---> uname -a: Linux prd-centos8-docker-8c-8g-12466.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 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1072 26968 19 3846 30349 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:ce:53:0f brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.83/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86134sec preferred_lft 86134sec inet6 fe80::f816:3eff:fece:530f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:99:65:3f:0a 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::42:99ff:fe65:3f0a/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) 07/26/2026 _x86_64_ (8 CPU) 03:38:00 LINUX RESTART (8 CPU) 03:39:01 AM tps rtps wtps bread/s bwrtn/s 03:40:01 AM 452.72 15.46 437.25 3940.29 20058.85 03:41:01 AM 249.62 5.60 244.02 517.83 14668.01 03:42:01 AM 172.16 2.45 169.71 496.10 42406.30 Average: 291.50 7.84 283.66 1651.41 25711.05 03:39:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:40:01 AM 28438240 30660832 4215132 12.91 2688 2530804 1899440 5.64 214684 3499696 145828 03:41:01 AM 26699492 29848600 5953880 18.23 2688 3444788 2554376 7.58 486092 4918800 675844 03:42:01 AM 27683512 31145184 4969860 15.22 2688 3751592 1461516 4.34 841500 3562860 24392 Average: 27607081 30551539 5046291 15.45 2688 3242395 1971777 5.85 514092 3993785 282021 03:39:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 AM eth0 406.00 353.27 4146.51 72.58 0.00 0.00 0.00 0.00 03:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM eth0 645.07 488.59 10128.81 56.25 0.00 0.00 0.00 0.00 03:41:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:42:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:42:01 AM eth0 266.89 276.79 531.92 2337.73 0.00 0.00 0.00 0.00 03:42:01 AM docker0 13.85 21.59 0.78 308.54 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 439.32 372.88 4935.75 822.19 0.00 0.00 0.00 0.00 Average: docker0 4.62 7.20 0.26 102.85 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) 07/26/2026 _x86_64_ (8 CPU) 03:38:00 LINUX RESTART (8 CPU) 03:39:01 AM CPU %user %nice %system %iowait %steal %idle 03:40:01 AM all 17.76 0.00 1.58 1.19 0.07 79.41 03:40:01 AM 0 14.26 0.00 0.87 0.38 0.07 84.42 03:40:01 AM 1 29.15 0.00 2.64 1.14 0.10 66.96 03:40:01 AM 2 9.99 0.00 1.84 2.95 0.08 85.13 03:40:01 AM 3 16.99 0.00 1.24 0.90 0.07 80.81 03:40:01 AM 4 17.43 0.00 1.32 0.79 0.07 80.40 03:40:01 AM 5 20.00 0.00 1.02 0.57 0.05 78.37 03:40:01 AM 6 16.48 0.00 1.69 1.27 0.08 80.46 03:40:01 AM 7 17.73 0.00 1.99 1.51 0.07 78.70 03:41:01 AM all 28.54 0.00 2.10 0.61 0.09 68.66 03:41:01 AM 0 26.63 0.00 1.69 0.34 0.10 71.24 03:41:01 AM 1 37.78 0.00 3.26 1.43 0.08 57.44 03:41:01 AM 2 38.63 0.00 1.81 0.74 0.08 58.73 03:41:01 AM 3 28.14 0.00 2.17 0.34 0.08 69.28 03:41:01 AM 4 27.32 0.00 2.43 0.34 0.10 69.81 03:41:01 AM 5 19.62 0.00 1.85 0.66 0.08 77.80 03:41:01 AM 6 28.16 0.00 1.96 0.92 0.07 68.89 03:41:01 AM 7 22.08 0.00 1.59 0.13 0.08 76.11 03:42:01 AM all 11.46 0.00 2.29 0.58 0.06 85.61 03:42:01 AM 0 5.52 0.00 2.17 0.43 0.07 91.81 03:42:01 AM 1 16.08 0.00 2.51 1.29 0.07 80.06 03:42:01 AM 2 7.96 0.00 2.63 0.95 0.05 88.41 03:42:01 AM 3 11.96 0.00 2.18 0.34 0.05 85.47 03:42:01 AM 4 9.08 0.00 1.95 0.18 0.07 88.73 03:42:01 AM 5 19.81 0.00 2.85 0.95 0.07 76.32 03:42:01 AM 6 12.07 0.00 2.28 0.30 0.05 85.30 03:42:01 AM 7 9.19 0.00 1.77 0.18 0.05 88.81 Average: all 19.24 0.00 1.99 0.79 0.07 77.90 Average: 0 15.46 0.00 1.58 0.38 0.08 82.50 Average: 1 27.65 0.00 2.80 1.28 0.08 68.17 Average: 2 18.85 0.00 2.10 1.55 0.07 77.43 Average: 3 19.02 0.00 1.86 0.53 0.07 78.53 Average: 4 17.94 0.00 1.90 0.44 0.08 79.65 Average: 5 19.81 0.00 1.90 0.73 0.07 77.50 Average: 6 18.90 0.00 1.98 0.83 0.07 78.22 Average: 7 16.33 0.00 1.79 0.61 0.07 81.21