---> uname -a: Linux prd-centos8-docker-8c-8g-8719.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 1070 26412 19 4407 30352 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:f6:7e:4a brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.95/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86137sec preferred_lft 86137sec inet6 fe80::f816:3eff:fef6:7e4a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:68:76:e2:3c 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::42:68ff:fe76:e23c/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) 05/07/2026 _x86_64_ (8 CPU) 07:30:28 LINUX RESTART (8 CPU) 07:31:01 AM tps rtps wtps bread/s bwrtn/s 07:32:01 AM 192.90 14.86 178.04 3252.38 9917.86 07:33:01 AM 227.41 4.75 222.66 1128.02 19119.63 07:34:01 AM 278.74 16.38 262.36 5542.15 30917.59 Average: 233.02 12.00 221.02 3307.52 19985.03 07:31:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:32:01 AM 29205632 31126172 3450080 10.57 2688 2238076 1584096 4.70 185728 2807312 200772 07:33:01 AM 27046868 29744824 5608844 17.18 2688 3006300 2660960 7.90 311428 4793144 429624 07:34:01 AM 25927988 29847820 6727724 20.60 2688 4210152 2512216 7.45 746836 5414196 637604 Average: 27393496 30239605 5262216 16.11 2688 3151509 2252424 6.68 414664 4338217 422667 07:31:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:32:01 AM eth0 172.79 136.67 2028.02 40.35 0.00 0.00 0.00 0.00 07:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:33:01 AM eth0 1576.62 605.90 11068.38 62.34 0.00 0.00 0.00 0.00 07:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:34:01 AM lo 12.85 12.85 1.35 1.35 0.00 0.00 0.00 0.00 07:34:01 AM eth0 316.46 155.20 2702.47 31.46 0.00 0.00 0.00 0.00 07:34:01 AM docker0 4.78 5.86 0.65 0.69 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 688.63 299.26 5266.29 44.72 0.00 0.00 0.00 0.00 Average: docker0 1.59 1.95 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) 05/07/2026 _x86_64_ (8 CPU) 07:30:28 LINUX RESTART (8 CPU) 07:31:01 AM CPU %user %nice %system %iowait %steal %idle 07:32:01 AM all 13.37 0.00 1.37 0.51 0.06 84.70 07:32:01 AM 0 14.93 0.00 1.17 0.20 0.07 83.64 07:32:01 AM 1 5.51 0.00 0.70 0.33 0.07 93.38 07:32:01 AM 2 33.07 0.00 3.09 0.52 0.08 63.23 07:32:01 AM 3 11.35 0.00 1.09 0.87 0.05 86.64 07:32:01 AM 4 7.88 0.00 0.60 0.20 0.03 91.29 07:32:01 AM 5 16.47 0.00 1.82 0.69 0.07 80.96 07:32:01 AM 6 7.74 0.00 1.19 0.58 0.05 90.44 07:32:01 AM 7 10.03 0.00 1.27 0.65 0.08 87.96 07:33:01 AM all 30.85 0.00 1.69 0.70 0.09 66.68 07:33:01 AM 0 42.62 0.00 1.81 0.85 0.10 54.61 07:33:01 AM 1 33.14 0.00 1.89 0.42 0.10 64.45 07:33:01 AM 2 13.38 0.00 1.71 1.04 0.10 83.78 07:33:01 AM 3 17.12 0.00 1.84 1.39 0.08 79.56 07:33:01 AM 4 25.96 0.00 1.29 0.39 0.10 72.26 07:33:01 AM 5 45.86 0.00 0.92 0.22 0.10 52.90 07:33:01 AM 6 35.03 0.00 1.70 0.55 0.08 62.64 07:33:01 AM 7 33.69 0.00 2.33 0.70 0.08 63.20 07:34:01 AM all 25.90 0.34 3.59 0.89 0.11 69.17 07:34:01 AM 0 19.66 0.39 3.22 0.76 0.12 75.86 07:34:01 AM 1 33.02 2.15 4.16 1.48 0.10 59.09 07:34:01 AM 2 30.06 0.02 4.05 0.96 0.12 64.79 07:34:01 AM 3 29.10 0.07 3.12 0.94 0.13 66.64 07:34:01 AM 4 19.68 0.00 3.08 0.08 0.08 77.07 07:34:01 AM 5 26.59 0.03 3.34 0.57 0.12 69.35 07:34:01 AM 6 20.02 0.05 4.88 2.07 0.12 72.86 07:34:01 AM 7 29.00 0.03 2.87 0.24 0.12 67.74 Average: all 23.36 0.11 2.21 0.70 0.09 73.53 Average: 0 25.73 0.13 2.07 0.60 0.09 71.38 Average: 1 23.87 0.71 2.25 0.74 0.09 72.34 Average: 2 25.50 0.01 2.95 0.84 0.10 70.61 Average: 3 19.18 0.02 2.02 1.07 0.09 77.63 Average: 4 17.83 0.00 1.65 0.22 0.07 80.22 Average: 5 29.64 0.01 2.03 0.49 0.09 67.74 Average: 6 20.91 0.02 2.58 1.07 0.08 75.34 Average: 7 24.22 0.01 2.16 0.53 0.09 72.98