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add memory tracker params #2467

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Jan 11, 2023
Merged

add memory tracker params #2467

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536e8e4
add memory tracker params
abby-cyber Jan 10, 2023
52983b5
Update 3.graph-config.md
abby-cyber Jan 10, 2023
a3c1a7b
comment fix
abby-cyber Jan 11, 2023
8e0bfb6
Update 4.storage-config.md
abby-cyber Jan 11, 2023
6713291
set memory_tracker_detail_log to false
abby-cyber Jan 11, 2023
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13 changes: 13 additions & 0 deletions docs-2.0/5.configurations-and-logs/1.configurations/3.graph-config.md
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Expand Up @@ -148,3 +148,16 @@ Graph 服务提供了两份初始配置文件`nebula-graphd.conf.default`和`neb


{{ ent.ent_end }}


## memory tracker 配置

| 名称 | 预设值 | 说明 |
| :------------------- | :------------------------ | :------------------------------------------ |
|`memory_tracker_limit_ratio` |`0.8` |可用内存的百分比，当可用内存低于该值时，NebulaGraph 会停止接受查询。<br/>计算公式：可用内存/(总内存 - 保留内存)。<br/> **注意**：对于混合部署的集群，需要根据实际情况**调小**该参数。例如，当预期 Graphd 只占用 50% 的内存时，该参数的值可设置为小于`0.5`。|
|`memory_tracker_untracked_reserved_memory_mb` |`50`|保留内存的大小，单位：MB。|
|`memory_tracker_detail_log` |`false` | 是否定期生成较详细的内存跟踪日志。当值为`true`时，会定期生成内存跟踪日志。|
|`memory_tracker_detail_log_interval_ms` |`60000`|内存跟踪日志的生成时间间隔，单位：毫秒。仅当`memory_tracker_detail_log`为`true`时，该参数生效。|
|`memory_purge_enabled` |`true` |是否定期开启内存清理功能。当值为`true`时，会定期清理内存。|
|`memory_purge_interval_seconds` |`10` |内存清理的时间间隔，单位：秒。`memory_purge_enabled`为`true`时，该参数生效。|

11 changes: 11 additions & 0 deletions docs-2.0/5.configurations-and-logs/1.configurations/4.storage-config.md
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Expand Up @@ -208,6 +208,17 @@ rocksdb options 配置的格式为`{"<option_name>":"<option_value>"}`，多个
{{ ent.ent_end }}


## memory tracker 配置

| 名称 | 预设值 | 说明 |
| :------------------- | :------------------------ | :------------------------------------------ |
|`memory_tracker_limit_ratio` |`0.8` |可用内存的百分比，当可用内存低于该值时，NebulaGraph 会停止接受查询。<br/>计算公式：可用内存/(总内存 - 保留内存)。<br/> **注意**：对于混合部署的集群，需要根据实际情况**调小**该参数。例如，当预期 Graphd 只占用 50% 的内存时，该参数的值可设置为小于`0.5`。|
|`memory_tracker_untracked_reserved_memory_mb` |`50`|保留内存的大小，单位：MB。|
|`memory_tracker_detail_log` |`false` | 是否定期生成较详细的内存跟踪日志。当值为`true`时，会定期生成内存跟踪日志。|
|`memory_tracker_detail_log_interval_ms` |`60000`|内存跟踪日志的生成时间间隔，单位：毫秒。仅当`memory_tracker_detail_log`为`true`时，该参数生效。|
|`memory_purge_enabled` |`true` |是否定期开启内存清理功能。当值为`true`时，会定期清理内存。|
|`memory_purge_interval_seconds` |`10` |内存清理的时间间隔，单位：秒。`memory_purge_enabled`为`true`时，该参数生效。|



## 超级节点处理（出入边数量极多的点）
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