---> uname -a: Linux prd-centos8-docker-8c-8g-254.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 1048 27160 19 3680 30381 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:bd:d1:ff brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.231/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86145sec preferred_lft 86145sec inet6 fe80::f816:3eff:febd:d1ff/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c3:79:54:2a 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:c3ff:fe79:542a/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) 05/15/2026 _x86_64_ (8 CPU) 17:11:20 LINUX RESTART (8 CPU) 05:12:01 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 226.13 14.43 211.70 3118.15 13541.63 05:14:01 PM 468.58 5.51 463.06 1231.06 14897.63 05:15:01 PM 209.78 4.97 204.82 501.17 41697.68 Average: 301.50 8.30 293.20 1616.71 23379.53 05:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 29147504 31123072 3508200 10.74 2688 2291892 2013004 5.97 193404 2845500 144208 05:14:01 PM 27778668 30252124 4877036 14.93 2688 2779260 2116032 6.28 401348 3959240 268716 05:15:01 PM 27885508 31182132 4770196 14.61 2688 3593172 1462316 4.34 646544 3580940 166120 Average: 28270560 30852443 4385144 13.43 2688 2888108 1863784 5.53 413765 3461893 193015 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 225.68 183.27 2672.75 37.65 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 558.41 456.20 7118.82 61.98 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 471.84 423.84 4733.98 2383.27 0.00 0.00 0.00 0.00 05:15:01 PM docker0 6.56 14.21 0.50 256.89 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 418.66 354.45 4841.97 827.68 0.00 0.00 0.00 0.00 Average: docker0 2.19 4.74 0.17 85.64 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) 05/15/2026 _x86_64_ (8 CPU) 17:11:20 LINUX RESTART (8 CPU) 05:12:01 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 12.46 0.00 1.21 0.57 0.06 85.71 05:13:01 PM 0 15.36 0.00 1.40 0.57 0.07 82.60 05:13:01 PM 1 9.94 0.00 0.87 0.35 0.08 88.75 05:13:01 PM 2 11.13 0.00 1.40 0.38 0.05 87.03 05:13:01 PM 3 14.11 0.00 0.87 0.27 0.05 84.70 05:13:01 PM 4 6.80 0.00 0.95 0.74 0.05 91.46 05:13:01 PM 5 26.52 0.00 2.30 0.62 0.05 70.50 05:13:01 PM 6 2.52 0.00 0.74 0.94 0.05 95.75 05:13:01 PM 7 13.26 0.00 1.14 0.67 0.05 84.89 05:14:01 PM all 29.08 0.00 1.85 1.03 0.09 67.96 05:14:01 PM 0 35.18 0.00 1.98 1.13 0.10 61.61 05:14:01 PM 1 24.44 0.00 1.59 0.80 0.10 73.06 05:14:01 PM 2 39.95 0.00 2.15 0.49 0.10 57.31 05:14:01 PM 3 32.82 0.00 1.16 0.25 0.08 65.68 05:14:01 PM 4 22.16 0.00 3.00 3.32 0.08 71.43 05:14:01 PM 5 29.13 0.00 1.38 0.69 0.08 68.72 05:14:01 PM 6 21.18 0.00 1.61 0.60 0.08 76.52 05:14:01 PM 7 27.81 0.00 1.93 0.92 0.07 69.27 05:15:01 PM all 18.05 0.00 2.88 0.73 0.08 78.26 05:15:01 PM 0 17.96 0.00 2.90 0.72 0.08 78.33 05:15:01 PM 1 13.35 0.00 3.16 1.23 0.07 82.20 05:15:01 PM 2 24.62 0.00 3.10 1.17 0.08 71.03 05:15:01 PM 3 20.86 0.00 2.87 0.72 0.08 75.47 05:15:01 PM 4 22.43 0.00 2.76 0.24 0.08 74.49 05:15:01 PM 5 7.96 0.00 2.19 0.66 0.07 89.13 05:15:01 PM 6 23.14 0.00 2.60 0.40 0.07 73.79 05:15:01 PM 7 14.07 0.00 3.48 0.71 0.08 81.65 Average: all 19.86 0.00 1.98 0.77 0.07 77.32 Average: 0 22.82 0.00 2.09 0.80 0.08 74.20 Average: 1 15.92 0.00 1.87 0.79 0.08 81.34 Average: 2 25.20 0.00 2.22 0.68 0.08 71.82 Average: 3 22.58 0.00 1.63 0.41 0.07 75.30 Average: 4 17.11 0.00 2.24 1.43 0.07 79.15 Average: 5 21.22 0.00 1.96 0.65 0.07 76.10 Average: 6 15.60 0.00 1.65 0.65 0.07 82.04 Average: 7 18.38 0.00 2.18 0.77 0.07 78.61