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https://issues.apache.org/jira/browse/CASSANDRA-8348?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14282184#comment-14282184
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Sachin Janani edited comment on CASSANDRA-8348 at 1/22/15 2:00 PM:
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I am taking up this jira.I would like to propose following 2 approaches:
1) To provide ks.cf list in the already available option -cf
This approach will take the following types of arguments:
e.g: nodetool snapshot -cf ks1.cf1 ks2.cf3 ks4.*
The above command will take snapshot of column family
cf1 from keyspace ks1 and cf3 from keyspace ks2 and all column families from
keyspace ks4
Pros:
No need to add extra option
Existing keyspace option will be obsolete
Cons:
Users may need to change their existing scripts and -cf
will no longer support only column family name
2) To provide separate option to accept keyspace.columnfamily list:
This approach will add a new option which will take following
parameters:
e.g nodetool -kclist ks1.cf1,ks2.cf2,ks2.cf3
The above command will take snapshot of column family cf1
from keyspace ks1 and cf3 from keyspace ks2
Pros:
Will support existing option so no need to change
existing scripts
Will help to take snapshot of multiple columnfamily
from different keyspace in one go
Cons:
Need to add extra option
Can anyone please suggest the approach that I should follow or if you have some
different approach please let me know.
was (Author: sachinjanani):
I am taking up this jira.I would like to propose following 2 approaches:
1) To provide ks.cf list in the already available option -cf
This approach will take the following types of arguments:
e.g: nodetool snapshot -cf ks1.cf1 ks2.cf3 ks4.*
The above command will take snapshot of column family
cf1 from keyspace ks1 and cf3 from keyspace ks2 and all column families from
keyspace ks4
Pros:
No need to add extra option
Existing keyspace option will be obsolete
Cons:
Users may need to change their existing scripts and -cf
will no longer support only column family name
2) To provide separate option to accept keyspace.columnfamily list:
This approach will add a new option which will take following
parameters:
e.g nodetool -kclist ks1.cf1 ks2.cf2 ks2.cf3 ks4.*
The above command will take snapshot of column family cf1
from keyspace ks1 and cf3 from keyspace ks2 and all column families from
keyspace ks4
Pros:
Will support existing option so no need to change
existing scripts
Will help to take snapshot of multiple columnfamily
from different keyspace in one go
Cons:
Need to add extra option
Can anyone please suggest the approach that I should follow or if you have some
different approach please let me know.
> allow takeColumnFamilySnapshot to take a list of ColumnFamilies
> ---------------------------------------------------------------
>
> Key: CASSANDRA-8348
> URL: https://issues.apache.org/jira/browse/CASSANDRA-8348
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Peter Halliday
> Priority: Minor
> Fix For: 3.0, 2.1.3
>
>
> Within StorageServiceMBean.java the function takeSnapshot allows for a list
> of keyspaces to snapshot. However, the function takeColumnFamilySnapshot
> only allows for a single ColumnFamily to snapshot. This should allow for
> multiple ColumnFamilies within the same Keyspace.
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