确切地说，vm（不是 vmlogs）应该是目前 prometheus metrics 领域性能最好的数据库。它的实现对这个场景做了不少特化，并大量用了很多高性能 Go 编程技巧（典型的如各种内存池化），所以性能非常不错。
BY codedump的电报频道
Launched in 2013, Telegram allows users to broadcast messages to a following via “channels”, or create public and private groups that are simple for others to access. Users can also send and receive large data files, including text and zip files, directly via the app.The platform said it has more than 500m active users, and topped 1bn downloads in August, according to data from SensorTower.
The cloud-based messaging platform is also adding Anonymous Group Admins feature. As per Telegram, this feature is being introduced for safer protests. As per the Telegram blog post, users can “Toggle Remain Anonymous in Admin rights to enable Batman mode. The anonymized admin will be hidden in the list of group members, and their messages in the chat will be signed with the group name, similar to channel posts.”
codedump的电报频道 from tw