---> uname -a: Linux prd-centos8-docker-4c-4g-594.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 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 819 12037 20 2904 14603 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:8d:b9:57 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.110/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86127sec preferred_lft 86127sec inet6 fe80::f816:3eff:fe8d:b957/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:75:23:36:c6 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) 09/10/2026 _x86_64_ (4 CPU) 13:22:43 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 263.28 92.59 170.69 11728.77 41837.97 01:25:01 PM 246.85 14.83 232.02 3114.83 16105.03 01:26:01 PM 88.12 6.25 81.87 1080.04 9294.37 01:27:01 PM 28.98 1.70 27.28 124.11 686.19 Average: 156.81 28.84 127.97 4012.10 16981.57 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13410888 15146276 2728428 16.91 2688 1953152 1086916 6.32 137204 2238916 156812 01:25:01 PM 12475348 14782192 3663968 22.70 2688 2510012 1395096 8.12 193628 3052328 222992 01:26:01 PM 11301120 13677704 4838196 29.98 2688 2578080 2801400 16.30 255076 4152992 1712 01:27:01 PM 12313556 14942276 3825760 23.70 2688 2828236 1201872 6.99 531852 2867792 263632 Average: 12375228 14637112 3764088 23.32 2688 2467370 1621321 9.43 279440 3078007 161287 01:23:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 PM eth0 320.19 187.24 1617.15 67.01 0.00 0.00 0.00 0.00 01:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM eth0 377.92 284.84 4543.11 45.64 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 22.11 22.11 4.57 4.57 0.00 0.00 0.00 0.00 01:26:01 PM eth0 188.85 87.57 526.04 51.53 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 PM lo 7.13 7.13 1.54 1.54 0.00 0.00 0.00 0.00 01:27:01 PM eth0 70.70 77.62 273.87 930.23 0.00 0.00 0.00 0.00 01:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 7.31 7.31 1.53 1.53 0.00 0.00 0.00 0.00 Average: eth0 239.43 159.32 1740.10 273.57 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) 09/10/2026 _x86_64_ (4 CPU) 13:22:43 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 22.51 0.00 3.65 5.92 0.03 67.89 01:24:01 PM 0 18.39 0.00 2.81 5.89 0.02 72.89 01:24:01 PM 1 21.79 0.00 2.88 4.31 0.02 71.00 01:24:01 PM 2 17.26 0.00 3.73 6.92 0.03 72.06 01:24:01 PM 3 32.61 0.00 5.16 6.57 0.03 55.62 01:25:01 PM all 25.74 0.00 2.75 2.94 0.05 68.52 01:25:01 PM 0 19.25 0.00 2.29 2.81 0.05 75.59 01:25:01 PM 1 41.90 0.00 3.79 2.99 0.05 51.26 01:25:01 PM 2 21.98 0.00 2.33 2.13 0.05 73.51 01:25:01 PM 3 19.77 0.00 2.57 3.84 0.05 73.77 01:26:01 PM all 46.25 0.00 1.46 1.52 0.03 50.74 01:26:01 PM 0 50.84 0.00 1.12 1.17 0.02 46.85 01:26:01 PM 1 44.02 0.00 2.10 1.77 0.03 52.07 01:26:01 PM 2 34.33 0.00 2.11 3.13 0.05 60.38 01:26:01 PM 3 55.77 0.00 0.52 0.00 0.03 43.68 01:27:01 PM all 17.27 0.00 1.58 0.15 0.02 80.99 01:27:01 PM 0 15.34 0.00 1.32 0.10 0.05 83.19 01:27:01 PM 1 8.93 0.00 1.29 0.33 0.00 89.45 01:27:01 PM 2 23.74 0.00 1.99 0.08 0.02 74.17 01:27:01 PM 3 21.04 0.00 1.72 0.07 0.02 77.15 Average: all 27.95 0.00 2.36 2.63 0.03 67.03 Average: 0 25.96 0.00 1.89 2.49 0.03 69.63 Average: 1 29.17 0.00 2.52 2.35 0.03 65.94 Average: 2 24.34 0.00 2.54 3.06 0.04 70.03 Average: 3 32.32 0.00 2.49 2.61 0.03 62.54