---> uname -a: Linux prd-centos8-docker-4c-4g-9380.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 816 12033 19 2911 14607 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:16:89:d2 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 86143sec preferred_lft 86143sec inet6 fe80::f816:3eff:fe16:89d2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:84:3d:0f:c5 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) 07/23/2026 _x86_64_ (4 CPU) 13:23:18 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 181.42 14.81 166.61 3115.09 10613.01 01:26:01 PM 184.05 6.32 177.74 1081.55 17545.98 01:27:01 PM 32.66 1.47 31.19 91.85 732.84 Average: 132.71 7.53 125.18 1429.59 9630.67 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 12690196 14802660 3449124 21.37 2688 2318244 1415576 8.24 186624 2862888 238608 01:26:01 PM 11359104 13743616 4780216 29.62 2688 2585168 2433440 14.16 254400 4096872 2392 01:27:01 PM 12350728 14985940 3788592 23.47 2688 2834188 1196416 6.96 526564 2838432 264496 Average: 12133343 14510739 4005977 24.82 2688 2579200 1681811 9.78 322529 3266064 168499 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 158.76 122.03 2088.50 29.69 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 12.91 12.91 3.53 3.53 0.00 0.00 0.00 0.00 01:26:01 PM eth0 312.30 214.16 3728.92 42.78 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 16.01 16.01 2.55 2.55 0.00 0.00 0.00 0.00 01:27:01 PM eth0 77.99 81.97 276.77 933.13 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 9.64 9.64 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 183.01 139.39 2031.40 335.18 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) 07/23/2026 _x86_64_ (4 CPU) 13:23:18 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 26.07 0.00 2.41 0.90 0.10 70.53 01:25:01 PM 0 32.95 0.00 3.11 0.97 0.10 62.87 01:25:01 PM 1 20.65 0.00 2.41 0.96 0.10 75.88 01:25:01 PM 2 25.81 0.00 1.64 0.85 0.10 71.60 01:25:01 PM 3 24.85 0.00 2.48 0.80 0.08 71.78 01:26:01 PM all 50.35 0.00 1.96 1.11 0.11 46.46 01:26:01 PM 0 61.99 0.00 0.73 0.30 0.12 36.86 01:26:01 PM 1 37.15 0.00 2.56 1.74 0.12 58.44 01:26:01 PM 2 44.80 0.00 2.59 1.07 0.10 51.44 01:26:01 PM 3 57.44 0.00 1.96 1.34 0.12 39.14 01:27:01 PM all 16.41 0.00 1.35 0.13 0.08 82.03 01:27:01 PM 0 25.95 0.00 1.57 0.12 0.07 72.29 01:27:01 PM 1 15.98 0.00 0.79 0.03 0.07 83.14 01:27:01 PM 2 14.35 0.00 1.67 0.08 0.08 83.81 01:27:01 PM 3 9.35 0.00 1.39 0.27 0.08 88.91 Average: all 30.95 0.00 1.91 0.71 0.09 66.34 Average: 0 40.31 0.00 1.80 0.46 0.09 57.33 Average: 1 24.59 0.00 1.92 0.91 0.09 72.48 Average: 2 28.31 0.00 1.97 0.67 0.09 68.96 Average: 3 30.56 0.00 1.94 0.80 0.09 66.60