From 904081cfd004e0c323dab56206dadda640a4ef9b Mon Sep 17 00:00:00 2001 From: Jim Garlick Date: Mon, 30 Sep 2019 16:25:36 -0700 Subject: [PATCH] NEWS.md: update release notes for 0.13.0 --- NEWS.md | 75 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 75 insertions(+) diff --git a/NEWS.md b/NEWS.md index 2c461f161ada..d98c572ceb33 100644 --- a/NEWS.md +++ b/NEWS.md @@ -1,3 +1,78 @@ +flux-core version 0.13.0 - 2019-10-01 +------------------------------------- + +## Summary: + +This version of flux-core enhances the new execution system to near full +functionality, including new tools for job submission, better MPI support, +task and GPU affinity options, and flexible job output handling including +redirection to bypass the KVS. A powerful shell plugin infrastructure allows +execution features to be selectively enabled by users. + +See flux-mini(1) for more info on the new job submission interface. + +Some deficiencies present in this release: + + * flux job list doesn't show inactive jobs + * no per-task output redirection + * output is space-inefficient in KVS (base64 encoding, one commit per line) + * no stdin redirection + * need better shell task cleanup and early task exit detection + * no debugger support (MPIR) + +### New features + + * flux-mini: new run/submit interface (#2409, #2390) + * flux-version: make flux -V,--version an alias, add manpage (#2412, #2426) + * shell: add gpu affinity support (#2406) + * shell: add builtin core affinity plugin (#2397) + * shell: Support stdout/stderr redirect to a file (#2395) + * shell: add support for plugins and shell initrc (#2376, #2392, #2357, #2335) + * shell: flush output to KVS on every line (#2366, #2332) + * shell: limit the number of I/O requests in flight (#2296) + * shell: use RFC 24 eventlog output (#2308) + * flux-job attach: add timestamps, --show-exec option (#2388) + * libioencode: convenience library for encoding io (#2293) + * libsubprocess: add start/stop for streams (#2271, #2333) + * libsubprocess: add `flux_subprocess_kill()` (#2297) + * job-info: development in support of job output (#2341, #2374, #2360, + #2303, #2307) + * flux-in-flux: flux --parent option, add `instance-level`, `jobid` + broker attributes (#2326, #2362) + * flux-in-flux: set `local_uri`, `remote_uri` in enclosing instance KVS (#2322) + +### Improvements + + * libflux/reactor: add `flux_reactor_active_incref()`, `_decref()` (#2387) + * libflux/module: add `flux_module_debug_test()` (#2373) + * libschedutil: export library for use by flux-sched and others (#2380) + * libschedutil: destroy pending futures on scheduler unload (#2226) + * libflux/message: drop `flux_msg_sendfd()`, `_recvfd()` from API (#2375) + * libflux/message: add `flux_msg_incref()` and `_decref()` (#2334) + * libflux: update message dispatch to support routers (#2367) + * libflux/buffer: increase efficiency of line buffered I/O (#2294) + * libsubprocess: cleanup ( #2343, #2286) + * testsuite improvements (#2404, #2400) + * build system cleanup (#2407) + * documentation cleanup (#2327) + * abstract in-tree detection into libutil (#2351) + * libjob: `flux_job_kvs_namespace()` (#2315) + +### Fixes + + * build: bump libflux-core.so version to 2 (#2427) + * sched-simple: reject requests with unknown resource types (#2425) + * restore libpmi2 to support MPICH/MVAPICH configured for slurm pmi2 (#2381) + * broker: avoid accidentally consuming % format characters in initial + program args (#2285) + * connector-local: suppress EPIPE write errors (#2316) + * libidset: fix `idset_last()` at size=32 (#2340, #2342) + * connectors/loop: do not accidentally close STDIN (#2339) + * job-exec: fix exception handling of jobs in transition states (#2309) + * broker: don't read `FLUX_RCX_PATH` to set rc1,rc3 paths (#2431) + * job-ingest: validator shebang can pick the wrong python (#2435) + + flux-core version 0.12.0 - 2019-08-01 -------------------------------------