---> uname -a: Linux prd-centos8-docker-4c-4g-1389.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 766 12190 20 2804 14654 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:f4:cd:cb brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.140/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85958sec preferred_lft 85958sec inet6 fe80::f816:3eff:fef4:cdcb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:51:72:d4:ce 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) 11/06/2026 _x86_64_ (4 CPU) 13:41:09 LINUX RESTART (4 CPU) 01:42:01 PM tps rtps wtps bread/s bwrtn/s 01:43:01 PM 154.37 6.27 148.11 948.91 6946.66 01:44:01 PM 95.70 14.58 81.13 3202.53 7974.31 01:45:01 PM 186.00 7.83 178.17 1149.01 11392.43 01:46:01 PM 55.14 2.78 52.36 138.11 8421.95 01:47:01 PM 12.70 0.00 12.70 0.00 360.24 01:48:01 PM 9.67 0.13 9.53 3.20 287.97 Average: 85.60 5.27 80.33 907.09 5897.38 01:42:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:43:01 PM 13381980 15143832 2757336 17.08 2688 1978980 1091796 6.35 145628 2256492 136796 01:44:01 PM 12904508 15001644 3234808 20.04 2688 2304616 1438412 8.37 158948 2684088 189024 01:45:01 PM 11878356 14343172 4260960 26.40 2688 2665000 1686080 9.81 237128 3595308 222808 01:46:01 PM 9494632 11989680 6644684 41.17 2688 2693856 3991860 23.22 275372 5926312 4008 01:47:01 PM 9405132 11904104 6734184 41.73 2688 2697712 3975564 23.13 275492 6015204 1064 01:48:01 PM 11248056 13762664 4891260 30.31 2688 2712520 2211712 12.87 282348 4171964 18908 Average: 11385444 13690849 4753872 29.46 2688 2508781 2399237 13.96 229153 4108228 95435 01:42:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:43:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:43:01 PM eth0 96.75 60.17 1032.76 22.87 0.00 0.00 0.00 0.00 01:43:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:44:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:44:01 PM eth0 83.72 55.81 884.56 10.68 0.00 0.00 0.00 0.00 01:44:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:45:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:45:01 PM eth0 394.25 328.71 5044.43 50.71 0.00 0.00 0.00 0.00 01:45:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:46:01 PM lo 4.28 4.28 0.63 0.63 0.00 0.00 0.00 0.00 01:46:01 PM eth0 40.49 32.36 41.63 24.41 0.00 0.00 0.00 0.00 01:46:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:47:01 PM lo 2.50 2.50 0.20 0.20 0.00 0.00 0.00 0.00 01:47:01 PM eth0 344.01 238.54 136.61 132.13 0.00 0.00 0.00 0.00 01:47:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:48:01 PM lo 2.17 2.17 0.16 0.16 0.00 0.00 0.00 0.00 01:48:01 PM eth0 83.19 65.14 62.23 41.43 0.00 0.00 0.00 0.00 01:48:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.49 1.49 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 173.73 130.12 1200.35 47.04 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) 11/06/2026 _x86_64_ (4 CPU) 13:41:09 LINUX RESTART (4 CPU) 01:42:01 PM CPU %user %nice %system %iowait %steal %idle 01:43:01 PM all 11.95 0.00 1.37 1.06 0.00 85.62 01:43:01 PM 0 11.60 0.00 1.47 2.86 0.00 84.07 01:43:01 PM 1 5.40 0.00 0.97 0.38 0.00 93.25 01:43:01 PM 2 19.79 0.00 2.05 0.63 0.02 77.51 01:43:01 PM 3 11.01 0.00 0.99 0.37 0.00 87.64 01:44:01 PM all 11.07 0.00 1.00 0.46 0.02 87.45 01:44:01 PM 0 6.66 0.00 0.85 0.67 0.02 91.80 01:44:01 PM 1 7.17 0.00 0.88 0.62 0.02 91.31 01:44:01 PM 2 15.76 0.00 0.97 0.25 0.02 83.00 01:44:01 PM 3 14.70 0.00 1.29 0.30 0.02 83.70 01:45:01 PM all 49.36 0.00 2.30 1.20 0.02 47.12 01:45:01 PM 0 51.34 0.00 2.33 0.82 0.02 45.50 01:45:01 PM 1 45.99 0.00 2.64 1.05 0.00 50.31 01:45:01 PM 2 54.40 0.00 2.08 1.94 0.02 41.56 01:45:01 PM 3 45.69 0.00 2.16 1.00 0.03 51.11 01:46:01 PM all 64.47 0.00 1.61 0.22 0.02 33.68 01:46:01 PM 0 70.79 0.00 2.47 0.25 0.03 26.45 01:46:01 PM 1 56.11 0.00 1.82 0.60 0.02 41.45 01:46:01 PM 2 65.45 0.00 0.73 0.02 0.00 33.80 01:46:01 PM 3 65.51 0.00 1.42 0.02 0.03 33.02 01:47:01 PM all 20.29 0.00 1.79 0.02 0.01 77.89 01:47:01 PM 0 15.74 0.00 2.08 0.02 0.00 82.17 01:47:01 PM 1 21.72 0.00 1.86 0.02 0.02 76.39 01:47:01 PM 2 21.61 0.00 1.71 0.02 0.02 76.65 01:47:01 PM 3 22.08 0.00 1.54 0.02 0.02 76.35 01:48:01 PM all 42.31 0.00 1.53 0.03 0.01 56.12 01:48:01 PM 0 28.60 0.00 1.86 0.07 0.02 69.46 01:48:01 PM 1 47.04 0.00 0.83 0.02 0.02 52.09 01:48:01 PM 2 36.34 0.00 1.70 0.05 0.00 61.91 01:48:01 PM 3 57.23 0.00 1.72 0.00 0.02 41.04 Average: all 33.24 0.00 1.60 0.50 0.01 64.65 Average: 0 30.78 0.00 1.84 0.78 0.01 66.58 Average: 1 30.56 0.00 1.50 0.45 0.01 67.47 Average: 2 35.56 0.00 1.54 0.48 0.01 62.41 Average: 3 36.04 0.00 1.52 0.28 0.02 62.14