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dukhlov | ajayaa: yes, for this case you can use update_item | 10:43 |
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dukhlov | ajayaa: but, update_ item implementation now read old value and execute CQL UPDATE with condition - so it is quite slow operation. If your application don't care about concurrent write access to this field (if for example you have only one write thread) you can perform get_item and then put_item without any condition to optimize performace. | 10:47 |
dukhlov | ajayaa: but if we are talking about API only - update_item - is right way | 10:47 |
openstackgerrit | Dmitriy Ukhlov proposed stackforge/magnetodb: Migrate custom local secondary indices to Cassandra 2.1.2 https://review.openstack.org/152513 | 10:49 |
ajayaa | dukhlov, got it. Thanks. | 10:49 |
ajayaa | So right now if there are multiple api servers would there be race conditions in update item? | 10:49 |
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dukhlov | yes, always, even if we have only 1 API server | 11:20 |
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openstackgerrit | Dmitriy Ukhlov proposed stackforge/magnetodb: Migrate custom local secondary indices to Cassandra 2.1.2 https://review.openstack.org/152513 | 12:09 |
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openstackgerrit | Dmitriy Ukhlov proposed stackforge/magnetodb: Migrate custom local secondary indices to Cassandra 2.1.2 https://review.openstack.org/152513 | 13:11 |
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openstackgerrit | Dmitriy Ukhlov proposed stackforge/magnetodb: Migrate custom local secondary indices to Cassandra 2.1.2 https://review.openstack.org/152513 | 14:55 |
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openstackgerrit | Dmitriy Ukhlov proposed stackforge/magnetodb: Migrate custom local secondary indices to Cassandra 2.1.2 https://review.openstack.org/152513 | 16:55 |
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openstackgerrit | Dmitriy Ukhlov proposed stackforge/magnetodb: Migrate custom local secondary indices to Cassandra 2.1.2 https://review.openstack.org/152513 | 17:39 |
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openstackgerrit | Dmitriy Ukhlov proposed stackforge/magnetodb: Migrate custom local secondary indices to Cassandra 2.1.2 https://review.openstack.org/152513 | 18:24 |
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openstackgerrit | Charles Wang proposed stackforge/magnetodb: Add check for non-existing table internal name for delete table https://review.openstack.org/156806 | 22:32 |
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