---> uname -a: Linux prd-centos8-docker-8c-8g-12574.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 1046 27071 19 3769 30379 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:b9:5f:52 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.241/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86140sec preferred_lft 86140sec inet6 fe80::f816:3eff:feb9:5f52/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:0c:a1:8c:ec 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:cff:fea1:8cec/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) 17:12:03 LINUX RESTART (8 CPU) 05:13:01 PM tps rtps wtps bread/s bwrtn/s 05:14:01 PM 330.01 14.80 315.21 3228.12 18568.88 05:15:01 PM 363.33 6.03 357.30 1200.53 17055.90 05:16:01 PM 166.03 2.12 163.91 467.84 40455.76 Average: 286.45 7.65 278.81 1632.17 25360.18 05:13:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:14:01 PM 28606284 30768532 4047088 12.39 2688 2472132 1791476 5.32 205132 3347068 163436 05:15:01 PM 27168156 29813280 5485216 16.80 2688 2946256 2470220 7.33 423616 4528456 175496 05:16:01 PM 27744776 31131868 4908596 15.03 2688 3680756 1531296 4.54 822848 3530796 24380 Average: 27839739 30571227 4813633 14.74 2688 3033048 1930997 5.73 483865 3802107 121104 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 353.10 299.15 3652.72 61.00 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 558.43 446.53 6928.47 57.62 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 355.61 344.40 3512.15 2378.28 0.00 0.00 0.00 0.00 05:16:01 PM docker0 6.93 14.46 0.52 260.82 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 422.38 363.36 4697.78 832.30 0.00 0.00 0.00 0.00 Average: docker0 2.31 4.82 0.17 86.94 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) 17:12:03 LINUX RESTART (8 CPU) 05:13:01 PM CPU %user %nice %system %iowait %steal %idle 05:14:01 PM all 17.14 0.00 1.51 0.95 0.08 80.33 05:14:01 PM 0 15.41 0.00 1.62 0.88 0.08 82.00 05:14:01 PM 1 22.50 0.00 1.27 1.00 0.08 75.15 05:14:01 PM 2 16.02 0.00 1.66 0.85 0.10 81.37 05:14:01 PM 3 20.04 0.00 1.52 1.15 0.07 77.22 05:14:01 PM 4 10.96 0.00 1.14 0.70 0.07 87.13 05:14:01 PM 5 14.17 0.00 1.46 0.95 0.07 83.36 05:14:01 PM 6 19.81 0.00 1.49 1.65 0.07 76.98 05:14:01 PM 7 18.19 0.00 1.94 0.37 0.08 79.41 05:15:01 PM all 33.53 0.00 1.79 0.90 0.08 63.70 05:15:01 PM 0 47.16 0.00 1.00 0.40 0.07 51.36 05:15:01 PM 1 25.34 0.00 1.78 0.74 0.08 72.06 05:15:01 PM 2 36.47 0.00 1.27 0.34 0.08 61.84 05:15:01 PM 3 27.45 0.00 2.23 2.05 0.07 68.21 05:15:01 PM 4 30.92 0.00 1.83 0.71 0.08 66.47 05:15:01 PM 5 28.80 0.00 2.03 0.66 0.08 68.43 05:15:01 PM 6 33.80 0.00 1.84 1.49 0.08 62.78 05:15:01 PM 7 38.26 0.00 2.37 0.84 0.08 58.45 05:16:01 PM all 12.10 0.00 2.59 0.63 0.07 84.62 05:16:01 PM 0 12.50 0.00 2.26 0.55 0.08 84.60 05:16:01 PM 1 8.31 0.00 3.05 0.67 0.07 87.90 05:16:01 PM 2 12.69 0.00 2.55 1.31 0.07 83.38 05:16:01 PM 3 18.31 0.00 2.48 0.27 0.07 78.88 05:16:01 PM 4 9.89 0.00 2.72 0.42 0.07 86.91 05:16:01 PM 5 12.47 0.00 2.89 0.82 0.07 83.76 05:16:01 PM 6 12.46 0.00 2.33 0.40 0.05 84.76 05:16:01 PM 7 10.14 0.00 2.43 0.57 0.07 86.79 Average: all 20.92 0.00 1.96 0.83 0.07 76.22 Average: 0 25.01 0.00 1.63 0.61 0.08 72.67 Average: 1 18.72 0.00 2.03 0.80 0.08 78.36 Average: 2 21.73 0.00 1.83 0.83 0.08 75.52 Average: 3 21.93 0.00 2.08 1.16 0.07 74.77 Average: 4 17.25 0.00 1.89 0.61 0.07 80.18 Average: 5 18.47 0.00 2.12 0.81 0.07 78.52 Average: 6 22.03 0.00 1.89 1.18 0.07 74.83 Average: 7 22.18 0.00 2.25 0.59 0.08 74.90