---> uname -a: Linux prd-centos8-docker-4c-4g-1053.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: 2800.012 BogoMIPS: 5600.02 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 757 12093 20 2909 14664 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:d6:53:dc brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.166/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86122sec preferred_lft 86122sec inet6 fe80::f816:3eff:fed6:53dc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:82:8a:01:46 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) 11/05/2026 _x86_64_ (4 CPU) 08:10:15 LINUX RESTART (4 CPU) 08:11:01 AM tps rtps wtps bread/s bwrtn/s 08:12:01 AM 192.48 6.13 186.35 949.98 5944.64 08:13:01 AM 102.68 14.58 88.10 3202.80 8121.74 08:14:01 AM 215.73 5.88 209.85 1043.21 15511.89 08:15:01 AM 56.60 1.30 55.30 81.57 10996.98 Average: 141.87 6.97 134.90 1319.39 10144.21 08:11:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:12:01 AM 13394736 15133356 2744580 17.01 2688 1956436 1088480 6.33 137996 2254552 136776 08:13:01 AM 12835380 14912352 3303936 20.47 2688 2284900 1440724 8.38 153276 2760572 191516 08:14:01 AM 11383788 13760068 4755528 29.47 2688 2577180 2569232 14.95 248600 4077172 46680 08:15:01 AM 12453752 15084544 3685564 22.84 2688 2829376 1097088 6.38 536244 2721164 7188 Average: 12516914 14722580 3622402 22.44 2688 2411973 1548881 9.01 269029 2953365 95540 08:11:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:12:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:12:01 AM eth0 103.58 61.36 1028.36 22.28 0.00 0.00 0.00 0.00 08:12:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:13:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:13:01 AM eth0 82.96 54.38 924.59 11.68 0.00 0.00 0.00 0.00 08:13:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:14:01 AM lo 4.45 4.45 0.50 0.50 0.00 0.00 0.00 0.00 08:14:01 AM eth0 324.12 272.76 4058.85 48.73 0.00 0.00 0.00 0.00 08:14:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:15:01 AM lo 34.92 34.92 26.66 26.66 0.00 0.00 0.00 0.00 08:15:01 AM eth0 146.48 114.08 301.23 78.47 0.00 0.00 0.00 0.00 08:15:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.84 9.84 6.79 6.79 0.00 0.00 0.00 0.00 Average: eth0 164.30 125.65 1578.38 40.29 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) 11/05/2026 _x86_64_ (4 CPU) 08:10:15 LINUX RESTART (4 CPU) 08:11:01 AM CPU %user %nice %system %iowait %steal %idle 08:12:01 AM all 11.19 0.00 1.43 0.98 0.00 86.39 08:12:01 AM 0 11.27 0.00 1.15 0.52 0.02 87.05 08:12:01 AM 1 8.15 0.00 1.02 0.42 0.00 90.42 08:12:01 AM 2 8.45 0.00 1.17 0.22 0.00 90.17 08:12:01 AM 3 16.92 0.00 2.39 2.77 0.00 77.92 08:13:01 AM all 12.54 0.00 1.23 0.67 0.00 85.56 08:13:01 AM 0 18.04 0.00 1.69 0.48 0.00 79.79 08:13:01 AM 1 12.76 0.00 1.59 1.35 0.00 84.30 08:13:01 AM 2 7.23 0.00 0.79 0.45 0.00 91.54 08:13:01 AM 3 12.11 0.00 0.87 0.40 0.00 86.62 08:14:01 AM all 51.64 0.00 2.68 1.10 0.02 44.56 08:14:01 AM 0 48.93 0.00 3.06 1.04 0.03 46.94 08:14:01 AM 1 43.41 0.00 3.67 1.74 0.02 51.16 08:14:01 AM 2 59.25 0.00 1.91 0.92 0.02 37.91 08:14:01 AM 3 54.96 0.00 2.07 0.70 0.02 42.25 08:15:01 AM all 26.79 0.00 3.24 0.37 0.01 69.58 08:15:01 AM 0 22.57 0.00 3.27 0.35 0.02 73.79 08:15:01 AM 1 15.68 0.00 4.16 0.64 0.02 79.50 08:15:01 AM 2 24.94 0.00 1.92 0.10 0.02 73.02 08:15:01 AM 3 43.95 0.00 3.61 0.40 0.00 52.04 Average: all 25.53 0.00 2.15 0.78 0.01 71.53 Average: 0 25.19 0.00 2.29 0.60 0.02 71.90 Average: 1 19.99 0.00 2.61 1.04 0.01 76.36 Average: 2 24.97 0.00 1.45 0.42 0.01 73.15 Average: 3 31.98 0.00 2.23 1.07 0.00 64.71