--_000_86a9b704e7fa4477871d73afa3359748mxsoniclocal_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable [20:42] <sonicrose> is anybody out there using a good RAM+SSD caching syste= m ahead of gluster storage? [20:42] <sonicrose> sorry if that came through twice [20:44] <sonicrose> im thinking about making the SSD one giant swap file th= en creating a very large ramdisk in virtual memory and using that as a bloc= k level cache for parts and pieces of virtual machine disk images [20:44] <sonicrose> then i think the memory managers would inherently play = the role of storage tiering ie: keeping the hottest data in memory and the = coldest data on swap [20:45] <sonicrose> everything i have seen today has been setup as "consu= mer" =3D=3D=3D> network =3D=3D=3D=3D> SSD cache =3D=3D=3D=3D> real disks [20:45] <sonicrose> but i'd like to actually do "consumer" =3D=3D=3D> RAM+S= SD cache =3D=3D=3D> network =3D=3D=3D> real disks [20:46] <sonicrose> i realize doing a virtual memory disk means the cache w= ill be cleared on every reboot, and I'm ok with that [20:47] <sonicrose> i know this can be done with NFS and cachefilesd(fscach= e), but how could something be integrated into the native gluster clients? [20:47] <sonicrose> i'd prefer not to have to access gluster via NFS [20:49] <sonicrose> any feedback from this room is greatly appreciated, get= ting someone started to build managed HA cloud hosting --_000_86a9b704e7fa4477871d73afa3359748mxsoniclocal_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable <html xmlns:v=3D"urn:schemas-microsoft-com:vml" xmlns:o=3D"urn:schemas-micr= osoft-com:office:office" xmlns:w=3D"urn:schemas-microsoft-com:office:word" = xmlns:m=3D"http://schemas.microsoft.com/office/2004/12/omml" xmlns=3D"http:= //www.w3.org/TR/REC-html40"> <head> <meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Dus-ascii"=
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<o:shapedefaults v:ext=3D"edit" spidmax=3D"1026" /> </xml><![endif]--><!--[if gte mso 9]><xml> <o:shapelayout v:ext=3D"edit"> <o:idmap v:ext=3D"edit" data=3D"1" /> </o:shapelayout></xml><![endif]--> </head> <body lang=3D"EN-US" link=3D"#0563C1" vlink=3D"#954F72"> <div class=3D"WordSection1"> <p class=3D"MsoNormal" style=3D"margin-left:10.0pt;text-indent:-10.0pt;text= -autospace:none"> <span style=3D"font-size:9.0pt;font-family:"Verdana","sans-s= erif";color:gray;background:white;mso-highlight:white">[20:42] </span><span style=3D"font-size:9.0pt;font-family:"Verdana","= ;sans-serif";color:navy;background:white;mso-highlight:white"><soni= crose> is anybody out there using a good RAM+SSD caching system ahea= d of gluster storage?<o:p></o:p></span></p> <p class=3D"MsoNormal" style=3D"margin-left:10.0pt;text-indent:-10.0pt;text= -autospace:none"> <span style=3D"font-size:9.0pt;font-family:"Verdana","sans-s= erif";color:gray;background:white;mso-highlight:white">[20:42] </span><span style=3D"font-size:9.0pt;font-family:"Verdana","= ;sans-serif";color:navy;background:white;mso-highlight:white"><soni= crose> sorry if that came through twice<o:p></o:p></span></p> <p class=3D"MsoNormal" style=3D"margin-left:10.0pt;text-indent:-10.0pt;text= -autospace:none"> <span style=3D"font-size:9.0pt;font-family:"Verdana","sans-s= erif";color:gray;background:white;mso-highlight:white">[20:44] </span><span style=3D"font-size:9.0pt;font-family:"Verdana","= ;sans-serif";color:navy;background:white;mso-highlight:white"><soni= crose> im thinking about making the SSD one giant swap file then creatin= g a very large ramdisk in virtual memory and using that as a block level cache for parts and pieces of virtual machine disk images<o:p>= </o:p></span></p> <p class=3D"MsoNormal" style=3D"margin-left:10.0pt;text-indent:-10.0pt;text= -autospace:none"> <span style=3D"font-size:9.0pt;font-family:"Verdana","sans-s= erif";color:gray;background:white;mso-highlight:white">[20:44] </span><span style=3D"font-size:9.0pt;font-family:"Verdana","= ;sans-serif";color:navy;background:white;mso-highlight:white"><soni= crose> then i think the memory managers would inherently play the role o= f storage tiering ie: keeping the hottest data in memory and the coldest data on swap<o:p></o:p></span></p> <p class=3D"MsoNormal" style=3D"margin-left:10.0pt;text-indent:-10.0pt;text= -autospace:none"> <span style=3D"font-size:9.0pt;font-family:"Verdana","sans-s= erif";color:gray;background:white;mso-highlight:white">[20:45] </span><span style=3D"font-size:9.0pt;font-family:"Verdana","= ;sans-serif";color:navy;background:white;mso-highlight:white"><soni= crose> everything i have seen today has been setup as "= consumer" =3D=3D=3D> network =3D=3D=3D=3D> SSD cache= =3D=3D=3D=3D> real disks<o:p></o:p></span></p> <p class=3D"MsoNormal" style=3D"margin-left:10.0pt;text-indent:-10.0pt;text= -autospace:none"> <span style=3D"font-size:9.0pt;font-family:"Verdana","sans-s= erif";color:gray;background:white;mso-highlight:white">[20:45] </span><span style=3D"font-size:9.0pt;font-family:"Verdana","= ;sans-serif";color:navy;background:white;mso-highlight:white"><soni= crose> but i'd like to actually do "consumer" =3D=3D=3D> RA= M+SSD cache =3D=3D=3D> network =3D=3D=3D> real disks<o:p></= o:p></span></p> <p class=3D"MsoNormal" style=3D"margin-left:10.0pt;text-indent:-10.0pt;text= -autospace:none"> <span style=3D"font-size:9.0pt;font-family:"Verdana","sans-s= erif";color:gray;background:white;mso-highlight:white">[20:46] </span><span style=3D"font-size:9.0pt;font-family:"Verdana","= ;sans-serif";color:navy;background:white;mso-highlight:white"><soni= crose> i realize doing a virtual memory disk means the cache will be cle= ared on every reboot, and I'm ok with that<o:p></o:p></span></p> <p class=3D"MsoNormal" style=3D"margin-left:10.0pt;text-indent:-10.0pt;text= -autospace:none"> <span style=3D"font-size:9.0pt;font-family:"Verdana","sans-s= erif";color:gray;background:white;mso-highlight:white">[20:47] </span><span style=3D"font-size:9.0pt;font-family:"Verdana","= ;sans-serif";color:navy;background:white;mso-highlight:white"><soni= crose> i know this can be done with NFS and cachefilesd(fscache), but ho= w could something be integrated into the native gluster clients?<o:p></o:p>= </span></p> <p class=3D"MsoNormal" style=3D"margin-left:10.0pt;text-indent:-10.0pt;text= -autospace:none"> <span style=3D"font-size:9.0pt;font-family:"Verdana","sans-s= erif";color:gray;background:white;mso-highlight:white">[20:47] </span><span style=3D"font-size:9.0pt;font-family:"Verdana","= ;sans-serif";color:navy;background:white;mso-highlight:white"><soni= crose> i'd prefer not to have to access gluster via NFS<o:p></o:p></span=
</p> <p class=3D"MsoNormal"><span style=3D"font-size:9.0pt;font-family:"Ver= dana","sans-serif";color:gray;background:white;mso-highlight= :white">[20:49] </span><span style=3D"font-size:9.0pt;font-family:"Verdana","= ;sans-serif";color:navy;background:white;mso-highlight:white"><soni= crose> any feedback from this room is greatly appreciated, getting someo= ne started to build managed HA cloud hosting</span><o:p></o:p></p> </div> </body> </html>
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