---> uname -a: Linux prd-centos8-docker-8c-8g-12776.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: 2800.000 BogoMIPS: 5600.00 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 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1836 27411 19 2639 29601 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:41:ae:0a brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.115/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86163sec preferred_lft 86163sec inet6 fe80::f816:3eff:fe41:ae0a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:0f:4e:24:2c 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 ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 08/15/2026 _x86_64_ (8 CPU) 14:01:20 LINUX RESTART (8 CPU) 02:02:01 PM tps rtps wtps bread/s bwrtn/s 02:03:01 PM 200.07 2.77 197.30 820.13 12869.22 02:04:01 PM 112.11 1.58 110.53 412.40 13231.84 02:05:01 PM 39.72 2.32 37.40 106.53 4149.80 Average: 117.30 2.22 115.08 446.37 10084.12 02:02:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:03:01 PM 27717668 29745144 4935696 15.12 2688 2341548 2901852 8.61 172972 4284432 275424 02:04:01 PM 27095808 29287640 5557556 17.02 2688 2500660 3557992 10.56 225588 4828836 63856 02:05:01 PM 28063480 30303632 4589884 14.06 2688 2547148 2227720 6.61 456740 3629432 24840 Average: 27625652 29778805 5027712 15.40 2688 2463119 2895855 8.59 285100 4247567 121373 02:02:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:03:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:03:01 PM eth0 267.71 206.70 3664.56 45.84 0.00 0.00 0.00 0.00 02:03:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:04:01 PM lo 1.08 1.08 0.12 0.12 0.00 0.00 0.00 0.00 02:04:01 PM eth0 199.40 156.46 1540.77 44.64 0.00 0.00 0.00 0.00 02:04:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:05:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:05:01 PM eth0 264.82 176.70 581.84 138.76 0.00 0.00 0.00 0.00 02:05:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.36 0.36 0.04 0.04 0.00 0.00 0.00 0.00 Average: eth0 243.97 179.95 1929.11 76.41 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 08/15/2026 _x86_64_ (8 CPU) 14:01:20 LINUX RESTART (8 CPU) 02:02:01 PM CPU %user %nice %system %iowait %steal %idle 02:03:01 PM all 19.14 0.00 1.25 0.55 0.06 79.00 02:03:01 PM 0 8.20 0.00 0.67 0.33 0.07 90.73 02:03:01 PM 1 32.48 0.00 2.41 1.10 0.07 63.94 02:03:01 PM 2 23.10 0.00 1.50 0.94 0.08 74.37 02:03:01 PM 3 29.23 0.00 2.00 0.43 0.07 68.26 02:03:01 PM 4 10.48 0.00 0.92 0.40 0.05 88.15 02:03:01 PM 5 9.41 0.00 0.98 0.55 0.05 89.00 02:03:01 PM 6 19.77 0.00 0.90 0.12 0.05 79.16 02:03:01 PM 7 20.45 0.00 0.59 0.52 0.08 78.36 02:04:01 PM all 43.46 0.00 1.54 0.30 0.09 54.60 02:04:01 PM 0 47.22 0.00 1.47 0.15 0.08 51.08 02:04:01 PM 1 43.59 0.00 1.60 0.50 0.10 54.21 02:04:01 PM 2 39.01 0.00 1.70 0.25 0.08 58.95 02:04:01 PM 3 50.58 0.00 1.59 0.20 0.12 47.51 02:04:01 PM 4 51.58 0.00 1.79 0.38 0.08 46.16 02:04:01 PM 5 37.65 0.00 1.65 0.64 0.10 59.96 02:04:01 PM 6 43.51 0.00 1.49 0.20 0.10 54.71 02:04:01 PM 7 34.56 0.00 1.00 0.12 0.08 64.23 02:05:01 PM all 19.49 0.00 1.09 0.11 0.06 79.26 02:05:01 PM 0 9.77 0.00 1.02 0.02 0.07 89.13 02:05:01 PM 1 23.08 0.00 0.83 0.02 0.05 76.02 02:05:01 PM 2 35.06 0.00 1.10 0.30 0.07 63.47 02:05:01 PM 3 10.60 0.00 0.85 0.37 0.07 88.11 02:05:01 PM 4 12.60 0.00 1.32 0.05 0.05 85.98 02:05:01 PM 5 11.42 0.00 0.65 0.02 0.03 87.88 02:05:01 PM 6 32.85 0.00 1.59 0.07 0.05 65.44 02:05:01 PM 7 20.48 0.00 1.32 0.05 0.07 78.08 Average: all 27.36 0.00 1.29 0.32 0.07 70.95 Average: 0 21.72 0.00 1.05 0.17 0.07 76.99 Average: 1 33.04 0.00 1.61 0.54 0.07 64.73 Average: 2 32.40 0.00 1.44 0.50 0.08 65.59 Average: 3 30.15 0.00 1.48 0.33 0.08 67.95 Average: 4 24.90 0.00 1.34 0.28 0.06 73.42 Average: 5 19.49 0.00 1.10 0.40 0.06 78.95 Average: 6 32.04 0.00 1.32 0.13 0.07 66.44 Average: 7 25.17 0.00 0.97 0.23 0.08 73.55