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<div class="moz-cite-prefix">Sure, that will not be an issue. <br>
<br>
Paolo<br>
<br>
On 10/10/13 11:30 PM, Randall Hauch wrote:<br>
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cite="mid:F443EEF9-A1C6-4B08-9973-67D3117CB0F6@redhat.com"
type="cite">
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Also, it looks like <a moz-do-not-send="true"
class="moz-txt-link-freetext"
href="https://github.com/cloudtm/sti-bt">https://github.com/cloudtm/sti-bt</a> is
licensed under LGPL2.1. Would you might asking if they'd consider
relicensing under ASL2.0 so that it's more compatible with the
relicensed ISPN?<br>
<div><br>
<div>
<div>On Oct 10, 2013, at 5:25 PM, Randall Hauch <<a
moz-do-not-send="true" href="mailto:rhauch@redhat.com">rhauch@redhat.com</a>>
wrote:</div>
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<div style="word-wrap: break-word; -webkit-nbsp-mode: space;
-webkit-line-break: after-white-space; ">"scalable,
distributed transactional index (B+tree) over ISPN"
<div><br>
</div>
<div>This is **REALLY** interesting. Mark, can you send me
the paper if it can't be attached to the mailing list?<br>
<div><br>
<div>
<div>On Oct 3, 2013, at 12:38 PM, Mark Little <<a
moz-do-not-send="true"
href="mailto:m.c.little@ncl.ac.uk">m.c.little@ncl.ac.uk</a>>
wrote:</div>
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<blockquote type="cite">
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<div>FYI I presented on the current state of
cloud-TM at HPTS a week or so ago and there
was much interest. I pointed people at our
website.<br>
<br>
Sent from my iPad</div>
<div><br>
On 3 Oct 2013, at 18:16, Paolo Romano <<a
moz-do-not-send="true"
href="mailto:romano@inesc-id.pt">romano@inesc-id.pt</a>>
wrote:<br>
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Hi all,<br>
<br>
even the Cloud-TM project is officially over,
we thought to share with you one of our last
efforts, which unfortunately were a tad too
late to make it into the submitted version of
the platform (and deliverables etc). <br>
<br>
This is a scalable, distributed transactional
index (B+tree) over ISPN, which combines a
number of optimizations (in areas like data
locality, concurrency, load balancing/elastic
scaling) and builds over previous work (in
particular, GMU [1] and Bumper [2]) that made
it possible to achieve linear scalability up
to 100 VMs even in update intensive workloads.<br>
<br>
Hot features:<br>
- at most 1 remote data access per each index
operation thanks to :<br>
i) transaction migration, <br>
ii) combined use of full and partial
replication (transparent and self-tuning
depending on cluster size), <br>
iii) optimized data placement via customi
hash functions<br>
- almost total avoidance of data contention
thanks to the exploitation of commutativity
operations on the index (via dirty reads and
delayed actions)<br>
- it's built directly on top of ISPN (it does
not depend on Fenix, unlike the collections'
implementation that were used, e.g., by
GeoGraph ).<br>
<br>
Details in the attached paper!<br>
<br>
We believe that this index implementation
could be something generally useful for the
ISPN community, especially given all the
recent efforts in the areas of query. On the
other hand, we should point out that the
current implementation [3]:<br>
i) depends on transactional features
(transaction migration, dirty reads, delayed
actions) that have not been integrated in the
official version of ISPN;<br>
ii) has been for the moment implemented as a
Radargun extension, i.e. no effort was spent
to modularize it/polish its API.<br>
<br>
...so it would take some effort to have it
fully integrated in the master version of
ISPN.... but you know the saying: no pain no
gain ;-)<br>
<br>
We'd love to hear your feedback of course!<br>
<br>
Nuno & Paolo<br>
<br>
[1] Sebastiano Peluso, Pedro Ruivo,<span
class="Apple-converted-space"> </span><a
moz-do-not-send="true" class="p"
href="http://www.gsd.inesc-id.pt/%7Eromanop"
style="font-weight: bold; text-decoration:
none; "><b><b style="">Paolo</b><span
class="Apple-converted-space"> </span><b
style="">Romano</b></b></a>, Francesco
Quaglia, and Luis Rodrigues,<strong><a
moz-do-not-send="true"
href="http://www.gsd.inesc-id.pt/%7Eromanop/files/papers/icdcs12.pdf"
style="font-weight: bold; text-decoration:
none; color: rgb(102, 85, 102);">When
Scalability Meets Consistency: Genuine
Multiversion Update Serializable Partial
Data Replication,</a></strong><i><strong>
</strong>32nd International Conference on
Distributed Computing Systems (ICDCS 2012)</i><br>
<br>
[2] Nuno Diegues and<span
class="Apple-converted-space"> </span><a
moz-do-not-send="true" class="p"
href="http://www.gsd.inesc-id.pt/%7Eromanop"
style="font-weight: bold; text-decoration:
none; "><b><b style="">Paolo</b><span
class="Apple-converted-space"> </span><b
style="">Romano</b></b></a>,<strong><a
moz-do-not-send="true"
href="http://www.gsd.inesc-id.pt/%7Eromanop/files/papers/SRDS13.pdf"
style="font-weight: bold; text-decoration:
none; color: rgb(102, 85, 102);">Bumper:
Sheltering Transactions from Conflicts</a></strong>,<i><i>The
32th IEEE Symposium on Reliable
Distributed Systems (SRDS 2013)</i>,
Braga, Portugal, Oct. 2013</i><br
class="Apple-interchange-newline">
<br>
[3] <a moz-do-not-send="true"
class="moz-txt-link-freetext"
href="https://github.com/cloudtm/sti-bt">https://github.com/cloudtm/sti-bt</a>
</blockquote>
<blockquote type="cite"><STI-BT-report.pdf></blockquote>
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