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Change checkpoint_data and restore_connection_on_error to subtransaction
checkpoint_data and restore_connection_on_error used to commit() and
rollback() the db connection. This causes additional I/O and load.
Changed them to use 'SAVEPOINT name' and 'ROLLBACK TO name' to get a
faster method for handling errors within a tranaction.
One thing to note is that postgresql (unlike SQL std) doesn't
overwrite an older savepoint with he same name. It keeps all
savepoints but only rolls back to the newest one with a given name.
This could be a resource issue. I left a commented out release
statement in case somebody runs into an issue due to too many
savepoints. I expect it to slow down the import but....
| author | John Rouillard <rouilj@ieee.org> |
|---|---|
| date | Sat, 29 Jan 2022 11:29:36 -0500 |
| parents | 53e9694788f5 |
| children |
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<tal:block metal:use-macro="templates/page/macros/icing"> <title metal:fill-slot="head_title" i18n:translate="">File display - <span i18n:name="tracker" tal:replace="config/TRACKER_NAME" /></title> <span metal:fill-slot="body_title" tal:omit-tag="python:1" i18n:translate="">File display</span> <td class="content" metal:fill-slot="content"> <p tal:condition="python:not (context.is_view_ok() or request.user.hasRole('Anonymous'))" i18n:translate=""> You are not allowed to view this page.</p> <p tal:condition="python:not context.is_view_ok() and request.user.hasRole('Anonymous')" i18n:translate=""> Please login with your username and password.</p> <form method="POST" onSubmit="return submit_once()" enctype="multipart/form-data" tal:condition="context/is_view_ok" tal:attributes="action context/designator"> <table class="form"> <tr> <th i18n:translate="">Name</th> <td tal:content="structure context/name/field"></td> </tr> <tr> <th i18n:translate="">Description</th> <td tal:content="structure context/description/field"></td> </tr> <tr> <th i18n:translate="">Content Type</th> <td tal:content="structure context/type/field"/> <td style="border: none" tal:condition="python: context.is_edit_ok()">Please note that for security reasons, it's not permitted to set content type to <i>text/html</i>.</td> </tr> <tr tal:condition="python:context.is_edit_ok()"> <td> <input type="hidden" name="@template" value="item"> <input type="hidden" name="@required" value="name,type"> <input type="hidden" name="@multilink" tal:condition="python:'@multilink' in request.form" tal:attributes="value request/form/@multilink/value"> </td> <td tal:content="structure context/submit">submit button here</td> </tr> </table> </form> <!--<p tal:condition="python:utils.sb_is_spam(context)" class="error-message"> File has been classified as spam.</p>--> <a tal:condition="python:context.id and context.content.is_view_ok()" tal:attributes="href string:file${context/id}/${context/name}" i18n:translate="">download</a> <!--<p tal:condition="python:context.id and not context.content.is_view_ok()"> Files classified as spam are not available for download by unathorized users. If you think the file has been misclassified, please login and click on the button for reclassification. </p>--> <!-- <form method="POST" onSubmit="return submit_once()" enctype="multipart/form-data" tal:attributes="action context/designator" tal:condition="python:request.user.hasPermission('SB: May Classify')"> <input name="@csrf" type="hidden" tal:attributes="value python:utils.anti_csrf_nonce()"> <input type="hidden" name="@action" value="spambayes_classify"> <input type="submit" name="trainspam" value="Mark as SPAM" i18n:attributes="value"> <input type="submit" name="trainham" value="Mark as HAM (not SPAM)" i18n:attributes="value"> </form>--> <tal:block tal:condition="context/id" tal:replace="structure context/history" /> </td> </tal:block>
