On Tue, Sep 20, 2011 at 12:29 AM, aaron morton <firstname.lastname@example.org
> I've also found it useful to disable memmapped file access until the scrub is complete by adding this to the yaml
> disk_access_mode: standard
> Aaron Morton
> Freelance Cassandra Developer
> On 20/09/2011, at 6:55 AM, Jonathan Ellis wrote:
>> You should start with scrub.
>> On Mon, Sep 19, 2011 at 1:04 PM, Eric Czech <email@example.com
>>> I'm getting a lot of errors that look something like "java.io.IOError:
>>> java.io.IOException: mmap segment underflow; remaining is 348268797
>>> but 892417075 requested" on one node in a 10 node cluster. I'm
>>> currently running version 0.8.4 but this is data that was carried over
>>> from much earlier versions. Should I try to run scrub or are there
>>> any other general guidelines for dealing with this sort of error?
>>> Thanks everyone!
>> Jonathan Ellis
>> Project Chair, Apache Cassandra
>> co-founder of DataStax, the source for professional Cassandra support