---> uname -a: Linux prd-centos8-docker-4c-4g-4820.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 818 12039 19 2902 14604 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:9d:94:e0 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.198/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86153sec preferred_lft 86153sec inet6 fe80::f816:3eff:fe9d:94e0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d4:a4:0c:65 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) 08/07/2026 _x86_64_ (4 CPU) 13:23:00 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 273.63 16.53 257.09 3926.87 16262.64 01:26:01 PM 56.84 4.55 52.29 346.74 8726.38 01:27:01 PM 45.65 1.63 44.02 122.89 9465.11 Average: 125.41 7.57 117.84 1466.11 11485.92 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 12014988 14368852 4124324 25.55 2688 2555420 1744184 10.15 216392 3488144 242564 01:26:01 PM 11282828 13657536 4856484 30.09 2688 2575460 2415072 14.05 255684 4170564 880 01:27:01 PM 12343092 14976008 3796220 23.52 2688 2830876 1171796 6.82 541188 2827596 15228 Average: 11880303 14334132 4259009 26.39 2688 2653919 1777017 10.34 337755 3495435 86224 01:24:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 465.67 321.56 4851.77 60.11 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 24.05 24.05 4.98 4.98 0.00 0.00 0.00 0.00 01:26:01 PM eth0 31.33 26.53 101.58 18.20 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 5.03 5.03 1.11 1.11 0.00 0.00 0.00 0.00 01:27:01 PM eth0 71.79 74.91 279.71 927.99 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 9.69 9.69 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 189.67 141.05 1745.13 335.39 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) 08/07/2026 _x86_64_ (4 CPU) 13:23:00 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 34.80 0.00 2.98 1.53 0.10 60.60 01:25:01 PM 0 35.66 0.00 3.23 1.96 0.10 59.05 01:25:01 PM 1 31.81 0.00 2.23 1.54 0.10 64.32 01:25:01 PM 2 36.10 0.00 3.99 1.56 0.10 58.25 01:25:01 PM 3 35.64 0.00 2.46 1.05 0.10 60.75 01:26:01 PM all 37.54 0.00 1.01 0.32 0.09 61.05 01:26:01 PM 0 25.33 0.00 1.35 0.50 0.08 72.73 01:26:01 PM 1 36.45 0.00 1.49 0.42 0.08 61.57 01:26:01 PM 2 44.05 0.00 0.68 0.22 0.10 54.95 01:26:01 PM 3 44.33 0.00 0.50 0.15 0.08 54.94 01:27:01 PM all 21.51 0.00 1.83 0.27 0.06 76.34 01:27:01 PM 0 14.93 0.00 1.45 0.03 0.05 83.53 01:27:01 PM 1 35.46 0.00 2.51 0.03 0.07 61.93 01:27:01 PM 2 20.20 0.00 1.99 0.95 0.07 76.79 01:27:01 PM 3 15.45 0.00 1.35 0.05 0.05 83.10 Average: all 31.28 0.00 1.94 0.70 0.08 65.99 Average: 0 25.30 0.00 2.01 0.83 0.08 71.78 Average: 1 34.57 0.00 2.07 0.66 0.08 62.61 Average: 2 33.45 0.00 2.22 0.91 0.09 63.33 Average: 3 31.81 0.00 1.44 0.42 0.08 66.26