---> uname -a: Linux prd-centos8-docker-8c-8g-7922.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 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): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 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): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1040 27166 19 3683 30389 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:4e:0b:6b brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.69/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86138sec preferred_lft 86138sec inet6 fe80::f816:3eff:fe4e:b6b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:8a:93:33:f7 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 inet6 fe80::42:8aff:fe93:33f7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 05/03/2026 _x86_64_ (8 CPU) 17:11:17 LINUX RESTART (8 CPU) 05:12:01 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 220.00 14.43 205.57 3118.15 13417.75 05:14:01 PM 443.72 5.51 438.20 1231.06 14887.32 05:15:01 PM 220.38 5.00 215.38 589.40 41710.10 Average: 294.70 8.31 286.39 1646.12 23338.94 05:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 29157840 31133236 3497864 10.71 2688 2291732 1979012 5.87 192768 2837144 151084 05:14:01 PM 27591524 29988108 5064180 15.51 2688 2703080 2465756 7.32 399784 4153120 196092 05:15:01 PM 27819440 31118288 4836264 14.81 2688 3595364 1544816 4.58 646104 3647820 166156 Average: 28189601 30746544 4466103 13.68 2688 2863392 1996528 5.92 412885 3546028 171111 05:12:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:13:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:13:01 PM eth0 233.43 191.85 2671.25 47.80 0.00 0.00 0.00 0.00 05:13:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM eth0 459.73 390.32 5861.04 55.46 0.00 0.00 0.00 0.00 05:14:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM eth0 544.82 452.67 5974.83 1295.40 0.00 0.00 0.00 0.00 05:15:01 PM docker0 6.98 13.73 0.52 257.81 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 412.67 344.95 4835.83 466.24 0.00 0.00 0.00 0.00 Average: docker0 2.33 4.58 0.17 85.94 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 05/03/2026 _x86_64_ (8 CPU) 17:11:17 LINUX RESTART (8 CPU) 05:12:01 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 12.71 0.00 1.28 0.62 0.06 85.33 05:13:01 PM 0 13.59 0.00 0.62 0.07 0.07 85.66 05:13:01 PM 1 4.12 0.00 1.12 1.14 0.07 93.56 05:13:01 PM 2 28.08 0.00 2.62 0.60 0.05 68.65 05:13:01 PM 3 4.73 0.00 0.99 0.49 0.07 93.73 05:13:01 PM 4 11.82 0.00 0.82 0.32 0.07 86.98 05:13:01 PM 5 17.31 0.00 2.41 1.74 0.05 78.50 05:13:01 PM 6 9.91 0.00 0.84 0.40 0.03 88.81 05:13:01 PM 7 12.09 0.00 0.84 0.25 0.05 86.77 05:14:01 PM all 28.31 0.00 1.81 1.05 0.08 68.75 05:14:01 PM 0 20.66 0.00 1.93 1.73 0.07 75.62 05:14:01 PM 1 22.75 0.00 2.38 1.22 0.07 73.58 05:14:01 PM 2 26.90 0.00 1.79 0.89 0.10 70.32 05:14:01 PM 3 20.62 0.00 1.86 1.78 0.08 75.66 05:14:01 PM 4 21.26 0.00 1.28 0.42 0.08 76.96 05:14:01 PM 5 44.03 0.00 2.56 1.37 0.10 51.93 05:14:01 PM 6 48.34 0.00 1.31 0.52 0.08 49.75 05:14:01 PM 7 21.86 0.00 1.37 0.45 0.07 76.25 05:15:01 PM all 17.63 0.00 2.97 0.82 0.08 78.50 05:15:01 PM 0 17.66 0.00 2.16 0.13 0.08 79.96 05:15:01 PM 1 24.08 0.00 3.46 1.44 0.07 70.94 05:15:01 PM 2 23.03 0.00 3.20 1.24 0.08 72.45 05:15:01 PM 3 11.87 0.00 3.13 1.21 0.08 83.71 05:15:01 PM 4 12.29 0.00 2.83 1.48 0.07 83.34 05:15:01 PM 5 15.08 0.00 2.65 0.20 0.07 82.00 05:15:01 PM 6 16.47 0.00 2.97 0.27 0.07 80.22 05:15:01 PM 7 20.61 0.00 3.38 0.59 0.08 75.34 Average: all 19.55 0.00 2.02 0.83 0.07 77.53 Average: 0 17.30 0.00 1.57 0.64 0.07 80.42 Average: 1 16.97 0.00 2.32 1.27 0.07 79.37 Average: 2 26.01 0.00 2.54 0.91 0.08 70.47 Average: 3 12.40 0.00 1.99 1.16 0.08 84.37 Average: 4 15.12 0.00 1.64 0.74 0.07 82.43 Average: 5 25.47 0.00 2.54 1.11 0.07 70.81 Average: 6 24.92 0.00 1.70 0.40 0.06 72.92 Average: 7 18.18 0.00 1.86 0.43 0.07 79.47