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Remove spurious writes and adjust sleep

This commit is contained in:
Joshua Boniface 2020-10-20 16:04:26 -04:00
parent 11fa3b0df3
commit a6d492ed9f
1 changed files with 1 additions and 7 deletions
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8
node-daemon/pvcnoded/VMInstance.py
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@ -476,7 +476,6 @@ class VMInstance(object):
do_migrate_shutdown = True do_migrate_shutdown = True
self.logger.out('Releasing write lock for synchronization phase B', state='i', prefix='Domain {}'.format(self.domuuid)) self.logger.out('Releasing write lock for synchronization phase B', state='i', prefix='Domain {}'.format(self.domuuid))
zkhandler.writedata(self.zk_conn, { '/locks/primary_node': self.domuuid })
lock.release() lock.release()
self.logger.out('Released write lock for synchronization phase B', state='o') self.logger.out('Released write lock for synchronization phase B', state='o')
@ -494,7 +493,6 @@ class VMInstance(object):
migrate_shutdown_result = migrate_shutdown() migrate_shutdown_result = migrate_shutdown()
self.logger.out('Releasing write lock for synchronization phase C', state='i', prefix='Domain {}'.format(self.domuuid)) self.logger.out('Releasing write lock for synchronization phase C', state='i', prefix='Domain {}'.format(self.domuuid))
zkhandler.writedata(self.zk_conn, { '/locks/primary_node': self.domuuid })
lock.release() lock.release()
self.logger.out('Released write lock for synchronization phase C', state='o') self.logger.out('Released write lock for synchronization phase C', state='o')
@ -519,14 +517,11 @@ class VMInstance(object):
if self.node == self.lastnode: if self.node == self.lastnode:
return return
# Slight delay before firing
time.sleep(0.2)
# Wait for any in-progress migrations # Wait for any in-progress migrations
if zkhandler.readdata(self.zk_conn, '/locks/domain_migrate') != '': if zkhandler.readdata(self.zk_conn, '/locks/domain_migrate') != '':
self.logger.out('Queueing for completion of existing migration', state='i', prefix='Domain {}'.format(self.domuuid)) self.logger.out('Queueing for completion of existing migration', state='i', prefix='Domain {}'.format(self.domuuid))
while zkhandler.readdata(self.zk_conn, '/locks/domain_migrate') != '': while zkhandler.readdata(self.zk_conn, '/locks/domain_migrate') != '':
time.sleep(0.1) time.sleep(0.2)
self.inreceive = True self.inreceive = True
live_receive = True live_receive = True
@ -543,7 +538,6 @@ class VMInstance(object):
self.logger.out('Acquired write lock for synchronization phase A', state='o', prefix='Domain {}'.format(self.domuuid)) self.logger.out('Acquired write lock for synchronization phase A', state='o', prefix='Domain {}'.format(self.domuuid))
time.sleep(0.5) # Time for reader to acquire the lock time.sleep(0.5) # Time for reader to acquire the lock
self.logger.out('Releasing write lock for synchronization phase A', state='i', prefix='Domain {}'.format(self.domuuid)) self.logger.out('Releasing write lock for synchronization phase A', state='i', prefix='Domain {}'.format(self.domuuid))
zkhandler.writedata(self.zk_conn, { '/locks/domain_migrate': self.domuuid })
lock.release() lock.release()
self.logger.out('Released write lock for synchronization phase A', state='o', prefix='Domain {}'.format(self.domuuid)) self.logger.out('Released write lock for synchronization phase A', state='o', prefix='Domain {}'.format(self.domuuid))
time.sleep(0.1) # Time for new writer to acquire the lock time.sleep(0.1) # Time for new writer to acquire the lock