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@mcovarr mcovarr released this 25 Aug 18:48
· 572 commits to develop since this release
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67 Release Notes

Configuration updates for improved scaling

Some configuration changes were introduced in Cromwell 67 to support improved scaling. See Cromwell's reference.conf for details on new parameters.

  • I/O throttling moved from io to its own io.throttle stanza; config updates may be required if these values are currently being overridden in local deployments.

  • The default system.job-rate-control has been changed from 50 per second to 20 per 10 seconds.

  • New configuration parameters have been introduced for values which were previously hardcoded constants:

    • system.file-hash-batch-size, value updated from 100 to 50.
    • io.gcs.max-batch-size, value stays the same at 100.
    • io.gcs.max-batch-duration, value stays the same at 5 seconds.

  • New configuration parameters which should not require updating:

    • io.command-backpressure-staleness
    • io.backpressure-extension-log-threshold
    • load-control.io-normal-window-minimum
    • load-control.io-normal-window-maximum

  • io.nio.parallelism was previously misspelled in reference.conf but not in Cromwell's configuration reading code. Only correct spellings of this configuration key had or will have effect.

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