[hibernate-issues] [Hibernate-JIRA] Updated: (HSEARCH-212) Added ReaderProvider strategy reusing unchanged segments (using reader.reopen())

Added ReaderProvider strategy reusing unchanged segments (using reader.reopen()) -------------------------------------------------------------------------------- Key: HSEARCH-212 URL: http://opensource.atlassian.com/projects/hibernate/browse/HSEARCH-212 Project: Hibernate Search Issue Type: New Feature Components: directory provider Reporter: Sanne Grinovero Assignee: Sanne Grinovero Fix For: 3.1.0.Beta1 Creating a new ReaderProvider, it should be faster and more scalable compared to the current ones. Here are some numbers on a little 9MB index; it should improve on bigger indexes: (SharingBufferReaderProvider is the name it had during tests) using 100 threads: Performance test for org.hibernate.search.reader.SharingBufferReaderProvider: 34735ms. (20000 searches, 1000 insertions, 2000 updates) Performance test for org.hibernate.search.reader.SharingBufferReaderProvider: 34396ms. (20000 searches, 1000 insertions, 2000 updates) Performance test for org.hibernate.search.reader.SharingBufferReaderProvider: 37347ms. (20000 searches, 1000 insertions, 2000 updates) Performance test for org.hibernate.search.reader.SharingBufferReaderProvider: 36895ms. (20000 searches, 1000 insertions, 2000 updates) Performance test for org.hibernate.search.reader.SharingBufferReaderProvider: 36100ms. (20000 searches, 1000 insertions, 2000 updates) Performance test for shared: 42433ms. (20000 searches, 1000 insertions, 2000 updates) Performance test for shared: 44830ms. (20000 searches, 1000 insertions, 2000 updates) Performance test for shared: 40704ms. (20000 searches, 1000 insertions, 2000 updates) Performance test for shared: 43685ms. (20000 searches, 1000 insertions, 2000 updates) Performance test for not-shared: 50452ms. (20000 searches, 1000 insertions, 2000 updates) Performance test for not-shared: 48171ms. (20000 searches, 1000 insertions, 2000 updates) Performance test for not-shared: 52862ms. (20000 searches, 1000 insertions, 2000 updates) Performance test for not-shared: 49999ms. (20000 searches, 1000 insertions, 2000 updates) 20 Threads: Performance test for org.hibernate.search.reader.SharingBufferReaderProvider: 31133ms. (20000 searches, 1000 insertions, 2000 updates) Performance test for org.hibernate.search.reader.SharingBufferReaderProvider: 31408ms. (20000 searches, 1000 insertions, 2000 updates) Performance test for shared: 38170ms. (20000 searches, 1000 insertions, 2000 updates) Performance test for shared: 36327ms. (20000 searches, 1000 insertions, 2000 updates) Performance test for not-shared: 41712ms. (20000 searches, 1000 insertions, 2000 updates) Performance test for not-shared: 42224ms. (20000 searches, 1000 insertions, 2000 updates)