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commit d8b48bf1faf88e678fe853b149d946ead48f9310
Author: Dries Kimpe <dkimpe(a)mcs.anl.gov>
Date: Sun Sep 30 22:43:41 2012 -0500
Final read-through fixes
commit fa542293c158c6100fc1e5343c6405363d718c87
Author: Dries Kimpe <dkimpe(a)mcs.anl.gov>
Date: Sun Sep 30 22:29:20 2012 -0500
Change line color for print in bw
-----------------------------------------------------------------------
Summary of changes:
papers/conditional-write/TODO | 13 ++++++++++++-
.../conditional-write/figs/scale-512bins-rate.plt | 4 ++--
.../conditional-write/figs/scale-allbins-rate.plt | 4 ++--
papers/conditional-write/paper.tex | 10 ++++++----
4 files changed, 22 insertions(+), 9 deletions(-)
Diff of changes:
diff --git a/papers/conditional-write/TODO b/papers/conditional-write/TODO
index 0095cb5..aac9da6 100644
--- a/papers/conditional-write/TODO
+++ b/papers/conditional-write/TODO
@@ -3,7 +3,6 @@ DONE - Add governement license argonne
DONE - Fix figures
-- Send to Ja-Quel for clearance
1) some of the broader suggestions from rob:
@@ -12,6 +11,18 @@ DONE - Fix figures
DONE - balance columns on last page
+
+
4) submit paper and email co-authors with submitted copy
+
+-----------------------
+-- After acceptance ---
+-----------------------
+
+- Send to Ja-Quel for clearance
+
+- Make sure to add corresponding author
+
+
diff --git a/papers/conditional-write/figs/scale-512bins-rate.plt b/papers/conditional-write/figs/scale-512bins-rate.plt
index 2fca1af..5f43421 100644
--- a/papers/conditional-write/figs/scale-512bins-rate.plt
+++ b/papers/conditional-write/figs/scale-512bins-rate.plt
@@ -28,7 +28,7 @@ set xrange [0:33]
plot "scale-512bins.dat" using 1:7 notitle with points lc 1, \
"scale-512bins.avg.dat" using 1:7 title "conditional updates" with lines lc 1, \
- "scale-512bins.dat" using 1:4 notitle with points lc 2, \
- "scale-512bins.avg.dat" using 1:4 title "locked updates" with lines lc 2
+ "scale-512bins.dat" using 1:4 notitle with points lc 3, \
+ "scale-512bins.avg.dat" using 1:4 title "locked updates" with lines lc 3
#plot "< cat rand-un-read-ext4-vosd.dat |grep read" using 2:5 title "VOSD/ext4 (disk)" with points lt 1, \
diff --git a/papers/conditional-write/figs/scale-allbins-rate.plt b/papers/conditional-write/figs/scale-allbins-rate.plt
index d971fcf..f4f12da 100644
--- a/papers/conditional-write/figs/scale-allbins-rate.plt
+++ b/papers/conditional-write/figs/scale-allbins-rate.plt
@@ -28,7 +28,7 @@ set xrange [0:33]
plot "scale-allbins.dat" using 1:7 notitle with points lc 1, \
"scale-allbins.avg.dat" using 1:7 title "conditional updates" with lines lc 1, \
- "scale-allbins.dat" using 1:4 notitle with points lc 2, \
- "scale-allbins.dat" using 1:4 title "locked updates" with lines lc 2
+ "scale-allbins.dat" using 1:4 notitle with points lc 3, \
+ "scale-allbins.dat" using 1:4 title "locked updates" with lines lc 3
#plot "< cat rand-un-read-ext4-vosd.dat |grep read" using 2:5 title "VOSD/ext4 (disk)" with points lt 1, \
diff --git a/papers/conditional-write/paper.tex b/papers/conditional-write/paper.tex
index 0684561..94463b0 100644
--- a/papers/conditional-write/paper.tex
+++ b/papers/conditional-write/paper.tex
@@ -176,7 +176,7 @@ literature. A well-known alternative to locking in those arenas is
to leverage conditional storage operations, such as compare-and-swap
or load-link/store-conditional. These primitives can be used as building
blocks to construct a number of higher-level atomic operations.
-To data, however, conditional
+To date, however, conditional
storage operations have not been adopted
in HPC storage systems for a number of reasons. Notably,
the traditional POSIX API does not support conditional storage primitives, and
@@ -401,7 +401,7 @@ and has a C client library to link against for applications. ZooKeeper
supports reliability through redundant servers
and stores data to disk. It is used by major organizations such as
Yahoo!, Rackspace, and Zynga~\cite{zookeeper-users}.
-ZooKeeper itself does have not provide a native lock mechanism,
+ZooKeeper itself does not provide a native lock mechanism,
but it does offer a set of primitives which can be used to construct a lock.
The Apache ZooKeeper suite publishes a recipe/protocol for how to perform
locks in ZooKeeper~\cite{zookeeper-lock}. We implemented this locking recipe
@@ -419,7 +419,7 @@ applied. If there is no contention, then this loop produces one iteration per u
We did not hold the total number of operations in each experiment at
a fixed value. Instead, we varied the number of operations performed
in order to measure at least 60 seconds of sustained performance in all
-test cases. Each test case was repeated 5 times.
+test cases. Each experiment was repeated 5 times.
\subsection{Results}
@@ -511,7 +511,9 @@ outperforms the lock-based approach by a factor of 17.
\begin{figure}[!t]
\centering
\includegraphics[width=3in]{conflicts}
-\caption{Maximum consecutive conditional write failures per block with 32 servers, 32 clients, and random updates to 512 blocks.}
+\caption{Maximum consecutive conditional write failures per block with 32
+ servers, 32 clients, and random updates to 512 blocks.
+Color indicates client number.}
\label{fig:consec-conflicts}
\vspace{-.1in}
\end{figure}
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