Re: question about default leveldb block_size

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Thanks, Get it

2017-02-13 13:38 GMT+08:00 xinxin shu <xinxin.shu5040@xxxxxxxxx>:
> pls refer to https://github.com/ceph/ceph/blob/master/src/kv/LevelDBStore.cc#L71
>
> 2017-02-13 12:41 GMT+08:00 刘畅 <liuchang0812@xxxxxxxxx>:
>> Thanks  xinxin
>>
>> Where's the related code?
>>
>> 发自我的 iPhone
>>
>>> 在 2017年2月13日,11:58,xinxin shu <xinxin.shu5040@xxxxxxxxx> 写道:
>>>
>>> leveldb is opened with default block size (4K) with setting
>>> leveldb_block_size to 0
>>>
>>> 2017-02-13 11:34 GMT+08:00 liuchang0812 <liuchang0812@xxxxxxxxx>:
>>>> I saw that we use 0 as leveldb_block_size [1] as following:
>>>>
>>>>     OPTION(leveldb_block_size, OPT_U64, 0) // leveldb block size
>>>>
>>>> It seems that leveldb don't process 0 as a special value.
>>>>
>>>> Any reasons for this configuration? why not 4KB or 32KB?
>>>>
>>>>
>>>>
>>>> [1] https://github.com/ceph/ceph/blob/master/src/common/config_opts.h#L887
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