grpc:proto-google-cloud-trace-v1](https://togithub.com/googleapis/google-cloud-java) | `2.45.0` -> `2.46.0` | [![age](https://developer.mend.io/api/mc/badges/age/maven/com.google.api.grpc:proto-google-cloud-trace-v1/2.46.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://developer.mend.io/api/mc/badges/adoption/maven/com.google.api.grpc:proto-google-cloud-trace-v1/2.46.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://developer.mend.io/api/mc/badges/compatibility/maven/com.google.api.grpc:proto-google-cloud-trace-v1/2.45.0/2.46.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://developer.mend.io/api/mc/badges/confidence/maven/com.google.api.grpc:proto-google-cloud-trace-v1/2.45.0/2.46.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | --- ### Configuration 📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined). 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] If you want to rebase/retry this PR, check this box --- This PR has been generated by [Mend Renovate](https://www.mend.io/free-developer-tools/renovate/). View repository job log [here](https://developer.mend.io/github/googleapis/java-spanner-jdbc).

[![Mend Renovate](https://app.renovatebot.com/images/banner.svg)](https://renovatebot.com) This PR contains the following updates: | Package | Change | Age | Adoption | Passing | Confidence | |---|---|---|---|---|---| | [com.google.truth:truth](https://togithub.com/google/truth) | `1.4.2` -> `1.4.3` | [![age](https://developer.mend.io/api/mc/badges/age/maven/com.google.truth:truth/1.4.3?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://developer.mend.io/api/mc/badges/adoption/maven/com.google.truth:truth/1.4.3?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://developer.mend.io/api/mc/badges/compatibility/maven/com.google.truth:truth/1.4.2/1.4.3?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://developer.mend.io/api/mc/badges/confidence/maven/com.google.truth:truth/1.4.2/1.4.3?slim=true)](https://docs.renovatebot.com/merge-confidence/) | --- ### Release Notes <details> <summary>google/truth (com.google.truth:truth)</summary> ### [`v1.4.3`](https://togithub.com/google/truth/releases/tag/v1.4.3): 1.4.3 - Added more nullness information to our APIs (in the form of [JSpecify](https://jspecify.dev/) annotations). This could lead to additional warnings (or even errors) for users of Kotlin and other nullness checkers. Please [report any problems](https://togithub.com/google/truth/issues/new). ([`ee680cb`](https://togithub.com/google/truth/commit/ee680cbaf)) - Deprecated `Subject.Factory` methods for Java 8 types. We won't remove them, but you can simplify your code by migrating off them: Just replace `assertAbout(foos()).that(foo)` with `assertThat(foo)` (or `about(foos()).that(foo)` with `that(foo)`). ([`59e7a50`](https://togithub.com/google/truth/commit/59e7a5065)) </details> --- ### Configuration 📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined). 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] If you want to rebase/retry this PR, check this box --- This PR has been generated by [Mend Renovate](https://www.mend.io/free-developer-tools/renovate/). View repository job log [here](https://developer.mend.io/github/googleapis/java-spanner-jdbc).

…#1663) [![Mend Renovate](https://app.renovatebot.com/images/banner.svg)](https://renovatebot.com) This PR contains the following updates: | Package | Change | Age | Adoption | Passing | Confidence | |---|---|---|---|---|---| | [io.opentelemetry:opentelemetry-bom](https://togithub.com/open-telemetry/opentelemetry-java) | `1.37.0` -> `1.39.0` | [![age](https://developer.mend.io/api/mc/badges/age/maven/io.opentelemetry:opentelemetry-bom/1.39.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://developer.mend.io/api/mc/badges/adoption/maven/io.opentelemetry:opentelemetry-bom/1.39.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://developer.mend.io/api/mc/badges/compatibility/maven/io.opentelemetry:opentelemetry-bom/1.37.0/1.39.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://developer.mend.io/api/mc/badges/confidence/maven/io.opentelemetry:opentelemetry-bom/1.37.0/1.39.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | --- ### Release Notes <details> <summary>open-telemetry/opentelemetry-java (io.opentelemetry:opentelemetry-bom)</summary> ### [`v1.39.0`](https://togithub.com/open-telemetry/opentelemetry-java/blob/HEAD/CHANGELOG.md#Version-1390-2024-06-07) [Compare Source](https://togithub.com/open-telemetry/opentelemetry-java/compare/v1.38.0...v1.39.0) ##### API ##### Incubator - BREAKING: Refactor ExtendedTracer, ExtendedSpanBuilder to reflect incubating API conventions ([#6497](https://togithub.com/open-telemetry/opentelemetry-java/pull/6497)) ##### SDK ##### Exporter - BREAKING: Serve prometheus metrics only on `/metrics` by default. To restore the previous behavior and serve metrics on all paths, override the default handler as [demonstrated here](https://togithub.com/open-telemetry/opentelemetry-java/blob/main/exporters/prometheus/src/test/java/io/opentelemetry/exporter/prometheus/PrometheusHttpServerTest.java#L251-L259). ([#6476](https://togithub.com/open-telemetry/opentelemetry-java/pull/6476)) - Make OTLP exporter memory mode API public ([#6469](https://togithub.com/open-telemetry/opentelemetry-java/pull/6469)) - Speed up OTLP string marshaling using sun.misc.Unsafe ([#6433](https://togithub.com/open-telemetry/opentelemetry-java/pull/6433)) - Add exporter data classes for experimental profiling signal type. ([#6374](https://togithub.com/open-telemetry/opentelemetry-java/pull/6374)) - Start prometheus http server with daemon thread ([#6472](https://togithub.com/open-telemetry/opentelemetry-java/pull/6472)) - Update the Prometheus metrics library and improve how units are included in metric names. ([#6473](https://togithub.com/open-telemetry/opentelemetry-java/pull/6473)) - Remove android animalsniffer check from prometheus exporter ([#6478](https://togithub.com/open-telemetry/opentelemetry-java/pull/6478)) ##### Extensions - Load file config YAML using core schema, ensure that env var substitution retains string types. ([#6436](https://togithub.com/open-telemetry/opentelemetry-java/pull/6436)) - Define dedicated file configuration SPI ComponentProvider ([#6457](https://togithub.com/open-telemetry/opentelemetry-java/pull/6457)) ##### Tooling - Normalize timestamps and file ordering in jars, making the outputs reproducible ([#6471](https://togithub.com/open-telemetry/opentelemetry-java/pull/6471)) - GHA for generating the post-release pull request ([#6449](https://togithub.com/open-telemetry/opentelemetry-java/pull/6449)) ### [`v1.38.0`](https://togithub.com/open-telemetry/opentelemetry-java/blob/HEAD/CHANGELOG.md#Version-1380-2024-05-10) [Compare Source](https://togithub.com/open-telemetry/opentelemetry-java/compare/v1.37.0...v1.38.0) ##### API - Stabilize synchronous gauge ([#6419](https://togithub.com/open-telemetry/opentelemetry-java/pull/6419)) ##### Incubator - Add put(AttributeKey<T>, T) overload to EventBuilder ([#6331](https://togithub.com/open-telemetry/opentelemetry-java/pull/6331)) ##### Baggage - Baggage filters space-only keys ([#6431](https://togithub.com/open-telemetry/opentelemetry-java/pull/6431)) ##### SDK - Add experimental scope config to enable / disable scopes (i.e. meter, logger, tracer) ([#6375](https://togithub.com/open-telemetry/opentelemetry-java/pull/6375)) ##### Traces - Add ReadableSpan#getAttributes ([#6382](https://togithub.com/open-telemetry/opentelemetry-java/pull/6382)) - Use standard ArrayList size rather than max number of links for initial span links allocation ([#6252](https://togithub.com/open-telemetry/opentelemetry-java/pull/6252)) ##### Metrics - Use low precision Clock#now when computing timestamp for exemplars ([#6417](https://togithub.com/open-telemetry/opentelemetry-java/pull/6417)) - Update invalid instrument name log message now that forward slash `/` is valid ([#6343](https://togithub.com/open-telemetry/opentelemetry-java/pull/6343)) ##### Exporters - Introduce low allocation OTLP marshalers. If using autoconfigure, opt in via `OTEL_JAVA_EXPERIMENTAL_EXPORTER_MEMORY_MODE=REUSABLE_DATA`. - Low allocation OTLP logs marshaler ([#6429](https://togithub.com/open-telemetry/opentelemetry-java/pull/6429)) - Low allocation OTLP metrics marshaler ([#6422](https://togithub.com/open-telemetry/opentelemetry-java/pull/6422)) - Low allocation OTLP trace marshaler ([#6410](https://togithub.com/open-telemetry/opentelemetry-java/pull/6410)) - Add memory mode support to OTLP exporters ([#6430](https://togithub.com/open-telemetry/opentelemetry-java/pull/6430)) - Marshal span status description without allocation ([#6423](https://togithub.com/open-telemetry/opentelemetry-java/pull/6423)) - Add private constructors for stateless marshalers ([#6434](https://togithub.com/open-telemetry/opentelemetry-java/pull/6434)) - Mark opentelemetry-exporter-sender-jdk stable ([#6357](https://togithub.com/open-telemetry/opentelemetry-java/pull/6357)) - PrometheusHttpServer prevent concurrent reads when reusable memory mode ([#6371](https://togithub.com/open-telemetry/opentelemetry-java/pull/6371)) - Ignore TLS components (SSLContext, TrustManager, KeyManager) if plain HTTP protocol is used for exporting ([#6329](https://togithub.com/open-telemetry/opentelemetry-java/pull/6329)) - Add is_remote_parent span flags to OTLP exported Spans and SpanLinks ([#6388](https://togithub.com/open-telemetry/opentelemetry-java/pull/6388)) - Add missing fields to OTLP metric exporters `toString()` ([#6402](https://togithub.com/open-telemetry/opentelemetry-java/pull/6402)) ##### Extensions - Rename otel.config.file to otel.experimental.config.file for autoconfigure ([#6396](https://togithub.com/open-telemetry/opentelemetry-java/pull/6396)) ##### OpenCensus Shim - Fix opencensus shim spanBuilderWithRemoteParent behavior ([#6415](https://togithub.com/open-telemetry/opentelemetry-java/pull/6415)) ##### Tooling - Add additional API incubator docs ([#6356](https://togithub.com/open-telemetry/opentelemetry-java/pull/6356)) - Run build on java 21 ([#6370](https://togithub.com/open-telemetry/opentelemetry-java/pull/6370)) - Fix running tests with java 8 on macos ([#6411](https://togithub.com/open-telemetry/opentelemetry-java/pull/6411)) - Move away from deprecated gradle enterprise APIs ([#6363](https://togithub.com/open-telemetry/opentelemetry-java/pull/6363)) </details> --- ### Configuration 📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined). 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] If you want to rebase/retry this PR, check this box --- This PR has been generated by [Mend Renovate](https://www.mend.io/free-developer-tools/renovate/). View repository job log [here](https://developer.mend.io/github/googleapis/java-spanner-jdbc).

🤖 I have created a release *beep* *boop* --- ### Updating meta-information for bleeding-edge SNAPSHOT release. --- This PR was generated with [Release Please](https://togithub.com/googleapis/release-please). See [documentation](https://togithub.com/googleapis/release-please#release-please).

…v6.71.0 (#1672) [![Mend Renovate](https://app.renovatebot.com/images/banner.svg)](https://renovatebot.com) This PR contains the following updates: | Package | Change | Age | Adoption | Passing | Confidence | |---|---|---|---|---|---| | [com.google.cloud:google-cloud-spanner-bom](https://togithub.com/googleapis/java-spanner) | `6.70.0` -> `6.71.0` | [![age](https://developer.mend.io/api/mc/badges/age/maven/com.google.cloud:google-cloud-spanner-bom/6.71.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://developer.mend.io/api/mc/badges/adoption/maven/com.google.cloud:google-cloud-spanner-bom/6.71.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://developer.mend.io/api/mc/badges/compatibility/maven/com.google.cloud:google-cloud-spanner-bom/6.70.0/6.71.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://developer.mend.io/api/mc/badges/confidence/maven/com.google.cloud:google-cloud-spanner-bom/6.70.0/6.71.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | --- ### Release Notes <details> <summary>googleapis/java-spanner (com.google.cloud:google-cloud-spanner-bom)</summary> ### [`v6.71.0`](https://togithub.com/googleapis/java-spanner/blob/HEAD/CHANGELOG.md#6710-2024-07-03) [Compare Source](https://togithub.com/googleapis/java-spanner/compare/v6.70.0...v6.71.0) ##### Features - Include thread name in traces ([#3173](https://togithub.com/googleapis/java-spanner/issues/3173)) ([92b1e07](https://togithub.com/googleapis/java-spanner/commit/92b1e079e6093bc4a2e7b458c1bbe0f62a0fada9)) - Support multiplexed sessions for RO transactions ([#3141](https://togithub.com/googleapis/java-spanner/issues/3141)) ([2b8e9ed](https://togithub.com/googleapis/java-spanner/commit/2b8e9ededc1ea1a5e8d4f90083f2cf862fcc198a)) </details> --- ### Configuration 📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined). 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] If you want to rebase/retry this PR, check this box --- This PR has been generated by [Mend Renovate](https://www.mend.io/free-developer-tools/renovate/). View repository job log [here](https://developer.mend.io/github/googleapis/java-spanner-jdbc).

* perf: use multiplexed sessions Enable the use of multiplexed sessions by default for queries in auto-commit mode. Multiplexed sessions can handle any number of queries concurrently. This means that the JDBC driver does not need to check out a session exclusively from the internal session pool in order to execute a query. Instead, a single multiplexed session is enough for all queries that are executed by all JDBC connections that connect to the same Spanner database. This allows a higher degree of parallelism to be achieved from a single client machine. Note that due to how the JDBC API is defined, each JDBC connection can only execute one query at a time. If you for example want to execute 1000 queries in parallel, then you also need to create 1000 JDBC connections. Spanner JDBC connection are however lightweight, as each JDBC connection internally uses a pool of gRPC channels. It is recommended to enable the use of virtual threads to achieve the highest possible degree of parallelism with the JDBC driver. This option can be set by adding useVirtualThreads=true to the JDBC connection URL. Note that virtual threads are only supported on Java 21 and higher. * test: add test for multi-use read-only transaction

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>

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