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Zombie processes on Rsync between 2 N4F's

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oops741
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Joined: 09 Sep 2016 11:41
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Zombie processes on Rsync between 2 N4F's

#1

Post by oops741 » 08 Oct 2016 06:14

Trying to run RSYNC between 2 N4F boxes, on the client one I observe a slowly increasing number of zombie processes

Status|Processes
last pid: 7725; load averages: 0.65, 0.67, 0.58 up 0+02:42:00 15:04:35
792 processes: 1 running, 638 sleeping, 153 zombie



Mem: 323M Active, 461M Inact, 2662M Wired, 95M Buf, 4383M Free
ARC: 2048M Total, 214M MFU, 1765M MRU, 51M Anon, 11M Header, 7491K Other
Swap: 8192M Total, 8192M Free

PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND
5820 User 1 21 0 44556K 3728K select 1 0:10 1.76% rsync
7620 User 1 21 0 44556K 3728K select 1 0:01 1.07% rsync
5676 User 1 20 0 44556K 3716K select 0 0:13 0.49% rsync
5885 User 1 20 0 44556K 3724K select 1 0:05 0.49% rsync
6203 User 1 20 0 44556K 3724K select 1 0:02 0.39% rsync
6387 User 1 20 0 44556K 3724K select 1 0:01 0.39% rsync
5706 User 1 20 0 44556K 3728K select 1 0:12 0.29% rsync
5892 User 1 20 0 44556K 3720K select 1 0:06 0.29% rsync
6357 User 1 20 0 44556K 3728K select 0 0:01 0.29% rsync
5848 User 1 20 0 44556K 3724K select 0 0:10 0.20% rsync
5941 User 1 20 0 44556K 3716K select 0 0:05 0.20% rsync
2294 root 1 20 0 114M 21444K piperd 1 0:04 0.20% php-cgi
7641 User 1 20 0 44556K 3724K select 0 0:01 0.20% rsync
5403 User 1 20 0 44556K 3728K select 1 0:21 0.10% rsync
5611 User 1 20 0 44556K 3728K select 1 0:13 0.10% rsync
5669 User 1 20 0 44556K 3720K select 1 0:13 0.10% rsync
5993 User 1 20 0 44556K 3728K select 0 0:04 0.10% rsync
4969 User 1 20 0 44556K 3736K select 1 1:27 0.00% rsync
4976 User 1 20 0 44556K 3728K select 1 1:20 0.00% rsync
5070 User 1 20 0 44556K 3716K select 1 1:09 0.00% rsync
5077 User 1 20 0 44556K 3728K select 0 1:09 0.00% rsync
5084 User 1 20 0 44556K 3728K select 0 1:02 0.00% rsync
5091 User 1 20 0 44556K 3712K select 1 0:59 0.00% rsync


The file system is ZFS (Raidz2) on the client. The observed temporary file names on the client suggest that there is duplication in copied files.
Both boxes run Version 10.3.0.3 - Pilingitam (revision 2987).
Any ideas?
Nas1: x64-embedded-11.2.0.4.6743
Mobo: ASRock E3V5 WS, CPU: Celeron(R) CPU G3900, Mem: 16GB DDR4 ECC
Storage: 6x Seagate 8TB RAIDZ2 + 2x Seagate 8TB Raid1, OS Disk: 16GB Sandisk Ultra
---
Nas2: Root-on-ZFS x64-full-11.2.0.4.6743
Mobo: Gigabyte H110M-S2H, CPU: Celeron(R) CPU G3900, Mem: 16GB DDR4 non-ECC
Storage: 4x Seagate 8TB RAIDZ2 + 2x Seagate 4TB Raid0, OS Disk: 60GB Patriot Pyro SSD
---
Nas3: Root-on-ZFS x64-full-11.2.0.4.6625
Mobo: Asus P10S WS, CPU: Xeon E3-1230 V5, Mem: 2x 8GB DDR4 ECC
Storage: 6x 4TB RAIDZ2, OS Disk: 240GB WD green M.2 SSD

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