---> uname -a: Linux prd-centos8-docker-8c-8g-12892.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 1079 26365 19 4443 30340 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:e8:6c:96 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.180/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86133sec preferred_lft 86133sec inet6 fe80::f816:3eff:fee8:6c96/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:5e:6e:a0:fa 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::42:5eff:fe6e:a0fa/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) 08/16/2026 _x86_64_ (8 CPU) 02:28:56 LINUX RESTART (8 CPU) 02:30:01 AM tps rtps wtps bread/s bwrtn/s 02:31:01 AM 279.19 17.06 262.12 3833.63 16445.61 02:32:01 AM 143.25 3.95 139.30 971.51 39815.96 02:33:01 AM 83.77 15.80 67.97 5120.21 8629.05 Average: 168.73 12.27 156.46 3308.19 21632.22 02:30:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:31:01 AM 28383536 30701060 4269836 13.08 2688 2628024 1860116 5.52 207616 3569796 310228 02:32:01 AM 25968288 29161716 6685084 20.47 2688 3486812 5132904 15.23 337104 5779384 268 02:33:01 AM 26966588 31036240 5686784 17.42 2688 4357576 1587996 4.71 876744 4241600 517576 Average: 27106137 30299672 5547235 16.99 2688 3490804 2860339 8.49 473821 4530260 276024 02:30:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:31:01 AM eth0 529.21 397.10 6028.23 69.17 0.00 0.00 0.00 0.00 02:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 AM eth0 1837.90 605.53 7235.07 46.57 0.00 0.00 0.00 0.00 02:32:01 AM docker0 0.00 0.08 0.00 0.01 0.00 0.00 0.00 0.00 02:32:01 AM veth89298f9 0.00 0.18 0.00 0.02 0.00 0.00 0.00 0.00 02:33:01 AM lo 12.13 12.13 1.28 1.28 0.00 0.00 0.00 0.00 02:33:01 AM eth0 143.88 150.24 1381.45 1250.72 0.00 0.00 0.00 0.00 02:33:01 AM docker0 4.30 5.37 0.61 0.62 0.00 0.00 0.00 0.00 Average: lo 4.04 4.04 0.43 0.43 0.00 0.00 0.00 0.00 Average: eth0 837.11 384.32 4881.84 455.44 0.00 0.00 0.00 0.00 Average: docker0 1.43 1.82 0.20 0.21 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) 08/16/2026 _x86_64_ (8 CPU) 02:28:56 LINUX RESTART (8 CPU) 02:30:01 AM CPU %user %nice %system %iowait %steal %idle 02:31:01 AM all 16.25 0.00 1.53 0.80 0.08 81.34 02:31:01 AM 0 13.60 0.00 1.70 0.90 0.08 83.71 02:31:01 AM 1 23.00 0.00 1.39 0.87 0.08 74.67 02:31:01 AM 2 7.99 0.00 1.32 0.69 0.07 89.94 02:31:01 AM 3 10.30 0.00 1.44 1.24 0.08 86.93 02:31:01 AM 4 10.52 0.00 1.29 0.54 0.07 87.59 02:31:01 AM 5 22.36 0.00 1.66 0.95 0.08 74.94 02:31:01 AM 6 10.86 0.00 1.05 0.58 0.07 87.43 02:31:01 AM 7 31.39 0.00 2.43 0.62 0.07 65.50 02:32:01 AM all 26.75 0.00 2.53 0.65 0.09 69.99 02:32:01 AM 0 26.07 0.00 3.00 0.61 0.12 70.21 02:32:01 AM 1 33.02 0.00 2.77 2.55 0.08 61.58 02:32:01 AM 2 23.81 0.00 2.85 1.25 0.10 71.99 02:32:01 AM 3 33.42 0.00 2.43 0.24 0.08 63.83 02:32:01 AM 4 25.40 0.00 2.30 0.08 0.10 72.12 02:32:01 AM 5 22.80 0.00 2.23 0.02 0.08 74.87 02:32:01 AM 6 22.71 0.00 2.02 0.40 0.08 74.78 02:32:01 AM 7 26.77 0.00 2.61 0.05 0.08 70.49 02:33:01 AM all 20.92 0.26 2.30 0.26 0.07 76.18 02:33:01 AM 0 16.92 0.77 1.75 0.13 0.07 80.35 02:33:01 AM 1 37.05 0.00 1.85 0.17 0.08 60.85 02:33:01 AM 2 20.19 0.89 2.78 0.99 0.10 75.05 02:33:01 AM 3 22.95 0.02 2.96 0.20 0.07 73.80 02:33:01 AM 4 28.71 0.02 2.56 0.32 0.07 68.33 02:33:01 AM 5 12.60 0.30 2.50 0.20 0.05 84.35 02:33:01 AM 6 17.55 0.05 2.04 0.05 0.07 80.24 02:33:01 AM 7 11.34 0.02 1.98 0.05 0.08 86.53 Average: all 21.29 0.09 2.12 0.57 0.08 75.85 Average: 0 18.84 0.26 2.15 0.55 0.09 78.11 Average: 1 31.02 0.00 2.00 1.19 0.08 65.71 Average: 2 17.31 0.30 2.31 0.97 0.09 79.02 Average: 3 22.20 0.01 2.28 0.56 0.08 74.88 Average: 4 21.53 0.01 2.05 0.31 0.08 76.02 Average: 5 19.25 0.10 2.13 0.39 0.07 78.06 Average: 6 17.03 0.02 1.71 0.35 0.07 80.83 Average: 7 23.16 0.01 2.34 0.24 0.08 74.17