---> uname -a: Linux prd-centos8-docker-8c-8g-4619.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: 2799.974 BogoMIPS: 5599.94 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 1059 27077 19 3753 30367 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:9c:44:14 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.132/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86131sec preferred_lft 86131sec inet6 fe80::f816:3eff:fe9c:4414/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:2d:22:22:2e 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::42:2dff:fe22:222e/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) 03/25/2026 _x86_64_ (8 CPU) 03:37:18 LINUX RESTART (8 CPU) 03:38:01 AM tps rtps wtps bread/s bwrtn/s 03:39:01 AM 189.72 14.58 175.14 3223.59 11668.86 03:40:01 AM 449.43 4.78 444.64 1165.54 14470.04 03:41:01 AM 279.66 3.15 276.51 531.02 46254.62 Average: 306.26 7.50 298.76 1640.08 24131.71 03:38:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:39:01 AM 28874824 30829016 3780888 11.58 2688 2271224 1874612 5.56 164324 3152516 166508 03:40:01 AM 27636192 30001428 5019520 15.37 2688 2673124 2414628 7.16 394872 4120864 218444 03:41:01 AM 27727180 31085124 4928532 15.09 2688 3651628 1519764 4.51 655496 3721720 133616 Average: 28079399 30638523 4576313 14.01 2688 2865325 1936335 5.75 404897 3665033 172856 03:38:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:39:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:39:01 AM eth0 211.75 166.34 2487.53 44.37 0.00 0.00 0.00 0.00 03:39:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 AM eth0 460.61 389.84 5750.40 54.90 0.00 0.00 0.00 0.00 03:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM eth0 670.88 525.82 7120.72 1371.68 0.00 0.00 0.00 0.00 03:41:01 AM docker0 8.98 11.78 0.53 307.85 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 447.74 360.67 5119.51 490.34 0.00 0.00 0.00 0.00 Average: docker0 2.99 3.93 0.18 102.62 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) 03/25/2026 _x86_64_ (8 CPU) 03:37:18 LINUX RESTART (8 CPU) 03:38:01 AM CPU %user %nice %system %iowait %steal %idle 03:39:01 AM all 10.77 0.00 1.10 0.52 0.05 87.56 03:39:01 AM 0 12.20 0.00 0.73 0.10 0.05 86.92 03:39:01 AM 1 14.97 0.00 2.04 1.15 0.07 81.77 03:39:01 AM 2 3.98 0.00 0.42 0.12 0.05 95.43 03:39:01 AM 3 10.43 0.00 1.12 0.57 0.03 87.85 03:39:01 AM 4 17.51 0.00 2.31 0.89 0.05 79.25 03:39:01 AM 5 12.33 0.00 0.58 0.37 0.05 86.66 03:39:01 AM 6 7.10 0.00 1.10 0.97 0.05 90.78 03:39:01 AM 7 7.60 0.00 0.52 0.03 0.03 91.82 03:40:01 AM all 29.09 0.00 1.75 1.06 0.12 67.98 03:40:01 AM 0 38.40 0.00 0.95 0.17 0.15 60.33 03:40:01 AM 1 26.53 0.00 2.78 2.83 0.12 67.73 03:40:01 AM 2 16.77 0.00 2.60 2.06 0.13 78.43 03:40:01 AM 3 30.11 0.00 1.12 0.45 0.10 68.22 03:40:01 AM 4 33.71 0.00 1.29 0.69 0.12 64.19 03:40:01 AM 5 40.13 0.00 2.36 1.02 0.12 56.36 03:40:01 AM 6 20.06 0.00 1.49 0.97 0.10 77.37 03:40:01 AM 7 26.97 0.00 1.41 0.32 0.08 71.22 03:41:01 AM all 16.07 0.00 2.91 1.47 0.08 79.47 03:41:01 AM 0 23.71 0.00 3.41 1.73 0.08 71.07 03:41:01 AM 1 13.90 0.00 2.92 1.23 0.08 81.87 03:41:01 AM 2 10.26 0.00 3.18 2.07 0.07 84.42 03:41:01 AM 3 10.47 0.00 3.03 1.21 0.07 85.21 03:41:01 AM 4 17.28 0.00 2.84 1.90 0.08 77.90 03:41:01 AM 5 22.11 0.00 2.20 1.83 0.10 73.76 03:41:01 AM 6 13.99 0.00 2.60 0.71 0.07 82.64 03:41:01 AM 7 16.78 0.00 3.11 1.09 0.08 78.93 Average: all 18.64 0.00 1.92 1.02 0.08 78.34 Average: 0 24.77 0.00 1.69 0.66 0.09 72.78 Average: 1 18.47 0.00 2.58 1.74 0.09 77.12 Average: 2 10.33 0.00 2.06 1.42 0.08 86.11 Average: 3 17.01 0.00 1.75 0.74 0.07 80.42 Average: 4 22.84 0.00 2.14 1.16 0.08 73.78 Average: 5 24.85 0.00 1.71 1.07 0.09 72.28 Average: 6 13.71 0.00 1.73 0.88 0.07 83.61 Average: 7 17.11 0.00 1.68 0.48 0.07 80.67