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fix: disable WAL index creation by default (#8505)

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Signed-off-by: WenyXu <wenymedia@gmail.com>
This commit is contained in:
Weny Xu
2026-07-14 12:02:14 +08:00
committed by GitHub
parent 073ae1b184
commit 6688ca13f6
3 changed files with 3 additions and 3 deletions
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config/config.md
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@@ -514,7 +514,7 @@
| `wal.timeout` | String | `3s` | The timeout for kafka client.<br/>**It's only used when the provider is `kafka`**. |
| `wal.max_batch_bytes` | String | `1MB` | The max size of a single producer batch.<br/>Warning: Kafka has a default limit of 1MB per message in a topic.<br/>**It's only used when the provider is `kafka`**. |
| `wal.consumer_wait_timeout` | String | `100ms` | The consumer wait timeout.<br/>**It's only used when the provider is `kafka`**. |
| `wal.create_index` | Bool | `true` | Whether to enable WAL index creation.<br/>**It's only used when the provider is `kafka`**. |
| `wal.create_index` | Bool | `false` | Whether to enable WAL index creation.<br/>**It's only used when the provider is `kafka`**. |
| `wal.dump_index_interval` | String | `60s` | The interval for dumping WAL indexes.<br/>**It's only used when the provider is `kafka`**. |
| `wal.overwrite_entry_start_id` | Bool | `false` | Ignore missing entries during read WAL.<br/>**It's only used when the provider is `kafka`**.<br/><br/>This option ensures that when Kafka messages are deleted, the system<br/>can still successfully replay memtable data without throwing an<br/>out-of-range error.<br/>However, enabling this option might lead to unexpected data loss,<br/>as the system will skip over missing entries instead of treating<br/>them as critical errors. |
| `query` | -- | -- | The query engine options. |
config/datanode.example.toml
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@@ -185,7 +185,7 @@ consumer_wait_timeout = "100ms"
## Whether to enable WAL index creation.
## **It's only used when the provider is `kafka`**.
create_index = true
create_index = false
## The interval for dumping WAL indexes.
## **It's only used when the provider is `kafka`**.
src/common/wal/src/config/kafka/datanode.rs
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@@ -60,7 +60,7 @@ impl Default for DatanodeKafkaConfig {
consumer_wait_timeout: Duration::from_millis(100),
kafka_topic: KafkaTopicConfig::default(),
auto_create_topics: true,
create_index: true,
create_index: false,
dump_index_interval: Duration::from_secs(60),
topic_latest_offset_fetch_interval: DEFAULT_TOPIC_LATEST_OFFSET_FETCH_INTERVAL,
overwrite_entry_start_id: false,