flux-core v0.26.0

Published: Apr 22, 2021 by flux-framework

Download from GitHub here

Release Notes

This release features several performance improvements that affect job throughput over time (see issue #3583).

Fixes

• avoid mvapich segfault under flux start singleton (#3603)
• python: avoid throwing 2nd exception on unknown errno (#3588)
• avoid routing stale responses to restarted brokers (#3601)

Performance

• fix aggressive zhashx resize by importing fixed source (#3596, #3598)
• use zhashx, LRU in content-cache (#3589, #3593)
• drop root directory object from KVS setroot event (#3581)
• add minor optimizations to aux container (#3586)
• drop extra code in flux_matchtag_free() (#3590)
• libkvs: save KVS copy/move aux data in future not handle (#3585)

New Features

• libjob: add flux_job_result(3) (#3582)
• python: add explicit service_(un)register method (#3602)
• add overlay network version/config check (#3597)
• job-manager: enable job dependency management (#3563)

Cleanup/Testing

• flux-start: rename –size to –test-size, drop –bootstrap (#3605)