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I would think {write_concurrency, true} is best for your case.<br>
<br>
read_concurrency makes read ops even cheaper but makes<br>
switching between reading and writing more expensive. It will also<br>
increase the constant memory footprint of the table.<br>
<br>
/Sverker, Erlang/OTP<br>
<br>
<div class="moz-cite-prefix">On 06/25/2015 04:35 PM, Luis Rascão
wrote:<br>
</div>
<blockquote
cite="mid:CAGFUVW8GVoyU+Mv-AfpnkiRW0153nSdgb=G6LMc_L6bePc8CYA@mail.gmail.com"
type="cite">
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<div>Erlang's Factory 2014 video -- Eliminating Single Process
Bottlenecks with ETS Concurrency Patterns might help you </div>
<div><br>
</div>
<div><a moz-do-not-send="true"
href="https://youtu.be/XrkY9WRY8p0">https://youtu.be/XrkY9WRY8p0</a></div>
</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Thu, Jun 25, 2015 at 10:53 AM,
Avinash Dhumane <span dir="ltr"><<a moz-do-not-send="true"
href="mailto:nistrigunya@gmail.com" target="_blank">nistrigunya@gmail.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr"><span
style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;display:inline!important;float:none;background-color:rgb(255,255,255)">I
have an ETS table, where each object (in the table) is
owned by a separate process; i.e. there is one-to-one
relation between the object and its owner process. The
object holds an externalized state which the process
uses in the event of crash recovery. </span>
<div
style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255)"><br>
</div>
<div
style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255)">What
options may I use, while instantiating the ETS table, in
order to allow all these processes to concurrently
access (read and write) their respective state? </div>
<div
style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255)"><br>
</div>
<div
style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255)">Would
setting {write_concurrency, true} and {read_concurrency,
true} suffice? </div>
<div
style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255)"><br>
</div>
<div
style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255)">Thanks<span
class="HOEnZb"><font color="#888888"><br>
</font></span></div>
<span class="HOEnZb"><font color="#888888">
<div
style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255)">Avinash<br>
</div>
</font></span></div>
<br>
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