---> uname -a: Linux prd-centos8-docker-8c-8g-4198.novalocal 4.18.0-500.el8.x86_64 #1 SMP Wed Jun 28 00:07:07 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: 31888 1060 26994 19 3833 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:8f:68:c9 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.87/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86137sec preferred_lft 86137sec inet6 fe80::f816:3eff:fe8f:68c9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:8f:08:32:81 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::42:8fff:fe08:3281/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 05/27/2026 _x86_64_ (8 CPU) 03:37:23 LINUX RESTART (8 CPU) 03:38:01 AM tps rtps wtps bread/s bwrtn/s 03:39:01 AM 188.69 14.63 174.05 3147.74 11086.79 03:40:01 AM 415.16 5.60 409.56 1234.11 17147.37 03:41:01 AM 278.95 2.97 275.99 455.92 46793.43 Average: 294.29 7.73 286.55 1612.53 25007.89 03:38:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:39:01 AM 28818764 30846576 3834608 11.74 2688 2342736 1813540 5.38 165140 3198192 265860 03:40:01 AM 27549184 29993512 5104188 15.63 2688 2749612 2378056 7.06 275208 4313984 235648 03:41:01 AM 27684772 31121540 4968600 15.22 2688 3727868 1502064 4.46 652464 3750488 133612 Average: 28017573 30653876 4635799 14.20 2688 2940072 1897887 5.63 364271 3754221 211707 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 209.68 168.72 2661.16 44.71 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 459.76 389.07 5791.72 55.37 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 570.57 469.74 7135.20 1369.24 0.00 0.00 0.00 0.00 03:41:01 AM docker0 9.12 12.80 0.56 307.99 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 413.35 342.52 5196.13 489.70 0.00 0.00 0.00 0.00 Average: docker0 3.04 4.27 0.19 102.65 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 05/27/2026 _x86_64_ (8 CPU) 03:37:23 LINUX RESTART (8 CPU) 03:38:01 AM CPU %user %nice %system %iowait %steal %idle 03:39:01 AM all 12.17 0.00 1.17 0.55 0.06 86.04 03:39:01 AM 0 3.39 0.00 0.95 1.10 0.08 94.46 03:39:01 AM 1 33.29 0.00 2.65 0.80 0.07 63.18 03:39:01 AM 2 14.91 0.00 1.52 0.42 0.07 83.08 03:39:01 AM 3 19.92 0.00 1.37 0.50 0.05 78.16 03:39:01 AM 4 6.16 0.00 0.63 0.63 0.03 92.54 03:39:01 AM 5 9.26 0.00 1.22 0.62 0.05 88.85 03:39:01 AM 6 6.29 0.00 0.42 0.13 0.10 93.05 03:39:01 AM 7 4.11 0.00 0.60 0.20 0.05 95.04 03:40:01 AM all 27.55 0.00 1.68 1.10 0.09 69.59 03:40:01 AM 0 26.36 0.00 1.12 0.08 0.10 72.33 03:40:01 AM 1 33.92 0.00 2.58 1.81 0.08 61.61 03:40:01 AM 2 29.77 0.00 1.29 0.95 0.08 67.90 03:40:01 AM 3 19.94 0.00 1.56 0.87 0.10 77.53 03:40:01 AM 4 34.67 0.00 1.54 1.05 0.07 62.67 03:40:01 AM 5 18.57 0.00 1.51 0.62 0.08 79.22 03:40:01 AM 6 27.37 0.00 1.52 0.64 0.08 70.39 03:40:01 AM 7 29.74 0.00 2.36 2.75 0.08 65.07 03:41:01 AM all 17.61 0.00 2.80 1.05 0.09 78.45 03:41:01 AM 0 15.81 0.00 2.79 0.35 0.08 80.97 03:41:01 AM 1 16.25 0.00 2.84 1.80 0.08 79.04 03:41:01 AM 2 17.17 0.00 2.77 1.01 0.10 78.94 03:41:01 AM 3 21.90 0.00 3.80 1.66 0.10 72.54 03:41:01 AM 4 22.68 0.00 2.80 0.56 0.08 73.88 03:41:01 AM 5 17.53 0.00 2.82 1.02 0.07 78.56 03:41:01 AM 6 16.76 0.00 2.30 1.70 0.08 79.16 03:41:01 AM 7 12.81 0.00 2.29 0.30 0.08 84.51 Average: all 19.11 0.00 1.88 0.90 0.08 78.03 Average: 0 15.18 0.00 1.62 0.51 0.09 82.60 Average: 1 27.84 0.00 2.69 1.47 0.08 67.93 Average: 2 20.62 0.00 1.86 0.79 0.08 76.64 Average: 3 20.58 0.00 2.24 1.01 0.08 76.08 Average: 4 21.16 0.00 1.65 0.75 0.06 76.38 Average: 5 15.11 0.00 1.85 0.75 0.07 82.22 Average: 6 16.81 0.00 1.41 0.82 0.09 80.87 Average: 7 15.55 0.00 1.75 1.08 0.07 81.54