---> uname -a: Linux prd-centos8-docker-4c-4g-3065.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: 2799.996 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 803 12047 19 2909 14619 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:e7:94:06 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.174/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86148sec preferred_lft 86148sec inet6 fe80::f816:3eff:fee7:9406/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ec:13:89:71 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) 06/27/2026 _x86_64_ (4 CPU) 13:23:06 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 275.12 15.85 259.27 3237.17 16587.04 01:26:01 PM 69.47 5.23 64.24 1037.56 9550.12 01:27:01 PM 45.03 3.15 41.89 140.09 3286.49 Average: 129.90 8.08 121.82 1471.92 9809.03 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 12385416 14721916 3753904 23.26 2688 2538276 1396508 8.12 199176 3137432 256616 01:26:01 PM 11360412 13742932 4778908 29.61 2688 2583080 2388716 13.90 255240 4094036 1260 01:27:01 PM 12306716 14940408 3832604 23.75 2688 2831664 1223144 7.12 530948 2875840 189620 Average: 12017515 14468419 4121805 25.54 2688 2651007 1669456 9.71 328455 3369103 149165 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 405.05 298.62 4990.40 50.21 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 23.61 23.61 4.90 4.90 0.00 0.00 0.00 0.00 01:26:01 PM eth0 85.64 35.59 166.74 35.27 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 5.36 5.36 1.17 1.17 0.00 0.00 0.00 0.00 01:27:01 PM eth0 63.15 71.04 276.00 926.49 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 9.66 9.66 2.02 2.02 0.00 0.00 0.00 0.00 Average: eth0 184.65 135.12 1811.67 337.29 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) 06/27/2026 _x86_64_ (4 CPU) 13:23:06 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 30.13 0.00 2.89 1.59 0.10 65.29 01:25:01 PM 0 33.07 0.00 3.23 1.44 0.12 62.14 01:25:01 PM 1 28.03 0.00 2.58 1.54 0.10 67.75 01:25:01 PM 2 25.93 0.00 2.53 1.88 0.10 69.56 01:25:01 PM 3 33.48 0.00 3.23 1.49 0.10 61.69 01:26:01 PM all 44.31 0.00 1.23 0.40 0.09 53.97 01:26:01 PM 0 40.36 0.00 1.60 0.42 0.10 57.52 01:26:01 PM 1 32.42 0.00 2.07 0.90 0.08 64.52 01:26:01 PM 2 50.68 0.00 0.72 0.10 0.08 48.42 01:26:01 PM 3 53.77 0.00 0.52 0.17 0.10 45.44 01:27:01 PM all 19.09 0.00 1.47 0.20 0.07 79.17 01:27:01 PM 0 28.56 0.00 1.65 0.32 0.08 69.39 01:27:01 PM 1 29.16 0.00 2.36 0.37 0.08 68.04 01:27:01 PM 2 7.96 0.00 0.95 0.12 0.07 90.91 01:27:01 PM 3 10.66 0.00 0.90 0.02 0.05 88.37 Average: all 31.18 0.00 1.86 0.73 0.09 66.14 Average: 0 34.00 0.00 2.16 0.72 0.10 63.02 Average: 1 29.87 0.00 2.34 0.94 0.09 66.77 Average: 2 28.20 0.00 1.40 0.70 0.08 69.62 Average: 3 32.64 0.00 1.55 0.56 0.08 65.17