---> uname -a: Linux prd-centos8-docker-8c-8g-971.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 13G 148G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1067 26330 19 4489 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:45:98:8e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.63/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86127sec preferred_lft 86127sec inet6 fe80::f816:3eff:fe45:988e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:2c:c3:16:21 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::42:2cff:fec3:1621/64 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) 07/19/2026 _x86_64_ (8 CPU) 07:30:57 LINUX RESTART (8 CPU) 07:32:01 AM tps rtps wtps bread/s bwrtn/s 07:33:01 AM 290.90 17.21 273.69 3743.38 16645.33 07:34:01 AM 164.08 16.13 147.96 1510.71 40133.18 07:35:01 AM 232.57 3.58 228.99 4618.06 23206.61 Average: 229.18 12.31 216.87 3290.59 26663.01 07:32:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:33:01 AM 28216340 30549136 4437032 13.59 2688 2642432 2011832 5.97 215796 3725324 320544 07:34:01 AM 25567588 28791904 7085784 21.70 2688 3515936 5577968 16.55 449628 6056180 1804 07:35:01 AM 26949952 31065180 5703420 17.47 2688 4401736 1524672 4.52 891576 4234640 150848 Average: 26911293 30135407 5742079 17.58 2688 3520035 3038157 9.01 519000 4672048 157732 07:32:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:33:01 AM eth0 509.57 380.50 6265.18 70.60 0.00 0.00 0.00 0.00 07:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:34:01 AM lo 3.15 3.15 0.39 0.39 0.00 0.00 0.00 0.00 07:34:01 AM eth0 1689.97 536.18 7200.39 44.50 0.00 0.00 0.00 0.00 07:34:01 AM docker0 1.37 1.92 0.20 0.23 0.00 0.00 0.00 0.00 07:34:01 AM veth85b9db3 1.37 1.95 0.22 0.23 0.00 0.00 0.00 0.00 07:35:01 AM lo 9.55 9.55 0.95 0.95 0.00 0.00 0.00 0.00 07:35:01 AM eth0 167.83 168.99 1722.34 1266.58 0.00 0.00 0.00 0.00 07:35:01 AM docker0 3.37 3.95 0.44 0.46 0.00 0.00 0.00 0.00 Average: lo 4.23 4.23 0.45 0.45 0.00 0.00 0.00 0.00 Average: eth0 789.19 361.90 5062.69 460.56 0.00 0.00 0.00 0.00 Average: docker0 1.58 1.95 0.21 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) 07/19/2026 _x86_64_ (8 CPU) 07:30:57 LINUX RESTART (8 CPU) 07:32:01 AM CPU %user %nice %system %iowait %steal %idle 07:33:01 AM all 19.01 0.00 1.53 0.89 0.08 78.49 07:33:01 AM 0 18.32 0.00 0.72 0.38 0.10 80.47 07:33:01 AM 1 22.46 0.00 2.24 1.77 0.07 73.46 07:33:01 AM 2 19.56 0.00 1.79 0.85 0.07 77.74 07:33:01 AM 3 25.99 0.00 2.18 0.27 0.08 71.49 07:33:01 AM 4 25.11 0.00 1.33 1.08 0.07 72.40 07:33:01 AM 5 10.21 0.00 1.51 1.16 0.08 87.05 07:33:01 AM 6 18.35 0.00 1.12 1.04 0.08 79.42 07:33:01 AM 7 12.06 0.00 1.34 0.57 0.10 85.93 07:34:01 AM all 28.44 0.23 2.62 0.80 0.08 67.84 07:34:01 AM 0 21.83 1.70 3.02 2.48 0.07 70.91 07:34:01 AM 1 24.47 0.00 2.74 0.86 0.08 71.84 07:34:01 AM 2 21.39 0.02 2.75 0.32 0.08 75.44 07:34:01 AM 3 24.18 0.03 2.58 0.51 0.08 72.61 07:34:01 AM 4 41.73 0.00 3.07 0.17 0.08 54.95 07:34:01 AM 5 27.01 0.00 2.25 0.47 0.08 70.18 07:34:01 AM 6 32.68 0.02 1.91 0.99 0.07 64.33 07:34:01 AM 7 34.20 0.03 2.66 0.57 0.07 62.46 07:35:01 AM all 19.81 0.31 2.11 0.69 0.07 77.00 07:35:01 AM 0 26.47 0.03 1.71 0.10 0.08 71.61 07:35:01 AM 1 22.48 0.02 2.38 1.02 0.08 74.02 07:35:01 AM 2 24.61 0.03 2.09 0.50 0.07 72.70 07:35:01 AM 3 12.68 0.02 1.76 0.40 0.08 85.06 07:35:01 AM 4 15.21 0.02 1.99 1.04 0.07 81.68 07:35:01 AM 5 20.77 2.34 2.43 0.38 0.07 74.01 07:35:01 AM 6 23.19 0.00 2.61 1.59 0.07 72.54 07:35:01 AM 7 13.04 0.00 1.96 0.52 0.07 84.41 Average: all 22.41 0.18 2.09 0.79 0.08 74.46 Average: 0 22.21 0.58 1.81 0.98 0.08 74.34 Average: 1 23.14 0.01 2.45 1.22 0.08 73.11 Average: 2 21.85 0.02 2.21 0.56 0.07 75.29 Average: 3 20.94 0.02 2.17 0.39 0.08 76.40 Average: 4 27.32 0.01 2.13 0.77 0.07 69.71 Average: 5 19.32 0.78 2.06 0.67 0.08 77.09 Average: 6 24.73 0.01 1.88 1.20 0.07 72.11 Average: 7 19.74 0.01 1.99 0.55 0.08 77.63