---> uname -a: Linux prd-centos8-docker-4c-4g-4553.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 766 12092 19 2902 14657 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:ff:bf:6a brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.73/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86160sec preferred_lft 86160sec inet6 fe80::f816:3eff:feff:bf6a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:3b:25:c2:a9 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) 08/06/2026 _x86_64_ (4 CPU) 13:22:23 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 198.68 14.98 183.70 3117.21 11037.73 01:25:01 PM 166.49 6.27 160.22 1080.49 16691.58 01:26:01 PM 28.37 1.52 26.86 92.90 713.88 Average: 131.18 7.59 123.59 1430.13 9480.58 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12763468 14869292 3375852 20.92 2688 2310808 1349276 7.85 189284 2784124 224776 01:25:01 PM 11259760 13635024 4879560 30.23 2688 2575848 2447444 14.24 255408 4195044 3104 01:26:01 PM 12346524 14977892 3792796 23.50 2688 2829736 1159396 6.75 532340 2835236 270080 Average: 12123251 14494069 4016069 24.88 2688 2572131 1652039 9.61 325677 3271468 165987 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 172.69 137.24 2046.46 30.75 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 20.58 20.58 4.37 4.37 0.00 0.00 0.00 0.00 01:25:01 PM eth0 347.14 243.66 3714.62 49.86 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 8.73 8.73 1.73 1.73 0.00 0.00 0.00 0.00 01:26:01 PM eth0 62.75 72.13 269.32 923.31 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 9.77 9.77 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 194.18 151.01 2010.04 334.67 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) 08/06/2026 _x86_64_ (4 CPU) 13:22:23 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 25.66 0.00 2.53 1.05 0.09 70.67 01:24:01 PM 0 20.57 0.00 2.26 1.62 0.10 75.45 01:24:01 PM 1 17.42 0.00 1.86 0.62 0.08 80.02 01:24:01 PM 2 34.50 0.00 3.63 1.15 0.10 60.62 01:24:01 PM 3 30.19 0.00 2.36 0.80 0.07 66.58 01:25:01 PM all 50.34 0.00 1.93 1.01 0.10 46.62 01:25:01 PM 0 57.46 0.00 1.22 0.58 0.10 40.63 01:25:01 PM 1 34.42 0.00 3.05 1.93 0.10 60.51 01:25:01 PM 2 63.50 0.00 0.60 0.42 0.08 35.40 01:25:01 PM 3 45.90 0.00 2.88 1.12 0.10 50.00 01:26:01 PM all 15.57 0.00 1.24 0.11 0.08 83.01 01:26:01 PM 0 8.08 0.00 1.07 0.08 0.05 90.72 01:26:01 PM 1 11.87 0.00 0.79 0.00 0.08 87.26 01:26:01 PM 2 32.09 0.00 1.74 0.07 0.08 66.02 01:26:01 PM 3 10.24 0.00 1.36 0.28 0.08 88.04 Average: all 30.52 0.00 1.90 0.72 0.09 66.77 Average: 0 28.69 0.00 1.52 0.76 0.08 68.94 Average: 1 21.23 0.00 1.90 0.85 0.09 75.94 Average: 2 43.38 0.00 1.99 0.55 0.09 54.00 Average: 3 28.77 0.00 2.20 0.74 0.08 68.21