Quota lru #9
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Quota lru #9
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…data and can read with cache or withoud cache success
…g to the file size, 2. add the lru cache 3. use three process to write it simultaneously and can read without cache success
… write data to bucket, because when the process reseek, the offset will change
… new block is the last block before or not
…name() method when evict block
…uld also check the file name
…uccess when test the read(), write(), close() and delete() API
…putStream do the close() method is enough. because they share the same FileSystem object
…size is larger than 0, if true, then write the log, if not ,do not write the log
… used in the FileSystemImpl::catchUpFileStatusFromLog, in case of the lastBlockID change(if the lastBlockID is not pin ,so it can be evicted), but the index of the lastBlockID do not change
…ex to update the last block ID, should use the newest blockIDvector
…he last bucket index, just need to update the block id
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