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Resynth 2020-07-17 11:27:19 +00:00 committed by resynth1943
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docs/memory-profiles-and-leaks.md
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## Memory leaks ## Memory leaks
Riot usually emits slow behaviour just before it is about to crash. Getting a Element usually emits slow behaviour just before it is about to crash. Getting a
memory snapshot (below) just before that happens is ideal in figuring out what memory snapshot (below) just before that happens is ideal in figuring out what
is going wrong. is going wrong.
@ -14,14 +14,14 @@ this happens though so we can try and narrow down what might have gone wrong.
## Memory profiles/snapshots ## Memory profiles/snapshots
When investigating memory leaks/problems it's usually important to compare snapshots When investigating memory leaks/problems it's usually important to compare snapshots
from different points in the Riot session lifecycle. Most importantly, a snapshot from different points in the Element session lifecycle. Most importantly, a snapshot
to establish the baseline or "normal" memory usage is useful. Taking a snapshot to establish the baseline or "normal" memory usage is useful. Taking a snapshot
roughly 30-60 minutes after starting Riot is a good time to establish "normal" roughly 30-60 minutes after starting Element is a good time to establish "normal"
memory usage for the app - anything after that is at risk of hiding the memory leak memory usage for the app - anything after that is at risk of hiding the memory leak
and anything newer is still in the warmup stages of the app. and anything newer is still in the warmup stages of the app.
**Memory profiles can contain sensitive information.** If you are submitting a memory **Memory profiles can contain sensitive information.** If you are submitting a memory
profile to us for debugging purposes, please pick the appropriate Riot developer and profile to us for debugging purposes, please pick the appropriate Element developer and
send them over an encrypted private message. *Do not share your memory profile in send them over an encrypted private message. *Do not share your memory profile in
public channels or with people you do not trust.* public channels or with people you do not trust.*
@ -42,7 +42,7 @@ While the profile is in progress, the tab might be frozen or unresponsive.
1. Press CTRL+SHIFT+I (I as in eye). 1. Press CTRL+SHIFT+I (I as in eye).
2. Click the Memory tab. 2. Click the Memory tab.
3. Select "Heap Snapshot" and the riot.im VM instance (not the indexeddb one). 3. Select "Heap Snapshot" and the app.element.io VM instance (not the indexeddb one).
4. Click "Take Snapshot". 4. Click "Take Snapshot".
5. Wait a bit (coffee is a good option). 5. Wait a bit (coffee is a good option).
6. When the save button appears on the left side of the panel, click it to save the 6. When the save button appears on the left side of the panel, click it to save the