---> uname -a: Linux prd-centos8-docker-4c-4g-6092.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 774 12082 19 2903 14648 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:08:77:4a brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.198/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86126sec preferred_lft 86126sec inet6 fe80::f816:3eff:fe08:774a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:99:82:6a:49 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) 06/02/2026 _x86_64_ (4 CPU) 13:23:06 LINUX RESTART (4 CPU) 01:24:02 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 163.30 15.30 148.00 3276.45 9397.58 01:26:01 PM 206.38 6.22 200.17 1056.09 18315.01 01:27:01 PM 28.66 0.45 28.21 15.99 737.74 Average: 132.61 7.28 125.33 1439.33 9483.43 01:24:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 12882816 14981108 3256504 20.18 2688 2304832 1426952 8.30 186672 2676200 258932 01:26:01 PM 11417392 13793348 4721928 29.26 2688 2576672 2318992 13.49 255180 4039568 9372 01:27:01 PM 12357388 14973372 3781932 23.43 2688 2815240 1166368 6.79 351228 3007624 246336 Average: 12219199 14582609 3920121 24.29 2688 2565581 1637437 9.53 264360 3241131 171547 01:24:02 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 158.23 112.30 2035.54 26.21 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 12.10 12.10 3.46 3.46 0.00 0.00 0.00 0.00 01:26:01 PM eth0 424.66 259.84 3823.01 72.64 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 17.08 17.08 2.64 2.64 0.00 0.00 0.00 0.00 01:27:01 PM eth0 85.82 74.86 281.18 30.45 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 9.78 9.78 2.05 2.05 0.00 0.00 0.00 0.00 Average: eth0 223.26 149.20 2046.54 43.19 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) 06/02/2026 _x86_64_ (4 CPU) 13:23:06 LINUX RESTART (4 CPU) 01:24:02 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 25.09 0.00 2.39 1.11 0.13 71.28 01:25:01 PM 0 20.74 0.00 3.17 1.75 0.12 74.22 01:25:01 PM 1 34.17 0.00 3.23 1.08 0.13 61.39 01:25:01 PM 2 29.19 0.00 2.11 0.66 0.17 67.87 01:25:01 PM 3 16.77 0.00 1.11 0.94 0.10 81.08 01:26:01 PM all 54.20 0.00 2.57 1.63 0.97 40.63 01:26:01 PM 0 44.16 0.00 2.78 1.27 3.01 48.78 01:26:01 PM 1 70.06 0.00 1.17 0.69 0.17 27.91 01:26:01 PM 2 42.54 0.00 4.44 3.99 0.27 48.76 01:26:01 PM 3 60.34 0.00 1.89 0.58 0.38 36.80 01:27:01 PM all 14.57 0.00 1.07 0.16 0.06 84.13 01:27:01 PM 0 8.84 0.00 1.10 0.15 0.07 89.84 01:27:01 PM 1 17.17 0.00 1.05 0.02 0.07 81.69 01:27:01 PM 2 18.07 0.00 1.24 0.33 0.07 80.30 01:27:01 PM 3 14.20 0.00 0.90 0.13 0.05 84.72 Average: all 31.40 0.00 2.01 0.97 0.39 65.24 Average: 0 24.78 0.00 2.35 1.06 1.09 70.72 Average: 1 40.58 0.00 1.78 0.58 0.12 56.93 Average: 2 29.92 0.00 2.60 1.66 0.17 65.65 Average: 3 30.54 0.00 1.30 0.55 0.18 67.43