region sharding example #6209
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region sharding example #6209
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Signed-off-by: deepthi <deepthi@planetscale.com>
deepthi
commented
May 21, 2020
| CELL=zone1 ./scripts/vtctld-up.sh | ||
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| # start vttablets for main keyspace. we start only one tablet each (master) | ||
| CELL=zone1 TABLET_UID=100 ./scripts/mysqlctl-up.sh |
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Q: we are keeping all shards in the same cell. Will it make the example better to create multiple cells and put each shard in a different cell?
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Yeah. I think it will be important to showcase multi-cell.
sougou
reviewed
May 24, 2020
| CELL=zone1 ./scripts/vtctld-up.sh | ||
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| # start vttablets for main keyspace. we start only one tablet each (master) | ||
| CELL=zone1 TABLET_UID=100 ./scripts/mysqlctl-up.sh |
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Yeah. I think it will be important to showcase multi-cell.
Signed-off-by: deepthi <deepthi@planetscale.com>
sougou
approved these changes
May 29, 2020
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Multi-cell will be added in a future PR. |
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This example shows how to use a multi-column vindex + lookup vindex to shard using a location column.
The main table (customer) is sharded using a region_json vindex. The lookup table is sharded using keyspace_id so that the customer data and lookup data reside in the same shard.
Signed-off-by: deepthi deepthi@planetscale.com