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https://github.com/ceph/ceph
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42 lines
1.3 KiB
Python
42 lines
1.3 KiB
Python
import time
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from cephfs_test_case import CephFSTestCase
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from teuthology.exceptions import CommandFailedError
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from tasks.cephfs.cephfs_test_case import CephFSTestCase, for_teuthology
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class OpenFileTable(CephFSTestCase):
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CLIENTS_REQUIRED = 1
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MDSS_REQUIRED = 1
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def test_max_items_per_obj(self):
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"""
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The maximum number of openfiles omap objects keys are now equal to
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osd_deep_scrub_large_omap_object_key_threshold option.
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"""
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self.set_conf("mds", "osd_deep_scrub_large_omap_object_key_threshold", "5")
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self.fs.mds_restart()
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self.fs.wait_for_daemons()
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# Write some bytes to a file
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size_mb = 1
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# Hold the file open
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file_count = 8
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for i in xrange(0, file_count):
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filename = "open_file{}".format(i)
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p = self.mount_a.open_background(filename)
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self.mount_a.write_n_mb(filename, size_mb)
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time.sleep(10)
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"""
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With osd_deep_scrub_large_omap_object_key_threshold value as 5 and
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opening 8 files we should have a new rados object with name
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mds0_openfiles.1 to hold the extra keys.
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"""
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stat_out = self.fs.rados(["stat", "mds0_openfiles.1"])
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# Now close the file
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self.mount_a.kill_background(p)
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