m******9
发帖数: 104 | 1 想学习MUMPS and Cache，请问大家有什么好书推荐给初学者自学，多谢 |
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p*********t
发帖数: 2690 | 2 这些cache是不是都用hashmap,bitmap,trie树之类的做暂存？ |
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h*****n
发帖数: 209 | 3 在Cache LRU实现的时候，为什么都是用doubly linked list而不是single linked
list呢？
请大牛赐教。 |
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h*****n
发帖数: 209 | 4 在Cache LRU实现的时候，为什么都是用doubly linked list而不是single linked
list呢？
请大牛赐教。 |
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h*****n
发帖数: 209 | 5 还想问一下，这个cache LRU是不是用一个简单的circular buffer也可以实现啊？
为啥大家要弄doubley linked list呢？ |
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g*****g
发帖数: 34805 | 6 我说的是 LRU cache, 一般是 key value pair. |
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S*A
发帖数: 7142 | 7 你说的这个是另外的实现，kernel paging 没有用这个 lc_cache.
这个 lc_cache 找了一下 reference 大概就是 block driver 里面
某个驱动用了，比较明显的用户只有这一个。和我说的 MMU paging
的 LRU 不是一个东西。这个 LC 看上每个 entry 占内存挺多的。
应该不会用在 page 上面。
LRU 本身并不需要 hashmap。那个是 cache lookup 的时候用的。
这两个是相对独立的东西。说得不对欢迎指正啊。 |
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g*********e
发帖数: 14401 | 8 你java vm heap size 有限 scala的cache应该是offheap 直接按照bytebuffer存的
另外它能handle内存不足swap到硬盘上的情况 |
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g*********9
发帖数: 1285 | 9 一定要至此分布式的多并发。couchbase, ignite cache都很垃圾。hazelcast不知道怎
么样。 |
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g*********9
发帖数: 1285 | 10 用在多个application servers上。ingnite cache也号称可以用在mapreduce上，做的
跟屎一样。 alluxio你用过？ |
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c**********5
发帖数: 653 | 11 把mySQL 的一个TABLE 全部CACHE到REDIS 里，怎么检查rediS 分的空间够了，不会溢
出. 是查那个Table + Index table不大于2G就行吗？ |
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f*******u
发帖数: 76 | 12 I would like to investigate the cache performance and miss rate of my
program. Do any of you know some good ones? Thanks. |
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g****n
发帖数: 13 | 13 【 以下文字转载自 Linux 讨论区 】
【 原文由 guajin 所发表 】
I don't have access to the server
but I remember I've read some way to clear the cache of the dhcp server
so that I can get a new IP
Thanks |
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h****e
发帖数: 2125 | 14 64bytes吗?
如果我设定一个char c[64]，那么这个数组的所有成员都在同一个cache line里吗?谢谢
大虾。 |
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a***n
发帖数: 40 | 15 Does anybody know how to disable BIOS memeory options such as caching or
shadowing? I cannot find such options in BIOS. Where can I find these things
? THanks. |
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R*******N
发帖数: 7494 | 16 一般data被load到cache时，
如何判断什么时候data没用了，要evict掉，腾出空间来装其他数据？
大牛们指正... |
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c*****o
发帖数: 310 | 17 比如d cache 从4kb 增加到8kb
这个4kb是如何计算出来的？ |
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a****l
发帖数: 8211 | 18 I think you need to refine/rethink your question. Clock frequency is decided
by the physical attributes of the ic, which has nothing to do with the
existance of cache. |
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D***e
发帖数: 247 | 19 Taking organization course right now?
The memory stage in the textbook is for RAM, which is sort of SRAM
, not the DRAM you are thinking of. That is cache. Look up MMU. |
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s***f
发帖数: 226 | 20 You have to understand memory hierarchy. The definitions of cache and RAM. |
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p*********8
发帖数: 957 | 21 cache is the upper level of memory hierarchy, it is smaller and faster. |
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n*****g
发帖数: 365 | 22 In case of the MicroBlaze microprocessor on FPGAs, cache is the fastest on-
FPGA, which does not delay any stage. |
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d*b
发帖数: 21830 | 23 server放美国。因为你的流量98％来自美国，这样网页点击率高了，广告也多，而且不
影响中国的业务，但你的squid cache在美国，不但容易overload，而且响应时间慢，
网页点击率降低不是1，2倍的，广告流量也就低了。
说实话，中国的业务，我看还不如推到重来，搞一个全新的网站比较好。 |
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t*********u
发帖数: 26311 | 24 如果用ODBC先连接了一个hive table
然后中间对这个table进行了write的操作
write完以后马上通过odbc进行query，但是query显示最新的data不在里面，
如果等一会儿就能看见最新加入的data
会不会是ODBC的caching导致的latency issue？ |
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w*******y
发帖数: 60932 | 25 Mwave
1TB Hitachi Deskstar 7200 RPM 32MB Cache SATA Internal Hard Drive
$69.99 - $10 Code HITACHI02
= $59.99 with Free Shipping
Note: You need to join mClub (free) for the discount.
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w*******y
发帖数: 60932 | 27 Just got the guerrilla deal email from Newegg and this little bugger stuck
out to me (personally because I am in the market for a 1tb hdd).
HITACHI Deskstar HD31000 IDK/7K (0S00163) 1TB 7200 RPM 32MB Cache SATA 3.0Gb
/s 3.5" Internal Hard Drive
+
FREE Rosewill External Enclosure |
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w*******y
发帖数: 60932 | 28 Western Digital Scorpio Blue WD6400BPVT 640GB 5400 RPM 8MB Cache 2.5" SATA 3
.0Gb/s Internal Notebook Hard Drive -Bare Drive - 74.99 lowest price
according to camelegg
Link:
http://www.newegg.com/Product/Product.aspx?Item=N82E16822136568
Note this is the one of the cheapest 4kb sector drives (aka advanced format
technology) per gb seen in sometime. Google it.
this is the -PVT not the PET model. The rest are 512b. The larger 4kb drives
are the 750gb 7200gb momentus by seagate and the 1tb and 750g |
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w*******y
发帖数: 60932 | 29 Newegg
Samsung Spinpoint F3 HD103SJ 1TB 7200 RPM 32MB Cache SATA
$70 - $5 code EMCYTNN25
= $65 with free shipping
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w*******y
发帖数: 60932 | 30 Newer faster 2-platter model supports SATA3 as well as older
SATA versions and comes with 64MB of cache memory.
$89.99 - $10 Coupon "JULY4TH" = $79.99 Free Shipping
Link:
https://www.ewiz.com/detail.php?name=HD-W12FAEX
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w*******y
发帖数: 60932 | 33 Newegg
1.5TB Seagate Barracuda LP 5900 RPM 32MB Cache SATA 3.5" Hard Drive
$69.99 with free shipping
*deal starts 10 AM PST*
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w*******y
发帖数: 60932 | 34 Newegg
1TB Samsung F2 HD103SI 5400 RPM 32MB Cache SATA Internal Hard Drive
$70 - $15 code HDDSAMSUNG1
= $55 with free shipping
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w*******y
发帖数: 60932 | 36 Newegg
Link to Combo Deal
$120 - $20 Rebate
= $100 with free shipping
2TB Hitachi Desktar 7200 RPM 32MB Cache SATA Internal Hard Drive
Rosewill RX-DU101 2.5" & 3.5" USB 2.0 Docking Station
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w*******y
发帖数: 60932 | 37 Newegg
2TB Western Digital Caviar Green WD20EARS 64MB Cache SATA Internal Hard
Drive
= $99.99 with free shipping
*deal starts at 10 am pst*
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w*******y
发帖数: 60932 | 39 Newegg
1TB Samsung Spinpoint F3 HD103SJ 7200 RPM 32MB Cache SATA Internal Hard
Drive
= $59.99 with free shipping
*deal starts at 10 AM PST*
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w*******y
发帖数: 60932 | 41 Mwave has the SEAGATE ST32000542AS Barracuda LP 2TB 5900 RPM 32MB:
http://www.mwave.com/mwave/deepsearch_v3.asp?scriteria=AA76259
cache SATA 3.0Gb/s 3.5" internal hard drive (Bare Drive) for $99.99 with
free shipping for Mwave Club members (sign up is free).
Warranty is three years for this OEM - New drive.
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w*******y
发帖数: 60932 | 43 Western Digital Caviar Blue WD5000AAKS 500GB 7200 RPM 16MB Cache SATA 3.0Gb/
s 3.5" Internal Hard Drive $54.99.
Apply coupon code 'WDHD910' and the price drops to $39.99. Shipping is free.
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w*******y
发帖数: 60932 | 46 Seagate Momentus 5400 ST9640320AS 640GB 5400 RPM 8MB Cache 2.5" SATA 3.0Gb/s
Internal Notebook Hard Drive -Bare Drive
Link:
http://www.newegg.com/Product/Product.aspx?Item=N82E16822148527
Next lowest price for this drive on Pricegrabber is $94.26 with shipping.
Equivalent Samsung drive: $79.99 @ Newegg
Equivalent Toshiba drive: $79.99 @ Newegg
Equivalent Western Digital drive: $84.99 @ Newegg
Lowest price I've seen yet for this 2.5" (notebook-sized) drive. No rebates,
just raw price goodness.
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