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From: Tanveer Ahmad - EWI <T.Ahmad@tudelft.nl>
To: "user@arrow.apache.org" <user@arrow.apache.org>, "emkornfield@gmail.com"
	<emkornfield@gmail.com>
Subject: Re: Running plasma_store_server (in background) on each Spark worker
 node
Thread-Topic: Running plasma_store_server (in background) on each Spark worker
 node
Thread-Index: AQHWP3g/edoZJ/gybk6Bw6c6GFzx9qjScoeygAHZq4CAAIrn3g==
Date: Fri, 12 Jun 2020 11:19:31 +0000
Message-ID: <5a0457945f0d43de87eeb221cc005cb2@tudelft.nl>
References: <7af09b58d9904e6a8d610c29bcd5d54c@tudelft.nl>
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Hi Micah,


Thank you so much.

I am able to run Plasma in Spark cluster through map() methods on each work=
er nodes.


Regards,
Tanveer Ahmad

________________________________
From: Micah Kornfield <emkornfield@gmail.com>
Sent: Friday, June 12, 2020 7:00:03 AM
To: user@arrow.apache.org
Subject: Re: Running plasma_store_server (in background) on each Spark work=
er node

Hi Tanveer,
How to ensure the server is running probably depends on your cluster manage=
ment system (I'm not familiar with Slurm).  But if you only have 6 machines=
, you could probably SSH into each of them and start the process by hand.

Ray's cluster management [1] might be another place to look for examples (I=
 believe Ray spawns a plasma server on each cluster node).

Generally, the scope of Arrow doesn't include cluster management, so there =
might not be too much in the way of responses on this list.

Hope this helps.

Micah

[1] https://docs.ray.io/en/master/autoscaling.html<https://urldefense.proof=
point.com/v2/url?u=3Dhttps-3A__docs.ray.io_en_master_autoscaling.html&d=3DD=
wMFaQ&c=3DXYzUhXBD2cD-CornpT4QE19xOJBbRy-TBPLK0X9U2o8&r=3D0FbbJetCCSYzJEnED=
CQ1rNv76vTL6SUFCukKhvNosPs&m=3DTbfzlwztco4XkkK1m5w8G5Hg0Ol1Wmtub1btBAlExpA&=
s=3Du1tr70B5H5MgdeY7gGYdcw7Fr1KzkZZ0Ig7eqKbNFSQ&e=3D>

On Wed, Jun 10, 2020 at 3:48 PM Tanveer Ahmad - EWI <T.Ahmad@tudelft.nl<mai=
lto:T.Ahmad@tudelft.nl>> wrote:

Hi Neal,


Yes, my question is: How can I run Plasma Store in each worker node on Spar=
k cluster.

Suppose my cluster consist of 6 nodes (1 master plus 5 workers), I want to =
run Plasma Store on all 5 worker nodes. Thanks.


Regards,
Tanveer Ahmad
________________________________
From: Neal Richardson <neal.p.richardson@gmail.com<mailto:neal.p.richardson=
@gmail.com>>
Sent: Thursday, June 11, 2020 12:40:47 AM
To: user@arrow.apache.org<mailto:user@arrow.apache.org>
Subject: Re: Running plasma_store_server (in background) on each Spark work=
er node

Hi Tanveer,
Do you have any specific questions, or have you encountered trouble with yo=
ur setup?

Neal

On Wed, Jun 10, 2020 at 2:23 PM Tanveer Ahmad - EWI <T.Ahmad@tudelft.nl<mai=
lto:T.Ahmad@tudelft.nl>> wrote:

Hi all,

I want to run an external command (plasma_store_server -m 3000000000 -s /tm=
p/store0 &) in the background on each worker node of my Spark cluster<https=
://urldefense.proofpoint.com/v2/url?u=3Dhttps-3A__userinfo.surfsara.nl_syst=
ems_cartesius_software_spark&d=3DDwMFaQ&c=3DXYzUhXBD2cD-CornpT4QE19xOJBbRy-=
TBPLK0X9U2o8&r=3D0FbbJetCCSYzJEnEDCQ1rNv76vTL6SUFCukKhvNosPs&m=3DOTFkDBpK8W=
z6I3ICsdIVeAGOElHKBdYn32SJXTiW--Y&s=3DTCwFQ8RNAB50SqrdEDQlggcrojrUYiabQx4sd=
fq980A&e=3D>. So that that external process should be running during the wh=
ole Spark job.

The plasma_store_server process is used for storing and retrieving Apache A=
rrow data in Apache Spark.

I am using PySpark for Spark programming and SLURM for Spark cluster<https:=
//urldefense.proofpoint.com/v2/url?u=3Dhttps-3A__userinfo.surfsara.nl_syste=
ms_cartesius_software_spark&d=3DDwMFaQ&c=3DXYzUhXBD2cD-CornpT4QE19xOJBbRy-T=
BPLK0X9U2o8&r=3D0FbbJetCCSYzJEnEDCQ1rNv76vTL6SUFCukKhvNosPs&m=3DOTFkDBpK8Wz=
6I3ICsdIVeAGOElHKBdYn32SJXTiW--Y&s=3DTCwFQ8RNAB50SqrdEDQlggcrojrUYiabQx4sdf=
q980A&e=3D> creation.

Any help will be highly appreciated!

Regards,

Tanveer Ahmad


--_000_5a0457945f0d43de87eeb221cc005cb2tudelftnl_
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<html>
<head>
<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Dus-ascii"=
>
</head>
<body>
<style type=3D"text/css" style=3D"display:none;"><!-- P {margin-top:0;margi=
n-bottom:0;} --></style>
<div id=3D"divtagdefaultwrapper" style=3D"font-size:11pt;color:#000000;font=
-family:Georgia,serif;" dir=3D"ltr">
<p><span style=3D"font-size: 9pt;">Hi Micah,</span></p>
<p><br>
</p>
<p><span style=3D"font-size: 9pt;">Thank you so much. <br>
</span></p>
<p><span style=3D"font-size: 9pt;">I am able to run Plasma in Spark cluster=
 through map() methods on each worker nodes.</span><br>
</p>
<p><br>
</p>
<div id=3D"Signature"><span style=3D"font-size: 9pt;"></span>
<div id=3D"divtagdefaultwrapper" dir=3D"ltr" style=3D"font-size: 11pt; colo=
r: rgb(0, 0, 0); font-family: Georgia, serif, &quot;EmojiFont&quot;, &quot;=
Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;, NotoColorEmoji, &quot;=
Segoe UI Symbol&quot;, &quot;Android Emoji&quot;, EmojiSymbols;">
<span style=3D"font-size: 9pt;"></span>
<div class=3D"BodyFragment"><font size=3D"2"><span style=3D"font-size:10pt"=
><span style=3D"font-size: 9pt;"></span>
<div class=3D"PlainText"><span style=3D"font-size:9pt">Regards,</span><br>
<span style=3D"font-size: 9pt;"></span><span style=3D"font-size:9pt">Tanvee=
r Ahmad</span><br>
<br>
<span style=3D"font-size:9pt"></span></div>
</span></font></div>
</div>
</div>
</div>
<hr style=3D"display:inline-block;width:98%" tabindex=3D"-1">
<div id=3D"divRplyFwdMsg" dir=3D"ltr"><font face=3D"Calibri, sans-serif" st=
yle=3D"font-size:11pt" color=3D"#000000"><b>From:</b> Micah Kornfield &lt;e=
mkornfield@gmail.com&gt;<br>
<b>Sent:</b> Friday, June 12, 2020 7:00:03 AM<br>
<b>To:</b> user@arrow.apache.org<br>
<b>Subject:</b> Re: Running plasma_store_server (in background) on each Spa=
rk worker node</font>
<div>&nbsp;</div>
</div>
<div>
<div dir=3D"ltr">Hi Tanveer,
<div>How to ensure the server is running probably depends on your cluster m=
anagement system (I'm not familiar with Slurm).&nbsp; But if you only have =
6 machines, you could probably SSH into each of them and start the process =
by hand.</div>
<div><br>
</div>
<div>Ray's cluster management [1] might be another place to look for exampl=
es (I believe Ray spawns a plasma server on each cluster node).</div>
<div><br>
</div>
<div>Generally, the scope of Arrow doesn't include cluster management, so t=
here might not be too much in the way of responses on this list.</div>
<div><br>
</div>
<div>Hope this helps.</div>
<div><br>
</div>
<div>Micah</div>
<div><br>
</div>
<div>[1]&nbsp;<a href=3D"https://urldefense.proofpoint.com/v2/url?u=3Dhttps=
-3A__docs.ray.io_en_master_autoscaling.html&amp;d=3DDwMFaQ&amp;c=3DXYzUhXBD=
2cD-CornpT4QE19xOJBbRy-TBPLK0X9U2o8&amp;r=3D0FbbJetCCSYzJEnEDCQ1rNv76vTL6SU=
FCukKhvNosPs&amp;m=3DTbfzlwztco4XkkK1m5w8G5Hg0Ol1Wmtub1btBAlExpA&amp;s=3Du1=
tr70B5H5MgdeY7gGYdcw7Fr1KzkZZ0Ig7eqKbNFSQ&amp;e=3D">https://docs.ray.io/en/=
master/autoscaling.html</a></div>
</div>
<br>
<div class=3D"gmail_quote">
<div dir=3D"ltr" class=3D"gmail_attr">On Wed, Jun 10, 2020 at 3:48 PM Tanve=
er Ahmad - EWI &lt;<a href=3D"mailto:T.Ahmad@tudelft.nl">T.Ahmad@tudelft.nl=
</a>&gt; wrote:<br>
</div>
<blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-=
left:1px solid rgb(204,204,204);padding-left:1ex">
<div>
<div id=3D"gmail-m_-8723499736062874649divtagdefaultwrapper" style=3D"font-=
size:11pt;color:rgb(0,0,0);font-family:Georgia,serif" dir=3D"ltr">
<p><span style=3D"font-size:9pt">Hi Neal,</span></p>
<p><br>
</p>
<p><span style=3D"font-size:9pt">Yes, my question is: How can I run Plasma =
Store in each worker node on Spark cluster.</span></p>
<p><span style=3D"font-size:9pt">Suppose my cluster consist of 6 nodes (1 m=
aster plus 5 workers</span><span style=3D"font-size:9pt">), I want to run P=
lasma Store on all 5 worker nodes. Thanks.</span><br>
</p>
<p><br>
</p>
<div id=3D"gmail-m_-8723499736062874649Signature"><span style=3D"font-size:=
9pt"></span>
<div id=3D"gmail-m_-8723499736062874649divtagdefaultwrapper" dir=3D"ltr" st=
yle=3D"font-size:11pt;color:rgb(0,0,0);font-family:Georgia,serif,EmojiFont,=
&quot;Apple Color Emoji&quot;,&quot;Segoe UI Emoji&quot;,NotoColorEmoji,&qu=
ot;Segoe UI Symbol&quot;,&quot;Android Emoji&quot;,EmojiSymbols">
<span style=3D"font-size:9pt"></span>
<div><font size=3D"2"><span style=3D"font-size:10pt"><span style=3D"font-si=
ze:9pt"></span>
<div><span style=3D"font-size:9pt">Regards,</span><br>
<span style=3D"font-size:9pt"></span><span style=3D"font-size:9pt">Tanveer =
Ahmad</span><span style=3D"font-size:9pt"></span></div>
</span></font></div>
</div>
</div>
</div>
<hr style=3D"display:inline-block;width:98%">
<div id=3D"gmail-m_-8723499736062874649divRplyFwdMsg" dir=3D"ltr"><font fac=
e=3D"Calibri, sans-serif" style=3D"font-size:11pt" color=3D"#000000"><b>Fro=
m:</b> Neal Richardson &lt;<a href=3D"mailto:neal.p.richardson@gmail.com" t=
arget=3D"_blank">neal.p.richardson@gmail.com</a>&gt;<br>
<b>Sent:</b> Thursday, June 11, 2020 12:40:47 AM<br>
<b>To:</b> <a href=3D"mailto:user@arrow.apache.org" target=3D"_blank">user@=
arrow.apache.org</a><br>
<b>Subject:</b> Re: Running plasma_store_server (in background) on each Spa=
rk worker node</font>
<div>&nbsp;</div>
</div>
<div>
<div dir=3D"ltr">
<div>Hi Tanveer,</div>
<div>Do you have any specific questions, or have you encountered trouble wi=
th your setup?</div>
<div><br>
</div>
<div>Neal<br>
</div>
</div>
<br>
<div class=3D"gmail_quote">
<div dir=3D"ltr" class=3D"gmail_attr">On Wed, Jun 10, 2020 at 2:23 PM Tanve=
er Ahmad - EWI &lt;<a href=3D"mailto:T.Ahmad@tudelft.nl" target=3D"_blank">=
T.Ahmad@tudelft.nl</a>&gt; wrote:<br>
</div>
<blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-=
left:1px solid rgb(204,204,204);padding-left:1ex">
<div dir=3D"ltr">
<div id=3D"gmail-m_-8723499736062874649gmail-m_-8558481009012274471divtagde=
faultwrapper" dir=3D"ltr" style=3D"font-size:11pt;color:rgb(0,0,0);font-fam=
ily:Georgia,serif,EmojiFont,&quot;Apple Color Emoji&quot;,&quot;Segoe UI Em=
oji&quot;,NotoColorEmoji,&quot;Segoe UI Symbol&quot;,&quot;Android Emoji&qu=
ot;,EmojiSymbols">
<p></p>
<p style=3D"margin:0px 0px 1em;padding:0px;border:0px none;font-style:norma=
l;font-weight:400;line-height:inherit;font-family:Arial,&quot;Helvetica Neu=
e&quot;,Helvetica,sans-serif;font-size:15px;vertical-align:baseline;clear:b=
oth;color:rgb(36,39,41);letter-spacing:normal;text-align:left;text-indent:0=
px;text-transform:none;white-space:normal;word-spacing:0px;background-color=
:rgb(255,255,255)">
<span style=3D"font-family:Georgia,serif;font-size:9pt">Hi all,</span></p>
<p style=3D"margin:0px 0px 1em;padding:0px;border:0px none;font-style:norma=
l;font-weight:400;line-height:inherit;font-family:Arial,&quot;Helvetica Neu=
e&quot;,Helvetica,sans-serif;font-size:15px;vertical-align:baseline;clear:b=
oth;color:rgb(36,39,41);letter-spacing:normal;text-align:left;text-indent:0=
px;text-transform:none;white-space:normal;word-spacing:0px;background-color=
:rgb(255,255,255)">
<span style=3D"font-family:Georgia,serif;font-size:9pt">I want to run an ex=
ternal command (plasma_store_server -m 3000000000 -s /tmp/store0 &amp;) in =
the background on each worker node of my</span><span style=3D"font-family:G=
eorgia,serif;font-size:9pt">&nbsp;</span><a href=3D"https://urldefense.proo=
fpoint.com/v2/url?u=3Dhttps-3A__userinfo.surfsara.nl_systems_cartesius_soft=
ware_spark&amp;d=3DDwMFaQ&amp;c=3DXYzUhXBD2cD-CornpT4QE19xOJBbRy-TBPLK0X9U2=
o8&amp;r=3D0FbbJetCCSYzJEnEDCQ1rNv76vTL6SUFCukKhvNosPs&amp;m=3DOTFkDBpK8Wz6=
I3ICsdIVeAGOElHKBdYn32SJXTiW--Y&amp;s=3DTCwFQ8RNAB50SqrdEDQlggcrojrUYiabQx4=
sdfq980A&amp;e=3D" rel=3D"nofollow noreferrer" style=3D"margin:0px;padding:=
0px;border:0px none;font-style:inherit;font-variant:inherit;font-weight:inh=
erit;line-height:inherit;font-family:inherit;font-size:15px;vertical-align:=
baseline;text-decoration:underline" target=3D"_blank"><span style=3D"font-f=
amily:Georgia,serif;font-size:9pt">Spark
 cluster</span></a><span style=3D"font-family:Georgia,serif;font-size:9pt">=
. So that that external process should be running during the whole Spark jo=
b.</span></p>
<p style=3D"margin:0px 0px 1em;padding:0px;border:0px none;font-style:norma=
l;font-weight:400;line-height:inherit;font-family:Arial,&quot;Helvetica Neu=
e&quot;,Helvetica,sans-serif;font-size:15px;vertical-align:baseline;clear:b=
oth;color:rgb(36,39,41);letter-spacing:normal;text-align:left;text-indent:0=
px;text-transform:none;white-space:normal;word-spacing:0px;background-color=
:rgb(255,255,255)">
<span style=3D"font-family:Georgia,serif;font-size:9pt">The plasma_store_se=
rver process is used for storing and retrieving Apache Arrow data in Apache=
 Spark.</span></p>
<p style=3D"margin:0px 0px 1em;padding:0px;border:0px none;font-style:norma=
l;font-weight:400;line-height:inherit;font-family:Arial,&quot;Helvetica Neu=
e&quot;,Helvetica,sans-serif;font-size:15px;vertical-align:baseline;clear:b=
oth;color:rgb(36,39,41);letter-spacing:normal;text-align:left;text-indent:0=
px;text-transform:none;white-space:normal;word-spacing:0px;background-color=
:rgb(255,255,255)">
<span style=3D"font-family:Georgia,serif;font-size:9pt">I am using PySpark =
for Spark programming and SLURM for</span><span style=3D"font-family:Georgi=
a,serif;font-size:9pt">&nbsp;</span><a href=3D"https://urldefense.proofpoin=
t.com/v2/url?u=3Dhttps-3A__userinfo.surfsara.nl_systems_cartesius_software_=
spark&amp;d=3DDwMFaQ&amp;c=3DXYzUhXBD2cD-CornpT4QE19xOJBbRy-TBPLK0X9U2o8&am=
p;r=3D0FbbJetCCSYzJEnEDCQ1rNv76vTL6SUFCukKhvNosPs&amp;m=3DOTFkDBpK8Wz6I3ICs=
dIVeAGOElHKBdYn32SJXTiW--Y&amp;s=3DTCwFQ8RNAB50SqrdEDQlggcrojrUYiabQx4sdfq9=
80A&amp;e=3D" rel=3D"nofollow noreferrer" style=3D"margin:0px;padding:0px;b=
order:0px none;font-style:inherit;font-variant:inherit;font-weight:inherit;=
line-height:inherit;font-family:inherit;font-size:15px;vertical-align:basel=
ine;text-decoration:underline" target=3D"_blank"><span style=3D"font-family=
:Georgia,serif;font-size:9pt">Spark
 cluster</span></a><span style=3D"font-family:Georgia,serif;font-size:9pt">=
&nbsp;</span><span style=3D"font-family:Georgia,serif;font-size:9pt">creati=
on.</span></p>
<p style=3D"margin:0px 0px 1em;padding:0px;border:0px none;font-style:norma=
l;font-weight:400;line-height:inherit;font-family:Arial,&quot;Helvetica Neu=
e&quot;,Helvetica,sans-serif;font-size:15px;vertical-align:baseline;clear:b=
oth;color:rgb(36,39,41);letter-spacing:normal;text-align:left;text-indent:0=
px;text-transform:none;white-space:normal;word-spacing:0px;background-color=
:rgb(255,255,255)">
<span style=3D"font-family:Georgia,serif;font-size:9pt">Any help will be hi=
ghly appreciated!</span></p>
<span style=3D"font-size:9pt;font-family:Georgia,serif">Regards,</span><br>
<p></p>
<div id=3D"gmail-m_-8723499736062874649gmail-m_-8558481009012274471Signatur=
e">
<div id=3D"gmail-m_-8723499736062874649gmail-m_-8558481009012274471divtagde=
faultwrapper" dir=3D"ltr" style=3D"font-size:11pt;color:rgb(0,0,0);font-fam=
ily:Georgia,serif,EmojiFont,&quot;Apple Color Emoji&quot;,&quot;Segoe UI Em=
oji&quot;,NotoColorEmoji,&quot;Segoe UI Symbol&quot;,&quot;Android Emoji&qu=
ot;,EmojiSymbols">
<div><font size=3D"2"><span style=3D"font-size:10pt">
<div><span style=3D"font-family:Georgia,serif;font-size:9pt"></span><span s=
tyle=3D"font-size:9pt;font-family:Georgia,serif">Tanveer Ahmad</span><br>
<span style=3D"font-family:Georgia,serif;font-size:9pt"></span><br>
<span style=3D"font-size:9pt"></span></div>
</span></font></div>
</div>
</div>
</div>
</div>
</blockquote>
</div>
</div>
</div>
</blockquote>
</div>
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