To shutdown cleanly, say in a production system, use nodetool drain first. This will flush the memtables and put the node into a read only mode, AFAIK this also gives the other nodes a faster way of detecting the node is down via the drained node gossiping it's new status. Then kill.
Aaron
On 07 Oct, 2010,at 07:46 AM, Scott Mann <sdm...@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 <b...@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 <b...@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(FileUtilsjava: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
>
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> 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: b...@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
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--
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