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#!/usr/bin/env bash
#* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *#
#* *#
#* This file is part of the class library *#
#* SoPlex --- the Sequential object-oriented simPlex. *#
#* *#
#* Copyright (c) 1996-2025 Zuse Institute Berlin (ZIB) *#
#* *#
#* Licensed under the Apache License, Version 2.0 (the "License"); *#
#* you may not use this file except in compliance with the License. *#
#* You may obtain a copy of the License at *#
#* *#
#* http://www.apache.org/licenses/LICENSE-2.0 *#
#* *#
#* Unless required by applicable law or agreed to in writing, software *#
#* distributed under the License is distributed on an "AS IS" BASIS, *#
#* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *#
#* See the License for the specific language governing permissions and *#
#* limitations under the License. *#
#* *#
#* You should have received a copy of the Apache-2.0 license *#
#* along with SoPlex; see the file LICENSE. If not email soplex@zib.de. *#
#* *#
#* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *#
# In order to not overload the cluster, no jobs are submitted if the queue is too full
# instead, this script waits until the queue load falls under a threshold and returns
# for the calling script to continue submitting jobs.
# The cluster queue QUEUE has an upper bound of LIMIT jobs; if this limit is
# reached the submitted jobs are dumped; to avoid that we check the total
# load of the cluster and wait until it is safe (total load not more than
# LIMIT jobs or we have submitted less than LIMITQUEUE jobs) to submit the next job.
# Usage example: ./waitcluster.sh 1600 ${QUEUE} 200
LIMIT="${1}"
QUEUE="${2}"
LIMITQUEUE="${3}"
while true
do
ALLQUEUED=$(qstat | grep -c "")
QUEUED=$(qstat -u "${USER}" | grep -c " ${QUEUE} ")
RUNNING=$(qstat -u "${USER}" | grep -c " R ")
# display current user load and total load
echo "jobs in progress: ${RUNNING} / ${QUEUED} (${ALLQUEUED})"
if test "${ALLQUEUED}" -le 1990
then
if test "${QUEUED}" -le "${LIMITQUEUE}"
then
break
fi
if test "${ALLQUEUED}" -le "${LIMIT}"
then
break
fi
fi
sleep 30
done
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