f3eade2f62
Drop the AGPL license in favor of a source-available license. See the blog post [1] for details. [1] https://www.scylladb.com/2024/12/18/why-were-moving-to-a-source-available-license/
43 lines
1.3 KiB
Python
Executable File
43 lines
1.3 KiB
Python
Executable File
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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#
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# Copyright 2019-present ScyllaDB
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#
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#
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# SPDX-License-Identifier: LicenseRef-ScyllaDB-Source-Available-1.0
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import os
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import sys
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import argparse
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from scylla_util import *
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if __name__ == '__main__':
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if os.getuid() > 0:
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print('Requires root permission.')
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sys.exit(1)
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parser = argparse.ArgumentParser(description='Configure memory for Scylla.')
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parser.add_argument('--lock-memory',
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help='lock all memory', action='store_true')
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parser.add_argument('--memory',
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help='memory to use, in bytes (ex: 4G, default=all)')
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parser.add_argument('--reserve-memory',
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help='memory reserved to OS (if --memory not specified)')
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args = parser.parse_args()
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if not args.lock_memory and not args.memory and not args.reserve_memory:
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parser.print_help()
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sys.exit(1)
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conf_args=[]
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if args.lock_memory:
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conf_args.append('--lock-memory=1')
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if args.memory:
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conf_args.append('--memory={}'.format(args.memory))
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if args.reserve_memory:
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conf_args.append('--reserve-memory={}'.format(args.reserve_memory))
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conf = 'MEM_CONF="{}"\n'.format(' '.join(conf_args))
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with open(str(etcdir_p() / 'scylla.d' / 'memory.conf'), 'w') as f:
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f.write(conf)
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