392
Data517573018392171223301
Reduction-Deduplication8495730183801522353243824364795576416887818549361025110911471190124913271379142215001585
and2464573018379162245
Compression2739573018378153279362417490547605648726810
Data529962014473134175236
growth789962014461104165252295359
is117196201443078
the1273962014440105160
biggest145796201446393154215271318359
data1840962014462120161219
center2083962014449104169209264306
hardware5291142014465123165227314371412468
infrastructure1021114201443096134176234282322364431480522589631686
challenge17311142014449113172200229284350411467
for2222114201443895137
large529132201442987129190245
enterprises;7981322014456121161216258322363394441497544575
Capacity-optimization1397132201446512418724529432436541645051057461464474477582488192195210111077
technologies529150201444196145209275335364423484515570617
play1170150201446493152202
a13961502014459
critical1479150201444890121162192241299327
role18301502014442102131186
in2040150201443096
today’s21601502014441100163221272297338
environment5291682014455121172202244303369469525590630
where11831682014487151207248304
companies15111682014448106206270328394424480527
need20621682014466121177239
to23251682014441100
increase529186201443096145187242301348403
storage956186201444888148190248309364
efficiency1344186201445688121153202233288354402453
and18211862014459124187
reduce2032186201444297160227276330
costs5292042014449107154195242
–7952042014460
To8762042014457105
do10052042014463122
more115120420144100160202257
with14322042014487117158223
less1679204201442984131179
.18822042014423
Data2782962014473134175236
Reduction3042962014462117182251297339372433499
is356596201443078
the3667962014440105160
process3851962014464106165214269316364
of423996201445997
minimizing43609620144100130196227278211420144100130179210276337
the31431142014440105160
amount33271142014459158218285351390
of3741114201445997
data38621142014463121162220
that41061142014441105164204
needs43341142014466122177239287
to27821322014441100
be29061322014462118
stored3048132201444788147189244307
in3379132201443096
a34991322014458
data35811322014463121162220
storage3825132201444788147189247309364
environment42131322014455121172202244303369278215020144100155221260
which30661502014487152182231296
can33861502014448107172
be35821502014463118
achieved37241502014458107172202257308362425
using41721502014467115145211272
several446815020144481031542782168201445597155184
different2990168201446293128164217259314380419
types3433168201444192156211258
of3715168201446098
technologies.3837168201444096145209275335364423484515570617639
The44971682014457122177
best-known27821862014462118165206239292358418505571
data33771862014462121161220
reduction3621186201444197159226275317347406472
technique4117186201444196145210276306367434490
is4631186201443078
Deduplication27822042014475131193260324353384432491531562621687
and34932042014458124186
Compression.37032042014466123223287329384431479509569635657
Deduplication5292582014473130194264329358391438499540572633699
is1252258201443078
the13542582014440105160
process15382582014464106165214269316364
of1926258201445997
identifying2047258201443093148214253284322374404470531
duplicate26022582014463130194223253302360401456
data30822582014463121161220
contained33262582014448106172211270300366421484
within38342582014487117158223253319
a41772582014458
set42592582014448103144
of4427258201445997
block529276201446291151200253
storage806276201444788147189247308363
objects11932762014460122153208257299346
and15632762014458124187
consolidating17742762014448106172220279308338401459500530596657
it2455276201443171
such25502762014448115163228
that28022762014441105164204
only30302762014460126155206
one32602762014459125180
actual34642762014459107149216274303
copy37912762014448106170221
of4036276201445997
the41572762014441106161
data43422762014462121161220
is4586276201443077
used5292942014467114170232
by7852942014463114
many92329420144100158224274
sources.12212942014447106173215264319366388
This16302942014457122152200
feature1853294201443992150190257299355
can22322942014448107172
result2428294201444298145212241282
in2734294201443096
significant2854294201444778139205235267300348407472512
space33902942014447111169218272
savings36862942014448106156187253314361
depending40712942014463118182237303365396462523
on5293122014459125
the6783122014441106161
nature8633122014466124165232274329
of1216312201445998
the13373122014441106161
data.15223122014463121162220243
It1789312201442868
can18813122014449107173
be20783122014462118
done22203122014462122188243
at2487312201445899
source,26103122014447107174216264319343
inline2977312201443096125155221277
or32783122014459101
post-process.34033122014464123171211245309350410459513561608630
For40573122014452108150
example,42313122014455110167267331360415439
suppose5293302014447114178242301349404
the9573302014441105161
same11423302014447105205260
1014263302014437105
MB15553302014499160
PowerPoint17393302014458114201257298355412443509548
presentation23113302014464106161208264329369427467498557623
is2958330201443178
stored3060330201444788147189244307
in3391330201443096
1035113302014437105
folders3640330201443895125187242284332
for3996330201443895137
each41573302014455113162227
sales44083302014447105134189237
associate5293482014458106153213261292350391446
or9993482014459101
department.11243482014463118182240282322422477543582607
That’s17513482014458123181221248289
10020643482014437105173
MB22603482014499161
of2445348201445997
disk2566348201446393141194
space27843482014447111169218273
consumed30813482014448106172220287386442504
to36093482014441100
maintain373334820144100159189255294352383449
the42063482014440105160
same43903482014448106206261
105293662014437105
MB6583662014498160
file.84236620144326594149172
File1038366201445283112167
deduplication12293662014463118180247311340371419478518549608674
ensures19273662014455121168235277333380
that23313662014441105164204
only25593662014460126155206
one27893662014459125180
complete29933662014449107207271300355396451
copy34683662014449107170221
is3713366201443178
saved38153662014447106156210272
to41113662014441100
disk.4235366201446393140193216
Subsequent447536620144561231855293842014447103164231286352391
iterations944384201443171127168227267298357423470
of1438384201446098
the15603842014440105160
file174438420144336594149
are19173842014458100155
only20963842014460126155206
saved23263842014447106156209272
as26223842014458106
references2752384201444197135188230285351399454501
that32773842014441106164205
point35063842014463123153219258
to37883842014441100
the39123842014441105161
saved40973842014447105155209272
copy,43933842014448106170221234
so5294022014447107
end-users6604022014455121183219286334389431478
still1162402201444888119148177
see13634022014447103158
their15454022014440105160191233
own18024022014459146212
files203840220144326594149196
in2258402201443197
place.2379402201446392151199254278
Similarly,2681402201445585185216245303345374425438
a31434022014459
storage3225402201444888148190248309364
systemmay3613402201444899146187242342466524575
retain4212402201444297138196226292
20045284022014453121189
e-mails,529420201445591191250280309356378
each9314202014455114163227
with11824202014487118158223
a14294202014458
115114202014437
MB15724202014498160
attachment.1756420201445999140198247311411467533572596
With237442020144104135175240
deduplication,26384202014463118181248311340371420478518549608674697
the33594202014441105161
20035444202014453121188
MB37564202014499161
needed39414202014466121176239294357
to43224202014441100
store4446420201444788147189244
each5294382014455114162227
17804382014437
MB8414382014498160
attachment1025438201445999140198247311411467532572
is1621438201443077
reduced1722438201444298160227276331393
to21394382014441100
just2263438201443198145186
124734382014437
MB25344382014498160
for2718438201443895137
one28794382014460126181
iteration3084438201443071126168226267297357423
of3531438201445997
the36524382014441105161
file383743820144326493148
.40094382014423
Compression5294922014462121220285328384430476509570636
is1189492201443078
the12914922014440105160
process14754922014464106165214269316364
of1863492201445997
reducing1984492201444297160227276306372433
data24414922014463121162220
to26854922014441100
use28094922014467114170
less3003492201442984131179
capacity32064922014448107170228277308348399
than36294922014441106164230
the38824922014441106161
original40674922014459101132193223289348376
format.446749220144389613752951020144100158199223
Compression7765102014466123223286328384431478509568634
basically14345102014463121168199247306334363414
attempts1872510201445899140195295359399447
to2343510201444099
reduce2466510201444298160227276331
the28215102014440105160
size3005510201444878127181
of3210510201445997
a33315102014459
file341351020144336594149
by35865102014463114
removing3724510201444197197256307337403464
redundant4212510201444298160227293356414480519
data5295282014463121161220
within7735282014487117158222253319
the11165282014440105160
file.130052820144336594149173
By14975282014462113
making163452820144100158210241307368
files202652820144326493149196
smaller,22465282014447147206234263319360383
less2653528201442984132179
disk2856528201446393141194
space30745282014447111169218272
is3370528201443178
consumed,34725282014449107173220287387443505528
and40245282014458124187
more423552820144100159201256
files451552820144326594149196
can5295462014449107173
be7265462014462117
stored867546201444888148190245307
on11985462014460126
disk.1348546201446293140193216
For15885462014452108150
example,17625462014456110168267331360415439
a22255462014458
10023075462014437105173
KB25045462014463125
text2653546201444196151191
file286854620144326594149
might304154620144100130192256295
be33605462014463118
compressed35025462014449107207270312368415462518580
to41065462014441100
5242305462014452105
KB43595462014463125
by45085462014463113
removing529564201444297197256307338404465
extra10185642014455110150192251
spaces12935642014447111169218273320
or16375642014459101
replacing1762564201444297161190248297328394455
long2241564201442988154215
character24805642014449114172214272321362417459
strings2963564201444888130161227288335
with33225642014487118158223
short35695642014447112171213254
representations.3847564201444297161203258305361426466524564595654720768789
An5295822014467132
algorithm685582201445886147207249279320385485
recreates1194582201444297146188243301342397445
the16635822014440105160
original18475822014460101132193224290348376
data22475822014463121162220
when24915822014487152207273
the27885822014440105160
file297258220144336594149
is3145582201443078
read.3247582201444297155218241
For35125822014452108150
example,36865822014455110167267331360415439
a41495822014458
2:14231582201445383122
compression437758220144481062065296002014464106161208256286346412
ratio9656002014442100140171230
can12196002014449107173
ideally1416600201443093148206235264315
allow1755600201445887116175262
40020416002014459127195
GB22606002014475137
worth24216002014487147189229294
of2739600201445997
files286060020144326594149196
on30806002014460126
a32306002014458
20033126002014453121189
GB35256002014475137
disk3686600201446393141194
(or3904600201443392134
20040626002014453121189
GB42756002014476138
worth44366002014488147189229294
of529618201445997
files65061820144336594149197
would8716182014487146213242305
only12006182014459125154205
take1429618201444199151207
10016606182014436104172
GB18566182014476138
on20186182014459125
the21676182014441105161
disk).2352618201446293140193226249
It’s262561820144286996136
very27856182014452106147198
difficult3007618201446393126158191240307336376
to34076182014441100
determine35316182014463118159214256356386452508
exactly40636182014455110167216257286337
how44246182014465124211
much52963620144100167216280
a8336362014459
file91663620144326493148
can10886362014449107173
be12856362014462118
compressed14276362014449106206270312367415462518580
until20316362014467133172203232
a22876362014458
compression23696362014449107207270312368415462493552618
algorithm3011636201445887148207249280320385485
is3520636201443078
applied.36226362014458122185214245300363386
21530710601575899
|6557106015735
July7167106015741117150212
20189547106015758130172239
DoIT32587133015779146179240
Newsletter35247133015783146241289321384429474536583