Add note to slurm.conf man page about setting "--cpu_bind=no" as part
of SallocDefaultCommand if a TaskPlugin is in use.

Revert call to getaddrinfo, restoring gethostbyaddr (introduced in Slurm
    16.05.0pre1) which was failing on some systems. Specifically test7.2
    was failing on some systems with getaddrinfo() returning an error of
    "System error: Resource temporarily unavailable". Partial reversion
    of commit 89621f65

was also given.

Split partition's "Priority" field into "PriorityTier" (used to order
    partitions for scheduling and preemption) plus "PriorityJobFactor" (used by
    priority/multifactor plugin in calculating job priority, which is used to
    order jobs within a partition for scheduling).
bug 2479

a partition.

This also reverts most of commit fa331e30 as well as commit bd9fa830
which would try to set the pn_min_cpus every time a job was updated.
If a job didn't request node counts then they were hosed.

This commit takes away the magic which was screwing things up.  Now the
person gets what they asked for without magic changing things.

Bug 2302
Bug 2742
Bug 2478

erroneously.

This whole process could probably be done better by keeping track of
old values and new values and only calling one function instead of a
pre and post function, but that can probably wait for future generations
of the code as it works now and is probably adequate for the time being.

Bug 2352

BurstBuffer/cray - Defer job cancellation or time limit while "pre-run"
    operation in progress to avoid inconsistent state due to multiple calls
    to job termination functions.
bug 2454

a new account and making it a default all at once.

Bug 2428

Match acct_gather_energy/rapl plugin. Bug 2397.

Control whether the scheduler will continue to try to run jobs in
a partition if a higher priority job is stuck due to an association
limit.

Can cause starvation for larger jobs, but will improve throughput and
utilization for systems that have extensively divvyed up their resources
through association/QOS limits.

Bug 2388 and 2452.

Bug 2453

have been selected set the time limit appropriately if the job didn't
request one.

If the partition has no DefaultTime setting, and no time_limit was given
for the job, job_ptr->time_limit == NO_VAL.

With AccountingStorageEnforce=safe this will prevent jobs from ever
starting if the association has any limit set for CPUMins.
(NO_VAL * cpus is a very large number, but if no time_limit is given
anywhere that is what they get :))

Bug 2388.

a parsing option.

Dynamically set columns widths based on largest number in column.

abort() rather than continue if pthread_mutex_ calls fail. better
to die early rather than continue on and risk corruption. mirrors
the (now removed) macro definitions from cbuf/hostlist/list.

accounting.

period.  This would only hit you if you rerolled a 15.08 prior to this
commit.

Calling _init() on the plugins can have side-effects, and is not safe.

E.g., select/bluegene, switch/nrt, */cray, all make calls to
external APIs that could cause unexpected problems.

This reverts commit 19fc9d94.

Conflicts:
	NEWS

Compare the saved clustername to slurmctld's, if there's a mismatch prevent
slurmctld from starting to avoid corruption from separate clusters attempting
to share a single state directory.

Bug 2433.

Bug 2427

Reproduced with:
sacctmgr show user withassoc user= user=<username>

Add new PowerParameters options of get_timeout and set_timeout. The default
    set_timeout was increased from 5 seconds to 30 seconds. Also re-read current
    power caps periodically or after any failed "set" operation.
bug 2332

Build should work on non-glibc distributions by better POSIX conformance.

This reverts commit 6c21c441.

# Conflicts:
#	NEWS

This is being reverted because we have been informed turning off NHC by
default is not what Cray wants.  We hope for a day when this will be
the case and Slurm can run NHC on the compute node but until that day
this is the way we will handle it.

structure.

Bug 2406

Continuations of a0bb9c1e and 4b0fc9e8

Use PRIu64 instead of %ld for uint64_t types (libsh5util_old),
%zu instead of PRIu64 for size_t.

Support AuthInfo in slurmdbd.conf that is different from the value in
    slurm.conf.
There is a possible bug in the slurm_get_auth_info function (src/common/slurm_protocol_api.c) that can cause the slurmdbd daemon to look for the AuthInfo parameter in slurm.conf instead of slurmdbd.conf when the auth/munge authentication method is used (AuthType=auth/munge).

Here is the slurmdbd log revealing the problem (debug5() printing were added in the sources) :

slurmdbd: slurmdbd version 15.08.7 started
slurmdbd: debug2: running rollup at Tue Feb 02 14:20:14 2016
slurmdbd: debug5: in ../../../src/slurmdbd/slurmdbd.c, _send_slurmctld_register_req (line 690)
slurmdbd: debug5: in ../../../src/common/slurm_protocol_api.c, slurm_send_node_msg (line 3601)
slurmdbd: debug5: in ../../../../../src/plugins/auth/munge/auth_munge.c, slurm_auth_create (line 217)
slurmdbd: debug5: in ../../../src/common/slurm_protocol_api.c, slurm_get_auth_ttl (line 1732)
slurmdbd: debug5: Entering ../../../src/common/slurm_protocol_api.c, slurm_get_auth_info
slurmdbd: debug:  Reading slurm.conf file: /usr/local/slurm-15-08-7-1/etc/slurm.conf
slurmdbd: error: s_p_parse_file: unable to status file /usr/local/slurm-15-08-7-1/etc/slurm.conf: No such file or directory, retrying in 1sec up to 60sec
...

Then 60 seconds later, the auth_info value returned by slurm_get_auth_info is NULL:

slurmdbd: debug5: Leaving ../../../src/common/slurm_protocol_api.c, slurm_get_auth_info, auth_info=(null)

and slurmdbd continues without crashing, but I am not sure it is in a safe state.

When applying this patch :

diff --git a/src/common/slurm_protocol_api.c b/src/common/slurm_protocol_api.c
index c5db879..be1dab6 100644
--- a/src/common/slurm_protocol_api.c
+++ b/src/common/slurm_protocol_api.c
@@ -1703,9 +1703,13 @@ extern char *slurm_get_auth_info(void)
        char *auth_info;
        slurm_ctl_conf_t *conf;

-       conf = slurm_conf_lock();
-       auth_info = xstrdup(conf->authinfo);
-       slurm_conf_unlock();
+       if (slurmdbd_conf) {
+                auth_info = xstrdup(slurmdbd_conf->auth_info);
+        } else {
+               conf = slurm_conf_lock();
+               auth_info = xstrdup(conf->authinfo);
+               slurm_conf_unlock();
+       }

        return auth_info;
 }

the auth_info value is now valid and consistent with the slurmdbd.conf setting:

slurmdbd: slurmdbd version 15.08.7 started
slurmdbd: debug2: running rollup at Tue Feb 02 14:47:37 2016
slurmdbd: debug5: in ../../../src/slurmdbd/slurmdbd.c, _send_slurmctld_register_req (line 690)
slurmdbd: debug5: in ../../../src/common/slurm_protocol_api.c, slurm_send_node_msg (line 3600)
slurmdbd: debug5: in ../../../../../src/plugins/auth/munge/auth_munge.c, slurm_auth_create (line 217)
slurmdbd: debug5: in ../../../src/common/slurm_protocol_api.c, slurm_get_auth_ttl (line 1731)
slurmdbd: debug5: Entering ../../../src/common/slurm_protocol_api.c, slurm_get_auth_info
slurmdbd: debug5: Leaving ../../../src/common/slurm_protocol_api.c, slurm_get_auth_info, auth_info=socket=/var/run/munge/munge_dbd.socket.2