LindenPerformanceTest.md

Instance schema

• 11 fields in total

• 11 fields stored

• 5 tokenized string fields

  • Average string length of ‘subject’ field is about 10
  • Average string length of ‘message’ field is about 200
  • Average string length of ‘author’ field is about 10
  • Average string length of ‘authorid’ field is about 10
  • Average string length of ‘useip’ field is about 10

• 3 string term (non-tokenized) fields

  • Average string length of ‘thread_id’ field is about 7
  • Average string length of ‘forum_id’ field is about 4
  • Average string length of ‘port’ field is about 4

• 3 numeric fields

  • Long type field ‘dateline’
  • Integer type field ‘view’
  • Integer type field ‘replies’

Index size

• 11,015,908 docs
• 3.2GB disk usage

Machine info

• 2 * Intel(R) Xeon(R) CPU E5-2630 v2 @ 2.60GHz http://ark.intel.com/products/75790/Intel-Xeon-Processor-E5-2630-v2-15M-Cache-2_60-GHz
• DISK: SSD

Linden configuration

• No cache
• Heap size 4G

Test query scale

• 200,000 queries in total
• 40000 unique query

Test Result

Select * from linden by query is 'message:($query)' source 

	QPS	Average latency (MS)	Average number of hits
1 Instance	2060	14	146484
3 Instances	4620	14	146484

Select * from linden by query is 'subject:($query) message:($query)' source

	QPS	Average latency (MS)	Average number of hits
1 Instance	670	40	181940
3 Instances	1650	40	181940