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docs: changelog for dag stat #9919

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Jun 6, 2023
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docs: changelog for dag stat #9919

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bae07b0
cmds/dag.stat: remove printf debug
Jorropo Jun 6, 2023
0289d4e
changelog/v0.21: add dag stat additions
Jorropo Jun 6, 2023
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1 change: 0 additions & 1 deletion core/commands/dag/stat.go
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Original file line number Diff line number Diff line change
Expand Up @@ -47,7 +47,6 @@ func dagStat(req *cmds.Request, res cmds.ResponseEmitter, env cmds.Environment)
DAG: nodeGetter,
Order: traverse.DFSPre,
Func: func(current traverse.State) error {
fmt.Println("previousDagStatSize:", dagstats.Size)
currentNodeSize := uint64(len(current.Node.RawData()))
dagstats.Size += currentNodeSize
dagstats.NumBlocks++
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22 changes: 22 additions & 0 deletions docs/changelogs/v0.21.md
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Expand Up @@ -11,6 +11,7 @@
- [`client/rpc` migration of `go-ipfs-http-client`](#clientrpc-migration-of-go-ipfs-http-client)
- [Gateway: DAG-CBOR/-JSON previews and improved error pages](#gateway-dag-cbor-json-previews-and-improved-error-pages)
- [Gateway: subdomain redirects are now `text/html`](#gateway-subdomain-redirects-are-now-texthtml)
- [`ipfs dag stat` deduping statistics](#ipfs-dag-stat-deduping-statistics)
- [📝 Changelog](#-changelog)
- [👨‍👩‍👧‍👦 Contributors](#-contributors)

Expand Down Expand Up @@ -102,6 +103,27 @@ $ curl "https://subdomain-gw.example.net/ipfs/${cid}/"

Rationale can be found in [kubo#9913](https://github.com/ipfs/kubo/pull/9913).

#### `ipfs dag stat` deduping statistics

`ipfs dat stat` now accept multiple CIDs and will dump advanced statistics
on the number of shared blocks and size of each CID.

```console
$ ipfs dag stat --progress=false QmfXuRxzyVy5H2LssLgtXrKCrNvDY8UBvMp2aoW8LS8AYA QmfZDyu2UFfUhL4VdHaw7Hofivmn5D4DdQj38Lwo86RsnB

CID Blocks Size
QmfXuRxzyVy5H2LssLgtXrKCrNvDY8UBvMp2aoW8LS8AYA 3 2151
QmfZDyu2UFfUhL4VdHaw7Hofivmn5D4DdQj38Lwo86RsnB 4 3223

Summary
Total Size: 3326
Unique Blocks: 5
Shared Size: 2048
Ratio: 1.615755
```

`ipfs --enc=json dag stat`'s keys are a non breaking change, new keys have been added but old keys with previous sementics are still here.

### 📝 Changelog

### 👨‍👩‍👧‍👦 Contributors