Your SlideShare is downloading. ×
0
Real-time индексы (Ярослав Ворожко)
Real-time индексы (Ярослав Ворожко)
Real-time индексы (Ярослав Ворожко)
Real-time индексы (Ярослав Ворожко)
Real-time индексы (Ярослав Ворожко)
Real-time индексы (Ярослав Ворожко)
Real-time индексы (Ярослав Ворожко)
Real-time индексы (Ярослав Ворожко)
Real-time индексы (Ярослав Ворожко)
Real-time индексы (Ярослав Ворожко)
Real-time индексы (Ярослав Ворожко)
Real-time индексы (Ярослав Ворожко)
Real-time индексы (Ярослав Ворожко)
Real-time индексы (Ярослав Ворожко)
Real-time индексы (Ярослав Ворожко)
Real-time индексы (Ярослав Ворожко)
Real-time индексы (Ярослав Ворожко)
Upcoming SlideShare
Loading in...5
×

Thanks for flagging this SlideShare!

Oops! An error has occurred.

×
Saving this for later? Get the SlideShare app to save on your phone or tablet. Read anywhere, anytime – even offline.
Text the download link to your phone
Standard text messaging rates apply

Real-time индексы (Ярослав Ворожко)

1,452

Published on

Published in: Technology, Business
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total Views
1,452
On Slideshare
0
From Embeds
0
Number of Embeds
1
Actions
Shares
0
Downloads
4
Comments
0
Likes
0
Embeds 0
No embeds

Report content
Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
No notes for slide

Transcript

  • 1. Real time indexes in Sphinx Search 1.10This presentation about new feature of SphinxSearch 1.10 - Real Time indexes
  • 2. About Me● Yaroslav Vorozhko● Web developer at Ivinco● Specialized at search engines and high load systems● E-mail: yaroslav@ivinco.com
  • 3. The problem of plain indexes● New data required to update entire index● Index merge in main + delta scheme● Depend on indexer tool● Not simple to manage
  • 4. Real Time indexes● What is RT index● Index update on the fly● Support of mysql protocol with SphinxQL
  • 5. Testing Environment● Testing read-write index● Testing read-only index
  • 6. Index schema comparation● HDD usage HDD usage - Plain vs RT indexes 9 8 7 6 5 Plain index GB 4 Real time index 3 2 1 0 10,000 100,000 1,000,000 2,000,000 Indexed records
  • 7. Index schema comparation● Single query performance SphinxAPI performance for single query 0.25 0.2 Query time sec. 0.15 Plain index Real time index 0.1 0.05 0 10,000 100,000 1,000,000 2,000,000 Records in index
  • 8. Index schema comparation● Multy query performance SphinxAPI performance for multi query 0.05 0.05 0.04 0.04 Query time sec. 0.03 0.03 Plain index Real time index 0.02 0.02 0.01 0.01 0 10,000 100,000 1,000,000 2,000,000 Records in index
  • 9. Index schema comparation● Single query performance with loads SphinxAPI performance for single query and insert loads 0.2 0.2 0.18 0.18 0.16 0.16 0.14 0.14 Query time sec. 0.12 0.12 RT binlog off RT binlog 0 0.1 0.1 RT binlog 1 RT binlog 2 0.08 0.08 Plain index 0.06 0.06 0.04 0.04 0.02 0.02 0 0 10000 100000 1000000 2000000 Records in index
  • 10. Demonstration● Easy to create an index index rt { type = rt path = /usr/local/sphinx/data/rt rt_field = title rt_field = content rt_attr_uint = gid }
  • 11. Demonstration● Easy to CRUD mysql -h 127.0.0.1 -P 9306 INSERT INTO rt VALUES .... SELECT * FROM rt; DELETE FROM rt WHERE id=2; REPLACE INTO rt VALUES ....● SphinxAPI support
  • 12. Migration● Simple and easy using existing tools mysqldump -uroot blog users > users_dump.sql mysql -P9306 < users_dump.sql
  • 13. Migration● Custom script as replace of ”source” block● Support all ”source” settings – Connection settings – SQL query among with Pre and Post SQL – SQL Range queries● Support fill index from scratch● Support index update
  • 14. Migration● Support of mixed indexes index distributed { type = distributed local = plain_main_index local = real_time_increment_index }
  • 15. Problem with LjSeek migration● Huge memory usage● Low search speed
  • 16. QuestionsQuestions ?
  • 17. References● Sphinx Search http://sphinxsearch.com/● Migration from plain to real time indexes script https://launchpad.net/migrate-sphinx-plain- indexes-into-real-time-indexes● Ivinco blog – is good resource about Sphinx Search http://www.ivinco.com/blog/● My blog – also good resource about Sphinx Search on russian language http://pro100pro.com/

×