# groonga - An open-source fulltext search engine and column store.

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# 7.1.9. groonga-suggest-learner

## 7.1.9.1. Summary

groonga-suggest-learner is a program to learn suggest result from data which derived from groonga-suggest-httpd. Usually, it is used with groonga-suggest-httpd, but It is allowed to launch standalone. In such a case, groonga-suggest-learner loads data from log directory.

## 7.1.9.2. Synopsis

    groonga-suggest-learner [options] database_path

## 7.1.9.3. Usage

groonga-suggest-leaner supports the two way of learning data. One is learning data from groonga-suggest-httpd, the other is learning data from already existing log files.

### 7.1.9.3.1. Learning data from groonga-suggest-httpd

Execute groonga-suggest-learner.:

    groonga-suggest-learner testdb/db

### 7.1.9.3.2. Learning data from log files

Execute groonga-suggest-learner with `-l` option.

Here is the sample to load log data under `logs` directory:

    groonga-suggest-learner -l logs testdb/db

## 7.1.9.4. Options

`-r``<endpoint>``,` `--receive-endpoint``<endpoint>`

  Uses `<endpoint>` as the receiver endpoint.

`-s``<endpoint>``,` `--send-endpoint``<endpoint>`

  Uses `<endpoint>` as the sender endpoint.

`-d````,` `--daemon```

  Runs as a daemon.

`-l``<directory>``,` `--log-base-path``<directory>`

  Reads logs from `<directory>`.

`--log-path``<path>`

  Outputs log to `<path>`.

`--log-level``<level>`

  Uses `<level>` for log level. `<level>` must be between 1 and 9. Larger level outputs more logs.

## 7.1.9.5. Parameters

There is one required parameter - `database_path`.

### 7.1.9.5.1. `database_path`

Specifies the path to a groonga database.

## 7.1.9.6. Related tables

Here is the list of table which learned data is stored. If you specify `query` as dataset name, following `_DATASET` suffix are replaced. Thus, `event_query` table is used.

- event_DATASET

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