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From Jonathan Ellis <jbel...@gmail.com>
Subject Re: Testing row cache feature in trunk: write should put record in cache
Date Wed, 17 Feb 2010 05:22:11 GMT
... tell you what, if you write the option-processing part in
DatabaseDescriptor I will do the actual cache part. :)

On Tue, Feb 16, 2010 at 11:07 PM, Jonathan Ellis <jbellis@gmail.com> wrote:
> https://issues.apache.org/jira/secure/CreateIssue!default.jspa, but
> this is pretty low priority for me.
>
> On Tue, Feb 16, 2010 at 8:37 PM, Weijun Li <weijunli@gmail.com> wrote:
>> Just tried to make quick change to enable it but it didn't work out :-(
>>
>>                ColumnFamily cachedRow = cfs.getRawCachedRow(mutation.key());
>>
>>                 // What I modified
>>                 if( cachedRow == null ) {
>>                     cfs.cacheRow(mutation.key());
>>                     cachedRow = cfs.getRawCachedRow(mutation.key());
>>                 }
>>
>>                 if (cachedRow != null)
>>                     cachedRow.addAll(columnFamily);
>>
>> How can I open a ticket for you to make the change (enable row cache write
>> through with an option)?
>>
>> Thanks,
>> -Weijun
>>
>> On Tue, Feb 16, 2010 at 5:20 PM, Jonathan Ellis <jbellis@gmail.com> wrote:
>>>
>>> On Tue, Feb 16, 2010 at 7:17 PM, Jonathan Ellis <jbellis@gmail.com> wrote:
>>> > On Tue, Feb 16, 2010 at 7:11 PM, Weijun Li <weijunli@gmail.com> wrote:
>>> >> Just started to play with the row cache feature in trunk: it seems to
>>> >> be
>>> >> working fine so far except that for RowsCached parameter you need to
>>> >> specify
>>> >> number of rows rather than a percentage (e.g., "20%" doesn't work).
>>> >
>>> > 20% works, but it's 20% of the rows at server startup.  So on a fresh
>>> > start that is zero.
>>> >
>>> > Maybe we should just get rid of the % feature...
>>>
>>> (Actually, it shouldn't be hard to update this on flush, if you want
>>> to open a ticket.)
>>
>>
>

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