<redis_session><!-- All options seen here are the defaults -->
<host>127.0.0.1</host><!-- Specify an absolute path if using a unix socket -->
<port>6379</port>
<password></password><!-- Specify if your Redis server requires authentication -->
<timeout>2.5</timeout><!-- This is the Redis connection timeout, not the locking timeout -->
<persistent></persistent><!-- Specify unique string to enable persistent connections. -->
<db>2</db><!-- Redis database number; protection from accidental loss is improved by using a unique DB number for sessions -->
<compression_threshold>2048</compression_threshold><!-- Set to 0 to disable compression (recommended when suhosin.session.encrypt=on); known bug with strings over 64k: https://github.com/colinmollenhour/Cm_Cache_Backend_Redis/issues/18 -->
<compression_lib>gzip</compression_lib><!-- gzip, lzf or snappy -->
<log_level>4</log_level><!-- 0 (emergency: system is unusable), 4 (warning; additional information, recommended), 5 (notice: normal but significant condition), 6 (info: informational messages), 7 (debug: the most information for development/testing) -->
<max_concurrency>6</max_concurrency><!-- maximum number of processes that can wait for a lock on one session; for large production clusters, set this to at least 10% of the number of PHP processes -->
<break_after_frontend>5</break_after_frontend><!-- seconds to wait for a session lock in the frontend; not as critical as admin -->
<break_after_adminhtml>30</break_after_adminhtml>
<bot_lifetime>7200</bot_lifetime><!-- Bots get shorter session lifetimes. 0 to disable -->