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remove uncertain description of enabling index #2781

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Apr 11, 2024
Merged

remove uncertain description of enabling index #2781

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2 changes: 1 addition & 1 deletion docs/userguide_2.0.md
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Expand Up @@ -178,7 +178,7 @@ Set `isolationLevel` to `NONE` to avoid large single transactions which might le
| `spark.tispark.grpc.framesize` | `2147483647` | The maximum frame size of gRPC response in bytes (default 2G) |
| `spark.tispark.grpc.timeout_in_sec` | `10` | The gRPC timeout time in seconds |
| `spark.tispark.plan.allow_agg_pushdown` | `true` | Whether aggregations are allowed to push down to TiKV (in case of busy TiKV nodes) |
| `spark.tispark.plan.allow_index_read` | `true` | Whether index is enabled in planning (which might cause heavy pressure on TiKV) |
| `spark.tispark.plan.allow_index_read` | `true` | Whether index is enabled in planning |
| `spark.tispark.index.scan_batch_size` | `20000` | The number of row key in batch for the concurrent index scan |
| `spark.tispark.index.scan_concurrency` | `5` | The maximal number of threads for index scan that retrieves row keys (shared among tasks inside each JVM) |
| `spark.tispark.table.scan_concurrency` | `512` | The maximal number of threads for table scan (shared among tasks inside each JVM) |
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2 changes: 1 addition & 1 deletion docs/userguide_3.0.md
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Expand Up @@ -237,7 +237,7 @@ spark.sql("select t1.id,t2.id from spark_catalog.default.t t1 left join tidb_cat
| `spark.tispark.grpc.framesize` | `2147483647` | The maximum frame size of gRPC response in bytes (default 2G) |
| `spark.tispark.grpc.timeout_in_sec` | `180` | The gRPC timeout time in seconds |
| `spark.tispark.plan.allow_agg_pushdown` | `true` | Whether aggregations are allowed to push down to TiKV (in case of busy TiKV nodes) |
| `spark.tispark.plan.allow_index_read` | `true` | Whether index is enabled in planning (which might cause heavy pressure on TiKV) |
| `spark.tispark.plan.allow_index_read` | `true` | Whether index is enabled in planning |
| `spark.tispark.index.scan_batch_size` | `20000` | The number of row key in batch for the concurrent index scan |
| `spark.tispark.index.scan_concurrency` | `5` | The maximal number of threads for index scan that retrieves row keys (shared among tasks inside each JVM) |
| `spark.tispark.table.scan_concurrency` | `512` | The maximal number of threads for table scan (shared among tasks inside each JVM) |
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