cassandra-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Matthew Dennis <mden...@riptano.com>
Subject Re: Newbie Question about restarting Cassandra
Date Wed, 06 Oct 2010 20:06:30 GMT
Some relevant reading if you're interested:

http://dslab.epfl.ch/pubs/crashonly/
http://web.archive.org/web/20060426230247/http://crash.stanford.edu/

On Wed, Oct 6, 2010 at 1:46 PM, Scott Mann <sdmnix@gmail.com> wrote:

> Yes. ctrl-C if running in the foreground. Use kill <pid>, if running
> in the background (see the man page for kill if you are unfamiliar
> with it). Killing Cassandra is the only way to terminate it.
>
> On Wed, Oct 6, 2010 at 11:03 AM, Alberto Velandia <beto@yogadigital.net>
> wrote:
> > So, is ctrl + C how you stop cassandra? or I'm i better doing it another
> > way?
> > Thanks
> > On Oct 6, 2010, at 11:59 AM, Norman Maurer wrote:
> >
> > CTRL + Z does not stop a programm it just suspend it. You will need to
> > resume it with "fg" and then hit CTRL + C to stop it.
> >
> > For some basic background:
> >
> > http://linuxreviews.org/beginner/jobs/
> >
> > Bye,
> > Norman
> >
> >
> > 2010/10/6 Alberto Velandia <beto@yogadigital.net>:
> >
> > Hi I've stopped cassandra hitting Ctrl + Z and tried to restart it and
> got
> >
> > this message:
> >
> >  INFO 11:46:16,039 JNA not found. Native methods will be disabled.
> >
> >  INFO 11:46:16,159 DiskAccessMode 'auto' determined to be mmap,
> >
> > indexAccessMode is mmap
> >
> > ERROR 11:46:16,449 Fatal exception during initialization
> >
> > java.io.IOException: Failed to delete
> >
> > /var/lib/cassandra/data/system/LocationInfo-9-Data.db
> >
> >         at
> >
> >
> org.apache.cassandra.io.util.FileUtils.deleteWithConfirm(FileUtils.java:47)
> >
> >         at
> >
> > org.apache.cassandra.io.SSTable.deleteIfCompacted(SSTable.java:108)
> >
> >         at
> >
> >
> org.apache.cassandra.db.ColumnFamilyStore.<init>(ColumnFamilyStore.java:172)
> >
> >         at
> >
> >
> org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(ColumnFamilyStore.java:248)
> >
> >         at org.apache.cassandra.db.Table.<init>(Table.java:338)
> >
> >         at org.apache.cassandra.db.Table.open(Table.java:199)
> >
> >         at
> >
> > org.apache.cassandra.db.SystemTable.checkHealth(SystemTable.java:124)
> >
> >         at
> >
> >
> org.apache.cassandra.thrift.CassandraDaemon.setup(CassandraDaemon.java:97)
> >
> >         at
> >
> >
> org.apache.cassandra.thrift.CassandraDaemon.main(CassandraDaemon.java:214)
> >
> > 1. How I'm I supposed to stop Cassandra?
> >
> > 2. Is there a way for me to restart Cassandra without losing the data
> I've
> >
> > stored?
> >
> > Thanks
> >
> > Alberto Velandia
> >
> > Director de proyectos
> >
> > Calle 74 # 15-80 - Int 2. Oficina 202
> >
> > Osaka Trade Center
> >
> > Bogotá, Colombia, Latam.
> >
> > Tel: +571-345-1070
> >
> > Cel: +57301-466-3902
> >
> > Site en desarrollo: http://www.staging.yoga-digital.net/works
> >
> > Messenger: beto@yogadigital.net
> >
> > SkypeID: beto_velandia
> >
> >
> > La pureza de lo simple
> >
> > Este mensaje se dirige exclusivamente a su destinatario y puede contener
> >
> > información privilegiada o confidencial. Si no es usted el destinatario
> >
> > indicado, queda notificado de que la lectura, utilización, divulgación
> y/o
> >
> > copia sin autorización está prohibida en virtud de la legislación
> vigente.
> >
> > Si ha recibido este mensaje por error, le rogamos que nos lo comunique
> >
> > inmediatamente por esta misma vía y proceda a su destrucción. El correo
> >
> > electrónico vía Internet no permite asegurar la confidencialidad de los
> >
> > mensajes que se transmiten ni su integridad o correcta recepción. Yoga
> >
> > Digital S.A.S. no asume ninguna responsabilidad por estas circunstancias.
> >
> > This message is intended exclusively for its addressee and may contain
> >
> > information that is CONFIDENTIAL and protected by a professional
> privilege
> >
> > or whose disclosure is prohibited by law. If you are not the intended
> >
> > recipient you are hereby notified that any read, dissemination, copy or
> >
> > disclosure of this communication is strictly prohibited by law. If this
> >
> > message has been received in error, please immediately notify us via
> e-mail
> >
> > and delete it.  Internet e-mail neither guarantees the confidentiality
> nor
> >
> > the integrity or proper receipt of the messages sent. Yoga Digital S.A.S.
> >
> > does not assume any liability for those circumstances.
> >
> >
> >
> >
> > Alberto Velandia
> > Director de proyectos
> > Calle 74 # 15-80 - Int 2. Oficina 202
> > Osaka Trade Center
> > Bogotá, Colombia, Latam.
> > Tel: +571-345-1070
> > Cel: +57301-466-3902
> > Site en desarrollo: http://www.staging.yoga-digital.net/works
> > Messenger: beto@yogadigital.net
> > SkypeID: beto_velandia
> >
> >
> > La pureza de lo simple
> >
> > Este mensaje se dirige exclusivamente a su destinatario y puede contener
> > información privilegiada o confidencial. Si no es usted el destinatario
> > indicado, queda notificado de que la lectura, utilización, divulgación
> y/o
> > copia sin autorización está prohibida en virtud de la legislación
> vigente.
> > Si ha recibido este mensaje por error, le rogamos que nos lo comunique
> > inmediatamente por esta misma vía y proceda a su destrucción. El correo
> > electrónico vía Internet no permite asegurar la confidencialidad de los
> > mensajes que se transmiten ni su integridad o correcta recepción. Yoga
> > Digital S.A.S. no asume ninguna responsabilidad por estas circunstancias.
> >
> > This message is intended exclusively for its addressee and may contain
> > information that is CONFIDENTIAL and protected by a professional
> privilege
> > or whose disclosure is prohibited by law. If you are not the intended
> > recipient you are hereby notified that any read, dissemination, copy or
> > disclosure of this communication is strictly prohibited by law. If this
> > message has been received in error, please immediately notify us via
> e-mail
> > and delete it.  Internet e-mail neither guarantees the confidentiality
> nor
> > the integrity or proper receipt of the messages sent. Yoga Digital S.A.S.
> > does not assume any liability for those circumstances.
> >
>
>
>
> --
> -Scott
>



-- 
Riptano
Software and Support for Apache Cassandra
http://www.riptano.com/
mdennis@riptano.com
m: 512.587.0900 f: 866.583.2068

Mime
View raw message