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Administrators may wish to constrain the set of cores that BIND 9 runs on via the 'taskset', 'cpuset' or 'numactl' programs (or equivalent on other O/S), for example to achieve higher (or more stable) performance by more closely associating threads with individual NIC rx queues. If the admin has used taskset, it follows that BIND ought to automatically use the given number of CPUs rather than the system wide count. Co-Authored-By: Ray Bellis <ray@isc.org>
21 lines
622 B
Bash
21 lines
622 B
Bash
#!/bin/sh
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# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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#
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# SPDX-License-Identifier: MPL-2.0
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#
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, you can obtain one at https://mozilla.org/MPL/2.0/.
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#
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# See the COPYRIGHT file distributed with this work for additional
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# information regarding copyright ownership.
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. ../conf.sh
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command -v cpuset >/dev/null || command -v numactl >/dev/null || command -v taskset >/dev/null || {
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echo_i "This test requires cpuset, numactl, or taskset." >&2
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exit 255
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}
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exit 0
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