MySQL replication lag is too big due to miss to warm up innodb buffer pool
Miss to warm up innodb buffer pool may result in slow queries.
Lost connection to MySQL server during query due to small net_write_timeout
Be careful when using SSCursor
Drafts 12/23
It’s all the words that have been written that are pushing me to keep writing. 都是那些已经写下的文字在促使我继续写下
Ride 骑行
harboring desires that were once abundant, touching the shoulder blades of death 怀揣曾经丰富的欲望，摸到死亡的肩胛骨。
Storytelling 叙事
We walked down the dirt road at sunset, discussing spooky things like feeding tornadoes. 我们走在泥泞的路上，讨论着饲养龙卷风之类诡异的事。
Spark OOM: There is not enough memory to build the hash map
Use stderr/stdout to position where OOM happened
Yisheng's blog 