riofs.conf.xml

<app>
    <foreground type="boolean">False</foreground>
</app>

<log>
    <!-- use syslog for error messages -->
    <use_syslog type="boolean">False</use_syslog>
    <use_color type="boolean">False</use_color>

    <!-- log level - LOG_err = 0, LOG_msg = 1, LOG_debug = 2 -->
    <level type="int">0</level>
</log>

<pool>
    <!-- number of concurrent connections for each type of operation -->
    <writers type="int">2</writers>
    <readers type="int">2</readers>

    <!-- number of concurrent connections for "other" operations, 
         such as directory listing, object deleting, etc -->
    <operations type="int">4</operations>

    <!-- max requests in pool queue -->
    <max_requests_per_pool type="uint">100</max_requests_per_pool>
</pool>

<s3>
    <!-- S3 endpoint, can be set to bucket's region to avoid initial redirect
         See http://docs.aws.amazon.com/general/latest/gr/rande.html#s3_region for options. -->
    <endpoint type="string">http://s3.amazonaws.com</endpoint>

    <!-- The maximum number of keys returned in the response body. -->
    <keys_per_request type="uint">1000</keys_per_request>
    
    <!-- part size for upload / download files (5mb is the minimal value) -->
    <part_size type="uint">5242880</part_size>
    
    <!-- compatibility with s3fs: send HEAD request to S3 if file size is 0 to check if it's a directory 
         Greatly increases directory access time. Consider to disable this option. -->
    <check_empty_files type="boolean">True</check_empty_files>

    <!-- Storage class to use for storing the object. 
         Valid Values: STANDARD | REDUCED_REDUNDANCY 
         Please read S3 documentation before changing this value ! -->
    <storage_type type="string">STANDARD</storage_type>

    <!-- Use either environment variables AWS_ACCESS_KEY_ID and AWS_SECRET_ACCESS_KEY or configuration file.
         Uncomment these 2 lines and replace ### strings with your data: -->
    <!--
    <access_key_id type="string">### AWS Access Key ID ###</access_key_id>
    <secret_access_key type="string">### AWS Secret Access Key ###</secret_access_key>
    -->

    <!-- If using with IAM roles, use the AWS_SESSION_TOKEN environment variable or configuration file.
         Uncomment the following line and replace ### strings with your data: -->
    <!--
    <session_token type="string">### Session Token ###</session_token>
    -->
</s3>

<connection>
    <!-- timeout value for HTTP requests (seconds) -->
    <timeout type="int">-1</timeout>

    <!-- number of retries, before giving up (-1 for infinite loop) -->
    <retries type="int">-1</retries>

    <!-- maximum redirects per HTTP request -->
    <max_redirects type="int">20</max_redirects>

    <!-- maximum retries per HTTP request -->
    <max_retries type="int">20</max_retries>
</connection>

<filesystem>
    <!-- set uid / gid of the owners of filesystem, -1 to use the current uid / gid of the calling process. -->
    <uid type="int">-1</uid>
    <gid type="int">-1</gid>
    <!-- set default mode for all files and directories, -1 to use the default value -->
    <dir_mode type="int">-1</dir_mode>
    <file_mode type="int">-1</file_mode>

    <!-- time to keep directory cache (seconds) -->
    <dir_cache_max_time type="uint">300</dir_cache_max_time>

    <!-- time to keep file attributes cache (seconds) -->
    <file_cache_max_time type="uint">10</file_cache_max_time>

    <!-- set True to enable calculating MD5 sum of file content, increases CPU load -->
    <md5_enabled type="boolean">True</md5_enabled>
    
    <!-- set True to enable objects caching -->
    <cache_enabled type="boolean">True</cache_enabled>

    <!-- directory for storing cache objects -->
    <cache_dir type="string">/tmp/riofs</cache_dir>

    <!-- maximum size of cache directory (1Gb) -->
    <cache_dir_max_size type="uint">1073741824</cache_dir_max_size>

    <!-- maximum time of cached object, 10 min -->
    <cache_object_ttl type="uint">600</cache_object_ttl>
</filesystem>

<statistics>
    <!-- set True to enable statistics server, disabled by default. -->
    <enabled type="boolean">False</enabled>

    <!-- set host to bind server to, or 0.0.0.0 to bind on all available interfaces -->
    <host type="string">127.0.0.1</host>
    <port type="int">8011</port>

    <!-- URI path -->
    <stats_path type="string">/stats</stats_path>
    <history_size type="uint">1000</history_size>
</statistics>