---
title: CacheIndex
description: "Cache的索引"
url: https://www.hiascend.com/document/detail/zh/canncommercial/latest/others/llmdatadistdev/llmcrv1_42_23.html
sourcePath: /source/zh/canncommercial/900/others/llmdatadistdev/llmcrv1_42_23.html
indexId: 518aae27d3ca478d9b8cdf88e5374d0b8eacc69fa6d471d91ef75c02d71415ff70
---
# CacheIndex

Cache的索引

```
struct CacheIndex {
  uint64_t cluster_id;        // cache所在的集群ID
  int64_t cache_id;           // cache的ID
  uint32_t batch_index;       // PullKvCache时用于指定batch的下标
  uint8_t reserved[128];      // 预留
}
```