Re: Autonomous Transaction (WIP) - Mailing list pgsql-hackers

From Rajeev rastogi
Subject Re: Autonomous Transaction (WIP)
Date
Msg-id BF2827DCCE55594C8D7A8F7FFD3AB7713DDE136A@SZXEML508-MBX.china.huawei.com
Whole thread Raw
In response to Autonomous Transaction (WIP)  (Rajeev rastogi <rajeev.rastogi@huawei.com>)
Responses Re: Autonomous Transaction (WIP)  (Alvaro Herrera <alvherre@2ndquadrant.com>)
List pgsql-hackers
<div class="WordSection1"><p class="MsoNormal">On <span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> 14
April2014 20:10</span>, Simon Riggs wrote:<p class="MsoNormal"> <p class="MsoNormal"><b><u>>>Autonomous
TransactionStorage:</u></b><p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-align:justify;text-justify:inter-ideograph">>>As
formain transaction, structure PGXACT is used to store main transactions, which are created in shared memory of size:<p
class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-align:justify;text-justify:inter-ideograph">
>>          (Number of process)*sizeof(struct PGXACT)<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-align:justify;text-justify:inter-ideograph">
>>Similarlya new structure will be defined to store autonomous transaction:<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-align:justify;text-justify:inter-ideograph">
>>          Struct PGAutonomousXACT<p class="MsoNormal"> <p class="MsoNormal">Oh…I had already added this patch
for2014-June CommitFest, thinking that everyone is busy with  work to wrap up 9.4.<p class="MsoNormal"> <p
class="MsoNormal">>I already proposed exactly this design two years ago and it was rejected at the PgCon hackers
meeting.<pclass="MsoNormal">> I have a better design worked out now and will likely be working on it for 9.5<p
class="MsoNormal"> <pclass="MsoNormal">Can we work together to take this feature to final goal.<p class="MsoNormal">May
beyou can go through my complete patch and see whatever part of the patch and related design can be re-used along with
yournew design.<p class="MsoNormal">Also if possible you can share your design (even rough is OK), I will see if I can
contributeto that in some-way.<i><span style="color:black"></span></i><p class="MsoNormal"><i><span
style="color:black"> </span></i><pclass="MsoNormal"><i><span style="color:black">Thanks and Regards,</span></i><p
class="MsoNormal"><i>KumarRajeev Rastogi<span style="color:black"> </span></i><p class="MsoNormal"> </div> 

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