<div dir="ltr"><div><div>Hello everyone, <br><br></div> I hope you are doing well. I have a glusterfs (version 3.3.1) with 4 nodes:<br><br>[root@client-fs01 ~]# gluster volume info gluster00<br> <br>Volume Name: gluster00<br>Type: Distributed-Replicate<br>Volume ID: 662bf991-562c-464b-8d39-1909ae378f37<br>Status: Started<br>Number of Bricks: 2 x 2 = 4<br>Transport-type: tcp<br>Bricks:<br>Brick1: cliente-fs01:/export1<br>Brick2: cliente-fs02:/export2<br>Brick3: cliente:/export3<br>Brick4: cliente-fs04:/export4<br>Options Reconfigured:<br>auth.allow: 10.*<br>performance.cache-size: 1GB<br>cluster.data-self-heal-algorithm: full<br>performance.io-thread-count: 32<br>geo-replication.indexing: on<br>performance.write-behind-window-size: 2MB<br><br></div>Two nodes (client-fs03 and client-fs04) always are with high load average (I think because CPU utilization by glusterfsd daemon)<br><div><br>[root@client-fs01 ~]# top<br>top - 11:01:29 up 75 days, 12:41, 2 users, load average: 0.00, 0.00, 0.00<br>Tasks: 168 total,  1 running, 167 sleeping,  0 stopped,  0 zombie<br>Cpu(s): 0.1%us, 0.0%sy, 0.0%ni, 99.9%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st<br>Mem:  5993104k total, 5880888k used,  112216k free,   27276k buffers<br>Swap: 8290296k total,  127856k used, 8162440k free, 2585964k cached<br><br>[root@client-fs02 ~]# top<br>top - 11:02:25 up 31 days, 10:24, 1 user, load average: 0.00, 0.00, 0.00<br>Tasks: 167 total,  1 running, 166 sleeping,  0 stopped,  0 zombie<br>Cpu(s): 0.3%us, 0.4%sy, 0.0%ni, 99.3%id, 0.1%wa, 0.0%hi, 0.0%si, 0.0%st<br>Mem:  5993104k total, 4168744k used, 1824360k free,   54540k buffers<br>Swap: 8290296k total,  136952k used, 8153344k free,  607736k cached<br><br>[root@client-fs03 ~]# top<br>top - 11:02:22 up 50 days, 19:51, 2 users, <b> load average: 11.56, 10.33, 11.18</b><br>Tasks: 168 total,  1 running, 167 sleeping,  0 stopped,  0 zombie<br><b>Cpu(s): 68.5%us</b>, 14.9%sy, 0.0%ni, 16.3%id, 0.0%wa, 0.0%hi, 0.3%si, 0.0%st<br>Mem:  5993104k total, 1817388k used, 4175716k free,    3232k buffers<br>Swap: 8290296k total,  182976k used, 8107320k free,   19904k cached<br><br>[root@client-fs04 ~]# top<br>top - 11:02:50 up 75 days, 12:35, 2 users, l<b>oad average: 3.43, 3.77, 3.83</b><br>Tasks: 168 total,  1 running, 167 sleeping,  0 stopped,  0 zombie<br><b>Cpu(s): 33.9%us</b>, 6.1%sy, 0.0%ni, 59.9%id, 0.0%wa, 0.0%hi, 0.2%si, 0.0%st<br>Mem:  5993100k total, 4167652k used, 1825448k free,    6804k buffers<br>Swap: 8290296k total,  166024k used, 8124272k free,   87160k cached<br><br><br></div><div>Each server has 4 CPUs and 6Gb memory. <br></div><div>Is it normal?<br><br></div><div>Regards, <br></div><div>Wendel Ferreira<br></div><div><br></div></div>