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修复多处数据库没有加锁导致的高并发下的竞态条件问题

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virusdefender
2015-12-08 22:49:05 +08:00
parent 3afdc1a58b
commit 89cb788d0a
2 changed files with 29 additions and 27 deletions
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2
judge_dispatcher/models.py
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@@ -20,7 +20,6 @@ class JudgeServer(models.Model):
server = JudgeServer.objects.select_for_update().get(id=self.id)
server.left_instance_number -= 1
server.workload = 100 - int(float(server.left_instance_number) / server.max_instance_number * 100)
print "\n ---- use", server.left_instance_number, server.workload
server.save()
def release_judge_instance(self):
@@ -28,7 +27,6 @@ class JudgeServer(models.Model):
server = JudgeServer.objects.select_for_update().get(id=self.id)
server.left_instance_number += 1
server.workload = 100 - int(float(server.left_instance_number) / server.max_instance_number * 100)
print "\n ---- release", server.left_instance_number, server.workload
server.save()
class Meta: