8454fa21a0
blockstorage-consistency-groups.rst blockstorage-driver-filter-weighing.rst Also updated the toctree for clarity, which required moving some content to new files. Change-Id: Id6356d33f6868025ada83da518471c63effe2235 Implements: blueprint reorganise-user-guides
33 lines
1.4 KiB
ReStructuredText
33 lines
1.4 KiB
ReStructuredText
=============================================
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Increase Block Storage API service throughput
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By default, the Block Storage API service runs in one process. This
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limits the number of API requests that the Block Storage service can
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process at any given time. In a production environment, you should
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increase the Block Storage API throughput by allowing the Block Storage
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API service to run in as many processes as the machine capacity allows.
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.. note::
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The Block Storage API service is named ``openstack-cinder-api`` on
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the following distributions: CentOS, Fedora, openSUSE, Red Hat
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Enterprise Linux, and SUSE Linux Enterprise. In Ubuntu and Debian
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distributions, the Block Storage API service is named ``cinder-api``.
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To do so, use the Block Storage API service option ``osapi_volume_workers``.
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This option allows you to specify the number of API service workers
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(or OS processes) to launch for the Block Storage API service.
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To configure this option, open the :file:`/etc/cinder/cinder.conf`
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configuration file and set the ``osapi_volume_workers`` configuration
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key to the number of CPU cores/threads on a machine.
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On distributions that include ``openstack-config``, you can configure
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this by running the following command instead::
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# openstack-config --set /etc/cinder/cinder.conf \
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DEFAULT osapi_volume_workers CORES
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Replace ``CORES`` with the number of CPU cores/threads on a machine.
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