---> uname -a: Linux prd-centos8-docker-8c-8g-12119.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 1691 27552 19 2644 29747 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:34:94:8b brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.63/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86158sec preferred_lft 86158sec inet6 fe80::f816:3eff:fe34:948b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:04:a4:7c:5e 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) 07/25/2026 _x86_64_ (8 CPU) 14:02:17 LINUX RESTART (8 CPU) 02:03:01 PM tps rtps wtps bread/s bwrtn/s 02:04:01 PM 223.70 2.78 220.91 842.26 15046.98 02:05:01 PM 103.00 1.62 101.38 391.34 11553.25 02:06:01 PM 41.07 2.37 38.70 124.23 4144.35 Average: 122.58 2.25 120.33 452.59 10247.93 02:03:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:04:01 PM 27869628 29917780 4783744 14.65 2688 2361748 2631756 7.81 176404 4128408 244828 02:05:01 PM 27418252 29619816 5235120 16.03 2688 2509860 2786876 8.27 225600 4509564 67160 02:06:01 PM 28208300 30452476 4445072 13.61 2688 2551152 2081096 6.18 455796 3488004 24268 Average: 27832060 29996691 4821312 14.77 2688 2474253 2499909 7.42 285933 4041992 112085 02:03:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:04:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:04:01 PM eth0 272.87 212.86 3817.29 48.71 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 1.07 1.07 0.12 0.12 0.00 0.00 0.00 0.00 02:05:01 PM eth0 201.85 167.36 1400.80 44.30 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 02:06:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:06:01 PM eth0 247.90 165.78 573.55 139.92 0.00 0.00 0.00 0.00 02:06:01 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 240.87 182.00 1930.44 77.64 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) 07/25/2026 _x86_64_ (8 CPU) 14:02:17 LINUX RESTART (8 CPU) 02:03:01 PM CPU %user %nice %system %iowait %steal %idle 02:04:01 PM all 21.83 0.00 1.33 0.79 0.06 75.98 02:04:01 PM 0 10.17 0.00 0.67 0.15 0.05 88.96 02:04:01 PM 1 31.85 0.00 2.61 1.75 0.08 63.70 02:04:01 PM 2 28.26 0.00 0.90 0.39 0.08 70.37 02:04:01 PM 3 21.34 0.00 2.27 0.82 0.07 75.50 02:04:01 PM 4 17.67 0.00 0.90 0.38 0.05 81.00 02:04:01 PM 5 15.84 0.00 1.10 1.25 0.05 81.76 02:04:01 PM 6 27.41 0.00 0.95 0.78 0.07 70.78 02:04:01 PM 7 22.12 0.00 1.22 0.82 0.07 75.77 02:05:01 PM all 42.63 0.00 1.54 0.46 0.10 55.27 02:05:01 PM 0 38.77 0.00 1.48 0.08 0.10 59.56 02:05:01 PM 1 48.35 0.00 1.54 0.17 0.10 49.85 02:05:01 PM 2 47.86 0.00 1.64 0.52 0.10 49.88 02:05:01 PM 3 32.21 0.00 1.66 0.80 0.10 65.23 02:05:01 PM 4 49.89 0.00 1.54 0.79 0.10 47.69 02:05:01 PM 5 49.98 0.00 1.79 0.62 0.10 47.51 02:05:01 PM 6 33.51 0.00 1.54 0.52 0.08 64.35 02:05:01 PM 7 40.47 0.00 1.19 0.20 0.08 58.06 02:06:01 PM all 18.27 0.00 1.02 0.12 0.05 80.53 02:06:01 PM 0 21.27 0.00 0.45 0.02 0.05 78.21 02:06:01 PM 1 19.83 0.00 1.60 0.08 0.05 78.43 02:06:01 PM 2 9.86 0.00 1.46 0.62 0.05 88.01 02:06:01 PM 3 12.31 0.00 1.15 0.02 0.05 86.47 02:06:01 PM 4 23.20 0.00 0.55 0.07 0.05 76.13 02:06:01 PM 5 22.04 0.00 1.27 0.12 0.07 76.50 02:06:01 PM 6 18.17 0.00 1.09 0.02 0.05 80.68 02:06:01 PM 7 19.45 0.00 0.62 0.02 0.05 79.87 Average: all 27.58 0.00 1.30 0.46 0.07 70.59 Average: 0 23.41 0.00 0.87 0.08 0.07 75.57 Average: 1 33.34 0.00 1.91 0.67 0.08 64.00 Average: 2 28.67 0.00 1.33 0.51 0.08 69.41 Average: 3 21.95 0.00 1.69 0.55 0.07 75.74 Average: 4 30.25 0.00 1.00 0.41 0.07 68.28 Average: 5 29.29 0.00 1.39 0.66 0.07 68.59 Average: 6 26.36 0.00 1.19 0.44 0.07 71.94 Average: 7 27.34 0.00 1.01 0.35 0.07 71.24