~/talk

Effective Use of ClickHouse

TalkinRussianat HighLoad++ 2017 · 2017-11-07..11-08· [databases]
links:none on file
slides:none on file

Covers practical experience using the open-source columnar database ClickHouse in production, naming ClickHouse as the technology. Describes common usage mistakes that harm performance and explains, with real-world examples, how different data schema and processing choices can change query performance by orders of magnitude.

AI-written summary · about

  1. 0:00Introduction
  2. 1:34Small insert problems
  3. 12:27Data typing and performance
  4. 27:24Long string storage optimization
  5. 32:50ClickHouse anti-patterns
  6. 40:56Load management and quotas
  7. 46:15Updates and data refresh
  8. 51:57Q&A
~/search
type to search 6,249 conferences, 138,987 speakers and 185,172 talks
~/help
cmdctrl k
search every conference, speaker and series
/
focus the filter search
h
home
c
conferences
s
speakers
e
series
t
light / dark — the status bar button does the same
?
this help
esc
close this, then clear every filter — or just the search, while you are typing in it

Ignored while you are typing. Pages without a filter rail have no search to focus.