---> uname -a: Linux prd-centos8-docker-8c-8g-5978.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 13G 148G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 2064 25245 19 4580 29360 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:b9:c7:c6 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.104/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86133sec preferred_lft 86133sec inet6 fe80::f816:3eff:feb9:c7c6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:2e:ab:19:c4 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::42:2eff:feab:19c4/64 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) 04/25/2026 _x86_64_ (8 CPU) 11:21:21 LINUX RESTART (8 CPU) 11:22:01 AM tps rtps wtps bread/s bwrtn/s 11:23:01 AM 274.91 16.81 258.10 3293.04 14184.12 11:24:01 AM 178.07 16.49 161.58 2014.66 50709.81 11:25:01 AM 267.56 5.13 262.43 4614.20 26690.20 Average: 240.18 12.81 227.37 3307.30 30528.05 11:22:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:23:01 AM 28315660 30772896 4340052 13.29 2688 2771176 1827664 5.42 198720 3661840 601544 11:24:01 AM 25799536 29174972 6856176 21.00 2688 3670996 5390760 15.99 452048 5845444 1712 11:25:01 AM 25929172 30137304 6726540 20.60 2688 4499264 2342520 6.95 765580 5398068 1508 Average: 26681456 30028391 5974256 18.29 2688 3647145 3186981 9.46 472116 4968451 201588 11:22:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:23:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:23:01 AM eth0 631.87 427.47 10797.02 56.43 0.00 0.00 0.00 0.00 11:23:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:24:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:24:01 AM eth0 1250.83 374.66 7343.61 33.60 0.00 0.00 0.00 0.00 11:24:01 AM docker0 0.00 0.12 0.00 0.01 0.00 0.00 0.00 0.00 11:24:01 AM veth19035ed 0.00 0.13 0.00 0.01 0.00 0.00 0.00 0.00 11:25:01 AM lo 12.83 12.83 1.35 1.35 0.00 0.00 0.00 0.00 11:25:01 AM eth0 384.09 272.18 2078.36 206.46 0.00 0.00 0.00 0.00 11:25:01 AM docker0 4.78 5.86 0.65 0.68 0.00 0.00 0.00 0.00 Average: lo 4.28 4.28 0.45 0.45 0.00 0.00 0.00 0.00 Average: eth0 755.60 358.10 6739.66 98.83 0.00 0.00 0.00 0.00 Average: docker0 1.59 1.99 0.22 0.23 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) 04/25/2026 _x86_64_ (8 CPU) 11:21:21 LINUX RESTART (8 CPU) 11:22:01 AM CPU %user %nice %system %iowait %steal %idle 11:23:01 AM all 14.83 0.00 1.46 0.70 0.07 82.94 11:23:01 AM 0 10.62 0.00 0.70 0.22 0.08 88.37 11:23:01 AM 1 19.68 0.00 1.87 0.80 0.07 77.58 11:23:01 AM 2 16.64 0.00 0.99 0.50 0.07 81.81 11:23:01 AM 3 11.63 0.00 1.83 1.46 0.07 85.02 11:23:01 AM 4 32.49 0.00 3.47 1.03 0.07 62.94 11:23:01 AM 5 10.89 0.00 1.24 0.63 0.05 87.19 11:23:01 AM 6 11.65 0.00 0.92 0.54 0.10 86.80 11:23:01 AM 7 4.99 0.00 0.70 0.38 0.05 93.87 11:24:01 AM all 31.59 0.22 2.60 0.82 0.08 64.68 11:24:01 AM 0 32.90 0.05 2.96 0.42 0.08 63.58 11:24:01 AM 1 29.89 0.00 3.35 2.87 0.10 63.79 11:24:01 AM 2 34.58 0.03 2.66 0.94 0.08 61.70 11:24:01 AM 3 33.04 0.00 2.07 0.15 0.08 64.66 11:24:01 AM 4 35.56 0.00 2.48 0.52 0.08 61.35 11:24:01 AM 5 21.09 0.00 2.37 0.65 0.08 75.81 11:24:01 AM 6 43.15 1.66 2.72 0.87 0.07 51.53 11:24:01 AM 7 22.56 0.00 2.21 0.15 0.07 75.02 11:25:01 AM all 29.24 0.06 2.39 0.69 0.08 67.54 11:25:01 AM 0 43.77 0.02 1.89 0.02 0.10 54.21 11:25:01 AM 1 27.95 0.00 1.81 0.02 0.08 70.14 11:25:01 AM 2 27.29 0.00 2.28 0.15 0.08 70.20 11:25:01 AM 3 13.67 0.05 2.33 2.63 0.08 81.24 11:25:01 AM 4 44.94 0.37 3.91 0.52 0.08 50.18 11:25:01 AM 5 23.66 0.00 2.04 0.07 0.08 74.15 11:25:01 AM 6 34.67 0.03 1.89 0.17 0.07 63.17 11:25:01 AM 7 17.98 0.02 3.02 1.95 0.05 76.99 Average: all 25.20 0.09 2.15 0.74 0.08 71.74 Average: 0 29.08 0.02 1.85 0.22 0.09 68.74 Average: 1 25.83 0.00 2.34 1.23 0.08 70.52 Average: 2 26.15 0.01 1.97 0.53 0.08 71.26 Average: 3 19.43 0.02 2.07 1.41 0.08 76.99 Average: 4 37.66 0.12 3.29 0.69 0.08 58.16 Average: 5 18.54 0.00 1.88 0.45 0.07 79.06 Average: 6 29.81 0.56 1.84 0.53 0.08 67.18 Average: 7 15.15 0.01 1.97 0.83 0.06 81.98