---> uname -a: Linux prd-centos8-docker-8c-8g-1177.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 1064 27066 19 3759 30361 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:3c:99:78 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.73/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86137sec preferred_lft 86137sec inet6 fe80::f816:3eff:fe3c:9978/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:2f:38:ff:ce 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::42:2fff:fe38:ffce/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) 05/19/2026 _x86_64_ (8 CPU) 03:37:23 LINUX RESTART (8 CPU) 03:38:02 AM tps rtps wtps bread/s bwrtn/s 03:39:01 AM 213.93 14.77 199.15 3172.62 11079.53 03:40:01 AM 440.29 5.51 434.77 1231.06 17065.89 03:41:01 AM 265.93 3.03 262.90 465.84 44953.13 Average: 307.23 7.73 299.50 1614.52 24440.39 03:38:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:39:01 AM 29188492 31154876 3467212 10.62 2688 2282924 1984172 5.89 193432 2808484 216628 03:40:01 AM 27681388 30054264 4974316 15.23 2688 2680508 2358300 7.00 395572 4072900 186816 03:41:01 AM 27756752 31119116 4898952 15.00 2688 3655816 1500416 4.45 655272 3687624 133608 Average: 28208877 30776085 4446827 13.62 2688 2873083 1947629 5.78 414759 3523003 179017 03:38:02 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 230.82 190.21 2717.98 49.07 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 429.96 371.71 5657.36 52.95 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 562.91 472.23 7098.29 1367.81 0.00 0.00 0.00 0.00 03:41:01 AM docker0 14.18 20.09 0.83 308.75 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 408.89 345.58 5171.51 492.41 0.00 0.00 0.00 0.00 Average: docker0 4.75 6.74 0.28 103.49 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) 05/19/2026 _x86_64_ (8 CPU) 03:37:23 LINUX RESTART (8 CPU) 03:38:02 AM CPU %user %nice %system %iowait %steal %idle 03:39:01 AM all 13.68 0.00 1.27 0.56 0.07 84.42 03:39:01 AM 0 10.65 0.00 0.83 0.87 0.08 87.56 03:39:01 AM 1 9.87 0.00 1.33 0.77 0.09 87.95 03:39:01 AM 2 17.33 0.00 1.65 0.87 0.05 80.11 03:39:01 AM 3 20.77 0.00 2.16 0.68 0.07 76.32 03:39:01 AM 4 20.22 0.00 1.77 0.22 0.09 77.70 03:39:01 AM 5 12.04 0.00 0.49 0.14 0.07 87.26 03:39:01 AM 6 6.79 0.00 0.99 0.37 0.05 91.80 03:39:01 AM 7 11.79 0.00 0.95 0.54 0.05 86.67 03:40:01 AM all 28.62 0.00 1.75 1.17 0.08 68.39 03:40:01 AM 0 22.10 0.00 1.61 1.19 0.08 75.02 03:40:01 AM 1 28.08 0.00 1.71 0.79 0.08 69.35 03:40:01 AM 2 40.79 0.00 1.91 2.90 0.10 54.30 03:40:01 AM 3 21.95 0.00 1.61 1.47 0.08 74.88 03:40:01 AM 4 26.27 0.00 1.54 0.79 0.07 71.33 03:40:01 AM 5 24.69 0.00 0.99 0.05 0.07 74.21 03:40:01 AM 6 32.43 0.00 2.04 1.04 0.08 64.40 03:40:01 AM 7 32.61 0.00 2.56 1.12 0.07 63.64 03:41:01 AM all 16.78 0.00 3.23 1.00 0.08 78.90 03:41:01 AM 0 17.93 0.00 2.57 0.77 0.08 78.64 03:41:01 AM 1 23.67 0.00 3.65 2.12 0.10 70.46 03:41:01 AM 2 12.74 0.00 3.24 0.96 0.07 82.99 03:41:01 AM 3 19.70 0.00 3.71 0.59 0.07 75.94 03:41:01 AM 4 12.48 0.00 3.26 1.18 0.08 83.00 03:41:01 AM 5 13.98 0.00 3.66 0.84 0.08 81.43 03:41:01 AM 6 13.98 0.00 3.25 1.09 0.08 81.59 03:41:01 AM 7 19.78 0.00 2.48 0.49 0.07 77.18 Average: all 19.73 0.00 2.08 0.91 0.08 77.20 Average: 0 16.92 0.00 1.67 0.94 0.08 80.38 Average: 1 20.59 0.00 2.23 1.22 0.09 75.86 Average: 2 23.66 0.00 2.27 1.58 0.07 72.41 Average: 3 20.81 0.00 2.49 0.91 0.07 75.71 Average: 4 19.66 0.00 2.19 0.73 0.08 77.34 Average: 5 16.93 0.00 1.72 0.34 0.07 80.94 Average: 6 17.79 0.00 2.10 0.84 0.07 79.21 Average: 7 21.45 0.00 2.00 0.72 0.06 75.77