---> uname -a: Linux prd-centos8-docker-4c-4g-4013.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 nrip_save 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 812 12038 19 2909 14610 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:d4:e3:e7 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.77/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86099sec preferred_lft 86099sec inet6 fe80::f816:3eff:fed4:e3e7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:db:36:c5:5a 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) 06/30/2026 _x86_64_ (4 CPU) 13:22:23 LINUX RESTART (4 CPU) 01:23:03 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 168.82 15.62 153.21 3337.06 10939.19 01:25:01 PM 136.76 0.00 136.76 0.00 11016.20 01:26:01 PM 72.80 6.22 66.59 1056.09 6716.36 01:27:01 PM 37.14 3.15 33.99 140.11 846.79 Average: 103.34 6.17 97.17 1114.89 7349.88 01:23:03 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12850264 14952824 3289048 20.38 2688 2309544 1484548 8.64 187364 2704784 232964 01:25:01 PM 12474496 14777228 3664816 22.71 2688 2505808 1401456 8.15 192712 3057228 137556 01:26:01 PM 11297100 13679356 4842212 30.00 2688 2583096 2440648 14.20 255716 4157732 1756 01:27:01 PM 12358168 14991828 3781144 23.43 2688 2832748 1182812 6.88 531836 2824272 264504 Average: 12245007 14600309 3894305 24.13 2688 2557799 1627366 9.47 291907 3186004 159195 01:23:03 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 159.79 117.36 2103.65 26.69 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 245.69 188.47 3161.25 23.09 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 21.55 21.55 4.50 4.50 0.00 0.00 0.00 0.00 01:26:01 PM eth0 151.57 79.15 662.20 42.11 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 7.58 7.58 1.58 1.58 0.00 0.00 0.00 0.00 01:27:01 PM eth0 66.94 72.19 275.57 926.61 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 7.34 7.34 1.53 1.53 0.00 0.00 0.00 0.00 Average: eth0 155.97 114.27 1546.05 256.53 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) 06/30/2026 _x86_64_ (4 CPU) 13:22:23 LINUX RESTART (4 CPU) 01:23:03 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 24.46 0.00 2.42 0.82 0.09 72.20 01:24:01 PM 0 30.18 0.00 3.37 0.76 0.10 65.58 01:24:01 PM 1 18.08 0.00 1.64 0.76 0.09 79.43 01:24:01 PM 2 25.81 0.00 2.91 1.44 0.10 69.73 01:24:01 PM 3 23.78 0.00 1.75 0.33 0.07 74.08 01:25:01 PM all 7.73 0.00 1.04 0.73 0.05 90.45 01:25:01 PM 0 5.94 0.00 0.92 0.58 0.05 92.51 01:25:01 PM 1 9.17 0.00 0.85 0.27 0.07 89.65 01:25:01 PM 2 6.87 0.00 1.20 1.17 0.03 90.73 01:25:01 PM 3 8.95 0.00 1.19 0.89 0.07 88.91 01:26:01 PM all 48.69 0.00 1.38 0.46 0.09 49.38 01:26:01 PM 0 60.02 0.00 0.68 0.48 0.10 38.71 01:26:01 PM 1 42.53 0.00 1.94 0.47 0.08 54.97 01:26:01 PM 2 55.91 0.00 1.54 0.65 0.10 41.81 01:26:01 PM 3 36.26 0.00 1.35 0.23 0.08 62.07 01:27:01 PM all 16.36 0.00 1.40 0.14 0.08 82.03 01:27:01 PM 0 16.81 0.00 1.48 0.03 0.07 81.61 01:27:01 PM 1 13.17 0.00 0.95 0.02 0.08 85.78 01:27:01 PM 2 17.41 0.00 1.27 0.07 0.08 81.17 01:27:01 PM 3 18.05 0.00 1.89 0.43 0.08 79.54 Average: all 24.31 0.00 1.55 0.53 0.08 73.53 Average: 0 28.22 0.00 1.60 0.46 0.08 69.64 Average: 1 20.76 0.00 1.34 0.38 0.08 77.44 Average: 2 26.52 0.00 1.72 0.83 0.08 70.86 Average: 3 21.74 0.00 1.54 0.47 0.08 76.17