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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 05:07:51 GMT
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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