---> uname -a: Linux prd-centos8-docker-4c-4g-958.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: 2800.000 BogoMIPS: 5600.00 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 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 762 12208 20 2790 14658 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:d0:d1:ca brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.82/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86039sec preferred_lft 86039sec inet6 fe80::f816:3eff:fed0:d1ca/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:32:59:4c:8f 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 ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 10/12/2026 _x86_64_ (4 CPU) 16:16:06 LINUX RESTART (4 CPU) 04:17:01 PM tps rtps wtps bread/s bwrtn/s 04:18:01 PM 222.43 18.84 203.58 3464.45 12965.98 04:19:01 PM 116.36 3.12 113.25 765.74 11833.72 04:20:01 PM 26.61 0.00 26.61 0.00 6748.66 04:21:01 PM 5.30 1.70 3.60 51.05 216.71 04:22:01 PM 13.20 1.68 11.51 145.44 958.61 Average: 76.78 5.07 71.71 885.39 6544.91 04:17:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:18:01 PM 12648280 14856232 3491036 21.63 2688 2412440 1285004 7.48 167312 2916668 284108 04:19:01 PM 10933572 13396856 5205744 32.26 2688 2663360 2625872 15.28 259228 4512896 189868 04:20:01 PM 10033288 12500960 6106028 37.83 2688 2667624 3413652 19.86 260808 5409248 1088 04:21:01 PM 9150472 11627756 6988844 43.30 2688 2676812 4181080 24.33 264792 6285064 5020 04:22:01 PM 12573272 15080480 3566044 22.10 2688 2704740 1112088 6.47 472040 2662196 26492 Average: 11067777 13492457 5071539 31.42 2688 2624995 2523539 14.68 284836 4357214 101315 04:17:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:18:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:18:01 PM eth0 261.53 205.00 3144.57 33.75 0.00 0.00 0.00 0.00 04:18:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:19:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:19:01 PM eth0 236.34 188.79 3420.44 28.73 0.00 0.00 0.00 0.00 04:19:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:20:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:20:01 PM eth0 149.78 100.97 50.54 63.97 0.00 0.00 0.00 0.00 04:20:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:21:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:21:01 PM eth0 95.88 72.76 31.87 38.54 0.00 0.00 0.00 0.00 04:21:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:22:01 PM lo 6.73 6.73 0.82 0.82 0.00 0.00 0.00 0.00 04:22:01 PM eth0 26.13 22.46 53.37 10.02 0.00 0.00 0.00 0.00 04:22:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.35 1.35 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 153.94 118.00 1340.24 35.00 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 10/12/2026 _x86_64_ (4 CPU) 16:16:06 LINUX RESTART (4 CPU) 04:17:01 PM CPU %user %nice %system %iowait %steal %idle 04:18:01 PM all 24.84 0.00 2.40 1.47 0.01 71.29 04:18:01 PM 0 29.49 0.00 3.16 1.99 0.02 65.35 04:18:01 PM 1 26.30 0.00 2.26 1.67 0.02 69.75 04:18:01 PM 2 10.20 0.00 1.71 0.97 0.00 87.12 04:18:01 PM 3 33.33 0.00 2.46 1.24 0.02 62.95 04:19:01 PM all 64.26 0.00 1.90 0.52 0.02 33.30 04:19:01 PM 0 61.13 0.00 2.56 0.84 0.03 35.44 04:19:01 PM 1 66.36 0.00 1.57 0.58 0.02 31.47 04:19:01 PM 2 66.97 0.00 1.74 0.47 0.02 30.81 04:19:01 PM 3 62.57 0.00 1.74 0.20 0.02 35.48 04:20:01 PM all 28.24 0.00 1.50 0.20 0.01 70.05 04:20:01 PM 0 30.35 0.00 1.35 0.23 0.00 68.06 04:20:01 PM 1 32.41 0.00 1.20 0.07 0.02 66.31 04:20:01 PM 2 23.57 0.00 1.86 0.37 0.02 74.18 04:20:01 PM 3 26.61 0.00 1.59 0.12 0.02 71.67 04:21:01 PM all 32.45 0.00 1.36 0.03 0.03 66.14 04:21:01 PM 0 45.77 0.00 1.59 0.02 0.03 52.59 04:21:01 PM 1 33.02 0.00 1.52 0.07 0.02 65.38 04:21:01 PM 2 22.82 0.00 1.37 0.02 0.03 75.76 04:21:01 PM 3 28.19 0.00 0.95 0.00 0.02 70.84 04:22:01 PM all 46.62 0.00 1.83 0.07 0.03 51.45 04:22:01 PM 0 32.98 0.00 1.94 0.03 0.02 65.04 04:22:01 PM 1 67.35 0.00 2.50 0.07 0.05 30.03 04:22:01 PM 2 38.40 0.00 1.02 0.03 0.02 60.53 04:22:01 PM 3 47.74 0.00 1.85 0.13 0.05 50.22 Average: all 39.28 0.00 1.80 0.46 0.02 58.44 Average: 0 39.94 0.00 2.12 0.62 0.02 57.30 Average: 1 45.09 0.00 1.81 0.49 0.02 52.59 Average: 2 32.41 0.00 1.54 0.37 0.02 65.67 Average: 3 39.69 0.00 1.72 0.34 0.02 58.23