jacksu

[C++并行、读写锁](http://preshing.com/)

1）数据平台需要业务来驱动，不然容易偏离使用场景； 2）要使用不同的实例证明数据平台的价值所在。 [THE IMPORTANCE OF BUSINESS PARTICIPATION IN A DATA LAKE PROGRAM](https://thinkbiganalytics.com/the-importance-of-business-participation-in-a-data-lake-program/)

Spark 周边

1

[Spark在美团的实践](http://tech.meituan.com/spark-in-meituan.html) [Spark性能优化指南——基础篇](http://tech.meituan.com/spark-tuning-basic.html) [Spark性能优化指南——高级篇](http://tech.meituan.com/spark-tuning-pro.html) [Spark专题在简书](http://www.jianshu.com/collection/6157554bfdd9)

someone has the same core information??

2

(gdb) bt #0 0x000000000043ce8b in htparser_run () #1 0x00000000004358f5 in htp__connection_readcb_ () #2 0x00007f5a10d6c24c in bufferevent_run_deferred_callbacks_locked (cb=Unhandled dwarf expression opcode 0xf3 ) at bufferevent.c:149 #3 0x00007f5a10d7611f in event_process_active_single_queue (base=0x2be3b650, activeq=0x2d975020,...

我编译的时候遇到了下面的问题，使用第一个测试用例

4

g++ -std=c++17 -o test test.cpp /tmp/ccZkW8KL.o: In function `boost::asio::detail::posix_event::posix_event()': test.cpp:(.text._ZN5boost4asio6detail11posix_eventC2Ev[_ZN5boost4asio6detail11posix_eventC5Ev]+0x3e): undefined reference to `pthread_condattr_setclock' /tmp/ccZkW8KL.o: In function `boost::asio::detail::posix_thread::~posix_thread()': test.cpp:(.text._ZN5boost4asio6detail12posix_threadD2Ev[_ZN5boost4asio6detail12posix_threadD5Ev]+0x26): undefined reference to `pthread_detach' /tmp/ccZkW8KL.o: In function `boost::asio::detail::posix_thread::join()': test.cpp:(.text._ZN5boost4asio6detail12posix_thread4joinEv[_ZN5boost4asio6detail12posix_thread4joinEv]+0x2b): undefined reference...