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After MDEV-15528, two modes of operation in the fil_crypt_thread remains, depending on whether innodb_encryption_rotate_key_age=0 (whether key rotation is disabled). If the key rotation is disabled, the fil_crypt_thread miss the opportunity to sleep, which will result in lots of wasted CPU usage. fil_crypt_return_iops(): Add a parameter to specify whether other fil_crypt_thread should be woken up. fil_system_t::keyrotate_next(): Return the special value fil_system.temp_space to indicate that no work is to be done. fil_space_t::next(): Propagage the special value fil_system.temp_space to the caller. fil_crypt_find_space_to_rotate(): If no work is to be done, do not wake up other threads.
8 lines
287 B
Text
8 lines
287 B
Text
--innodb-encryption-rotate-key-age=0
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--innodb-encryption-threads=4
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--innodb-tablespaces-encryption
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--plugin-load-add=$FILE_KEY_MANAGEMENT_SO
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--loose-file-key-management
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--loose-file-key-management-filename=$MYSQL_TEST_DIR/std_data/logkey.txt
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--innodb_strict_mode
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--innodb_file_per_table
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