---> uname -a: Linux prd-centos8-docker-4c-4g-3270.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 823 12035 19 2901 14600 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:08:36:25 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.135/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86156sec preferred_lft 86156sec inet6 fe80::f816:3eff:fe08:3625/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c0:21:8a:09 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) 05/24/2026 _x86_64_ (4 CPU) 13:22:27 LINUX RESTART (4 CPU) 01:23:02 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 179.99 15.50 164.49 3201.36 10724.03 01:25:01 PM 200.25 6.27 193.98 1080.35 17538.13 01:26:01 PM 34.11 3.03 31.08 110.11 758.27 Average: 137.89 8.23 129.66 1454.33 9667.67 01:23:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12805252 14902260 3334068 20.66 2688 2303584 1489024 8.66 186444 2752836 237148 01:25:01 PM 11330352 13704764 4808968 29.80 2688 2575076 2407924 14.01 254820 4124660 2380 01:26:01 PM 12362812 14987568 3776508 23.40 2688 2823388 1158456 6.74 525800 2825696 263276 Average: 12166139 14531531 3973181 24.62 2688 2567349 1685135 9.80 322355 3234397 167601 01:23:02 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 166.45 124.87 2101.06 30.13 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 12.68 12.68 3.52 3.52 0.00 0.00 0.00 0.00 01:25:01 PM eth0 324.33 212.48 3783.53 48.96 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 16.05 16.05 2.55 2.55 0.00 0.00 0.00 0.00 01:26:01 PM eth0 65.29 73.15 274.54 931.99 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 Average: lo 9.63 9.63 2.04 2.04 0.00 0.00 0.00 0.00 Average: eth0 185.46 136.90 2052.78 338.72 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) 05/24/2026 _x86_64_ (4 CPU) 13:22:27 LINUX RESTART (4 CPU) 01:23:02 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 26.00 0.00 2.43 0.88 0.10 70.59 01:24:01 PM 0 36.30 0.00 3.10 0.51 0.10 59.98 01:24:01 PM 1 18.09 0.00 1.24 0.46 0.09 80.13 01:24:01 PM 2 16.77 0.00 2.11 1.09 0.09 79.95 01:24:01 PM 3 32.82 0.00 3.27 1.46 0.12 62.33 01:25:01 PM all 51.18 0.00 2.02 1.00 0.10 45.70 01:25:01 PM 0 55.10 0.00 1.87 1.05 0.10 41.87 01:25:01 PM 1 63.75 0.00 0.82 0.43 0.10 34.90 01:25:01 PM 2 37.66 0.00 3.08 1.32 0.10 57.84 01:25:01 PM 3 48.16 0.00 2.31 1.20 0.10 48.23 01:26:01 PM all 15.61 0.00 1.32 0.14 0.07 82.86 01:26:01 PM 0 18.58 0.00 1.14 0.18 0.07 80.03 01:26:01 PM 1 11.96 0.00 0.89 0.02 0.07 87.07 01:26:01 PM 2 10.94 0.00 1.14 0.07 0.07 87.79 01:26:01 PM 3 20.95 0.00 2.12 0.30 0.08 76.54 Average: all 30.95 0.00 1.92 0.67 0.09 66.36 Average: 0 36.66 0.00 2.03 0.58 0.09 60.64 Average: 1 31.35 0.00 0.98 0.30 0.08 67.28 Average: 2 21.81 0.00 2.11 0.82 0.08 75.18 Average: 3 33.98 0.00 2.56 0.99 0.10 62.37