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@dependabot dependabot bot commented on behalf of github Dec 29, 2025

Bumps google.golang.org/grpc from 1.77.0 to 1.78.0.

Release notes

Sourced from google.golang.org/grpc's releases.

Release 1.78.0

Behavior Changes

  • client: Reject target URLs containing unbracketed colons in the hostname in Go version 1.26+. (#8716)

New Features

  • stats/otel: Add backend service label to wrr metrics as part of A89. (#8737)
  • stats/otel: Add subchannel metrics (without the disconnection reason) to eventually replace the pickfirst metrics. (#8738)
  • client: Wait for all pending goroutines to complete when closing a graceful switch balancer. (#8746)

Bug Fixes

  • transport/client : Return status code Unknown on malformed grpc-status. (#8735)
  • client: Add experimental.AcceptCompressors so callers can restrict the grpc-accept-encoding header advertised for a call. (#8718)
  • xds: Fix a bug in StringMatcher where regexes would match incorrectly when ignore_case is set to true. (#8723)
  • xds/resolver:
    • Drop previous route resources and report an error when no matching virtual host is found.
    • Only log LDS/RDS configuration errors following a successful update and retain the last valid resource to prevent transient failures. (#8711)
  • client:
    • Change connectivity state to CONNECTING when creating the name resolver (as part of exiting IDLE).
    • Change connectivity state to TRANSIENT_FAILURE if name resolver creation fails (as part of exiting IDLE).
    • Change connectivity state to IDLE after idle timeout expires even when current state is TRANSIENT_FAILURE.
    • Fix a bug that resulted in OnFinish call option not being invoked for RPCs where stream creation failed. (#8710)
  • xdsclient: Fix a race in the xdsClient that could lead to resource-not-found errors. (#8627)

Performance Improvements

  • mem: Round up to nearest 4KiB for pool allocations larger than 1MiB. (#8705)
Commits
  • 9df039e Change version to 1.78.0 (#8761)
  • 9b990b6 gracefulswitch: Wait for all goroutines on close (#8746)
  • 6677d9a xds: Fixing a typo (#8760)
  • d35cedd xds/resolver: pass route's auto_host_rewrite to LB picker (gRFC A81) (#8740)
  • d931fdc client: allow overriding grpc-accept-encoding header (#8718)
  • 0800ec7 xds/clusterimpl: update TestChildPolicyChangeOnConfigUpdate to use custom lb ...
  • 6553ea1 stats/otel: Add subchannel metrics (A94) (#8738)
  • 81a00ce grpc: Fixing spelling typo (#8756)
  • e413838 client: Change connectivity state to CONNECTING when creating the name resolv...
  • f9d2bdb stats/otel: Add grpc.lb.backend_service label to wrr metrics (A89) (#8737)
  • Additional commits viewable in compare view

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Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.77.0 to 1.78.0.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](grpc/grpc-go@v1.77.0...v1.78.0)

---
updated-dependencies:
- dependency-name: google.golang.org/grpc
  dependency-version: 1.78.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
@dependabot dependabot bot added dependencies Pull requests that update a dependency file Go labels Dec 29, 2025
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Benchmark Result

Benchmark diff with base branch
goos: linux
goarch: amd64
pkg: github.com/splunk/stef/benchmarks
cpu: Intel(R) Xeon(R) Platinum 8370C CPU @ 2.80GHz
                                                 │ bench-main.txt │            bench-new.txt             │
                                                 │     sec/op     │    sec/op      vs base               │
SerializeNative/STEF/serialize-4                     9.853m ± 12%   10.780m ± 17%        ~ (p=0.180 n=6)
SerializeNative/STEFU/serialize-4                    31.37m ±  2%    31.39m ±  3%        ~ (p=0.818 n=6)
DeserializeNative/STEF/deser-4                       2.552m ±  2%    2.552m ±  2%        ~ (p=0.589 n=6)
DeserializeNative/STEFU/deser-4                      7.279m ±  2%    7.210m ±  3%        ~ (p=0.485 n=6)
SerializeFromPdata/STEF/serialize-4                  127.3m ±  2%    124.7m ±  2%        ~ (p=0.065 n=6)
SerializeFromPdata/STEFU/serialize-4                 31.41m ±  3%    31.16m ±  3%        ~ (p=0.485 n=6)
DeserializeToPdata/STEF/deserialize-4                48.26m ±  4%    48.15m ±  2%        ~ (p=0.394 n=6)
DeserializeToPdata/STEFU/deserialize-4               66.13m ±  1%    66.89m ±  3%        ~ (p=0.240 n=6)
STEFReaderRead-4                                     2.689m ±  2%    2.771m ±  5%   +3.03% (p=0.026 n=6)
STEFSerializeMultipart/astronomy-otelmetrics-4        3.469 ± 24%     3.445 ± 24%        ~ (p=0.485 n=6)
STEFDeserializeMultipart/astronomy-otelmetrics-4     77.22m ± 13%    77.54m ± 13%        ~ (p=1.000 n=6)
ReadSTEF-4                                           2.929m ±  6%    2.682m ±  6%   -8.46% (p=0.015 n=6)
ReadSTEFZ-4                                          4.074m ±  6%    3.660m ±  5%  -10.15% (p=0.004 n=6)
ReadSTEFZWriteSTEF-4                                 8.769m ±  2%    8.590m ±  3%        ~ (p=0.310 n=6)
geomean                                              21.81m          21.62m         -0.91%

                                                 │ bench-main.txt │            bench-new.txt             │
                                                 │   sec/point    │   sec/point    vs base               │
SerializeNative/STEF/serialize-4                     147.3n ± 12%    161.2n ± 17%        ~ (p=0.180 n=6)
SerializeNative/STEFU/serialize-4                    469.1n ±  2%    469.4n ±  3%        ~ (p=0.853 n=6)
DeserializeNative/STEF/deser-4                       38.16n ±  2%    38.17n ±  2%        ~ (p=0.589 n=6)
DeserializeNative/STEFU/deser-4                      108.9n ±  2%    107.8n ±  3%        ~ (p=0.485 n=6)
SerializeFromPdata/STEF/serialize-4                  1.904µ ±  2%    1.865µ ±  2%        ~ (p=0.065 n=6)
SerializeFromPdata/STEFU/serialize-4                 469.7n ±  3%    466.0n ±  3%        ~ (p=0.485 n=6)
DeserializeToPdata/STEF/deserialize-4                721.9n ±  4%    720.2n ±  2%        ~ (p=0.394 n=6)
DeserializeToPdata/STEFU/deserialize-4               989.0n ±  2%   1000.4n ±  3%        ~ (p=0.240 n=6)
STEFReaderRead-4                                     40.22n ±  2%    41.44n ±  5%   +3.03% (p=0.026 n=6)
STEFSerializeMultipart/astronomy-otelmetrics-4       4.409µ ± 24%    4.379µ ± 24%        ~ (p=0.485 n=6)
STEFDeserializeMultipart/astronomy-otelmetrics-4     98.16n ± 13%    98.55n ± 13%        ~ (p=1.000 n=6)
ReadSTEF-4                                           43.85n ±  6%    40.13n ±  6%   -8.47% (p=0.015 n=6)
ReadSTEFZ-4                                          60.96n ±  6%    54.78n ±  5%  -10.15% (p=0.004 n=6)
ReadSTEFZWriteSTEF-4                                 131.2n ±  2%    128.6n ±  3%        ~ (p=0.310 n=6)
geomean                                              229.4n          227.4n         -0.90%

                                                 │ bench-main.txt │           bench-new.txt            │
                                                 │      B/op      │     B/op      vs base              │
SerializeNative/STEF/serialize-4                     3.342Mi ± 0%   3.345Mi ± 0%       ~ (p=0.310 n=6)
SerializeNative/STEFU/serialize-4                    7.530Mi ± 0%   7.530Mi ± 0%       ~ (p=0.379 n=6)
DeserializeNative/STEF/deser-4                       934.4Ki ± 0%   934.4Ki ± 0%       ~ (p=1.000 n=6)
DeserializeNative/STEFU/deser-4                      1.471Mi ± 0%   1.471Mi ± 0%       ~ (p=0.455 n=6)
SerializeFromPdata/STEF/serialize-4                  74.82Mi ± 0%   74.82Mi ± 0%       ~ (p=0.524 n=6)
SerializeFromPdata/STEFU/serialize-4                 7.530Mi ± 0%   7.530Mi ± 0%       ~ (p=0.584 n=6)
DeserializeToPdata/STEF/deserialize-4                31.97Mi ± 0%   31.97Mi ± 0%       ~ (p=0.130 n=6)
DeserializeToPdata/STEFU/deserialize-4               38.64Mi ± 0%   38.64Mi ± 0%       ~ (p=0.227 n=6)
STEFReaderRead-4                                     936.2Ki ± 0%   936.2Ki ± 0%       ~ (p=1.000 n=6)
STEFSerializeMultipart/astronomy-otelmetrics-4       3.360Gi ± 0%   3.363Gi ± 0%       ~ (p=0.240 n=6)
STEFDeserializeMultipart/astronomy-otelmetrics-4     20.59Mi ± 0%   20.59Mi ± 0%       ~ (p=0.565 n=6)
ReadSTEF-4                                           936.2Ki ± 0%   936.2Ki ± 0%       ~ (p=0.303 n=6)
ReadSTEFZ-4                                          10.27Mi ± 0%   10.27Mi ± 0%       ~ (p=0.229 n=6)
ReadSTEFZWriteSTEF-4                                 13.43Mi ± 0%   13.43Mi ± 0%       ~ (p=0.647 n=6)
geomean                                              10.48Mi        10.48Mi       +0.01%

                                                 │ bench-main.txt │            bench-new.txt            │
                                                 │   allocs/op    │  allocs/op   vs base                │
SerializeNative/STEF/serialize-4                      2.652k ± 1%   2.658k ± 0%       ~ (p=0.327 n=6)
SerializeNative/STEFU/serialize-4                      884.5 ± 0%    884.5 ± 0%       ~ (p=1.000 n=6)
DeserializeNative/STEF/deser-4                         465.0 ± 0%    465.0 ± 0%       ~ (p=1.000 n=6) ¹
DeserializeNative/STEFU/deser-4                        469.0 ± 0%    469.0 ± 0%       ~ (p=1.000 n=6) ¹
SerializeFromPdata/STEF/serialize-4                   134.7k ± 0%   134.7k ± 0%       ~ (p=1.000 n=6)
SerializeFromPdata/STEFU/serialize-4                   886.0 ± 0%    885.0 ± 0%       ~ (p=0.080 n=6)
DeserializeToPdata/STEF/deserialize-4                 756.2k ± 0%   756.2k ± 0%       ~ (p=1.000 n=6) ¹
DeserializeToPdata/STEFU/deserialize-4                944.9k ± 0%   944.9k ± 0%       ~ (p=1.000 n=6) ¹
STEFReaderRead-4                                       465.0 ± 0%    465.0 ± 0%       ~ (p=1.000 n=6) ¹
STEFSerializeMultipart/astronomy-otelmetrics-4        13.15M ± 0%   13.15M ± 0%       ~ (p=0.699 n=6)
STEFDeserializeMultipart/astronomy-otelmetrics-4      2.295k ± 0%   2.295k ± 0%       ~ (p=1.000 n=6)
ReadSTEF-4                                             466.0 ± 0%    466.0 ± 0%       ~ (p=1.000 n=6) ¹
ReadSTEFZ-4                                            504.0 ± 0%    504.0 ± 0%       ~ (p=1.000 n=6) ¹
ReadSTEFZWriteSTEF-4                                  1.234k ± 0%   1.234k ± 0%       ~ (p=1.000 n=6) ¹
geomean                                               6.361k        6.361k       +0.01%
¹ all samples are equal
Benchmark result
benchstat bench-new.txt
goos: linux
goarch: amd64
pkg: github.com/splunk/stef/benchmarks
cpu: Intel(R) Xeon(R) Platinum 8370C CPU @ 2.80GHz
                                                 │ bench-new.txt │
                                                 │    sec/op     │
SerializeNative/STEF/serialize-4                    10.78m ± 17%
SerializeNative/STEFU/serialize-4                   31.39m ±  3%
DeserializeNative/STEF/deser-4                      2.552m ±  2%
DeserializeNative/STEFU/deser-4                     7.210m ±  3%
SerializeFromPdata/STEF/serialize-4                 124.7m ±  2%
SerializeFromPdata/STEFU/serialize-4                31.16m ±  3%
DeserializeToPdata/STEF/deserialize-4               48.15m ±  2%
DeserializeToPdata/STEFU/deserialize-4              66.89m ±  3%
STEFReaderRead-4                                    2.771m ±  5%
STEFSerializeMultipart/astronomy-otelmetrics-4       3.445 ± 24%
STEFDeserializeMultipart/astronomy-otelmetrics-4    77.54m ± 13%
ReadSTEF-4                                          2.682m ±  6%
ReadSTEFZ-4                                         3.660m ±  5%
ReadSTEFZWriteSTEF-4                                8.590m ±  3%
geomean                                             21.62m

                                                 │ bench-new.txt │
                                                 │   sec/point   │
SerializeNative/STEF/serialize-4                    161.2n ± 17%
SerializeNative/STEFU/serialize-4                   469.4n ±  3%
DeserializeNative/STEF/deser-4                      38.17n ±  2%
DeserializeNative/STEFU/deser-4                     107.8n ±  3%
SerializeFromPdata/STEF/serialize-4                 1.865µ ±  2%
SerializeFromPdata/STEFU/serialize-4                466.0n ±  3%
DeserializeToPdata/STEF/deserialize-4               720.2n ±  2%
DeserializeToPdata/STEFU/deserialize-4              1.000µ ±  3%
STEFReaderRead-4                                    41.44n ±  5%
STEFSerializeMultipart/astronomy-otelmetrics-4      4.379µ ± 24%
STEFDeserializeMultipart/astronomy-otelmetrics-4    98.55n ± 13%
ReadSTEF-4                                          40.13n ±  6%
ReadSTEFZ-4                                         54.78n ±  5%
ReadSTEFZWriteSTEF-4                                128.6n ±  3%
geomean                                             227.4n

                                                 │ bench-new.txt │
                                                 │     B/op      │
SerializeNative/STEF/serialize-4                    3.345Mi ± 0%
SerializeNative/STEFU/serialize-4                   7.530Mi ± 0%
DeserializeNative/STEF/deser-4                      934.4Ki ± 0%
DeserializeNative/STEFU/deser-4                     1.471Mi ± 0%
SerializeFromPdata/STEF/serialize-4                 74.82Mi ± 0%
SerializeFromPdata/STEFU/serialize-4                7.530Mi ± 0%
DeserializeToPdata/STEF/deserialize-4               31.97Mi ± 0%
DeserializeToPdata/STEFU/deserialize-4              38.64Mi ± 0%
STEFReaderRead-4                                    936.2Ki ± 0%
STEFSerializeMultipart/astronomy-otelmetrics-4      3.363Gi ± 0%
STEFDeserializeMultipart/astronomy-otelmetrics-4    20.59Mi ± 0%
ReadSTEF-4                                          936.2Ki ± 0%
ReadSTEFZ-4                                         10.27Mi ± 0%
ReadSTEFZWriteSTEF-4                                13.43Mi ± 0%
geomean                                             10.48Mi

                                                 │ bench-new.txt │
                                                 │   allocs/op   │
SerializeNative/STEF/serialize-4                     2.658k ± 0%
SerializeNative/STEFU/serialize-4                     884.5 ± 0%
DeserializeNative/STEF/deser-4                        465.0 ± 0%
DeserializeNative/STEFU/deser-4                       469.0 ± 0%
SerializeFromPdata/STEF/serialize-4                  134.7k ± 0%
SerializeFromPdata/STEFU/serialize-4                  885.0 ± 0%
DeserializeToPdata/STEF/deserialize-4                756.2k ± 0%
DeserializeToPdata/STEFU/deserialize-4               944.9k ± 0%
STEFReaderRead-4                                      465.0 ± 0%
STEFSerializeMultipart/astronomy-otelmetrics-4       13.15M ± 0%
STEFDeserializeMultipart/astronomy-otelmetrics-4     2.295k ± 0%
ReadSTEF-4                                            466.0 ± 0%
ReadSTEFZ-4                                           504.0 ± 0%
ReadSTEFZWriteSTEF-4                                 1.234k ± 0%
geomean                                              6.361k

@tigrannajaryan tigrannajaryan merged commit 59f0a37 into main Jan 5, 2026
9 checks passed
@dependabot dependabot bot deleted the dependabot/go_modules/otelcol/google.golang.org/grpc-1.78.0 branch January 5, 2026 18:09
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