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new 197e4f66d [#1407] chore(rust): add cpu profile doc (#1515)
197e4f66d is described below
commit 197e4f66d0ae019da70c034f59bcf6f61b511751
Author: Junfan Zhang <[email protected]>
AuthorDate: Fri Feb 16 11:12:59 2024 +0800
[#1407] chore(rust): add cpu profile doc (#1515)
### What changes were proposed in this pull request?
add cpu profile doc
### Why are the changes needed?
Subtask for #1407
### Does this PR introduce _any_ user-facing change?
No.
### How was this patch tested?
Needn't
---
rust/experimental/server/README.md | 18 +++++++++++++++++-
1 file changed, 17 insertions(+), 1 deletion(-)
diff --git a/rust/experimental/server/README.md
b/rust/experimental/server/README.md
index 73e88da0f..7c83cc924 100644
--- a/rust/experimental/server/README.md
+++ b/rust/experimental/server/README.md
@@ -169,4 +169,20 @@ HADOOP_CONF_DIR=/etc/hadoop/conf
KRB5_CONFIG=/etc/krb5.conf KRB5CCNAME=/tmp/krb5
2. Start with profile
```shell
_RJEM_MALLOC_CONF=prof:true,prof_prefix:jeprof.out ./uniffle-worker
- ```
\ No newline at end of file
+ ```
+
+### CPU Profiling
+1. build with jemalloc feature
+ ```shell
+ cargo build --release --features jemalloc
+ ```
+2. Paste following command to get cpu profile flamegraph
+ ```shell
+ go tool pprof -http="0.0.0.0:8081"
http://{remote_ip}:8080/debug/pprof/profile?seconds=30
+ ```
+ - localhost:8080: riffle server.
+ - remote_ip: pprof server address.
+ - seconds=30: Profiling lasts for 30 seconds.
+
+ Then open the URL <your-ip>:8081/ui/flamegraph in your browser to view the
flamegraph:
+
\ No newline at end of file
