核心目标是提供支持大规模用户、稳定的、容易扩展的 Notebook 服务。系统总体架构如下图所示,主要包括 Hub、notebook server(nbsvr)、kernel gateway(eg) 等组件。![picture.image](https://p3-volc-communit... any username + password is allowed for testing考虑到方案1需要开发量大、维护成本高,我们采用了方案2。采用了方案2的整个认证 & 鉴权步骤如下所示:1. 用户在 web 页面访问了 火山引擎DataLeap notebook...
Akka不仅可以在单机上构建高并发程序,还可以构建高性能高吞吐量分布式程序。# 一、并发编程模型## 并行工作者(Parallel worker)![picture.image](https://p3-volc-community-sign.byteimg.com/tos-cn-i-tldd... 它由许多拥有不同特性的JAR组成。* akka-actor – 经典角色、类型角色、IO角色等* akka-agent – 代理、整合了Scala的STM特性* akka-cluster – 集群成员管理、弹性路由* akka-kernel – AKKA微内核,运行着一...
**作者:郭少巍**近期,[火山引擎边缘计算](https://www.volcengine.com/product/veen)在支持某大客户上云过程中,遇到自定义 Linux 镜像虚机频繁卡死的现象,通过主机监控发现客户虚机内部某个 Cpu 长期 100%,并且虚... [exception RIP: unix_seqpacket_sendmsg+9] RIP: ffffffffa808bdf9 RSP: ffffbd680398fdd8 RFLAGS: 00000206 RAX: ffffffffa808bdf0 RBX: ffffbd680398fe18 RCX: ffff9e7936869000 RDX: 0000...
Exception Codes: 0x0000000000000000, 0x0000000000000000Exception Note: EXC_CORPSE_NOTIFYTriggered by Thread: 21Application Specific Information:abort() called...................................Thread 21 name: Dispatch queue: com.facebook.react.ShadowQueueThread 21 Crashed://编号 二进制库名 调用方法的地址 基本地址 + 偏移0 libsystem_kernel.dylib ...
(https://p6-volc-community-sign.byteimg.com/tos-cn-i-tlddhu82om/95783c7a126a4546b81846132cc2a9c7~tplv-tlddhu82om-image.image?=&rk3s=8031ce6d&x-expires=1716222006&x-signature=KAH4YknxuyBWaUrDiHbytBgk... `[exception RIP: unix_seqpacket_sendmsg+9]` `RIP: ffffffffa808bdf9 RSP: ffffbd680398fdd8 RFLAGS: 00000206` `RAX: ffffffffa808bdf0 RBX: ffffbd680398fe18 RCX: ffff9e7936869000` `RDX: 000000000...
我们可能希望 Elasticsearch 直接抛出异常而不是直接索引,这样可以及时发现问题。例如:```jsonPUT es_books/_doc/1{ "title":" how to master elasticsearch"}查看 index mappingGET es_books/_mappi... "type" : "strict_dynamic_mapping_exception", "reason" : "mapping set to strict, dynamic introduction of [first_author] within [_doc] is not allowed" } ], "type" : "stri...
我们可能希望 Elasticsearch 直接抛出异常而不是直接索引,这样可以及时发现问题。例如:```jsonPUT es_books/_doc/1{ "title":" how to master elasticsearch"}查看 index mappingGET es_books/_mapping... "type" : "strict_dynamic_mapping_exception", "reason" : "mapping set to strict, dynamic introduction of [first_author] within [_doc] is not allowed" } ], "type" : "stri...
(https://p6-juejin.byteimg.com/tos-cn-i-k3u1fbpfcp/dc57994a188e4ae4a4963e2b6952a385~tplv-k3u1fbpfcp-5.jpeg?)对应方法就是声明指令前缀`LOCK`,汇编代码变为`lock add 1, i`。### 1.2 总线锁`LOCK`指令... .section .note.GNU-stack,"",@progbits```可以看到__sync_fetch_and_add 的汇编实现就是在 add 指令前声明了 lock 指令前缀。#### 1.2.2 Kernel 中的原子累加Kernel 中的 atomic_inc 函数,...
不过这些函数似乎并不是默认公开的内容,直接通过google搜索 并没有找到关于BoostFramwork或者高通Performance API的相关信息。最后还是通过其他各种关键字检索,终于找到了部分有效信息。![picture.image](https:... getDeclaredMethod( "perfLockReleaseHandler", Integer.TYPE ) initSuccess = true return true } catch (e: Exception) { initSucces...
import com.volcengine.tos.TosClientException;import com.volcengine.tos.TosServerException;import com.volcengine.tos.model.bucket.*;import java.util.ArrayList;import java.util.List;public class PutBu... allowedOrigins = new ArrayList<>(); allowedOrigins.add("*"); List allowedMethods = new ArrayList<>(); allowedMethods.add("GET"); allowedMethods.add("DELET...
开发者可以使用新增的 `getDistance()` 和 `onPullDistance()` API 来控制 OverScoll 的强度,当然你也可以通过 XML 中设置 `android:overScrollMode="never"` 来屏蔽此效果。![image.png](https://p1-juejin.byt... Foreground Service 也不允许在后台启动,否则会抛出 `ForegroundServiceStartNotAllowedException` 异常。 Service 的存在越来越鸡肋,或将逐渐被 WorkManager 所替代#### Compatibility Test每一个新版本的 An...
rule = CORSRule(allowed_origins=['*'], allowed_methods=['GET', 'HEAD'], allowed_headers=['*'], max_age_seconds=1000) 已存在的规则将被覆盖 client.put_bucket_cors(bucket_name, [rule])except tos.exceptions.TosClientError as e: 操作失败,捕获客户端异常,一般情况为非法请求参数或网络异常 print('fail with client error, message:{},...
QUIC_UNENCRYPTED_STREAM_DATA = 61 -101 路由不可达 -103 // A connection timed out as a result of not receiving an ACK for data sent.This can include a FIN packet that did not get ACK'd. NET_ERROR(... method // of an HTTP proxy. NET_ERROR(PROXY_CONNECTION_FAILED, -130) -138 // Permission to access the network was denied. This is used to distinguish // errors that were most likely caused by a f...