---> uname -a: Linux prd-centos8-docker-4c-4g-3369.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 766 12095 20 2899 14656 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:92:be:e5 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.177/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86061sec preferred_lft 86061sec inet6 fe80::f816:3eff:fe92:bee5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:7c:c4:73:84 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) 10/19/2026 _x86_64_ (4 CPU) 13:22:30 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 251.24 63.30 187.94 8045.18 39544.03 01:25:01 PM 104.27 0.08 104.18 1.60 9692.15 01:26:01 PM 142.11 14.93 127.18 3116.68 8864.06 01:27:01 PM 126.30 6.27 120.03 1080.75 9867.89 01:28:01 PM 43.44 1.65 41.79 123.03 9522.56 Average: 133.47 17.25 116.23 2473.74 15499.54 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13541876 15100516 2597440 16.09 2688 1786544 1155532 6.72 135896 2147392 36040 01:25:01 PM 13211596 15044664 2927720 18.14 2688 2048248 1171352 6.81 147112 2414708 89312 01:26:01 PM 12698876 14838344 3440440 21.32 2688 2344116 1352784 7.87 190556 2840300 63016 01:27:01 PM 11241876 13612992 4897440 30.34 2688 2572548 2567940 14.94 255024 4215680 1380 01:28:01 PM 12341948 14970632 3797368 23.53 2688 2827900 1167660 6.79 533400 2839232 12136 Average: 12607234 14713430 3532082 21.88 2688 2315871 1483054 8.63 252398 2891462 40377 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 259.20 160.47 910.94 62.95 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 76.90 48.78 1150.79 6.97 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM eth0 156.41 135.53 1428.71 30.99 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 28.10 28.10 7.32 7.32 0.00 0.00 0.00 0.00 01:27:01 PM eth0 320.80 224.71 3150.86 64.59 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 01:28:01 PM lo 3.15 3.15 0.93 0.93 0.00 0.00 0.00 0.00 01:28:01 PM eth0 72.71 71.13 274.73 930.96 0.00 0.00 0.00 0.00 01:28:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 6.25 6.25 1.65 1.65 0.00 0.00 0.00 0.00 Average: eth0 177.21 128.12 1383.14 219.30 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) 10/19/2026 _x86_64_ (4 CPU) 13:22:30 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 15.04 0.00 2.70 1.94 0.01 80.31 01:24:01 PM 0 10.03 0.00 3.73 4.99 0.02 81.23 01:24:01 PM 1 21.78 0.00 2.56 0.90 0.02 74.74 01:24:01 PM 2 14.53 0.00 2.36 1.32 0.02 81.77 01:24:01 PM 3 13.81 0.00 2.16 0.55 0.00 83.48 01:25:01 PM all 11.17 0.00 1.10 0.52 0.01 87.21 01:25:01 PM 0 3.53 0.00 1.12 0.63 0.00 94.72 01:25:01 PM 1 12.67 0.00 0.94 0.52 0.02 85.86 01:25:01 PM 2 11.11 0.00 0.57 0.47 0.02 87.83 01:25:01 PM 3 17.37 0.00 1.77 0.45 0.02 80.39 01:26:01 PM all 17.93 0.00 1.89 0.89 0.02 79.26 01:26:01 PM 0 19.28 0.00 2.12 1.37 0.02 77.22 01:26:01 PM 1 16.39 0.00 1.41 0.82 0.02 81.37 01:26:01 PM 2 13.27 0.00 2.09 0.75 0.02 83.87 01:26:01 PM 3 22.78 0.00 1.96 0.64 0.03 74.60 01:27:01 PM all 46.20 0.00 1.85 0.63 0.03 51.29 01:27:01 PM 0 55.20 0.00 1.30 0.80 0.05 42.64 01:27:01 PM 1 55.73 0.00 1.12 0.18 0.03 42.93 01:27:01 PM 2 40.25 0.00 2.61 0.75 0.02 56.37 01:27:01 PM 3 33.60 0.00 2.36 0.79 0.02 63.23 01:28:01 PM all 18.78 0.00 1.74 0.31 0.02 79.15 01:28:01 PM 0 22.13 0.00 1.90 0.28 0.00 75.68 01:28:01 PM 1 29.55 0.00 1.54 0.08 0.03 68.79 01:28:01 PM 2 9.27 0.00 1.65 0.52 0.02 88.54 01:28:01 PM 3 14.14 0.00 1.87 0.37 0.02 83.61 Average: all 21.82 0.00 1.86 0.86 0.02 75.45 Average: 0 22.02 0.00 2.03 1.61 0.02 74.32 Average: 1 27.23 0.00 1.51 0.50 0.02 70.73 Average: 2 17.68 0.00 1.86 0.76 0.02 79.69 Average: 3 20.33 0.00 2.02 0.56 0.02 77.07