add disable prealloc (#23209)

### **User description**
## What type of PR is this?

- [ ] API-change
- [x] BUG
- [ ] Improvement
- [ ] Documentation
- [ ] Feature
- [ ] Test and CI
- [ ] Code Refactoring

## Which issue(s) this PR fixes:

issue #

## What this PR does / why we need it:


___

### **PR Type**
Enhancement, Bug fix


___

### **Description**
- Add `LogDBDisablePrealloc` configuration option to disable file
preallocation

- Propagate the setting to the underlying dragonboat LogDB configuration

- Update dragonboat dependency to version with prealloc support

- Support filesystems like NFS that don't support fallocate system call


___

### Diagram Walkthrough


```mermaid
flowchart LR
  A["Config struct"] -- "LogDBDisablePrealloc field" --> B["getNodeHostConfig"]
  B -- "assigns to logdb.DisablePrealloc" --> C["dragonboat LogDB"]
  D["go.mod dependency"] -- "updated to v4.0.0-20251203123148" --> C
```



<details> <summary><h3> File Walkthrough</h3></summary>

<table><thead><tr><th></th><th align="left">Relevant
files</th></tr></thead><tbody><tr><td><strong>Enhancement</strong></td><td><table>
<tr>
  <td>
    <details>
<summary><strong>config.go</strong><dd><code>Add LogDBDisablePrealloc
configuration field</code>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; </dd></summary>
<hr>

pkg/logservice/config.go

<ul><li>Added <code>LogDBDisablePrealloc</code> boolean field to Config
struct<br> <li> Field is mapped to TOML configuration key
<code>logdb-disable-prealloc</code><br> <li> Includes documentation
explaining the purpose for NFS and similar <br>filesystems</ul>


</details>


  </td>
<td><a
href="https://github.com/matrixorigin/matrixone/pull/23209/files#diff-840aed48ffce69ec32afc8354a2223c3029b0dd64f3eef440283608154470c1b">+3/-0</a>&nbsp;
&nbsp; &nbsp; </td>

</tr>

<tr>
  <td>
    <details>
<summary><strong>store.go</strong><dd><code>Propagate prealloc disable
setting to LogDB</code>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; </dd></summary>
<hr>

pkg/logservice/store.go

<ul><li>Propagates <code>LogDBDisablePrealloc</code> config value to
dragonboat's logdb <br>configuration<br> <li> Assigns
<code>cfg.LogDBDisablePrealloc</code> to
<code>logdb.DisablePrealloc</code> in <br>getNodeHostConfig
function</ul>


</details>


  </td>
<td><a
href="https://github.com/matrixorigin/matrixone/pull/23209/files#diff-c0fcef3144fd52dba31ca97e6755c28d2bba11b6837fa1585fb17199b7a12e72">+1/-0</a>&nbsp;
&nbsp; &nbsp; </td>

</tr>
</table></td></tr><tr><td><strong>Dependencies</strong></td><td><table>
<tr>
  <td>
    <details>
<summary><strong>go.mod</strong><dd><code>Update dragonboat dependency
version</code>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; </dd></summary>
<hr>

go.mod

<ul><li>Updated dragonboat/v4 dependency from
<br>v4.0.0-20241019050137-1c6138e9cf8b to
<br>v4.0.0-20251203123148-9dcde946363f<br> <li> New version includes
support for DisablePrealloc configuration option</ul>


</details>


  </td>
<td><a
href="https://github.com/matrixorigin/matrixone/pull/23209/files#diff-33ef32bf6c23acb95f5902d7097b7a1d5128ca061167ec0716715b0b9eeaa5f6">+1/-1</a>&nbsp;
&nbsp; &nbsp; </td>

</tr>

<tr>
  <td>
    <details>
<summary><strong>go.sum</strong><dd><code>Update dragonboat dependency
checksums</code>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; </dd></summary>
<hr>

go.sum

<ul><li>Updated hash entries for dragonboat/v4 dependency to match new
version<br> <li> Reflects the updated dependency version in go.sum
checksums</ul>


</details>


  </td>
<td><a
href="https://github.com/matrixorigin/matrixone/pull/23209/files#diff-3295df7234525439d778f1b282d146a4f1ff6b415248aaac074e8042d9f42d63">+2/-2</a>&nbsp;
&nbsp; &nbsp; </td>

</tr>
</table></td></tr></tr></tbody></table>

</details>

___

Author: LeftHandCold

go.mod

@@ -247,7 +247,7 @@ replace github.com/hashicorp/memberlist => github.com/matrixorigin/memberlist v0
 replace (
 	github.com/elastic/gosigar v0.14.2 => github.com/matrixorigin/gosigar v0.14.3-0.20241204071856-40aab500bfac
 	github.com/fagongzi/goetty/v2 v2.0.3-0.20230628075727-26c9a2fd5fb8 => github.com/matrixorigin/goetty/v2 v2.0.0-20240611082008-a4de209fff3d
-	github.com/lni/dragonboat/v4 v4.0.0-20220815145555-6f622e8bcbef => github.com/matrixorigin/dragonboat/v4 v4.0.0-20241019050137-1c6138e9cf8b
+	github.com/lni/dragonboat/v4 v4.0.0-20220815145555-6f622e8bcbef => github.com/matrixorigin/dragonboat/v4 v4.0.0-20251203123148-9dcde946363f
 	github.com/lni/goutils v1.3.1-0.20220604063047-388d67b4dbc4 => github.com/matrixorigin/goutils v1.3.1-0.20220604063047-388d67b4dbc4
 	github.com/lni/vfs v0.2.1-0.20220616104132-8852fd867376 => github.com/matrixorigin/vfs v0.2.1-0.20220616104132-8852fd867376
 )

go.sum

@@ -533,8 +533,8 @@ github.com/magiconair/properties v1.8.7 h1:IeQXZAiQcpL9mgcAe1Nu6cX9LLw6ExEHKjN0V
 github.com/magiconair/properties v1.8.7/go.mod h1:Dhd985XPs7jluiymwWYZ0G4Z61jb3vdS329zhj2hYo0=
 github.com/mailru/easyjson v0.7.7 h1:UGYAvKxe3sBsEDzO8ZeWOSlIQfWFlxbzLZe7hwFURr0=
 github.com/mailru/easyjson v0.7.7/go.mod h1:xzfreul335JAWq5oZzymOObrkdz5UnU4kGfJJLY9Nlc=
-github.com/matrixorigin/dragonboat/v4 v4.0.0-20241019050137-1c6138e9cf8b h1:DQMmYVMdZrmbJWu8KYZhtFEe+3FWKkYx0LKAiEL4ycY=
-github.com/matrixorigin/dragonboat/v4 v4.0.0-20241019050137-1c6138e9cf8b/go.mod h1:bR6ZGoUwApH4/P4+AezNGT0xehljg+j+Z/Q2Fz+Y4a0=
+github.com/matrixorigin/dragonboat/v4 v4.0.0-20251203123148-9dcde946363f h1:3iDaudrS54/39kxYV/7zn55+KbY7/qT9R7A++iD8d40=
+github.com/matrixorigin/dragonboat/v4 v4.0.0-20251203123148-9dcde946363f/go.mod h1:bR6ZGoUwApH4/P4+AezNGT0xehljg+j+Z/Q2Fz+Y4a0=
 github.com/matrixorigin/goetty/v2 v2.0.0-20240611082008-a4de209fff3d h1:wSlkJlWXZ3if1sH8Bc/lUUOWhTw91lgYGSFOHqy1tcw=
 github.com/matrixorigin/goetty/v2 v2.0.0-20240611082008-a4de209fff3d/go.mod h1:OwIBpVwRW1HjF/Jhc2Av3UvG2NygMg+bdqGxZaqwhU0=
 github.com/matrixorigin/gosigar v0.14.3-0.20241204071856-40aab500bfac h1:KRPOwOcSZRfWT7w8mr7BmFLoFB75ljgqjkg47xkN/Pc=

pkg/logservice/config.go

@@ -116,6 +116,9 @@ type Config struct {
 	LogDBBufferSize uint64 `toml:"logdb-buffer-size"`
 	// LogDBMaxLogFileSize is the max size of the log db file.
 	LogDBMaxLogFileSize uint64 `toml:"logdb-max-log-file-size"`
+	// LogDBDisablePrealloc disables file preallocation using fallocate. This is useful
+	// when the filesystem (e.g., NFS) does not support fallocate system call.
+	LogDBDisablePrealloc bool `toml:"logdb-disable-prealloc"`
 	// GossipAddress is the address used for accepting gossip communication.
 	// It is deprecated and will be removed.
 	GossipAddress string `toml:"gossip-address" user_setting:"advanced"`

pkg/logservice/store.go

@@ -79,6 +79,7 @@ func getNodeHostConfig(cfg Config, fs fileservice.FileService) config.NodeHostCo
 	logdbFactory := (config.LogDBFactory)(nil)
 	logdbFactory = tan.Factory
 	logdb.MaxLogFileSize = cfg.LogDBMaxLogFileSize
+	logdb.DisablePrealloc = cfg.LogDBDisablePrealloc
 	if cfg.UseTeeLogDB {
 		logutil.Warn("using tee based logdb backed by pebble and tan, for testing purposes only")
 		logdbFactory = tee.TanPebbleLogDBFactory