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From "Impala Public Jenkins (Code Review)" <>
Subject [Impala-ASF-CR] IMPALA-6027: Retry downloading toolchain components.
Date Wed, 11 Oct 2017 21:45:40 GMT
Impala Public Jenkins has submitted this change and it was merged. (

Change subject: IMPALA-6027: Retry downloading toolchain components.

IMPALA-6027: Retry downloading toolchain components.

We've seen intermittent 500 errors when downloading the toolchain from
S3 over the HTTPS URLs. As a first stab, this commit retries 3 times,
with some jitter.

I also changed the threadpool introduced previously to have a limit
of 4 threads, because that's sufficient to get the speed improvement.
The 500 errors have been observed both before and after the threadpool

For testing, I ran the straight-forward case directly. I introduced
a broken version string to observe that retries would happen on
any error from wget.

Change-Id: I7669c7d41240aa0eb43c30d5bf2bd5c01b66180b
Reviewed-by: Thomas Tauber-Marshall <>
Reviewed-by: Michael Brown <>
Tested-by: Impala Public Jenkins
M bin/
1 file changed, 15 insertions(+), 4 deletions(-)

  Thomas Tauber-Marshall: Looks good to me, but someone else must approve
  Michael Brown: Looks good to me, approved
  Impala Public Jenkins: Verified

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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: merged
Gerrit-Change-Id: I7669c7d41240aa0eb43c30d5bf2bd5c01b66180b
Gerrit-Change-Number: 8258
Gerrit-PatchSet: 3
Gerrit-Owner: Philip Zeyliger <>
Gerrit-Reviewer: Impala Public Jenkins
Gerrit-Reviewer: Michael Brown <>
Gerrit-Reviewer: Thomas Tauber-Marshall <>

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