Changes between Version 41 and Version 42 of FGBI


Ignore:
Timestamp:
10/07/11 00:12:32 (13 years ago)
Author:
lvpeng
Comment:

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  • FGBI

    v41 v42  
    5151Figures 2a, 2b, 2c, and 2d show the type I downtime com-
    5252parison among [wiki:FGBI FGBI], [wiki:LLM LLM], and [http://nss.cs.ubc.ca/remus/ Remus] mechanisms under [http://httpd.apache.org/ Apache], [http://www.nas.nasa.gov/Resources/Software/npb.html NPB-EP],
    53 [http://www.spec.org/web2005/ SPECweb], and SPECsys applications, respectively. The block size used in all
     53[http://www.spec.org/web2005/ SPECweb], and [http://www.spec.org/sfs97r1/ SPECsys] applications, respectively. The block size used in all
    5454experiments is 64 bytes. For [http://nss.cs.ubc.ca/remus/ Remus] and [wiki:FGBI FGBI], the checkpointing period is the
    5555time interval of system update migration, whereas for [wiki:LLM LLM], the checkpointing
    … …  
    7474downtime by as much as 77%. Moreover, compared with [http://nss.cs.ubc.ca/remus/ Remus], [wiki:FGBI FGBI] yields a
    7575shorter downtime, by as much as 31% under [http://httpd.apache.org/ Apache], 45% under [http://www.nas.nasa.gov/Resources/Software/npb.html NPB-EP], 39%
    76 under [http://www.spec.org/web2005/ SPECweb], and 35% under SPECsys.
     76under [http://www.spec.org/web2005/ SPECweb], and 35% under [http://www.spec.org/sfs97r1/ SPECsys].
    7777
    7878[[Image(table1.jpg)]]
    … …  
    101101Figure 3a shows the overhead during VM migration. The figure compares the
    102102applications' runtime with and without migration, under [http://httpd.apache.org/ Apache], [http://www.spec.org/web2005/ SPECweb],
    103 [http://www.nas.nasa.gov/Resources/Software/npb.html NPB-EP], and SPECsys, with the size of the fine-grained blocks varies from 64
     103[http://www.nas.nasa.gov/Resources/Software/npb.html NPB-EP], and [http://www.spec.org/sfs97r1/ SPECsys], with the size of the fine-grained blocks varies from 64
    104104bytes to 128 bytes and 256 bytes. We observe that in all cases the overhead is
    105105low, no more than 13% ([http://httpd.apache.org/ Apache] with 64 bytes block). As we discuss in Section 3,