flux-core v0.9.0

Published: May 10, 2018 by flux-framework

Download from GitHub here.

Release Notes

Fixes

• numerous memory leak fixes (#1494, #1322)
• better support for C++ code (#1225, #1223, #1204)
• massive scalability improvement for libkz readers (#1411, #1424)
• increase job submission throughput (#1472, #1389)
• reduce amount of information collected in resource-hwloc to enhance large instance startup (#1457)
• i686 portability fixes (#1296)
• fixes for flux-kvs dir and ls usage (#1444, #1452)
• fix for clock_gettime workaround in Lua bindings (#1371)
• update minimum libhwloc to 1.11.1 to avoid assertion failure (#1478)
• fix incorrect output from option parsing when invalid short option is grouped with valid options in many commands (#1183)
• fix thread cancellation in sqlite module (#1196)
• fix segfault on 32bit systems in cron module (#1178)
• log errors from event redistribution (#1457)
• increase number of open files in wrexecd (#1450)
• fix job hangs during final task IO output flush (#1450)
• fixes for flux-wreck purge (#1357)
• scalability fixes for flux-wreck subcommands (#1372)
• general reduction in log messages at INFO level (#1450)
• improve valgrind.h detection (#1502)
• fix pkg-config pc name for liboptparse (#1506)
• fix flux executable run-from-build-tree auto-detection (#1515)

New Features

• support config file boot method for broker (#1320)
• new flux-kvs ls command (#1172, #1444)
• new kvs transaction API (#1346, #1348, #1351)
• support for KVS namespaces (#1286, #1299, #1316, #1323, #1320, #1327, #1336, #1390, #1423, #1432, #1436)
• support for node inclusion,exclusion via flux-wreck command (#1418)
• initial parser for jobspec (#1201, #1293, #1306)
• store child instance URI in enclosing instance (#1429)
• new flux-wreck uri command to fetch child instance URIs (#1429)
• additional states from kvs module (#1310)
• append support for KVS values (#1265)
• support multiple blobrefs per valref in kvs (#1227, #1237)
• add flux_kvs_lookup_get_raw(3) (#1218)
• add flux_kvs_lookup_get_key(3) (#1414)
• add flux_event_publish(3) to libflux API (#1512)
• support for composite futures in libflux (#1188)
• add flux_future_reset(3) to support multi-response RPCs (#1503)
• new libflux-idset library (#1498)
• support raw payloads in flux-event (#1488)
• add raw encode/decode to flux_event_* API (#1486)
• introduce R_lite format for job allocation description (#1399, #1485)
• new flux-hostlist command for listing hostnames for jobs (#1499)
• new flux-wreck environment manipulation commands (#1405)
• flux-wreck ls returns active jobs first (#1481)
• flux-wreck tools allow filtering on active,inactive jobs (#1481)
• flux-wreckrun will now block until job is scheduled by default, use the new –immediate flag to get old behavior (#1399)
• add flux-wreck cancel command to cancel pending job (#1365, #1367, #1385)
• add flux-wreck dumplog command to dump error log for jobs (#1450)
• add new KZ_FLAGS_NOFOLLOW flag to avoid blocking when no data in a kz file (#1450)
• add -n, --no-follow option to flux-wreck attach (#1450)
• propagate gpu and cores information for flux-wreckrun and submit (#1399, #1480)
• use cmb.exec service to launch wrexecd, not direct exec (#1508)
• new completing state for jobs (#1513)
• support job epilog pre-complete and post-complete scripts (#1513)
• support output to stderr with flux_log functions (#1192)

Cleanup

• kvs: major cleanup (#1154, #1177, #1182, #1190, #1214, #1213, #1233, #1235, #1242, #1243, #1244, #1246, #1248, #1253, #1257, #1262, #1263, #1268, #1269, #1273, #1274, #1276, #1279, #1300, #1301, #1304, #1308, #1309, #1301, #1314, #1315, #1321, #1329, #1339, #1342, #1343, #1347, #1349, #1353, #1383, #1402, #1404, #1440, #1458, #1466, #1477)
• kvs: improved test coverage (#1291)
• Add const to message payload accessor functions (#1212)
• rename flux_mrpcf, flux_mrpc_getf to flux_mrpc_pack,unpack (#1338)
• cleanup bulk message hanglers in libflux (#1277)
• minor flux_msg_handler cleanup (#1171)
• broker: cleanup to prepare for dynamic service registration (#1189)
• broker: general cleanup (#1230, #1234, #1241)
• Change key lwj to jobid in all jsc/wreck messages (#1409)
• libjsc cleanup (#1374, #1395, #1509)
• testsuite updates (#1167, #1175, #1313, #1464, #1266)
• Internal libutil and libflux cleanup (#1319, #1283, #1229, #1231, #1166)
• build system cleanup (#1163, #1354, #1184, #1200, #1275, #1252)
• disable pylint by default (#1255, #1258)
• partial migration from json-c to jansson (#1501, #1508)
• drop unused ev_zlist composite watcher (#1493)