---> uname -a: Linux prd-centos8-docker-4c-4g-13966.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: 2799.934 BogoMIPS: 5599.86 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 805 12051 19 2903 14617 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:3f:77:df brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.52/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86148sec preferred_lft 86148sec inet6 fe80::f816:3eff:fe3f:77df/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:8e:ba:6a:f1 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) 08/20/2026 _x86_64_ (4 CPU) 13:23:01 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 257.77 16.58 241.20 3824.09 15817.29 01:26:01 PM 65.31 4.63 60.67 371.80 9162.99 01:27:01 PM 37.50 1.65 35.85 123.03 9080.86 Average: 120.20 7.62 112.58 1439.83 11354.08 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 12248944 14602760 3890368 24.10 2688 2555632 1502912 8.74 209496 3263204 245800 01:26:01 PM 11170268 13546648 4969044 30.79 2688 2577248 2866600 16.68 255740 4285020 1092 01:27:01 PM 12399480 15028648 3739832 23.17 2688 2827416 1141172 6.64 539776 2775456 7496 Average: 11939564 14392685 4199748 26.02 2688 2653432 1836895 10.69 335004 3441227 84796 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 448.74 324.20 4880.44 63.98 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 24.15 24.15 4.96 4.96 0.00 0.00 0.00 0.00 01:26:01 PM eth0 30.53 24.91 102.97 17.67 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 5.43 5.43 1.17 1.17 0.00 0.00 0.00 0.00 01:27:01 PM eth0 70.88 76.22 274.50 925.51 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 9.86 9.86 2.04 2.04 0.00 0.00 0.00 0.00 Average: eth0 183.41 141.80 1752.90 335.72 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) 08/20/2026 _x86_64_ (4 CPU) 13:23:01 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 32.81 0.00 2.96 1.36 0.11 62.76 01:25:01 PM 0 43.10 0.00 4.66 2.11 0.12 50.02 01:25:01 PM 1 28.09 0.00 2.21 0.92 0.12 68.67 01:25:01 PM 2 31.42 0.00 2.18 1.17 0.08 65.15 01:25:01 PM 3 28.65 0.00 2.80 1.23 0.12 67.20 01:26:01 PM all 42.87 0.00 1.25 0.26 0.11 55.51 01:26:01 PM 0 41.73 0.00 1.95 0.42 0.12 55.78 01:26:01 PM 1 34.42 0.00 1.38 0.40 0.08 63.71 01:26:01 PM 2 45.50 0.00 1.02 0.18 0.12 53.18 01:26:01 PM 3 49.77 0.00 0.67 0.03 0.10 49.42 01:27:01 PM all 20.76 0.00 1.90 0.26 0.08 76.99 01:27:01 PM 0 20.18 0.00 2.59 0.22 0.10 76.91 01:27:01 PM 1 25.61 0.00 1.77 0.61 0.08 71.93 01:27:01 PM 2 11.96 0.00 1.61 0.05 0.07 86.32 01:27:01 PM 3 25.35 0.00 1.65 0.18 0.08 72.73 Average: all 32.15 0.00 2.04 0.63 0.10 65.09 Average: 0 34.99 0.00 3.07 0.92 0.11 60.90 Average: 1 29.38 0.00 1.78 0.65 0.10 68.09 Average: 2 29.62 0.00 1.60 0.47 0.09 68.22 Average: 3 34.59 0.00 1.71 0.48 0.10 63.12