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This change adds a new module, opendc-faas-workload that contains
helper code for constructing simulations of FaaS-based workloads
using OpenDC. In addition, we add an integration test that demonstrates
the capabilities of the helper tool and the FaaS platform of OpenDC.
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This change removes the OpenTelemetry integration from the OpenDC
FaaS modules. Previously, we chose to integrate OpenTelemetry to
provide a unified way to report metrics to the users.
See the previous commit removing it from the "Compute" modules for the
reasoning behind this change.
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This change removes the opendc-platform module from the project. This
module represented a Java platform which was previously used for sharing
a set of dependency versions between subprojects. However, with the
version catalogue that was added by Gradle, we currently do not use the
platform anymore.
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This change improves the performance of the SimTraceWorkload class by
changing the way trace fragments are read and processed by the CPU
consumers.
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This change refactors the telemetry implementation by creating a
separate MeterProvider per service or host. This means we have to keep
track of multiple metric producers, but that we can attach resource
information to each of the MeterProviders like we would in a real world
scenario.
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This change refactors the trace workload in the OpenDC simulator to
track execute a fragment based on the fragment's timestamp. This makes
sure that the trace is replayed identically to the original execution.
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This change updates the Kotlin dependencies used by OpenDC to their
latest version.
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This change re-organizes the classes of the compute simulator module to
make a clearer distinction between the hardware, firmware and software
interfaces in this module.
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This change renames the opendc-serverless module to opendc-faas to
better distinguish between the two terms (Serverless and FaaS) and be
clearer about the intent of the module.
The opendc-faas module holds the code for the FaaS platform on top of
OpenDC. Although this is one approach of doing serverless, serverless
can also entail other services that will not be covered by this module.
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This change eliminates all Hadoop dependencies that are not necessary
for Parquet to work correctly. As a result, the number of dependencies
should now be greatly reduced, which in turn leads to less artifacts
that need to be retrieved at build time.
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This change adds support for custom termination policies for function
instances. This allows the user to build different strategies for
downscaling function instances after they become idle.
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This change adds support for the Gradle version catalog feature in our
build configuration. This allows us to have a single file,
gradle/libs.versions.toml, which contains all the dependency versions
used in this project.
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This change updates the Gradle build configuration so that the
application modules (as opposed the libraries) are not published onto
Maven Central.
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This change updates the build scripts to use type-safe project accessors
when specifying build dependencies between modules.
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This change adds support for configuring the experiments via
configuration files using the TypeSafe config library. In the future, we
will also integrate support for configuration into the harness.
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This change splits the OpenDC Experiment Harness into separate modules.
This prevents users from pulling in unnecessary dependencies when
depending on the harness API.
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This change updates the project structure to become flattened.
Previously, the simulator, frontend and API each lived into their own
directory.
With this change, all modules of the project live in the top-level
directory of the repository. This should improve discoverability of
modules of the project.
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