Apache Solr High Performance电子书

Apache Solr High Performance

Table of Contents

Apache Solr High Performance

Credits

About the Author

About the Reviewers

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Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Downloading the example code

Errata

Piracy

Questions

1. Installing Solr

Prerequisites for Solr

Installing components

Summary

2. Boost Your Search

Scoring

Query-time and index-time boosting

Index-time boosting

Query-time boosting

Troubleshoot queries and scores

The dismax query parser

Lucene DisjunctionMaxQuery

Autophrase boosting

Configuring autophrase boosting

Configuring the phrase slop

Boosting a partial phrase

Boost queries

Boost functions

Boost addition and multiplication

Function queries

Field references

Function references

Mathematical operations

The ord() and rord() functions

Other functions

Boosting the function query

Logarithm

Reciprocal

Linear

Inverse reciprocal

Summary

3. Performance Optimization

Solr performance factors

Solr caching

Document caching

Query result caching

Filter caching

Result pages caching

Using SolrCloud

Creating a SolrCloud cluster

Multiple collections within a cluster

Managing a SolrCloud cluster

Distributed indexing and searching

Stopping automatic document distribution

Near real-time search

Summary

4. Additional Performance Optimization Techniques

Documents similar to those returned in the search result

Sorting results by function values

Searching for homophones

Ignore the defined words from being searched

Summary

5. Troubleshooting

Dealing with the corrupt index

Reducing the file count in the index

Dealing with the locked index

Truncating the index size

Dealing with a huge count of open files

Dealing with out-of-memory issues

Dealing with an infinite loop exception in shards

Dealing with expensive garbage collection

Bulk updating a single field without full indexation

Summary

6. Performance Optimization with ZooKeeper

Getting familiar with ZooKeeper

Prerequisites for a distributed server

Aid your distributed system using ZooKeeper

Setting an ideal node count for ZooKeeper

Setting up, configuring, and deploying ZooKeeper

Setting up ZooKeeper

Configuring ZooKeeper

Deploying ZooKeeper

Applications of ZooKeeper

Summary

A. Resources

Index