---> uname -a: Linux prd-centos8-docker-8c-8g-14141.novalocal 4.18.0-500.el8.x86_64 #1 SMP Wed Jun 28 00:07:07 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2799.998 BogoMIPS: 5599.99 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0-7 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 13G 148G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1065 26385 19 4436 30353 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:6e:aa:47 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.34/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86130sec preferred_lft 86130sec inet6 fe80::f816:3eff:fe6e:aa47/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:54:7f:b9:d9 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::42:54ff:fe7f:b9d9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 07/31/2026 _x86_64_ (8 CPU) 02:28:57 LINUX RESTART (8 CPU) 02:30:01 AM tps rtps wtps bread/s bwrtn/s 02:31:01 AM 262.15 16.61 245.53 3198.13 16338.47 02:32:01 AM 155.51 4.42 151.09 1502.42 39332.78 02:33:01 AM 101.05 15.88 85.17 5159.15 25696.80 Average: 172.90 12.30 160.60 3286.77 27121.93 02:30:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:31:01 AM 28704904 30960648 3948468 12.09 2688 2566972 1647192 4.89 197920 3260444 257336 02:32:01 AM 26526716 29711584 6126656 18.76 2688 3478184 3806384 11.29 306536 5250676 144 02:33:01 AM 27009652 31072064 5643720 17.28 2688 4349556 1543144 4.58 876212 4193428 7512 Average: 27413757 30581432 5239615 16.05 2688 3464904 2332240 6.92 460223 4234849 88331 02:30:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:31:01 AM eth0 416.81 323.08 5383.71 60.28 0.00 0.00 0.00 0.00 02:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 AM eth0 1376.00 431.59 7794.11 40.00 0.00 0.00 0.00 0.00 02:32:01 AM docker0 0.00 0.05 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 AM veth5e060e7 0.00 0.10 0.00 0.01 0.00 0.00 0.00 0.00 02:33:01 AM lo 11.86 11.86 1.26 1.26 0.00 0.00 0.00 0.00 02:33:01 AM eth0 200.32 178.08 1403.56 1265.80 0.00 0.00 0.00 0.00 02:33:01 AM docker0 4.30 5.28 0.61 0.61 0.00 0.00 0.00 0.00 Average: lo 3.95 3.95 0.42 0.42 0.00 0.00 0.00 0.00 Average: eth0 664.31 310.90 4860.10 455.43 0.00 0.00 0.00 0.00 Average: docker0 1.43 1.78 0.20 0.21 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 07/31/2026 _x86_64_ (8 CPU) 02:28:57 LINUX RESTART (8 CPU) 02:30:01 AM CPU %user %nice %system %iowait %steal %idle 02:31:01 AM all 13.26 0.00 1.40 0.88 0.07 84.39 02:31:01 AM 0 14.80 0.00 1.02 0.55 0.07 83.56 02:31:01 AM 1 5.66 0.00 1.59 2.33 0.05 90.37 02:31:01 AM 2 12.99 0.00 1.24 0.91 0.10 84.76 02:31:01 AM 3 8.79 0.00 1.00 0.76 0.07 89.38 02:31:01 AM 4 14.62 0.00 1.00 0.32 0.05 84.01 02:31:01 AM 5 13.52 0.00 1.57 0.99 0.07 83.85 02:31:01 AM 6 12.96 0.00 1.43 0.66 0.05 84.90 02:31:01 AM 7 22.66 0.00 2.32 0.54 0.08 74.39 02:32:01 AM all 27.67 0.00 2.20 0.69 0.10 69.34 02:32:01 AM 0 29.52 0.00 1.85 0.37 0.10 68.16 02:32:01 AM 1 31.39 0.00 2.62 0.71 0.10 65.18 02:32:01 AM 2 35.45 0.00 2.10 0.76 0.10 61.58 02:32:01 AM 3 23.52 0.00 1.93 1.18 0.08 73.28 02:32:01 AM 4 21.39 0.00 3.09 1.18 0.08 74.25 02:32:01 AM 5 24.95 0.00 1.56 0.52 0.10 72.86 02:32:01 AM 6 34.27 0.00 2.19 0.13 0.12 63.29 02:32:01 AM 7 20.87 0.00 2.23 0.67 0.08 76.15 02:33:01 AM all 21.39 0.30 2.29 0.45 0.08 75.49 02:33:01 AM 0 17.06 0.05 2.21 2.13 0.07 78.49 02:33:01 AM 1 25.78 0.00 2.62 0.30 0.10 71.20 02:33:01 AM 2 20.46 0.00 1.68 0.05 0.07 77.75 02:33:01 AM 3 21.76 0.35 2.65 0.20 0.07 74.97 02:33:01 AM 4 15.81 0.00 2.34 0.10 0.07 81.68 02:33:01 AM 5 22.02 1.89 2.61 0.47 0.08 72.93 02:33:01 AM 6 22.34 0.03 1.76 0.18 0.07 75.62 02:33:01 AM 7 25.92 0.07 2.45 0.17 0.08 71.31 Average: all 20.77 0.10 1.96 0.67 0.08 76.42 Average: 0 20.44 0.02 1.69 1.02 0.08 76.75 Average: 1 20.93 0.00 2.28 1.11 0.08 75.60 Average: 2 22.95 0.00 1.67 0.57 0.09 74.72 Average: 3 18.05 0.12 1.86 0.71 0.07 79.18 Average: 4 17.26 0.00 2.14 0.53 0.07 80.00 Average: 5 20.16 0.63 1.92 0.66 0.08 76.55 Average: 6 23.19 0.01 1.79 0.32 0.08 74.61 Average: 7 23.15 0.02 2.33 0.46 0.08 73.95