---> uname -a: Linux prd-centos8-docker-8c-8g-3552.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: 2800.000 BogoMIPS: 5600.00 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 1061 26530 19 4298 30362 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:b5:20:c9 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.56/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86110sec preferred_lft 86110sec inet6 fe80::f816:3eff:feb5:20c9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:48:d8:3c:80 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::42:48ff:fed8:3c80/64 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) 01/28/2026 _x86_64_ (8 CPU) 02:28:43 LINUX RESTART (8 CPU) 02:30:01 AM tps rtps wtps bread/s bwrtn/s 02:31:01 AM 238.60 16.48 222.13 3173.74 12911.21 02:32:01 AM 177.35 4.05 173.30 1112.61 23412.08 02:33:01 AM 115.86 15.79 100.07 5509.50 19047.45 Average: 177.27 12.11 165.17 3265.40 18456.64 02:30:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:31:01 AM 29049480 30954656 3606232 11.04 2688 2220540 1659840 4.92 190028 2938900 73268 02:32:01 AM 26564240 29598632 6091472 18.65 2688 3330912 2691196 7.98 318240 5225308 496100 02:33:01 AM 27163540 31085952 5492172 16.82 2688 4211940 1533280 4.55 745084 4179572 723776 Average: 27592420 30546413 5063292 15.51 2688 3254464 1961439 5.82 417784 4114593 431048 02:30:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:31:01 AM eth0 183.22 151.75 1599.66 44.62 0.00 0.00 0.00 0.00 02:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 AM eth0 1761.94 691.27 11281.29 62.17 0.00 0.00 0.00 0.00 02:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:33:01 AM lo 11.83 11.83 1.26 1.26 0.00 0.00 0.00 0.00 02:33:01 AM eth0 145.48 140.84 1385.71 781.33 0.00 0.00 0.00 0.00 02:33:01 AM docker0 4.28 5.36 0.61 0.62 0.00 0.00 0.00 0.00 Average: lo 3.94 3.94 0.42 0.42 0.00 0.00 0.00 0.00 Average: eth0 696.82 327.93 4755.19 296.05 0.00 0.00 0.00 0.00 Average: docker0 1.43 1.79 0.20 0.21 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) 01/28/2026 _x86_64_ (8 CPU) 02:28:43 LINUX RESTART (8 CPU) 02:30:01 AM CPU %user %nice %system %iowait %steal %idle 02:31:01 AM all 14.09 0.00 1.29 1.43 0.06 83.12 02:31:01 AM 0 8.61 0.00 0.73 1.15 0.07 89.44 02:31:01 AM 1 8.77 0.00 1.02 0.92 0.07 89.22 02:31:01 AM 2 11.84 0.00 0.79 0.37 0.08 86.92 02:31:01 AM 3 19.55 0.00 1.96 2.31 0.07 76.12 02:31:01 AM 4 11.61 0.00 1.10 1.74 0.05 85.49 02:31:01 AM 5 17.71 0.00 1.82 1.59 0.05 78.83 02:31:01 AM 6 13.74 0.00 0.84 1.35 0.07 84.01 02:31:01 AM 7 20.89 0.00 2.05 2.05 0.07 74.93 02:32:01 AM all 28.60 0.00 2.33 1.55 0.09 67.43 02:32:01 AM 0 42.57 0.00 1.82 1.18 0.10 54.33 02:32:01 AM 1 23.55 0.00 2.37 1.01 0.10 72.97 02:32:01 AM 2 37.06 0.00 2.48 1.30 0.08 59.08 02:32:01 AM 3 18.66 0.00 3.00 0.49 0.10 77.75 02:32:01 AM 4 27.79 0.00 2.10 0.62 0.08 69.40 02:32:01 AM 5 19.36 0.00 2.90 5.86 0.12 71.76 02:32:01 AM 6 24.17 0.00 2.24 1.82 0.08 71.70 02:32:01 AM 7 35.66 0.00 1.71 0.12 0.08 62.42 02:33:01 AM all 21.31 0.29 2.38 1.35 0.07 74.60 02:33:01 AM 0 19.86 1.79 2.51 1.54 0.08 74.21 02:33:01 AM 1 26.11 0.02 2.53 1.21 0.08 70.05 02:33:01 AM 2 28.41 0.00 3.13 1.57 0.08 66.80 02:33:01 AM 3 23.46 0.00 1.62 0.60 0.08 74.24 02:33:01 AM 4 15.37 0.40 2.10 1.44 0.07 80.62 02:33:01 AM 5 18.32 0.02 2.26 0.20 0.07 79.14 02:33:01 AM 6 20.81 0.03 2.35 2.35 0.07 74.39 02:33:01 AM 7 18.09 0.03 2.56 1.91 0.05 77.36 Average: all 21.32 0.10 2.00 1.45 0.08 75.07 Average: 0 23.63 0.60 1.69 1.29 0.08 72.71 Average: 1 19.46 0.01 1.97 1.04 0.08 77.43 Average: 2 25.74 0.00 2.13 1.08 0.08 70.96 Average: 3 20.56 0.00 2.19 1.13 0.08 76.03 Average: 4 18.24 0.13 1.77 1.27 0.07 78.52 Average: 5 18.46 0.01 2.32 2.54 0.08 76.59 Average: 6 19.56 0.01 1.80 1.84 0.07 76.71 Average: 7 24.86 0.01 2.11 1.36 0.07 71.59