# aws-lambda-java-runtime

**Repository Path**: gzten/aws-lambda-java-runtime

## Basic Information

- **Project Name**: aws-lambda-java-runtime
- **Description**: For Maven version
- **Primary Language**: Unknown
- **License**: Not specified
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2022-02-02
- **Last Updated**: 2022-02-03

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# AWS Lambda Java Runtime

## 说明
这是为了方便在AWS Lambda 上面做GraalVM的自定义运行时而创建的工具包。


## 性能测试
通过性能测试，我们发现一个一个地处理lambda的事件，会比异步同时处理事件快和稳定得多，毕竟在主线程上面玩。

### 测试结果
用10个并发，call 100次。(有点小家子气，省钱嘛不是！)
#### Asynchronous mode to process events. 异步模式处理事件
由于lambda限制了5秒，所以超过5秒的都是返回500状态码
```
$ hey -n 100 -c 10 -m GET https://**.amazonaws.com/*/test-graal-dynamo/my-item
2 requests done.
12 requests done.
16 requests done.
19 requests done.
23 requests done.
26 requests done.
27 requests done.
32 requests done.
33 requests done.
43 requests done.
45 requests done.
50 requests done.
54 requests done.
56 requests done.
59 requests done.
60 requests done.
61 requests done.
66 requests done.
70 requests done.
77 requests done.
81 requests done.
83 requests done.
88 requests done.
89 requests done.
90 requests done.
91 requests done.
93 requests done.
95 requests done.
96 requests done.
97 requests done.
98 requests done.
99 requests done.
All requests done.

Summary:
  Total:	26.7993 secs
  Slowest:	5.2233 secs
  Fastest:	0.1198 secs
  Average:	1.8819 secs
  Requests/sec:	3.7314
  Total data:	10999 bytes
  Size/request:	109 bytes

Status code distribution:
  [400]	2 responses
  [200]	73 responses
  [500]	25 responses

Response time histogram:
  0.120 [1]	|∎
  0.630 [23]	|∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎
  1.140 [37]	|∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎
  1.651 [7]	|∎∎∎∎∎∎∎∎
  2.161 [7]	|∎∎∎∎∎∎∎∎
  2.672 [0]	|
  3.182 [0]	|
  3.692 [0]	|
  4.203 [0]	|
  4.713 [0]	|
  5.223 [25]	|∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎

Latency distribution:
  10% in 0.1402 secs
  25% in 0.6494 secs
  50% in 0.9637 secs
  75% in 5.1195 secs
  90% in 5.1498 secs
  95% in 5.2076 secs
  99% in 5.2233 secs
```

#### Sequential mode to process events. 同步模式处理事件
```
$ hey -n 100 -c 10 -m GET https://**.amazonaws.com/*/test-graal-dynamo/my-item
8 requests done.
20 requests done.
49 requests done.
77 requests done.
97 requests done.
All requests done.

Summary:
  Total:	3.2271 secs
  Slowest:	1.6022 secs
  Fastest:	0.1150 secs
  Average:	0.2712 secs
  Requests/sec:	30.9877
  Total data:	13800 bytes
  Size/request:	138 bytes

Status code distribution:
  [200]	100 responses

Response time histogram:
  0.115 [1]	|
  0.264 [85]	|∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎
  0.412 [0]	|
  0.561 [3]	|∎
  0.710 [3]	|∎
  0.859 [1]	|
  1.007 [0]	|
  1.156 [0]	|
  1.305 [0]	|
  1.454 [2]	|∎
  1.602 [5]	|∎∎

Latency distribution:
  10% in 0.1215 secs
  25% in 0.1283 secs
  50% in 0.1387 secs
  75% in 0.1928 secs
  90% in 0.6804 secs
  95% in 1.4574 secs
  99% in 1.6022 secs
```