---> uname -a: Linux prd-centos8-docker-4c-4g-3.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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 773 12080 20 2907 14648 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:73:5d:12 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.228/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86068sec preferred_lft 86068sec inet6 fe80::f816:3eff:fe73:5d12/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:fc:c2:ad:00 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) 11/02/2026 _x86_64_ (4 CPU) 09:20:46 LINUX RESTART (4 CPU) 09:22:01 AM tps rtps wtps bread/s bwrtn/s 09:23:01 AM 106.15 0.20 105.95 29.99 10106.35 09:24:01 AM 114.26 14.76 99.50 3253.45 9191.65 09:25:01 AM 142.16 3.81 138.35 820.12 8109.93 09:26:01 AM 40.77 2.87 37.90 255.91 2015.74 Average: 100.84 5.41 95.43 1089.86 7355.95 09:22:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:23:01 AM 13139472 15029740 2999844 18.59 2688 2102556 1165460 6.78 153504 2472216 144172 09:24:01 AM 12798532 14903328 3340784 20.70 2688 2310740 1352948 7.87 183236 2753444 21280 09:25:01 AM 11784224 14152460 4355092 26.98 2688 2569028 2091932 12.17 223104 3707272 46844 09:26:01 AM 12421348 15041092 3717968 23.04 2688 2818808 1119260 6.51 520544 2770532 247576 Average: 12535894 14781655 3603422 22.33 2688 2450283 1432400 8.33 270097 2925866 114968 09:22:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:23:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:23:01 AM eth0 96.48 61.55 1211.79 20.27 0.00 0.00 0.00 0.00 09:23:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:24:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:24:01 AM eth0 86.44 70.04 836.67 29.82 0.00 0.00 0.00 0.00 09:24:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:25:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:25:01 AM eth0 321.44 261.32 3720.69 45.87 0.00 0.00 0.00 0.00 09:25:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:26:01 AM lo 31.71 31.71 8.28 8.28 0.00 0.00 0.00 0.00 09:26:01 AM eth0 104.92 76.04 300.60 55.07 0.00 0.00 0.00 0.00 09:26:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 7.93 7.93 2.07 2.07 0.00 0.00 0.00 0.00 Average: eth0 152.33 117.24 1517.53 37.76 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) 11/02/2026 _x86_64_ (4 CPU) 09:20:46 LINUX RESTART (4 CPU) 09:22:01 AM CPU %user %nice %system %iowait %steal %idle 09:23:01 AM all 12.80 0.00 1.26 0.52 0.02 85.41 09:23:01 AM 0 17.83 0.00 2.12 0.88 0.02 79.15 09:23:01 AM 1 14.11 0.00 1.10 0.32 0.02 84.45 09:23:01 AM 2 7.92 0.00 0.92 0.43 0.02 90.71 09:23:01 AM 3 11.33 0.00 0.89 0.43 0.02 87.33 09:24:01 AM all 15.33 0.00 1.71 0.70 0.00 82.25 09:24:01 AM 0 16.26 0.00 1.89 0.85 0.02 80.99 09:24:01 AM 1 15.57 0.00 1.97 0.92 0.00 81.54 09:24:01 AM 2 17.55 0.00 1.22 0.27 0.00 80.96 09:24:01 AM 3 11.93 0.00 1.77 0.75 0.00 85.54 09:25:01 AM all 24.72 0.00 1.67 0.77 0.02 72.82 09:25:01 AM 0 24.74 0.00 1.84 0.67 0.02 72.73 09:25:01 AM 1 22.45 0.00 1.96 0.87 0.02 74.71 09:25:01 AM 2 26.20 0.00 1.91 1.23 0.03 70.63 09:25:01 AM 3 25.50 0.00 0.99 0.30 0.02 73.20 09:26:01 AM all 37.62 0.00 1.90 0.18 0.02 60.27 09:26:01 AM 0 37.39 0.00 1.81 0.15 0.00 60.65 09:26:01 AM 1 43.15 0.00 1.59 0.02 0.03 55.21 09:26:01 AM 2 43.02 0.00 1.94 0.23 0.03 54.77 09:26:01 AM 3 26.91 0.00 2.28 0.33 0.02 70.47 Average: all 22.61 0.00 1.64 0.54 0.02 75.19 Average: 0 24.05 0.00 1.91 0.64 0.01 73.38 Average: 1 23.82 0.00 1.65 0.53 0.02 73.98 Average: 2 23.67 0.00 1.50 0.54 0.02 74.27 Average: 3 18.92 0.00 1.48 0.46 0.01 79.13