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(Updated May 28, 2015, 4:13 p.m.) Review request for mesos, Ben Mahler and Niklas Nielsen. Changes ------- Updated diff with minor feedback, updated description to mention slave_reregister_timeout fix. Bugs: MESOS-2110 https://issues.apache.org/jira/browse/MESOS-2110 Repository: mesos Description (updated) ------- Added new --slave_ping_timeout and --max_slave_ping_timeouts flags to mesos-master to supplement the DEFAULT_SLAVE_PING_TIMEOUT (15secs) and DEFAULT_MAX_SLAVE_PING_TIMEOUTS (5). These can be extended if slaves are expected/allowed to be down for longer than a minute or two. Slave will receive master's ping timeout in SlaveRe[re]gisteredMessage. Beware that this affects recovery from network timeouts as well as actual slave node/process failover. Also fixed the log message in recoveredSlavesTimeout() to correctly reference flags.slave_reregister_timeout instead of the unrelated ping timeouts. Diffs (updated) ----- docs/configuration.md 5a41477 docs/upgrades.md 355307a src/master/constants.hpp 57cf8fb src/master/constants.cpp 8c7174a src/master/flags.hpp 84fa238 src/master/flags.cpp 49d953a src/master/master.cpp 1526f59 src/messages/messages.proto 39dac72 src/slave/constants.hpp 206d439 src/slave/constants.cpp d8d2f98 src/slave/slave.hpp 0207eaf src/slave/slave.cpp b4d2029 src/tests/partition_tests.cpp f7ee3ab src/tests/slave_recovery_tests.cpp c036e9c src/tests/slave_tests.cpp acae497 Diff: https://reviews.apache.org/r/29507/diff/ Testing ------- Manually tested slave failover/shutdown with master using different --slave_ping_timeout and --max_slave_ping_timeouts. Ran unit tests with shorter non-default values for ping timeouts. `make check` with new unit tests: ShortPingTimeoutUnreachableMaster and ShortPingTimeoutUnreachableSlave Thanks, Adam B