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ci(backend): Run 4 xdist workers per backend test shard on ubuntu-26.04 - #129338

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ci/add-xdist-worker-backend-tests

Draft

ci(backend): Run 4 xdist workers per backend test shard on ubuntu-26.04#129338
joshuarli wants to merge 11 commits into
masterfrom
ci/add-xdist-worker-backend-tests

Commits on Oct 30, 2026
- ci(backend): use 4 xdist workers for backend tests
  
  joshuarli
  authored and
  sentry-junior[bot]
  committed
  6ebab95
- ci(backend): monitor cpu/memory during backend test shards
  
  joshuarli
  authored and
  sentry-junior[bot]
  committed
  c8c053d
- ci(backend): attribute shard CPU by process and profile pytest with py-spy
  
  sentry-junior[bot]
  and
  joshuarli
  committed
  9ae4c28
- ci(backend): keep full filenames in py-spy stacks
  
  sentry-junior[bot]
  and
  joshuarli
  committed
  b422cc5
- ci(backend): prewarm assert rewrites, tune test postgres, name exited-process CPU
  
  sentry-junior[bot]
  and
  joshuarli
  committed
  dc95ea4
- ci(backend): fix prewarmed traceback paths, skip Kafka healthcheck JVMs, count postgres connections
  
  sentry-junior[bot]
  and
  joshuarli
  committed
  358c6c6
- ci(backend): turn off test postgres autovacuum, summarize postgres and clickhouse activity
  
  sentry-junior[bot]
  and
  joshuarli
  committed
  7bd45a1
- ci(backend): TEMP 3-worker control run, record runner CPU model, drop postgres experiments
  
  sentry-junior[bot]
  and
  joshuarli
  committed
  f18856b
- ci(backend): back to 4 workers, drop one-off service diagnostics
  
  sentry-junior[bot]
  and
  joshuarli
  committed
  dca93ab
- ci(backend): Run backend test shards on ubuntu-26.04, disable py-spy profiling
  
  sentry-junior[bot]
  and
  joshuarli
  committed
  35e6a66
- ci(acceptance): Run on ubuntu-26.04, add resource monitor and cheap Kafka healthcheck
  
  sentry-junior[bot]
  and
  joshuarli
  committed
  06e6ecc

Commits

Commits on Oct 30, 2026