[Bugs] [Bug 1708116] New: geo-rep: Sync hangs with tarssh as sync-engine

bugzilla at redhat.com bugzilla at redhat.com
Thu May 9 07:39:25 UTC 2019


https://bugzilla.redhat.com/show_bug.cgi?id=1708116

            Bug ID: 1708116
           Summary: geo-rep: Sync hangs with tarssh as sync-engine
           Product: Red Hat Gluster Storage
           Version: rhgs-3.5
            Status: NEW
         Component: geo-replication
          Assignee: sunkumar at redhat.com
          Reporter: khiremat at redhat.com
        QA Contact: rhinduja at redhat.com
                CC: avishwan at redhat.com, bugs at gluster.org,
                    csaba at redhat.com, khiremat at redhat.com,
                    rhs-bugs at redhat.com, sankarshan at redhat.com,
                    storage-qa-internal at redhat.com
        Depends On: 1707728
  Target Milestone: ---
    Classification: Red Hat



+++ This bug was initially created as a clone of Bug #1707728 +++

Description of problem:
When the heavy workload as below on master, the sync is hung with sync engine
tarssh. It's working fine with rsync as sync engine.

for i in {1..10000}
do
   echo "sample data" > /<mastermnt>/file$i
   mv -f /<mastermnt>/file$i /<mastermnt/file
done

Version-Release number of selected component (if applicable):
mainline

How reproducible:
Most of the times

Steps to Reproduce:
1. Setup geo-rep with master 1*3 and slave 1*3
2. touch /<mastermnt>
3. Start geo-rep and wait till the status is changelog crawl
4. Configure sync-jobs to 1
   gluster vol geo-rep <master> <slavehost>::<slavevol> config sync-jobs 1
5. Configure sync engine to tarssh
   gluster vol geo-rep <master> <slavehost>::<slavevol> config sync-method
tarssh
6. Stop the geo-rep
7. Do the I/O on mastermnt as mentioned
   for i in {1..10000}
   do
      echo "sample data" > /<mastermnt>/file$i
      mv -f /<mastermnt>/file$i /<mastermnt/file
   done
8. Start the geo-rep

Actual results:
Sync hungs

Expected results:
Sync should not hung.

Additional info:

--- Additional comment from Worker Ant on 2019-05-08 08:58:27 UTC ---

REVIEW: https://review.gluster.org/22684 (geo-rep: Fix sync hang with tarssh)
posted (#1) for review on master by Kotresh HR


Referenced Bugs:

https://bugzilla.redhat.com/show_bug.cgi?id=1707728
[Bug 1707728] geo-rep: Sync hangs with tarssh as sync-engine
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