---> uname -a: Linux prd-centos8-docker-8c-8g-14010.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 1075 27049 19 3762 30350 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:37:09:80 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.120/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86122sec preferred_lft 86122sec inet6 fe80::f816:3eff:fe37:980/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:dd:8a:f3:72 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:ddff:fe8a:f372/64 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) 08/20/2026 _x86_64_ (8 CPU) 17:11:59 LINUX RESTART (8 CPU) 05:13:01 PM tps rtps wtps bread/s bwrtn/s 05:14:01 PM 285.14 14.75 270.39 3123.89 16700.50 05:15:01 PM 369.13 6.83 362.30 1267.71 13122.24 05:16:01 PM 165.69 1.77 163.93 425.46 39510.51 Average: 273.32 7.78 265.54 1605.69 23111.09 05:13:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:14:01 PM 28607264 30757352 4046108 12.39 2688 2460312 1848492 5.48 204592 3351796 158116 05:15:01 PM 27610920 30211128 5042452 15.44 2688 2902496 2126368 6.31 406300 4110644 258544 05:16:01 PM 27698216 31076272 4955156 15.18 2688 3672044 1566108 4.65 643412 3760544 165080 Average: 27972133 30681584 4681239 14.34 2688 3011617 1846989 5.48 418101 3740995 193913 05:13:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:14:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM eth0 347.90 288.04 3445.95 62.94 0.00 0.00 0.00 0.00 05:14:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM eth0 471.94 383.47 6412.30 50.44 0.00 0.00 0.00 0.00 05:15:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 PM eth0 370.66 325.62 4033.58 1289.43 0.00 0.00 0.00 0.00 05:16:01 PM docker0 7.71 17.14 0.56 260.56 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 396.83 332.38 4630.61 467.61 0.00 0.00 0.00 0.00 Average: docker0 2.57 5.71 0.19 86.85 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) 08/20/2026 _x86_64_ (8 CPU) 17:11:59 LINUX RESTART (8 CPU) 05:13:01 PM CPU %user %nice %system %iowait %steal %idle 05:14:01 PM all 16.98 0.00 1.59 0.82 0.08 80.53 05:14:01 PM 0 17.85 0.00 1.52 1.10 0.08 79.44 05:14:01 PM 1 19.87 0.00 2.64 1.77 0.10 75.61 05:14:01 PM 2 7.29 0.00 1.35 0.77 0.07 90.52 05:14:01 PM 3 32.47 0.00 2.86 0.70 0.10 63.86 05:14:01 PM 4 13.16 0.00 1.27 1.20 0.05 84.31 05:14:01 PM 5 19.94 0.00 1.42 0.35 0.07 78.23 05:14:01 PM 6 16.07 0.00 0.92 0.47 0.07 82.48 05:14:01 PM 7 9.15 0.00 0.75 0.20 0.07 89.82 05:15:01 PM all 26.73 0.00 1.75 0.97 0.10 70.45 05:15:01 PM 0 39.53 0.00 0.80 0.15 0.08 59.43 05:15:01 PM 1 29.24 0.00 3.04 3.10 0.12 64.51 05:15:01 PM 2 18.84 0.00 1.39 0.62 0.08 79.06 05:15:01 PM 3 28.56 0.00 2.00 0.49 0.10 68.85 05:15:01 PM 4 18.28 0.00 2.01 1.28 0.12 78.31 05:15:01 PM 5 16.43 0.00 1.68 0.81 0.08 81.00 05:15:01 PM 6 38.73 0.00 1.83 0.99 0.12 58.34 05:15:01 PM 7 24.20 0.00 1.26 0.32 0.08 74.14 05:16:01 PM all 17.71 0.00 2.54 0.64 0.08 79.03 05:16:01 PM 0 17.09 0.00 3.22 0.79 0.10 78.80 05:16:01 PM 1 12.86 0.00 2.57 0.79 0.08 83.69 05:16:01 PM 2 18.42 0.00 2.91 1.18 0.08 77.41 05:16:01 PM 3 35.91 0.00 2.75 0.92 0.10 60.32 05:16:01 PM 4 8.34 0.00 2.72 0.18 0.08 88.68 05:16:01 PM 5 13.58 0.00 1.93 0.39 0.07 84.04 05:16:01 PM 6 18.51 0.00 1.93 0.52 0.07 78.97 05:16:01 PM 7 16.93 0.00 2.28 0.37 0.08 80.33 Average: all 20.47 0.00 1.96 0.81 0.09 76.67 Average: 0 24.83 0.00 1.85 0.68 0.09 72.55 Average: 1 20.66 0.00 2.75 1.89 0.10 74.60 Average: 2 14.84 0.00 1.88 0.86 0.08 82.34 Average: 3 32.32 0.00 2.54 0.70 0.10 64.34 Average: 4 13.26 0.00 2.00 0.89 0.08 83.77 Average: 5 16.65 0.00 1.68 0.51 0.07 81.08 Average: 6 24.43 0.00 1.56 0.66 0.08 73.27 Average: 7 16.76 0.00 1.43 0.30 0.08 81.43