---> uname -a: Linux prd-centos8-docker-4c-4g-10.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): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 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): 0-3 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1062 10778 20 3919 14348 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:ff:8c:54 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.244/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85935sec preferred_lft 85935sec inet6 fe80::f816:3eff:feff:8c54/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e5:f8:56:df 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:e5ff:fef8:56df/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) 09/08/2026 _x86_64_ (4 CPU) 15:19:19 LINUX RESTART (4 CPU) 03:20:01 PM tps rtps wtps bread/s bwrtn/s 03:21:01 PM 241.03 5.98 235.04 912.11 3856.19 03:22:01 PM 33.76 0.20 33.56 29.99 3179.66 03:23:01 PM 113.28 1.80 111.48 291.95 9096.30 03:24:01 PM 183.89 4.75 179.14 882.23 15040.58 03:25:01 PM 123.06 1.45 121.61 78.92 21942.68 03:26:01 PM 1221.66 95.12 1126.54 1697.83 29090.40 03:27:01 PM 67.09 23.76 43.34 475.57 2359.56 Average: 283.40 19.01 264.39 624.11 12080.87 03:20:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:21:01 PM 13526448 15077492 2612868 16.19 2688 1779488 1162352 6.76 137488 2163816 28152 03:22:01 PM 13418620 15058916 2720696 16.86 2688 1866924 1176832 6.85 139832 2260516 33200 03:23:01 PM 12832352 14830208 3306964 20.49 2688 2206168 1517924 8.83 154964 2758992 203544 03:24:01 PM 11432376 13679556 4706940 29.16 2688 2449444 2789900 16.23 208828 4070156 17408 03:25:01 PM 10849676 14117412 5289640 32.77 2688 3377696 1782276 10.37 353440 4309672 382180 03:26:01 PM 9024236 12614428 7115080 44.09 2688 3581012 1920852 11.18 403652 5779308 8 03:27:01 PM 11061800 14714780 5077516 31.46 2688 3638648 1195292 6.95 622464 3539492 24844 Average: 11735073 14298970 4404243 27.29 2688 2699911 1649347 9.60 288667 3554565 98477 03:20:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:21:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:21:01 PM eth0 132.23 99.02 322.79 26.43 0.00 0.00 0.00 0.00 03:21:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:22:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:22:01 PM eth0 340.24 215.64 659.94 17.01 0.00 0.00 0.00 0.00 03:22:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:23:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:23:01 PM eth0 197.05 130.58 1122.37 16.53 0.00 0.00 0.00 0.00 03:23:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:24:01 PM lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 03:24:01 PM eth0 526.47 374.00 3331.57 42.20 0.00 0.00 0.00 0.00 03:24:01 PM docker0 0.08 0.15 0.00 0.01 0.00 0.00 0.00 0.00 03:24:01 PM vethf771206 0.08 0.23 0.01 0.02 0.00 0.00 0.00 0.00 03:25:01 PM lo 6.13 6.13 4.59 4.59 0.00 0.00 0.00 0.00 03:25:01 PM eth0 597.87 374.50 3397.47 44.08 0.00 0.00 0.00 0.00 03:25:01 PM docker0 3.18 2.87 4.08 0.43 0.00 0.00 0.00 0.00 03:26:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:26:01 PM eth0 83.37 32.14 372.51 3.77 0.00 0.00 0.00 0.00 03:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:27:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:27:01 PM eth0 26.61 21.39 53.61 7.72 0.00 0.00 0.00 0.00 03:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.90 0.90 0.66 0.66 0.00 0.00 0.00 0.00 Average: eth0 271.98 178.18 1322.92 22.53 0.00 0.00 0.00 0.00 Average: docker0 0.47 0.43 0.58 0.06 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) 09/08/2026 _x86_64_ (4 CPU) 15:19:19 LINUX RESTART (4 CPU) 03:20:01 PM CPU %user %nice %system %iowait %steal %idle 03:21:01 PM all 6.29 0.00 1.13 0.92 0.02 91.65 03:21:01 PM 0 11.93 0.00 1.09 0.17 0.02 86.80 03:21:01 PM 1 4.54 0.00 1.89 2.95 0.02 90.60 03:21:01 PM 2 1.47 0.00 0.54 0.20 0.02 97.77 03:21:01 PM 3 7.18 0.00 1.00 0.35 0.02 91.45 03:22:01 PM all 3.86 0.00 0.44 0.30 0.02 95.38 03:22:01 PM 0 9.41 0.00 0.99 0.81 0.03 88.76 03:22:01 PM 1 0.55 0.00 0.15 0.13 0.02 99.15 03:22:01 PM 2 2.32 0.00 0.30 0.23 0.02 97.12 03:22:01 PM 3 3.19 0.00 0.32 0.03 0.02 96.44 03:23:01 PM all 17.18 0.00 1.76 0.47 0.03 80.57 03:23:01 PM 0 21.32 0.00 2.08 0.38 0.03 76.18 03:23:01 PM 1 8.01 0.00 1.00 0.33 0.02 90.63 03:23:01 PM 2 26.73 0.00 2.27 0.47 0.05 70.48 03:23:01 PM 3 12.62 0.00 1.67 0.69 0.02 85.01 03:24:01 PM all 26.80 0.00 2.09 1.00 0.04 70.07 03:24:01 PM 0 24.21 0.00 1.76 0.64 0.03 73.36 03:24:01 PM 1 27.18 0.00 1.98 0.52 0.03 70.29 03:24:01 PM 2 32.03 0.00 2.77 1.91 0.03 63.26 03:24:01 PM 3 23.77 0.00 1.88 0.94 0.05 73.36 03:25:01 PM all 32.21 0.09 6.28 0.74 0.04 60.64 03:25:01 PM 0 28.44 0.05 5.49 0.57 0.03 65.41 03:25:01 PM 1 30.01 0.05 5.22 0.57 0.03 64.12 03:25:01 PM 2 32.35 0.10 7.72 0.73 0.05 59.05 03:25:01 PM 3 38.04 0.17 6.67 1.10 0.03 53.99 03:26:01 PM all 34.22 0.00 6.01 7.41 0.05 52.31 03:26:01 PM 0 61.95 0.00 6.24 8.19 0.07 23.55 03:26:01 PM 1 24.66 0.00 5.80 8.33 0.05 61.16 03:26:01 PM 2 21.96 0.00 5.72 6.87 0.05 65.40 03:26:01 PM 3 28.31 0.00 6.26 6.24 0.03 59.15 03:27:01 PM all 26.17 0.00 2.06 0.65 0.04 71.08 03:27:01 PM 0 36.08 0.00 2.44 0.43 0.05 60.99 03:27:01 PM 1 24.36 0.00 1.82 1.04 0.03 72.75 03:27:01 PM 2 18.78 0.00 1.94 0.32 0.03 78.93 03:27:01 PM 3 25.48 0.00 2.04 0.80 0.03 71.65 Average: all 20.93 0.01 2.81 1.64 0.03 74.58 Average: 0 27.59 0.01 2.86 1.59 0.04 67.91 Average: 1 17.02 0.01 2.54 1.98 0.03 78.43 Average: 2 19.36 0.01 3.03 1.53 0.04 76.04 Average: 3 19.76 0.02 2.82 1.45 0.03 75.92