E10s/Status/May9: Difference between revisions
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[[File:Yellow-sm.jpg|thumbnail|left]]<br> | [[File:Yellow-sm.jpg|thumbnail|left]]<br> | ||
= | =e10s Update: '''May 9'''= | ||
==Executive Summary== | ==Executive Summary== | ||
* ''' | * '''e10s-multi was enabled as of Firefox 54 Beta 1 with 4 content processes'''. Currently [https://sql.telemetry.mozilla.org/queries/4400/source#8797 21.15% of the 54 Beta population has e10s-Multi] enabled. The project is designated as 'At Risk' until we have met our [https://wiki.mozilla.org/Electrolysis/Multi_Release_Criteria release criteria]. See below for more information. | ||
* '''As of Firefox Release 53 (Early May) [https://sql.telemetry.mozilla.org/queries/972#1659 53.76% of the total release population have Single-Process | * '''As of Firefox Release 53 (Early May) [https://sql.telemetry.mozilla.org/queries/972#1659 53.76% of the total release population have Single-Process e10s]''' (as compared to 52.82 in Firefox 42 in early April). Single process e10s is active for non add-on users, and add-on that are web extensions or SDK add-ons actively marked compatible by the author. | ||
==Release Criteria== | ==Release Criteria== | ||
#{{mok}} [https://sql.telemetry.mozilla.org/queries/4355#8687 Stability]. We have a tight correlation between single process and multi-process crashes which is good. We are concerned that the WebExtensions crashes in the content crash rate is higher than Non Web-Extensions and are figuring that out. | #{{mok}} [https://sql.telemetry.mozilla.org/queries/4355#8687 Stability]. We have a tight correlation between single process and multi-process crashes which is good. We are concerned that the WebExtensions crashes in the content crash rate is higher than Non Web-Extensions and are figuring that out. | ||
#{{mrisk}} [https://sql.telemetry.mozilla.org/queries/4400/source#8797 % of population shows us we'd like to increase the number of people we roll | #{{mrisk}} [https://sql.telemetry.mozilla.org/queries/4400/source#8797 % of population shows us we'd like to increase the number of people we roll e10s-mutli out to]. | ||
#{{mrisk}}[https://treeherder.mozilla.org/perf.html#/compare?originalProject=try&originalRevision=f2171cf2d000&newProject=try&newRevision=a038fa2d3c91&framework=1&showOnlyImportant=0 Performance numbers on Talos] shows us a regression in responsiveness for TP05 which is being addressed. | #{{mrisk}}[https://treeherder.mozilla.org/perf.html#/compare?originalProject=try&originalRevision=f2171cf2d000&newProject=try&newRevision=a038fa2d3c91&framework=1&showOnlyImportant=0 Performance numbers on Talos] shows us a regression in responsiveness for TP05 which is being addressed. | ||
#{{mprog}} Pending items related to release criteria data includes analysis on memory usage and Performance Telemetry numbers are forthcoming within the next couple of business days. | #{{mprog}} Pending items related to release criteria data includes analysis on memory usage and Performance Telemetry numbers are forthcoming within the next couple of business days. | ||
==Upcoming Decisions and Milestones== | ==Upcoming Decisions and Milestones== | ||
* [https://sql.telemetry.mozilla.org/queries/4400/source#8797 The % of Beta Users with | * [https://sql.telemetry.mozilla.org/queries/4400/source#8797 The % of Beta Users with e10s-Multi activated] in shows us that our initial experiment design doesn't activate E10s-Multi for as many users as we would like. 10% of the population is in the control group and 90% is in test, however, only 46% have e10s active and 21% which is has Multi enabled. We are currently activating e10s-Multi for users who either do not have add-ons installed or who are using WebExtensions only. Product's sentiment is that this approach is too conservative and is evaluating [https://wiki.mozilla.org/Firefox/AddOns/Status/current#Multiplecontent_Processes risk] vs. reward for expanding the experiment to include MPC=True Add-Ons for e10s Multi. This decision will be made by May 12th. | ||
* We should have complete data for our release criteria by EOD May 10 | * We should have complete data for our release criteria by EOD May 10 | ||
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*{{bug|1363240}} Content process limit specified by dom.ipc.processCount is not respected in some circumstances | *{{bug|1363240}} Content process limit specified by dom.ipc.processCount is not respected in some circumstances | ||
== | ==e10s Single-Process + A11y Support == | ||
* {{mrisk}} The plan is to ship A11y for Windows for Firefox 55; this project is designated at risk until all MVP requirements are complete. | * {{mrisk}} The plan is to ship A11y for Windows for Firefox 55; this project is designated at risk until all MVP requirements are complete. | ||
Latest revision as of 21:37, 9 May 2017
e10s Update: May 9
Executive Summary
- e10s-multi was enabled as of Firefox 54 Beta 1 with 4 content processes. Currently 21.15% of the 54 Beta population has e10s-Multi enabled. The project is designated as 'At Risk' until we have met our release criteria. See below for more information.
- As of Firefox Release 53 (Early May) 53.76% of the total release population have Single-Process e10s (as compared to 52.82 in Firefox 42 in early April). Single process e10s is active for non add-on users, and add-on that are web extensions or SDK add-ons actively marked compatible by the author.
Release Criteria
- [ON TRACK] Stability. We have a tight correlation between single process and multi-process crashes which is good. We are concerned that the WebExtensions crashes in the content crash rate is higher than Non Web-Extensions and are figuring that out.
- [AT RISK] % of population shows us we'd like to increase the number of people we roll e10s-mutli out to.
- [AT RISK]Performance numbers on Talos shows us a regression in responsiveness for TP05 which is being addressed.
- [IN PROGRESS] Pending items related to release criteria data includes analysis on memory usage and Performance Telemetry numbers are forthcoming within the next couple of business days.
Upcoming Decisions and Milestones
- The % of Beta Users with e10s-Multi activated in shows us that our initial experiment design doesn't activate E10s-Multi for as many users as we would like. 10% of the population is in the control group and 90% is in test, however, only 46% have e10s active and 21% which is has Multi enabled. We are currently activating e10s-Multi for users who either do not have add-ons installed or who are using WebExtensions only. Product's sentiment is that this approach is too conservative and is evaluating risk vs. reward for expanding the experiment to include MPC=True Add-Ons for e10s Multi. This decision will be made by May 12th.
- We should have complete data for our release criteria by EOD May 10
- A go/no-go decision for doing an initial roll-out for Multi in Firefox 54 will happen no later than June 3rd.
Engineering Status + Schedule
- Engineering highlights include recently landed bug 1341008 Use the preallocated process manager by default which Preloads a content process in the background when the browser is idle and using that the next time we need one which will greatly improve load time.
- Top issues we are investigating include:
- bug 1336398 [e10s-multi] Talos tps page load times have grown increasingly erratic for 32-bit Win7 e10s compared to non-e10s
- bug 1363240 Content process limit specified by dom.ipc.processCount is not respected in some circumstances
e10s Single-Process + A11y Support
- [AT RISK] The plan is to ship A11y for Windows for Firefox 55; this project is designated at risk until all MVP requirements are complete.