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zh/docs for development parts..
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../../en/development/build_cross.md
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# 如何在Linux中编译Mac OS X ClickHouse
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这是当您拥有Linux机器并想要使用它来构建将在OS X上运行的clickhouse二进制文件时的情况。这用于在Linux服务器上运行的持续集成检查。 如果要直接在Mac OS X上构建ClickHouse,请继续执行另一条说明
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Linux机器也可以编译运行在OS X系统的`clickhouse`二进制包,这可以用于在Linux上跑持续集成测试。如果要直接在Mac OS X上构建ClickHouse,请参考另外一篇指南: https://clickhouse.yandex/docs/zh/development/build_osx/
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Mac OS X的交叉编译基于以下构建说明,请首先遵循它们。
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# Install Clang-8
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按照https://apt.llvm.org/中的说明进行Ubuntu或Debian安装。
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例如,用于Bionic的命令如下:
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```bash
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sudo echo "deb [trusted=yes] http://apt.llvm.org/bionic/ llvm-toolchain-bionic-8 main" >> /etc/apt/sources.list
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sudo apt-get install clang-8
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```
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# 安装交叉编译工具集
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我们假设安装 `cctools` 在 ${CCTOOLS} 路径下
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```bash
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mkdir ${CCTOOLS}
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git clone https://github.com/tpoechtrager/apple-libtapi.git
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cd apple-libtapi
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INSTALLPREFIX=${CCTOOLS} ./build.sh
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./install.sh
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cd ..
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git clone https://github.com/tpoechtrager/cctools-port.git
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cd cctools-port/cctools
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./configure --prefix=${CCTOOLS} --with-libtapi=${CCTOOLS} --target=x86_64-apple-darwin
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make install
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cd ${CCTOOLS}
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wget https://github.com/phracker/MacOSX-SDKs/releases/download/10.14-beta4/MacOSX10.14.sdk.tar.xz
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tar xJf MacOSX10.14.sdk.tar.xz
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```
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# 编译 ClickHouse
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```bash
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cd ClickHouse
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mkdir build-osx
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CC=clang-8 CXX=clang++-8 cmake . -Bbuild-osx -DCMAKE_SYSTEM_NAME=Darwin \
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-DCMAKE_AR:FILEPATH=${CCTOOLS}/bin/x86_64-apple-darwin-ar \
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-DCMAKE_RANLIB:FILEPATH=${CCTOOLS}/bin/x86_64-apple-darwin-ranlib \
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-DLINKER_NAME=${CCTOOLS}/bin/x86_64-apple-darwin-ld \
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-DSDK_PATH=${CCTOOLS}/MacOSX10.14.sdk
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ninja -C build-osx
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```
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生成的二进制文件将具有Mach-O可执行格式,并且不能在Linux上运行。
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../../en/development/contrib.md
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# 使用的三方库
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| Library | License |
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| ------- | ------- |
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| base64 | [BSD 2-Clause License](https://github.com/aklomp/base64/blob/a27c565d1b6c676beaf297fe503c4518185666f7/LICENSE) |
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| boost | [Boost Software License 1.0](https://github.com/ClickHouse-Extras/boost-extra/blob/6883b40449f378019aec792f9983ce3afc7ff16e/LICENSE_1_0.txt) |
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| brotli | [MIT](https://github.com/google/brotli/blob/master/LICENSE) |
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| capnproto | [MIT](https://github.com/capnproto/capnproto/blob/master/LICENSE) |
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| cctz | [Apache License 2.0](https://github.com/google/cctz/blob/4f9776a310f4952454636363def82c2bf6641d5f/LICENSE.txt) |
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| double-conversion | [BSD 3-Clause License](https://github.com/google/double-conversion/blob/cf2f0f3d547dc73b4612028a155b80536902ba02/LICENSE) |
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| FastMemcpy | [MIT](https://github.com/yandex/ClickHouse/blob/master/libs/libmemcpy/impl/LICENSE) |
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| googletest | [BSD 3-Clause License](https://github.com/google/googletest/blob/master/LICENSE) |
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| hyperscan | [BSD 3-Clause License](https://github.com/intel/hyperscan/blob/master/LICENSE) |
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| libbtrie | [BSD 2-Clause License](https://github.com/yandex/ClickHouse/blob/master/contrib/libbtrie/LICENSE) |
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| libcxxabi | [BSD + MIT](https://github.com/yandex/ClickHouse/blob/master/libs/libglibc-compatibility/libcxxabi/LICENSE.TXT) |
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| libdivide | [Zlib License](https://github.com/yandex/ClickHouse/blob/master/contrib/libdivide/LICENSE.txt) |
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| libgsasl | [LGPL v2.1](https://github.com/ClickHouse-Extras/libgsasl/blob/3b8948a4042e34fb00b4fb987535dc9e02e39040/LICENSE)
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| libhdfs3 | [Apache License 2.0](https://github.com/ClickHouse-Extras/libhdfs3/blob/bd6505cbb0c130b0db695305b9a38546fa880e5a/LICENSE.txt) |
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| libmetrohash | [Apache License 2.0](https://github.com/yandex/ClickHouse/blob/master/contrib/libmetrohash/LICENSE) |
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| libpcg-random | [Apache License 2.0](https://github.com/yandex/ClickHouse/blob/master/contrib/libpcg-random/LICENSE-APACHE.txt) |
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| libressl | [OpenSSL License](https://github.com/ClickHouse-Extras/ssl/blob/master/COPYING) |
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| librdkafka | [BSD 2-Clause License](https://github.com/edenhill/librdkafka/blob/363dcad5a23dc29381cc626620e68ae418b3af19/LICENSE) |
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| libwidechar\_width | [CC0 1.0 Universal](https://github.com/yandex/ClickHouse/blob/master/libs/libwidechar_width/LICENSE) |
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| llvm | [BSD 3-Clause License](https://github.com/ClickHouse-Extras/llvm/blob/163def217817c90fb982a6daf384744d8472b92b/llvm/LICENSE.TXT) |
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| lz4 | [BSD 2-Clause License](https://github.com/lz4/lz4/blob/c10863b98e1503af90616ae99725ecd120265dfb/LICENSE) |
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| mariadb-connector-c | [LGPL v2.1](https://github.com/ClickHouse-Extras/mariadb-connector-c/blob/3.1/COPYING.LIB) |
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| murmurhash | [Public Domain](https://github.com/yandex/ClickHouse/blob/master/contrib/murmurhash/LICENSE)
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| pdqsort | [Zlib License](https://github.com/yandex/ClickHouse/blob/master/contrib/pdqsort/license.txt) |
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| poco | [Boost Software License - Version 1.0](https://github.com/ClickHouse-Extras/poco/blob/fe5505e56c27b6ecb0dcbc40c49dc2caf4e9637f/LICENSE) |
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| protobuf | [BSD 3-Clause License](https://github.com/ClickHouse-Extras/protobuf/blob/12735370922a35f03999afff478e1c6d7aa917a4/LICENSE) |
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| re2 | [BSD 3-Clause License](https://github.com/google/re2/blob/7cf8b88e8f70f97fd4926b56aa87e7f53b2717e0/LICENSE) |
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| UnixODBC | [LGPL v2.1](https://github.com/ClickHouse-Extras/UnixODBC/tree/b0ad30f7f6289c12b76f04bfb9d466374bb32168) |
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| zlib-ng | [Zlib License](https://github.com/ClickHouse-Extras/zlib-ng/blob/develop/LICENSE.md) |
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| zstd | [BSD 3-Clause License](https://github.com/facebook/zstd/blob/dev/LICENSE) |
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您需要(申请)一个GitHub账户来使用ClickHouse。
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如果没有账户,请在https://github.com上注册一个。如果没有SSH密钥,请在本地创建密钥并将其上传到GitHub上。这些交互都是必须的,也可以使用与其他任何SSH服务器相同的密钥。
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如果没有账户,请在https://github.com上注册一个。如果没有SSH密钥,请在本地创建密钥并将公钥上传到GitHub上。这有助于你提交更新代码。并且在不同的SSH服务端,你也可以使用相同的SSH密钥。
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要创建ClickHouse源码库的分支,请在https://github.com/ClickHouse/ClickHouse页面上点击右上角的"fork"按钮。它会在本账户上创建您个人的ClickHouse/ClickHouse分支。
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当我们扩展 ClickHouse 网络协议时,我们手动测试旧的 clickhouse-client 与新的 clickhouse-server 和新的clickhouse-client 一起使用旧的 clickhouse-server (只需从相应的包中运行二进制文件)
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## 来自编译器的帮助
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## 来自编译器的提示
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ClickHouse 主要的代码 (位于`dbms`目录中) 使用 `-Wall -Wextra -Werror` 构建,并带有一些其他已启用的警告。 虽然没有为第三方库启用这些选项。
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../../en/operations/monitoring.md
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# 监控
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可以监控到:
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- 硬件资源的利用率。
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- ClickHouse 服务的指标。
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## 硬件资源利用率
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ClickHouse 本身不会去监控硬件资源的状态。
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强烈推荐监控以下监控项:
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- 处理器上的负载和温度。
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可以使用 [dmesg](https://en.wikipedia.org/wiki/Dmesg), [turbostat](https://www.linux.org/docs/man8/turbostat.html) 或者其他工具。
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- 磁盘存储,RAM和网络的使用率。
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## ClickHouse 服务的指标。
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ClickHouse服务本身具有用于自我状态监视指标。
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要跟踪服务器事件,请观察服务器日志。 请参阅配置文件的[logger](server_settings/settings.md#server_settings-logger)部分。
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ClickHouse 收集的指标项:
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- 服务用于计算的资源占用的各种指标。
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- 关于查询处理的常见统计信息。
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可以在 [system.metrics](system_tables.md#system_tables-metrics) ,[system.events](system_tables.md#system_tables-events) 以及[system.asynchronous_metrics](system_tables.md#system_tables-asynchronous_metrics) 等系统表查看所有的指标项。
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可以配置ClickHouse 往 [Graphite](https://github.com/graphite-project)导入指标。 参考 [Graphite section](server_settings/settings.md#server_settings-graphite) 配置文件。在配置指标导出之前,需要参考Graphite[官方教程](https://graphite.readthedocs.io/en/latest/install.html)搭建服务。
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此外,您可以通过HTTP API监视服务器可用性。 将HTTP GET请求发送到 `/`。 如果服务器可用,它将以 `200 OK` 响应。
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要监视服务器集群的配置中,应设置[max_replica_delay_for_distributed_queries](settings/settings.md#settings-max_replica_delay_for_distributed_queries)参数并使用HTTP资源`/replicas-delay`。 如果副本可用,并且不延迟在其他副本之后,则对`/replicas-delay`的请求将返回200 OK。 如果副本被延迟,它将返回有关延迟信息。
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../en/roadmap.md
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# 规划
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## Q3 2019
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- 字典表的DDL
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- 与类S3对象存储集成
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- 冷热数据存储分离,支持JBOD
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## Q4 2019
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- JOIN 不受可用内存限制
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- 更精确的用户资源池,可以在用户之间合理分配集群资源
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- 细粒度的授权管理
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- 与外部认证服务集成
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[来源文章](https://clickhouse.yandex/docs/en/roadmap/) <!--hide-->
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../en/security_changelog.md
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## 修复于 ClickHouse Release 18.12.13, 2018-09-10
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### CVE-2018-14672
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加载CatBoost模型的功能,允许遍历路径并通过错误消息读取任意文件。
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来源: Yandex信息安全团队的Andrey Krasichkov
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## 修复于 ClickHouse Release 18.10.3, 2018-08-13
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### CVE-2018-14671
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unixODBC允许从文件系统加载任意共享对象,从而导致“远程执行代码”漏洞。
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来源:Yandex信息安全团队的Andrey Krasichkov和Evgeny Sidorov
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## 修复于 ClickHouse Release 1.1.54388, 2018-06-28
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### CVE-2018-14668
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远程表函数功能允许在 "user", "password" 及 "default_database" 字段中使用任意符号,从而导致跨协议请求伪造攻击。
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来源:Yandex信息安全团队的Andrey Krasichkov
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## 修复于 ClickHouse Release 1.1.54390, 2018-07-06
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### CVE-2018-14669
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ClickHouse MySQL客户端启用了 "LOAD DATA LOCAL INFILE" 功能,该功能允许恶意MySQL数据库从连接的ClickHouse服务器读取任意文件。
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来源:Yandex信息安全团队的Andrey Krasichkov和Evgeny Sidorov
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## 修复于 ClickHouse Release 1.1.54131, 2017-01-10
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### CVE-2018-14670
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deb软件包中的错误配置可能导致使用未经授权的数据库。
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来源:英国国家网络安全中心(NCSC)
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[来源文章](https://clickhouse.yandex/docs/en/security_changelog/) <!--hide-->
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