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update highlights for data processing
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qiancai authored Nov 25, 2024
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<td rowspan="6">可扩展性与性能</td>
<td> Reduce data processing latency in multiple dimensions **tw@qiancai**</td>
<td>TiDB continuously refines data processing to enhance performance, effectively meeting the low-latency SQL processing requirements in financial scenarios. Key updates include:
<li> <a href="https://docs.pingcap.com/zh/tidb/v8.5/system-variables#tidb_executor_concurrency-new-in-v50">Support parallel sorting</a> (introduced in v8.2.0) </li>
<li> <a href="https://docs.pingcap.com/zh/tidb/v8.5/tidb-configuration-file#batch-policy-new-in-v830">Optimize batch processing strategy for KV (key-value) requests </a> (introduced in v8.3.0) </li>
<li> <a href="https://docs.pingcap.com/tidb/v8.4/system-variables#tidb_tso_client_rpc_mode-new-in-v840">Support parallel mode for TSO requests</a> (introduced in v8.4.0) </li>
<li>Support <a href="https://docs.pingcap.com/zh/tidb/v8.5/system-variables#tidb_executor_concurrency-new-in-v50">parallel sorting</a> (introduced in v8.2.0) </li>
<li>Optimize <a href="https://docs.pingcap.com/zh/tidb/v8.5/tidb-configuration-file#batch-policy-new-in-v830">batch processing strategy for KV (key-value) requests </a> (introduced in v8.3.0) </li>
<li>Support <a href="https://docs.pingcap.com/tidb/v8.4/system-variables#tidb_tso_client_rpc_mode-new-in-v840">parallel mode for TSO requests</a> (introduced in v8.4.0) </li>
<li>Reduce the resource overhead of <a href="https://docs.pingcap.com/tidb/v8.5/sql-statement-delete">DELETE</a> operations (introduced in v8.4.0) </li>
<li>Improve query performance for <a href="https://docs.pingcap.com/tidb/v8.5/cached-tables">cached tables</a> (introduced in v8.4.0) </li>
<li> <a href="https://docs.pingcap.com/zh/tidb/v8.5/system-variables#tidb_hash_join_version-new-in-v840">Introduce an optimized version of Hash Join</a> (introduced in v8.4.0) </li>
<li>Introduce <a href="https://docs.pingcap.com/zh/tidb/v8.5/system-variables#tidb_hash_join_version-new-in-v840">an optimized version of Hash Join</a> (introduced in v8.4.0) </li>
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