---> uname -a: Linux prd-centos8-docker-4c-4g-8914.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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 813 12037 19 2909 14609 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:a9:ef:a5 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.46/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86144sec preferred_lft 86144sec inet6 fe80::f816:3eff:fea9:efa5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:6f:9a:d4:3b 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) 07/11/2026 _x86_64_ (4 CPU) 13:22:24 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 189.42 14.96 174.46 3221.46 10832.22 01:25:01 PM 183.12 6.23 176.89 1055.61 17353.71 01:26:01 PM 31.40 1.45 29.95 91.69 708.16 Average: 134.65 7.54 127.11 1456.18 9632.65 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12730716 14841624 3408604 21.12 2688 2316684 1404800 8.17 188512 2822604 238496 01:25:01 PM 11337040 13720376 4802280 29.76 2688 2584008 2372884 13.81 256108 4121904 3064 01:26:01 PM 12380704 15013072 3758616 23.29 2688 2831136 1206144 7.02 353004 2982852 263192 Average: 12149487 14525024 3989833 24.72 2688 2577276 1661276 9.67 265875 3309120 168251 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 164.93 129.39 2110.01 29.13 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 13.94 13.94 3.60 3.60 0.00 0.00 0.00 0.00 01:25:01 PM eth0 349.43 217.03 3742.17 53.85 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 14.89 14.89 2.46 2.46 0.00 0.00 0.00 0.00 01:26:01 PM eth0 79.39 74.00 274.04 927.36 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 Average: lo 9.61 9.61 2.02 2.02 0.00 0.00 0.00 0.00 Average: eth0 197.95 140.15 2042.36 336.73 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) 07/11/2026 _x86_64_ (4 CPU) 13:22:24 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 25.77 0.00 2.40 1.07 0.09 70.67 01:24:01 PM 0 25.77 0.00 2.48 1.22 0.08 70.45 01:24:01 PM 1 18.79 0.00 2.09 0.94 0.08 78.10 01:24:01 PM 2 16.76 0.00 1.99 1.24 0.08 79.93 01:24:01 PM 3 41.76 0.00 3.04 0.87 0.10 54.23 01:25:01 PM all 50.51 0.00 1.90 0.96 0.10 46.53 01:25:01 PM 0 60.29 0.00 1.07 0.28 0.13 38.22 01:25:01 PM 1 56.82 0.00 0.90 0.82 0.10 41.36 01:25:01 PM 2 45.89 0.00 2.79 1.67 0.10 49.54 01:25:01 PM 3 39.01 0.00 2.83 1.05 0.08 57.03 01:26:01 PM all 14.71 0.00 1.14 0.13 0.07 83.95 01:26:01 PM 0 12.48 0.00 0.65 0.00 0.05 86.82 01:26:01 PM 1 20.86 0.00 0.97 0.08 0.07 78.02 01:26:01 PM 2 7.76 0.00 1.37 0.17 0.10 90.60 01:26:01 PM 3 17.74 0.00 1.59 0.25 0.07 80.36 Average: all 30.33 0.00 1.81 0.72 0.09 67.05 Average: 0 32.85 0.00 1.40 0.50 0.09 65.16 Average: 1 32.17 0.00 1.32 0.61 0.08 65.82 Average: 2 23.47 0.00 2.05 1.03 0.09 73.36 Average: 3 32.83 0.00 2.48 0.72 0.08 63.88