Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: CTDGM: A Data Grouping Model Based on Cache Transaction for Unstructured
  Data Storage Systems   Cache prefetching technology has become the mainstream data access
optimization strategy in the data centers. However, the rapidly increasing of
unstructured data generates massive pairwise access relationships, which can
result in a heavy computational burden for the existing prefetching model and
lead to severe degradation in the performance of data access. We propose
cache-transaction-based data grouping model (CTDGM) to solve the problems
described above by optimizing the feature representation method and grouping
efficiency. First, we provide the definition of the cache transaction and
propose the method for extracting the cache transaction feature (CTF). Second,
we design a data chunking algorithm based on CTF and spatiotemporal locality to
optimize the relationship calculation efficiency. Third, we propose CTDGM by
constructing a relation graph that groups data into independent groups
according to the strength of the data access relation. Based on the results of
the experiment, compared with the state-of-the-art methods, our algorithm
achieves an average increase in the cache hit rate of 12% on the MSR dataset
with small cache size (0.001% of all the data), which in turn reduces the
number of data I/O accesses by 50% when the cache size is less than 0.008% of
all the data.

25
The categories of this paper are: patt-sol
24
The categories of this paper are: dg-ga
0
The categories of this paper are: hep-ph
28
The categories of this paper are: alg-geom
9
The categories of this paper are: nlin
20
The categories of this paper are: acc-phys
6
The categories of this paper are: astro-ph
8
The categories of this paper are: hep-ex
27
The categories of this paper are: comp-gas
11
The categories of this paper are: hep-lat
4
The categories of this paper are: cond-mat
10
The categories of this paper are: q-bio
32
The categories of this paper are: atom-ph
3
The categories of this paper are: physics
7
The categories of this paper are: hep-th
33
The categories of this paper are: plasm-ph