Last Updated: Apr 12, 2018

The shard is the basic unit to read and write logs in each Logstore. You can specify the number of shards in each Logstore. Each shard has certain service capacities:

  • Write: 5 MB/s
  • Read: 10 MB/s

To read data from a shard, you must specify the corresponding shard. To write data to a shard, you can use Server Load Balancer. By using Server Load Balancer, data is automatically written to shards based on the system load in the backend, which guarantees the high availability of log writing.

Example of the complete resource

Parameter name Type Required Description
shardID integer Yes The unique ID of a shard in the Logstore, which is automatically generated by the system.
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