Azure function v2 was not running (blobTrigger + javascript), without clear logging

#### Investigative information

Please provide the following:

- Timestamp: 2019-01-18T09:42:37.613
- Function App version (1.0 or 2.0): 2.0
- Function App name: processApk
- Function name(s) (as appropriate):
- Invocation ID: 2d5b974c-6279-411c-b137-a22f46b9ce97
- Region: East asia

Log:
2019-01-18T09:42:37.613 [Information] Executing 'Functions.processApk' (Reason='New blob detected: apks/nimble.apk', Id=2d5b974c-6279-411c-b137-a22f46b9ce97)

2019-01-18T09:43:32.844 [Error] Executed 'Functions.processApk' (Failed, Id=2d5b974c-6279-411c-b137-a22f46b9ce97) Exception of type 'System.OutOfMemoryException' was thrown.

#### Repro steps

Provide the steps required to reproduce the problem:

1. Upload a file to blob storage to trigger azure function

#### Expected behavior

1. The function should be triggered.

#### Actual behavior

Seems the function was starting but most of time won't show error msg, and no error log in app insight.

#### Known workarounds

Probably related to file size, if I upload a small file, everything seems to be working fine.

#### Related information

Provide any related information

* Programming language: javascript