Fedora Summer Coding community April 2013

summer-coding@lists.fedoraproject.org

17 participants
37 discussions

GSOC PROPOSAL
by Sarath Kumar Somana 30 Apr '13

30 Apr '13

Hi Everyone! I submitted a GSOC proposal on melange. Please comment your reviews on that. Proposal link : http://www.google-melange.com/gsoc/proposal/review/google/gsoc2013/sarathso… Thanks! Sarath Somana IRC : nerdvana

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Gsoc 2013
by jcmarca＠gmail.com 30 Apr '13

30 Apr '13

Hi. I just aplyed for the Web Hosting control panel project. If I missed anything or I did something wrong, please let me know. Greets Jose Carlos Marugan

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Documents should be in pdf or open format
by Buddhike Kurera 28 Apr '13

28 Apr '13

Dear Students, Please note that all the documents you are sending should be in open formats. Better to send it in pdf format. Check it before you send those. [1] https://fedoraproject.org/wiki/GSOC_2013/Student_Application_Process [2] http://en.wikipedia.org/wiki/Open_format#Text -- Regards, Buddhike Chandradeepa Kurera (bckurera)

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Student Application Template is filled
by László Boros 27 Apr '13

27 Apr '13

Hi! I'm writing my application right now, and I wanted you to know that the student application template has been edited and filled. Since I don't know if something has been deleted, I thought it's better if I notify you and I don't edit the page itself. https://fedoraproject.org/wiki/GSOC_2013/Student_Application_Template/Common Greets, Semmu

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Re: summer-coding Digest, Vol 19, Issue 18
by Sarup Banskota 27 Apr '13

27 Apr '13

On Sat, Apr 27, 2013 at 5:31 PM, < summer-coding-request(a)lists.fedoraproject.org> wrote: > Send summer-coding mailing list submissions to > summer-coding(a)lists.fedoraproject.org > > To subscribe or unsubscribe via the World Wide Web, visit > https://admin.fedoraproject.org/mailman/listinfo/summer-coding > or, via email, send a message with subject or body 'help' to > summer-coding-request(a)lists.fedoraproject.org > > You can reach the person managing the list at > summer-coding-owner(a)lists.fedoraproject.org > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of summer-coding digest..." > > > Today's Topics: > > 1. Recommendation letter inquiry (Sarup Banskota) > 2. Fwd: [GSoC] Implement a Cassandra/NoSQL Connector or > Translator for GlusterFS (Jilin Xpd) > 3. Student Application Submission - Updates (Buddhike Kurera) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Fri, 26 Apr 2013 20:08:06 +0530 > From: Sarup Banskota <sbanskota08(a)gmail.com> > To: Buddhike Kurera <bckurera(a)fedoraproject.org> > Cc: summer-coding(a)lists.fedoraproject.org, Emily Dirsh > <edirsh(a)redhat.com> > Subject: Recommendation letter inquiry > Message-ID: > < > CABfbgvv7M5fi6pJ1aCJb4iotz9xvDX4GWePCRvGv6h-1yWD8Uw(a)mail.gmail.com> > Content-Type: text/plain; charset="iso-8859-1" > > Hi Buddhike, > > I had a word with one of my professors regarding the recommendation letter. > According to my University rules, any recommendation letters should be > uploaded/emailed directly by the professor to the concerned people. I also > believe this system is fair, because students wouldn't have to play around > with the letter once it is sent to them by the profs. :) > > So it might so happen that I will forward him your email ID, and my > recommendation letter might land to your email through him. Is that ok? Of > course, I will make sure he makes it clear it is meant for me. > > Thank you, > Sarup Banskota > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > http://lists.fedoraproject.org/pipermail/summer-coding/attachments/20130426… > > > > ------------------------------ > > Message: 2 > Date: Sat, 27 Apr 2013 09:48:33 +0800 > From: Jilin Xpd <jilinxpd(a)gmail.com> > To: devel(a)lists.fedoraproject.org, > summer-coding(a)lists.fedoraproject.org > Subject: Fwd: [GSoC] Implement a Cassandra/NoSQL Connector or > Translator for GlusterFS > Message-ID: > <CAJ46KbXPmT= > go9c0P2LLfDmjgy0gKw+nsxP+FVqkpnHAH8nTmQ(a)mail.gmail.com> > Content-Type: text/plain; charset="iso-8859-1" > > Hi, all, > > I'm applying for the GSOC project "*Implement a Cassandra/NoSQL Connector > or Translator for GlusterFS*". > Since I have completed my GSOC proposal, I would like to post it here, any > sugggestions will be welcome. > > > Here is my application in fedora project wiki: > https://fedoraproject.org/wiki/GSOC_2013/Student_Application_Jilinxpd > > Here is my application with *proposal *in google-melange: > > https://google-melange.appspot.com/gsoc/proposal/review/google/gsoc2013/jil… > > > > Best regards, > Peidong > > > > > > ---------- Forwarded message ---------- > From: Jilin Xpd <jilinxpd(a)gmail.com> > Date: 2013/4/25 > Subject: Fwd: [GSoC] Implement a Cassandra/NoSQL Connector or Translator > for GlusterFS > To: avati(a)redhat.com, Anand Babu Periasamy <abperiasamy(a)gmail.com>, > johnmark(a)redhat.com > Cc: Buddhike Kurera <bckurera(a)fedoraproject.org> > > > Dear mentors, > > I'm Peidong, the guy applying for the GSOC project "*Implement a > Cassandra/NoSQL Connector or Translator for GlusterFS*". > I have finished my proposal, I hope you can help review it, thanks very > much! > > Here is my application in fedora project wiki: > https://fedoraproject.org/wiki/GSOC_2013/Student_Application_Jilinxpd > > Here is my application with *proposal *in google-melange: > > https://google-melange.appspot.com/gsoc/proposal/review/google/gsoc2013/jil… > > Hi Peidong, I think one of the header still says "GSoC 2012", so you might want to change it to GSoC 2013. :) I've noticed that you have fixed that in the wiki. Good luck. > Best Regards, > Peidong > > > > > ---------- Forwarded message ---------- > From: Jilin Xpd <jilinxpd(a)gmail.com> > Date: 2013/4/23 > Subject: Fwd: [GSoC] Implement a Cassandra/NoSQL Connector or Translator > for GlusterFS > To: avati(a)redhat.com, abperiasamy(a)gmail.com, johnmark(a)redhat.com > Cc: Buddhike Kurera <bckurera(a)fedoraproject.org> > > > Dear mentors, > > I'm a student willing to apply for the GSOC project "*Implement a > Cassandra/ > NoSQL Connector or Translator for GlusterFS*". > I have contacted with Mr Walker before, he hasn't reply yet. > As I'm now writing my proposal, I have some questions about this project. > Would you kindly help me solving my questions? Thanks very much! > > My questions is as follows: > > (1) As I understand it, the project is to write a storage translator for > GlusterFS, so that GlusterFS can use Cassandra as its backend storage. > One of the benefits is that legacy applications which are incompatible with > NoSQL can now store key-value pairs into Cassandra indirectly. > Am I right? > > (2) Since the users will only store key-value pairs as a file into our > system, they may not use directory, file attribute and extended file > attribute, do we need to provide fops to support these features? > If we do, then as for the directory, I find it not very difficult to > support it, since directory can map to the super column and column family > in Cassandra. > > That's all my questions. Thanks for your time! > > I'm still designing and writing my proposal, I will post to your all as > soon as I finish. > > Best regards, > Peidong > > > > > ---------- Forwarded message ---------- > From: Jilin Xpd <jilinxpd(a)gmail.com> > Date: 2013/4/22 > Subject: [GSoC] Implement a Cassandra/NoSQL Connector or Translator for > GlusterFS > To: johnmark(a)redhat.com > > > Hi, Mr Walker, > > I'm Peidong Xie, a third year master student from Institute of Software, > Chinese Academy of Sciences. > > Sorry to communicate with you so late, I want to express my interest in the > idea "*Implement a Cassandra/NoSQL Connector or Translator for GlusterFS* > ". > > I have read the documents in the GlusterFS website, from where I got the > knowledge of GlusterFS architecture and the way of writing translators. > Also, I roughly read the code of posix translator and bdb translator, and > figured out the skeleton of a storage translator. > > I noticed that GlusterFS had bdb as one of its storage backends, but it's > obsoleted. To implement a Cassandra translator for Glusterfs, I think the > bdb translator is a good reference. > Cassandra doesn't provide native interface for C, there is a C++ client ( > libQtCassandra) which involves 3rd party libraries, so I think it's better > to use raw Thrift API in Glusterfs. > > I have participated in some projects, most of my work is related with file > system: > > (1) In 2011, I together with another student, developed a shared fs based > on FUSE, it's used to store libvirt checkpoint file and image file, then > multiple VMs could read/write a checkpoint or image simultaneously. The > key idea is parting the whole file into small blocks and cache them in > memory, so that VMs could share the file blocks. COW is used to make sure a > VM's write won't influence others. > > (2) During last year's GSoC, I made the smbfs(CIFS client) in > illumossupport > mmap. Firstly, I implemented mmap with block i/o, the main work it to > implement the VFS interfaces, such as smbfs_mmap, smbfs_getpage, > smbfsputpage. Secondly, I add page cache support to file i/o, mainly > modified smbfs_read, smbfs_write. With mmap, smbfs could cache file in > memory and reduce the i/o request over the wire, so the efficiency of i/o > increases. > > (3) In last year, I spent some time porting ecryptfs-utils to > RedFlagLinux, making it work with > ecryptfs, to support encrypted home directory. > > Currently, I concentrate on the storage issues in big data. I have done > study on some distributed systems such as hdfs, hbase, mongodb, cassandra, > and storage engines such as bdb and leveldb. > > I hope my project experience and background knowledge could help in > "Implement a Cassandra/NoSQL Connector or Translator for GlusterFS ". > I haven't finished my proposal yet, I will finish it in one or two days. > > > Best regards, > Peidong > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > http://lists.fedoraproject.org/pipermail/summer-coding/attachments/20130427… > > > > ------------------------------ > > Message: 3 > Date: Sat, 27 Apr 2013 10:45:12 +0530 > From: Buddhike Kurera <bckurera(a)fedoraproject.org> > To: "summer-coding(a)lists.fedoraproject.org" > <summer-coding(a)lists.fedoraproject.org> > Subject: Student Application Submission - Updates > Message-ID: > <CAMkiuSudKVxbQvOvM5AZRfKhz= > wtZ0t_y2zSgf7b0jb_gDhhdQ(a)mail.gmail.com> > Content-Type: text/plain; charset="utf-8" > > Hi > > At the moment we have received following student applications, covering > Fedora student application guideline, > > https://fedoraproject.org/wiki/GSOC_2013/Student_Application_Sarupbanskota > https://fedoraproject.org/wiki/GSOC_2013/Student_Application_Bttalic > > We have asked more info from some students who posted incomplete > applications. > > Please complete the application process asap and let us know. > > -- > Regards, > Buddhike Chandradeepa Kurera (bckurera) > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > http://lists.fedoraproject.org/pipermail/summer-coding/attachments/20130427… > > > > ------------------------------ > > _______________________________________________ > summer-coding mailing list > summer-coding(a)lists.fedoraproject.org > https://admin.fedoraproject.org/mailman/listinfo/summer-coding > > End of summer-coding Digest, Vol 19, Issue 18 > ********************************************* >

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Student Application Submission - Updates
by Buddhike Kurera 27 Apr '13

27 Apr '13

Hi At the moment we have received following student applications, covering Fedora student application guideline, https://fedoraproject.org/wiki/GSOC_2013/Student_Application_Sarupbanskota https://fedoraproject.org/wiki/GSOC_2013/Student_Application_Bttalic We have asked more info from some students who posted incomplete applications. Please complete the application process asap and let us know. -- Regards, Buddhike Chandradeepa Kurera (bckurera)

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Fwd: [GSoC] Implement a Cassandra/NoSQL Connector or Translator for GlusterFS
by Jilin Xpd 27 Apr '13

27 Apr '13

Hi, all, I'm applying for the GSOC project "*Implement a Cassandra/NoSQL Connector or Translator for GlusterFS*". Since I have completed my GSOC proposal, I would like to post it here, any sugggestions will be welcome. Here is my application in fedora project wiki: https://fedoraproject.org/wiki/GSOC_2013/Student_Application_Jilinxpd Here is my application with *proposal *in google-melange: https://google-melange.appspot.com/gsoc/proposal/review/google/gsoc2013/jil… Best regards, Peidong ---------- Forwarded message ---------- From: Jilin Xpd <jilinxpd(a)gmail.com> Date: 2013/4/25 Subject: Fwd: [GSoC] Implement a Cassandra/NoSQL Connector or Translator for GlusterFS To: avati(a)redhat.com, Anand Babu Periasamy <abperiasamy(a)gmail.com>, johnmark(a)redhat.com Cc: Buddhike Kurera <bckurera(a)fedoraproject.org> Dear mentors, I'm Peidong, the guy applying for the GSOC project "*Implement a Cassandra/NoSQL Connector or Translator for GlusterFS*". I have finished my proposal, I hope you can help review it, thanks very much! Here is my application in fedora project wiki: https://fedoraproject.org/wiki/GSOC_2013/Student_Application_Jilinxpd Here is my application with *proposal *in google-melange: https://google-melange.appspot.com/gsoc/proposal/review/google/gsoc2013/jil… Best Regards, Peidong ---------- Forwarded message ---------- From: Jilin Xpd <jilinxpd(a)gmail.com> Date: 2013/4/23 Subject: Fwd: [GSoC] Implement a Cassandra/NoSQL Connector or Translator for GlusterFS To: avati(a)redhat.com, abperiasamy(a)gmail.com, johnmark(a)redhat.com Cc: Buddhike Kurera <bckurera(a)fedoraproject.org> Dear mentors, I'm a student willing to apply for the GSOC project "*Implement a Cassandra/ NoSQL Connector or Translator for GlusterFS*". I have contacted with Mr Walker before, he hasn't reply yet. As I'm now writing my proposal, I have some questions about this project. Would you kindly help me solving my questions? Thanks very much! My questions is as follows: (1) As I understand it, the project is to write a storage translator for GlusterFS, so that GlusterFS can use Cassandra as its backend storage. One of the benefits is that legacy applications which are incompatible with NoSQL can now store key-value pairs into Cassandra indirectly. Am I right? (2) Since the users will only store key-value pairs as a file into our system, they may not use directory, file attribute and extended file attribute, do we need to provide fops to support these features? If we do, then as for the directory, I find it not very difficult to support it, since directory can map to the super column and column family in Cassandra. That's all my questions. Thanks for your time! I'm still designing and writing my proposal, I will post to your all as soon as I finish. Best regards, Peidong ---------- Forwarded message ---------- From: Jilin Xpd <jilinxpd(a)gmail.com> Date: 2013/4/22 Subject: [GSoC] Implement a Cassandra/NoSQL Connector or Translator for GlusterFS To: johnmark(a)redhat.com Hi, Mr Walker, I'm Peidong Xie, a third year master student from Institute of Software, Chinese Academy of Sciences. Sorry to communicate with you so late, I want to express my interest in the idea "*Implement a Cassandra/NoSQL Connector or Translator for GlusterFS* ". I have read the documents in the GlusterFS website, from where I got the knowledge of GlusterFS architecture and the way of writing translators. Also, I roughly read the code of posix translator and bdb translator, and figured out the skeleton of a storage translator. I noticed that GlusterFS had bdb as one of its storage backends, but it's obsoleted. To implement a Cassandra translator for Glusterfs, I think the bdb translator is a good reference. Cassandra doesn't provide native interface for C, there is a C++ client ( libQtCassandra) which involves 3rd party libraries, so I think it's better to use raw Thrift API in Glusterfs. I have participated in some projects, most of my work is related with file system: (1) In 2011, I together with another student, developed a shared fs based on FUSE, it's used to store libvirt checkpoint file and image file, then multiple VMs could read/write a checkpoint or image simultaneously. The key idea is parting the whole file into small blocks and cache them in memory, so that VMs could share the file blocks. COW is used to make sure a VM's write won't influence others. (2) During last year's GSoC, I made the smbfs(CIFS client) in illumossupport mmap. Firstly, I implemented mmap with block i/o, the main work it to implement the VFS interfaces, such as smbfs_mmap, smbfs_getpage, smbfsputpage. Secondly, I add page cache support to file i/o, mainly modified smbfs_read, smbfs_write. With mmap, smbfs could cache file in memory and reduce the i/o request over the wire, so the efficiency of i/o increases. (3) In last year, I spent some time porting ecryptfs-utils to RedFlagLinux, making it work with ecryptfs, to support encrypted home directory. Currently, I concentrate on the storage issues in big data. I have done study on some distributed systems such as hdfs, hbase, mongodb, cassandra, and storage engines such as bdb and leveldb. I hope my project experience and background knowledge could help in "Implement a Cassandra/NoSQL Connector or Translator for GlusterFS ". I haven't finished my proposal yet, I will finish it in one or two days. Best regards, Peidong

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Recommendation letter inquiry
by Sarup Banskota 26 Apr '13

26 Apr '13

Hi Buddhike, I had a word with one of my professors regarding the recommendation letter. According to my University rules, any recommendation letters should be uploaded/emailed directly by the professor to the concerned people. I also believe this system is fair, because students wouldn't have to play around with the letter once it is sent to them by the profs. :) So it might so happen that I will forward him your email ID, and my recommendation letter might land to your email through him. Is that ok? Of course, I will make sure he makes it clear it is meant for me. Thank you, Sarup Banskota

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Student Application process - Just a week to go
by Buddhike Kurera 26 Apr '13

26 Apr '13

Hi Student, Just a week remaining to submit your GSoC 2013 application. Therefore please make sure that you have submitted the application in advance. Follow the instructions at https://fedoraproject.org/wiki/GSOC_2013/Student_Application_Process Still if you are not sure how to proceed please do contact me asap. -- Regards, Buddhike Chandradeepa Kurera (bckurera)

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Document Submission
by Sarup Banskota 26 Apr '13

26 Apr '13

Hi Buddhike, I've emailed you my documents. It's been 24 hours and since the application process page says I am supposed to immediately inform the admins, I thought I should drop in a note :) Thank you, Sarup Banskota

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Fedora Summer Coding community April 2013