---> uname -a: Linux prd-centos8-docker-8c-8g-18749.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 1062 27062 19 3762 30362 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:89:6d:ed brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.106/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86130sec preferred_lft 86130sec inet6 fe80::f816:3eff:fe89:6ded/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:4a:95:33:5d 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::42:4aff:fe95:335d/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) 06/21/2026 _x86_64_ (8 CPU) 17:11:24 LINUX RESTART (8 CPU) 05:12:02 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 162.15 14.71 147.44 3303.69 11584.38 05:14:01 PM 458.76 4.87 453.89 1163.81 16982.47 05:15:01 PM 264.60 2.58 262.01 446.78 44665.34 Average: 295.90 7.34 288.56 1628.82 24482.78 05:12:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 29136808 31115076 3516564 10.77 2688 2295076 2011380 5.97 159116 2894192 210024 05:14:01 PM 28138612 30524756 4514760 13.83 2688 2691456 1913076 5.68 265988 3735856 189392 05:15:01 PM 25946428 29247248 6706944 20.54 2688 3595216 3132288 9.29 636068 5511292 74960 Average: 27740616 30295693 4912756 15.05 2688 2860583 2352248 6.98 353724 4047113 158125 05:12:02 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:13:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:13:01 PM eth0 156.32 113.96 1787.29 34.53 0.00 0.00 0.00 0.00 05:13:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 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 490.57 431.08 5621.42 62.54 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 578.19 470.09 7350.15 1277.99 0.00 0.00 0.00 0.00 05:15:01 PM docker0 7.21 14.51 0.53 259.87 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 409.76 339.63 4937.07 460.74 0.00 0.00 0.00 0.00 Average: docker0 2.42 4.86 0.18 87.11 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) 06/21/2026 _x86_64_ (8 CPU) 17:11:24 LINUX RESTART (8 CPU) 05:12:02 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 9.58 0.00 1.01 0.52 0.06 88.83 05:13:01 PM 0 19.27 0.00 1.80 0.31 0.07 78.56 05:13:01 PM 1 10.51 0.00 1.66 0.63 0.07 87.12 05:13:01 PM 2 7.42 0.00 0.82 0.73 0.05 90.98 05:13:01 PM 3 10.55 0.00 1.04 0.82 0.05 87.55 05:13:01 PM 4 7.34 0.00 0.41 0.46 0.07 91.73 05:13:01 PM 5 8.66 0.00 0.98 0.44 0.03 89.88 05:13:01 PM 6 8.67 0.00 0.93 0.66 0.05 89.68 05:13:01 PM 7 4.23 0.00 0.44 0.14 0.05 95.14 05:14:01 PM all 23.87 0.00 1.54 1.18 0.08 73.34 05:14:01 PM 0 28.65 0.00 1.57 0.84 0.10 68.84 05:14:01 PM 1 24.59 0.00 0.82 0.08 0.07 74.44 05:14:01 PM 2 26.64 0.00 1.71 1.15 0.08 70.42 05:14:01 PM 3 17.25 0.00 1.20 0.65 0.08 80.81 05:14:01 PM 4 29.99 0.00 1.44 1.29 0.07 67.22 05:14:01 PM 5 18.63 0.00 1.72 1.76 0.07 77.82 05:14:01 PM 6 26.85 0.00 1.97 1.29 0.07 69.82 05:14:01 PM 7 18.34 0.00 1.86 2.36 0.08 77.36 05:15:01 PM all 23.09 0.00 2.51 0.93 0.08 73.39 05:15:01 PM 0 9.39 0.00 2.23 0.44 0.07 87.88 05:15:01 PM 1 24.71 0.00 2.82 1.80 0.08 70.59 05:15:01 PM 2 29.43 0.00 2.08 1.80 0.07 66.63 05:15:01 PM 3 28.16 0.00 2.86 0.66 0.08 68.25 05:15:01 PM 4 25.26 0.00 3.09 1.26 0.08 70.30 05:15:01 PM 5 27.91 0.00 2.15 0.50 0.08 69.35 05:15:01 PM 6 22.70 0.00 3.18 0.25 0.08 73.79 05:15:01 PM 7 17.17 0.00 1.68 0.74 0.07 80.34 Average: all 18.89 0.00 1.69 0.88 0.07 78.47 Average: 0 19.12 0.00 1.87 0.53 0.08 78.41 Average: 1 19.98 0.00 1.77 0.84 0.07 77.34 Average: 2 21.22 0.00 1.54 1.23 0.07 75.95 Average: 3 18.68 0.00 1.70 0.71 0.07 78.84 Average: 4 20.94 0.00 1.65 1.00 0.07 76.33 Average: 5 18.44 0.00 1.62 0.90 0.06 78.97 Average: 6 19.46 0.00 2.03 0.73 0.07 77.71 Average: 7 13.29 0.00 1.33 1.08 0.07 84.23