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The "FAQ" page has been changed by yukim: https://wiki.apache.org/cassandra/FAQ?action=diff&rev1=165&rev2=166 * [[#seed_spof|Does single seed mean single point of failure?]] * [[#jconsole_array_arg|Why can't I call jmx method X on jconsole? (ex. getNaturalEndpoints)]] * [[#max_key_size|What's the maximum key size permitted?]] - * [[#ubuntu_hangs|I'm using Ubuntu with JNA, and holy crap weird things keep hanging and stalling and printing scary tracebacks in dmesg!]] + * [[#ubuntu_hangs|I'm using Ubuntu with JNA, and weird things keep hanging and stalling and printing scary tracebacks in dmesg!]] * [[#schema_disagreement|What are schema disagreement errors and how do I fix them?]] * [[#dropped_messages|Why do I see "... messages dropped.." in the logs?]] * [[#memlock|Cassandra dies with "java.lang.OutOfMemoryError: Map failed"]] @@ -368, +368 @@ <<Anchor(ubuntu_ec2_hangs)>> <<Anchor(ubuntu_hangs)>> - == I'm using Ubuntu with JNA, and holy crap weird things keep hanging and stalling and blocking and printing scary tracebacks in dmesg! == + == I'm using Ubuntu with JNA, and weird things keep hanging and stalling and blocking and printing scary tracebacks in dmesg! == We have come across several different, but similar, sets of symptoms that might match what you're seeing. They might all have the same root cause; it's not clear. One common piece is messages like this in dmesg: {{{
