---> uname -a: Linux prd-centos8-docker-8c-8g-4173.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 1056 26536 19 4297 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:f8:58:6e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.51/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86129sec preferred_lft 86129sec inet6 fe80::f816:3eff:fef8:586e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:a1:9f:8c:86 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:a1ff:fe9f:8c86/64 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) 01/09/2026 _x86_64_ (8 CPU) 02:28:26 LINUX RESTART (8 CPU) 02:29:01 AM tps rtps wtps bread/s bwrtn/s 02:30:01 AM 177.96 14.68 163.29 3100.32 9287.94 02:31:01 AM 220.16 6.13 214.03 1196.33 16109.85 02:32:01 AM 142.50 15.13 127.37 5499.23 30908.98 Average: 180.21 11.98 168.23 3265.40 18768.54 02:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:01 AM 29282576 31131484 3373136 10.33 2688 2166692 2043360 6.06 181348 2734284 154036 02:31:01 AM 27415828 29817512 5239884 16.05 2688 2710360 2783480 8.26 268364 4468028 245988 02:32:01 AM 26136424 30106992 6519288 19.96 2688 4261400 2506420 7.44 736676 5215660 766128 Average: 27611609 30351996 5044103 15.45 2688 3046151 2444420 7.25 395463 4139324 388717 02:29:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:30:01 AM eth0 135.48 103.71 1567.27 35.63 0.00 0.00 0.00 0.00 02:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 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 825.16 469.41 7223.87 55.96 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 11.78 11.78 1.26 1.26 0.00 0.00 0.00 0.00 02:32:01 AM eth0 1044.29 324.51 6153.93 42.02 0.00 0.00 0.00 0.00 02:32:01 AM docker0 4.32 5.45 0.62 0.63 0.00 0.00 0.00 0.00 Average: lo 3.93 3.93 0.42 0.42 0.00 0.00 0.00 0.00 Average: eth0 668.27 299.19 4981.38 44.53 0.00 0.00 0.00 0.00 Average: docker0 1.44 1.82 0.21 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) 01/09/2026 _x86_64_ (8 CPU) 02:28:26 LINUX RESTART (8 CPU) 02:29:01 AM CPU %user %nice %system %iowait %steal %idle 02:30:01 AM all 12.98 0.00 1.22 0.71 0.05 85.04 02:30:01 AM 0 6.46 0.00 0.87 0.70 0.07 91.90 02:30:01 AM 1 16.42 0.00 1.51 0.82 0.07 81.18 02:30:01 AM 2 29.10 0.00 2.56 0.82 0.07 67.46 02:30:01 AM 3 6.24 0.00 0.58 0.05 0.05 93.07 02:30:01 AM 4 11.11 0.00 1.04 0.92 0.03 86.91 02:30:01 AM 5 12.00 0.00 1.27 0.73 0.05 85.95 02:30:01 AM 6 13.93 0.00 1.07 0.72 0.05 84.23 02:30:01 AM 7 8.58 0.00 0.88 0.90 0.03 89.60 02:31:01 AM all 27.81 0.00 1.36 0.97 0.08 69.78 02:31:01 AM 0 28.71 0.00 1.02 0.15 0.07 70.05 02:31:01 AM 1 25.41 0.00 1.17 2.66 0.07 70.69 02:31:01 AM 2 25.99 0.00 1.74 1.27 0.08 70.91 02:31:01 AM 3 35.59 0.00 1.39 0.94 0.08 62.00 02:31:01 AM 4 15.90 0.00 0.92 0.94 0.08 82.16 02:31:01 AM 5 28.33 0.00 2.04 1.14 0.08 68.40 02:31:01 AM 6 43.09 0.00 1.71 0.50 0.08 54.62 02:31:01 AM 7 19.42 0.00 0.92 0.15 0.07 79.44 02:32:01 AM all 20.68 0.26 3.15 1.34 0.08 74.49 02:32:01 AM 0 15.21 0.00 2.60 0.37 0.08 81.73 02:32:01 AM 1 22.03 0.05 3.52 1.87 0.08 72.44 02:32:01 AM 2 22.47 0.05 3.19 1.57 0.10 72.62 02:32:01 AM 3 25.00 0.00 3.34 1.08 0.08 70.50 02:32:01 AM 4 21.76 0.02 2.89 0.30 0.08 74.94 02:32:01 AM 5 19.53 1.92 3.06 0.91 0.08 74.50 02:32:01 AM 6 19.65 0.00 2.96 2.63 0.07 74.69 02:32:01 AM 7 19.79 0.02 3.62 1.99 0.08 74.50 Average: all 20.48 0.09 1.91 1.00 0.07 76.45 Average: 0 16.79 0.00 1.49 0.41 0.07 81.23 Average: 1 21.29 0.02 2.06 1.78 0.07 74.77 Average: 2 25.86 0.02 2.49 1.22 0.08 70.32 Average: 3 22.25 0.00 1.77 0.69 0.07 75.22 Average: 4 16.24 0.01 1.61 0.72 0.07 81.35 Average: 5 19.95 0.64 2.12 0.93 0.07 76.30 Average: 6 25.56 0.00 1.91 1.28 0.07 71.18 Average: 7 15.92 0.01 1.80 1.01 0.06 81.20