Can you turn on debug logging on Cassandra (change INFO to debug in conf/log4j-server.properties) and see what happens when you send a write that doesn't seem to have an effect?
- Tyler On Wed, Nov 17, 2010 at 4:40 PM, Dr. Andrew Perella <a...@eutechnyx.com>wrote: > The value I want to change is: > > > > ColumnOrSuperColumn(column=Column(timestamp=1290033433618000L, > name='currentCarUID', value='82b50f91663f42ee8a740447efa1bdae', ttl=None), > super_column=None) > > > > and I try to overwrite it with: > > > > Mutation(column_or_supercolumn= > > ColumnOrSuperColumn(column=Column(timestamp=1290033474541000L, > name=u'currentCarUID', value='e7d0cac632134c479110b6f0bb5ca6ea', ttl=None), > super_column=None), deletion=None) > > > > I am just running a single node test machine. > > > > I am using it to run multiple keyspaces for other services (from other > clients) if that might be relevant at all. > > > > > > *From:* Tyler Hobbs [mailto:ty...@riptano.com] > *Sent:* 17 November 2010 22:33 > > *To:* user@cassandra.apache.org > *Subject:* Re: casssandra 0.7beta3, pycassa and windows client timestamps > > > > Can you give me an example of what your writes look like here? > > Are you running a multinode cluster or just one instance of Cassandra? > > - Tyler > > On Wed, Nov 17, 2010 at 4:30 PM, Dr. Andrew Perella <a...@eutechnyx.com> > wrote: > > Miliseconds – but that’s not the problem – I can wait 10 minutes and still > not get the value updated! Other times I can update many times a second – > it just seems random! > > > > *From:* Tyler Hobbs [mailto:ty...@riptano.com] > *Sent:* 17 November 2010 22:28 > *To:* user@cassandra.apache.org > *Subject:* Re: casssandra 0.7beta3, pycassa and windows client timestamps > > > > What resolution does time.time() give you in Windows? > > - Tyler > > On Wed, Nov 17, 2010 at 4:23 PM, Dr. Andrew Perella <a...@eutechnyx.com> > wrote: > > I have encountered a strange problem with values not being written to > Cassandra very often. > > It looks like it is a windows client timestamp problem. I cannot detect a > pattern as to when a timestamp will allow an update however if I run my > client (in a web server) on linux then the problem goes away. > > > > Has anyone seen anything like this or will I need to delve deeper into > thift? > > > > FYI I am using pythons int(time.time()*1e6) as a timestamp > > > > Best Regards, > > Andrew > > This e-mail is confidential and may be privileged. It may be read, copied > and used only by the intended recipient. No communication sent by e-mail to > or from Eutechnyx is intended to give rise to contractual or other legal > liability, apart from liability which cannot be excluded under English law. > > This email has been scanned for all known viruses by www.epagency.net. > > www.eutechnyx.com Eutechnyx Limited. Registered in England No: 2172322 > > > > This email has been scanned for all known viruses by the Email Protection > Agency > > This e-mail is confidential and may be privileged. It may be read, copied > and used only by the intended recipient. No communication sent by e-mail to > or from Eutechnyx is intended to give rise to contractual or other legal > liability, apart from liability which cannot be excluded under English law. > > This email has been scanned for all known viruses by www.epagency.net. > > www.eutechnyx.com Eutechnyx Limited. Registered in England No: 2172322 > > > > This email has been scanned for all known viruses by the Email Protection > Agency > > This e-mail is confidential and may be privileged. It may be read, copied > and used only by the intended recipient. No communication sent by e-mail to > or from Eutechnyx is intended to give rise to contractual or other legal > liability, apart from liability which cannot be excluded under English law. > > This email has been scanned for all known viruses by www.epagency.net. > www.eutechnyx.com Eutechnyx Limited. Registered in England No: 2172322 >
