---> uname -a: Linux prd-centos8-docker-4c-4g-13060.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 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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 833 12132 19 2794 14588 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:68:2c:1d brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.114/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86057sec preferred_lft 86057sec inet6 fe80::f816:3eff:fe68:2c1d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c9:c7:c8:12 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) 08/17/2026 _x86_64_ (4 CPU) 05:18:43 LINUX RESTART (4 CPU) 05:19:01 AM tps rtps wtps bread/s bwrtn/s 05:20:01 AM 245.88 12.45 233.43 1931.14 8974.75 05:21:01 AM 245.98 21.84 224.14 4136.75 17674.64 05:22:01 AM 47.20 0.05 47.15 1.07 8138.40 05:23:01 AM 3.58 0.00 3.58 0.00 214.51 05:24:01 AM 8.97 2.87 6.10 174.90 405.17 Average: 110.32 7.44 102.88 1248.83 7081.88 05:19:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:20:01 AM 13032572 14970248 3106740 19.25 2688 2146436 1242296 7.23 160964 2566392 289656 05:21:01 AM 11609032 13903128 4530280 28.07 2688 2494872 2331580 13.57 235496 3864816 52008 05:22:01 AM 10037952 12513124 6101360 37.80 2688 2674060 3335764 19.41 261636 5403168 2252 05:23:01 AM 9692476 12173816 6446836 39.94 2688 2680052 3656940 21.28 263344 5744852 4776 05:24:01 AM 12423260 14928044 3716052 23.02 2688 2702472 1223172 7.12 458432 2825284 23156 Average: 11359058 13697672 4780254 29.62 2688 2539578 2357950 13.72 275974 4080902 74370 05:19:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:20:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 AM eth0 268.24 164.46 1904.11 59.93 0.00 0.00 0.00 0.00 05:20:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM eth0 258.13 223.58 2897.39 38.25 0.00 0.00 0.00 0.00 05:21:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:22:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:22:01 AM eth0 305.78 192.52 2836.14 63.27 0.00 0.00 0.00 0.00 05:22:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:23:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:23:01 AM eth0 208.13 138.84 59.12 66.81 0.00 0.00 0.00 0.00 05:23:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:24:01 AM lo 6.78 6.78 0.81 0.81 0.00 0.00 0.00 0.00 05:24:01 AM eth0 26.01 22.30 11.58 11.29 0.00 0.00 0.00 0.00 05:24:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.36 1.36 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 213.26 148.34 1541.76 47.91 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) 08/17/2026 _x86_64_ (4 CPU) 05:18:43 LINUX RESTART (4 CPU) 05:19:01 AM CPU %user %nice %system %iowait %steal %idle 05:20:01 AM all 23.18 0.00 2.58 1.12 0.08 73.03 05:20:01 AM 0 20.22 0.00 1.59 0.43 0.08 77.67 05:20:01 AM 1 26.72 0.00 3.04 0.62 0.08 69.54 05:20:01 AM 2 26.27 0.00 2.88 0.89 0.08 69.88 05:20:01 AM 3 19.50 0.00 2.83 2.56 0.07 75.04 05:21:01 AM all 49.09 0.00 2.39 1.38 0.11 47.03 05:21:01 AM 0 48.04 0.00 1.82 0.69 0.10 49.35 05:21:01 AM 1 49.36 0.00 1.89 1.46 0.10 47.20 05:21:01 AM 2 43.41 0.00 2.93 1.61 0.12 51.93 05:21:01 AM 3 55.54 0.00 2.91 1.79 0.12 39.65 05:22:01 AM all 51.90 0.00 1.49 0.23 0.10 46.28 05:22:01 AM 0 37.76 0.00 2.17 0.45 0.10 59.52 05:22:01 AM 1 59.91 0.00 0.90 0.30 0.10 38.79 05:22:01 AM 2 57.43 0.00 1.37 0.00 0.10 41.10 05:22:01 AM 3 52.47 0.00 1.54 0.17 0.08 45.74 05:23:01 AM all 19.77 0.00 1.15 0.02 0.07 78.99 05:23:01 AM 0 13.72 0.00 1.34 0.00 0.07 84.88 05:23:01 AM 1 16.46 0.00 1.07 0.00 0.07 82.41 05:23:01 AM 2 14.94 0.00 0.87 0.02 0.07 84.10 05:23:01 AM 3 33.97 0.00 1.32 0.05 0.08 64.58 05:24:01 AM all 53.51 0.00 1.44 0.04 0.10 44.91 05:24:01 AM 0 58.62 0.00 2.07 0.07 0.10 39.14 05:24:01 AM 1 37.42 0.00 1.19 0.00 0.10 61.29 05:24:01 AM 2 50.43 0.00 0.97 0.02 0.08 48.50 05:24:01 AM 3 67.57 0.00 1.55 0.07 0.10 30.71 Average: all 39.49 0.00 1.81 0.56 0.09 58.05 Average: 0 35.67 0.00 1.80 0.33 0.09 62.11 Average: 1 37.97 0.00 1.62 0.47 0.09 59.85 Average: 2 38.50 0.00 1.80 0.50 0.09 59.10 Average: 3 45.82 0.00 2.03 0.93 0.09 51.14