[Gluster-users] Gluster Performance - 12 Gbps SSDs and 10 Gbps NIC

Tue Dec 12 18:08:37 UTC 2023

I strongly suggest you update to version 10 or higher.
It's come with significant improvement regarding performance.
---
Gilberto Nunes Ferreira
(47) 99676-7530 - Whatsapp / Telegram

Em ter., 12 de dez. de 2023 às 13:03, Danny <dbray925+gluster at gmail.com>
escreveu:

> MTU is already 9000, and as you can see from the IPERF results, I've got a
> nice, fast connection between the nodes.
>
> On Tue, Dec 12, 2023 at 9:49 AM Strahil Nikolov <hunter86_bg at yahoo.com>
> wrote:
>
>> Hi,
>>
>> Let’s try the simple things:
>>
>> Check if you can use MTU9000 and if it’s possible, set it on the Bond
>> Slaves and the bond devices:
>>  ping GLUSTER_PEER -c 10 -M do -s 8972
>>
>> Then try to follow up the recommendations from
>> https://access.redhat.com/documentation/en-us/red_hat_gluster_storage/3.5/html/administration_guide/chap-configuring_red_hat_storage_for_enhancing_performance
>>
>>
>>
>> Best Regards,
>> Strahil Nikolov
>>
>> On Monday, December 11, 2023, 3:32 PM, Danny <dbray925+gluster at gmail.com>
>> wrote:
>>
>> Hello list, I'm hoping someone can let me know what setting I missed.
>>
>> Hardware:
>> Dell R650 servers, Dual 24 Core Xeon 2.8 GHz, 1 TB RAM
>> 8x SSD s Negotiated Speed 12 Gbps
>> PERC H755 Controller - RAID 6
>> Created virtual "data" disk from the above 8 SSD drives, for a ~20 TB
>> /dev/sdb
>>
>> OS:
>> CentOS Stream
>> kernel-4.18.0-526.el8.x86_64
>> glusterfs-7.9-1.el8.x86_64
>>
>> IPERF Test between nodes:
>> [ ID] Interval           Transfer     Bitrate         Retr
>> [  5]   0.00-10.00  sec  11.5 GBytes  9.90 Gbits/sec    0
>> sender
>> [  5]   0.00-10.04  sec  11.5 GBytes  9.86 Gbits/sec
>>  receiver
>>
>> All good there. ~10 Gbps, as expected.
>>
>> LVM Install:
>> export DISK="/dev/sdb"
>> sudo parted --script $DISK "mklabel gpt"
>> sudo parted --script $DISK "mkpart primary 0% 100%"
>> sudo parted --script $DISK "set 1 lvm on"
>> sudo pvcreate --dataalignment 128K /dev/sdb1
>> sudo vgcreate --physicalextentsize 128K gfs_vg /dev/sdb1
>> sudo lvcreate -L 16G -n gfs_pool_meta gfs_vg
>> sudo lvcreate -l 95%FREE -n gfs_pool gfs_vg
>> sudo lvconvert --chunksize 1280K --thinpool gfs_vg/gfs_pool
>> --poolmetadata gfs_vg/gfs_pool_meta
>> sudo lvchange --zero n gfs_vg/gfs_pool
>> sudo lvcreate -V 19.5TiB --thinpool gfs_vg/gfs_pool -n gfs_lv
>> sudo mkfs.xfs -f -i size=512 -n size=8192 -d su=128k,sw=10
>> /dev/mapper/gfs_vg-gfs_lv
>> sudo vim /etc/fstab
>> /dev/mapper/gfs_vg-gfs_lv   /gluster/data/brick   xfs
>> rw,inode64,noatime,nouuid 0 0
>>
>> sudo systemctl daemon-reload && sudo mount -a
>> fio --name=test --filename=/gluster/data/brick/wow --size=1G
>> --readwrite=write
>>
>> Run status group 0 (all jobs):
>>   WRITE: bw=2081MiB/s (2182MB/s), 2081MiB/s-2081MiB/s
>> (2182MB/s-2182MB/s), io=1024MiB (1074MB), run=492-492msec
>>
>> All good there. 2182MB/s =~ 17.5 Gbps. Nice!
>>
>>
>> Gluster install:
>> export NODE1='10.54.95.123'
>> export NODE2='10.54.95.124'
>> export NODE3='10.54.95.125'
>> sudo gluster peer probe $NODE2
>> sudo gluster peer probe $NODE3
>> sudo gluster volume create data replica 3 arbiter 1
>> $NODE1:/gluster/data/brick $NODE2:/gluster/data/brick
>> $NODE3:/gluster/data/brick force
>> sudo gluster volume set data network.ping-timeout 5
>> sudo gluster volume set data performance.client-io-threads on
>> sudo gluster volume set data group metadata-cache
>> sudo gluster volume start data
>> sudo gluster volume info all
>>
>> Volume Name: data
>> Type: Replicate
>> Volume ID: b52b5212-82c8-4b1a-8db3-52468bc0226e
>> Status: Started
>> Snapshot Count: 0
>> Number of Bricks: 1 x (2 + 1) = 3
>> Transport-type: tcp
>> Bricks:
>> Brick1: 10.54.95.123:/gluster/data/brick
>> Brick2: 10.54.95.124:/gluster/data/brick
>> Brick3: 10.54.95.125:/gluster/data/brick (arbiter)
>> Options Reconfigured:
>> network.inode-lru-limit: 200000
>> performance.md-cache-timeout: 600
>> performance.cache-invalidation: on
>> performance.stat-prefetch: on
>> features.cache-invalidation-timeout: 600
>> features.cache-invalidation: on
>> network.ping-timeout: 5
>> transport.address-family: inet
>> storage.fips-mode-rchecksum: on
>> nfs.disable: on
>> performance.client-io-threads: on
>>
>> sudo vim /etc/fstab
>> localhost:/data             /data                 glusterfs
>> defaults,_netdev      0 0
>>
>> sudo systemctl daemon-reload && sudo mount -a
>> fio --name=test --filename=/data/wow --size=1G --readwrite=write
>>
>> Run status group 0 (all jobs):
>>   WRITE: bw=109MiB/s (115MB/s), 109MiB/s-109MiB/s (115MB/s-115MB/s),
>> io=1024MiB (1074MB), run=9366-9366msec
>>
>> Oh no, what's wrong? From 2182MB/s down to only 115MB/s? What am I
>> missing? I'm not expecting the above ~17 Gbps, but I'm thinking it should
>> at least be close(r) to ~10 Gbps.
>>
>> Any suggestions?
>> ________
>>
>>
>>
>> Community Meeting Calendar:
>>
>> Schedule -
>> Every 2nd and 4th Tuesday at 14:30 IST / 09:00 UTC
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>>
>> ________
>
>
>
> Community Meeting Calendar:
>
> Schedule -
> Every 2nd and 4th Tuesday at 14:30 IST / 09:00 UTC
> Bridge: https://meet.google.com/cpu-eiue-hvk
> Gluster-users mailing list
> Gluster-users at gluster.org
> https://lists.gluster.org/mailman/listinfo/gluster-users
>
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