---> uname -a: Linux prd-centos8-docker-8c-8g-3228.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 13G 148G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1078 26325 19 4484 30339 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:5b:72:76 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.245/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86128sec preferred_lft 86128sec inet6 fe80::f816:3eff:fe5b:7276/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:61:54:d4:b4 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::42:61ff:fe54:d4b4/64 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) 05/24/2026 _x86_64_ (8 CPU) 07:30:25 LINUX RESTART (8 CPU) 07:31:01 AM tps rtps wtps bread/s bwrtn/s 07:32:01 AM 198.48 14.70 183.79 3222.40 11211.85 07:33:02 AM 221.98 4.72 217.26 1125.68 20849.41 07:34:01 AM 305.95 16.79 289.16 5619.92 30444.77 Average: 241.79 12.04 229.75 3310.09 20782.75 07:31:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:32:01 AM 29042744 31040628 3610620 11.06 2688 2313008 1790456 5.31 186412 2950860 222628 07:33:02 AM 26911600 29682436 5741764 17.58 2688 3077200 2711640 8.05 274748 4949872 393024 07:34:01 AM 26016824 30000944 6636540 20.32 2688 4272452 2416484 7.17 668472 5388600 626908 Average: 27323723 30241336 5329641 16.32 2688 3220887 2306193 6.84 376544 4429777 414187 07:31:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:32:01 AM eth0 185.97 136.16 2125.01 41.89 0.00 0.00 0.00 0.00 07:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:33:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:33:02 AM eth0 1746.28 673.22 11010.69 64.63 0.00 0.00 0.00 0.00 07:33:02 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:34:01 AM lo 13.25 13.25 1.38 1.38 0.00 0.00 0.00 0.00 07:34:01 AM eth0 375.00 166.71 2652.27 28.61 0.00 0.00 0.00 0.00 07:34:01 AM docker0 4.86 6.05 0.66 0.70 0.00 0.00 0.00 0.00 Average: lo 4.37 4.37 0.46 0.46 0.00 0.00 0.00 0.00 Average: eth0 771.24 326.23 5276.95 45.13 0.00 0.00 0.00 0.00 Average: docker0 1.60 1.99 0.22 0.23 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) 05/24/2026 _x86_64_ (8 CPU) 07:30:25 LINUX RESTART (8 CPU) 07:31:01 AM CPU %user %nice %system %iowait %steal %idle 07:32:01 AM all 14.08 0.00 1.43 0.57 0.07 83.85 07:32:01 AM 0 15.62 0.00 1.72 1.00 0.07 81.59 07:32:01 AM 1 19.81 0.00 2.07 0.47 0.07 77.58 07:32:01 AM 2 7.98 0.00 0.57 0.03 0.07 91.36 07:32:01 AM 3 11.27 0.00 1.32 1.52 0.08 85.80 07:32:01 AM 4 13.63 0.00 1.40 0.17 0.07 84.73 07:32:01 AM 5 6.00 0.00 0.77 0.65 0.08 92.49 07:32:01 AM 6 23.53 0.00 2.47 0.47 0.05 73.48 07:32:01 AM 7 14.79 0.00 1.12 0.23 0.05 83.81 07:33:02 AM all 31.34 0.00 1.72 0.63 0.09 66.22 07:33:02 AM 0 28.14 0.00 2.11 0.27 0.10 69.38 07:33:02 AM 1 42.20 0.00 1.78 0.39 0.10 55.54 07:33:02 AM 2 39.95 0.00 2.20 0.86 0.10 56.89 07:33:02 AM 3 38.19 0.00 1.69 0.69 0.10 59.32 07:33:02 AM 4 22.29 0.00 1.36 0.54 0.07 75.75 07:33:02 AM 5 25.31 0.00 1.73 1.24 0.08 71.63 07:33:02 AM 6 26.81 0.00 1.53 0.75 0.08 70.83 07:33:02 AM 7 27.81 0.00 1.39 0.34 0.08 70.38 07:34:01 AM all 22.84 0.35 3.64 0.95 0.10 72.12 07:34:01 AM 0 18.75 0.38 3.01 0.09 0.09 77.69 07:34:01 AM 1 26.61 0.02 3.78 0.87 0.10 68.61 07:34:01 AM 2 20.89 1.65 3.64 1.12 0.10 72.60 07:34:01 AM 3 26.90 0.05 3.40 0.48 0.10 69.06 07:34:01 AM 4 24.18 0.62 3.82 1.18 0.10 70.10 07:34:01 AM 5 19.74 0.12 3.17 0.67 0.09 76.21 07:34:01 AM 6 22.61 0.00 3.93 2.94 0.10 70.43 07:34:01 AM 7 23.04 0.00 4.34 0.27 0.10 72.24 Average: all 22.74 0.12 2.25 0.72 0.09 74.09 Average: 0 20.84 0.12 2.28 0.46 0.08 76.22 Average: 1 29.55 0.01 2.54 0.57 0.09 67.24 Average: 2 22.92 0.54 2.12 0.66 0.09 73.66 Average: 3 25.43 0.02 2.13 0.90 0.10 71.42 Average: 4 20.00 0.20 2.18 0.62 0.08 76.91 Average: 5 16.98 0.04 1.88 0.86 0.08 80.16 Average: 6 24.33 0.00 2.63 1.37 0.08 71.59 Average: 7 21.86 0.00 2.27 0.28 0.08 75.51