---> uname -a: Linux prd-centos8-docker-8c-8g-12645.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: 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 13G 148G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1067 26332 19 4488 30351 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:68:e3:14 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.174/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86108sec preferred_lft 86108sec inet6 fe80::f816:3eff:fe68:e314/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:81:f6:e7:37 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::42:81ff:fef6:e737/64 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) 07/14/2026 _x86_64_ (8 CPU) 07:31:06 LINUX RESTART (8 CPU) 07:32:01 AM tps rtps wtps bread/s bwrtn/s 07:33:01 AM 196.17 14.55 181.62 3116.16 16377.66 07:34:01 AM 190.15 4.67 185.49 1126.16 13927.61 07:35:01 AM 259.74 16.58 243.16 5538.54 29594.30 Average: 215.35 11.93 203.42 3260.16 19965.99 07:32:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:33:01 AM 28993240 31014308 3660124 11.21 2688 2336120 1812168 5.38 187648 2995092 47308 07:34:01 AM 26968660 29795280 5684704 17.41 2688 3132644 2676992 7.94 273792 4895968 442004 07:35:01 AM 25663372 29672824 6989992 21.41 2688 4297396 2744832 8.14 738356 5670420 644808 Average: 27208424 30160804 5444940 16.67 2688 3255387 2411331 7.15 399932 4520493 378040 07:32:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:33:01 AM eth0 167.34 135.95 1752.46 40.01 0.00 0.00 0.00 0.00 07:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:34:01 AM eth0 1715.71 613.05 11562.21 61.29 0.00 0.00 0.00 0.00 07:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:35:01 AM lo 12.81 12.81 1.35 1.35 0.00 0.00 0.00 0.00 07:35:01 AM eth0 191.42 128.11 1963.69 30.14 0.00 0.00 0.00 0.00 07:35:01 AM docker0 4.80 5.95 0.65 0.69 0.00 0.00 0.00 0.00 Average: lo 4.27 4.27 0.45 0.45 0.00 0.00 0.00 0.00 Average: eth0 691.52 292.38 5092.96 43.81 0.00 0.00 0.00 0.00 Average: docker0 1.60 1.98 0.22 0.23 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) 07/14/2026 _x86_64_ (8 CPU) 07:31:06 LINUX RESTART (8 CPU) 07:32:01 AM CPU %user %nice %system %iowait %steal %idle 07:33:01 AM all 11.89 0.00 1.25 1.33 0.06 85.47 07:33:01 AM 0 7.28 0.00 1.04 1.02 0.05 90.62 07:33:01 AM 1 26.63 0.00 2.83 1.77 0.07 68.71 07:33:01 AM 2 12.41 0.00 1.12 0.62 0.07 85.79 07:33:01 AM 3 18.31 0.00 0.97 0.68 0.07 79.97 07:33:01 AM 4 7.95 0.00 0.96 2.57 0.05 88.47 07:33:01 AM 5 7.83 0.00 1.22 1.32 0.05 89.58 07:33:01 AM 6 8.16 0.00 0.99 2.31 0.08 88.45 07:33:01 AM 7 6.49 0.00 0.89 0.35 0.05 92.23 07:34:01 AM all 30.90 0.00 1.62 0.62 0.10 66.76 07:34:01 AM 0 35.67 0.00 1.95 0.59 0.12 61.68 07:34:01 AM 1 32.76 0.00 1.74 0.32 0.12 65.06 07:34:01 AM 2 28.78 0.00 1.82 1.58 0.12 67.70 07:34:01 AM 3 18.83 0.00 1.26 0.77 0.10 79.05 07:34:01 AM 4 29.03 0.00 1.83 0.77 0.10 68.26 07:34:01 AM 5 44.41 0.00 1.64 0.52 0.12 53.31 07:34:01 AM 6 32.47 0.00 1.46 0.42 0.08 65.56 07:34:01 AM 7 25.25 0.00 1.26 0.02 0.08 73.40 07:35:01 AM all 25.45 0.30 3.27 1.01 0.10 69.86 07:35:01 AM 0 30.51 0.00 3.69 0.44 0.08 65.27 07:35:01 AM 1 25.77 0.00 3.11 1.60 0.10 69.41 07:35:01 AM 2 27.34 0.02 3.52 0.71 0.10 68.31 07:35:01 AM 3 22.82 0.05 2.87 0.99 0.10 73.17 07:35:01 AM 4 23.12 0.49 2.39 1.19 0.12 72.69 07:35:01 AM 5 29.56 1.65 3.46 1.26 0.10 63.97 07:35:01 AM 6 23.16 0.19 3.72 1.28 0.10 71.55 07:35:01 AM 7 21.33 0.02 3.38 0.62 0.10 74.55 Average: all 22.73 0.10 2.04 0.99 0.09 74.04 Average: 0 24.46 0.00 2.22 0.68 0.08 72.55 Average: 1 28.39 0.00 2.56 1.23 0.09 67.73 Average: 2 22.82 0.01 2.15 0.97 0.10 73.96 Average: 3 19.98 0.02 1.70 0.81 0.09 77.40 Average: 4 20.03 0.16 1.73 1.51 0.09 76.48 Average: 5 27.23 0.55 2.11 1.03 0.09 68.99 Average: 6 21.28 0.06 2.06 1.34 0.09 75.18 Average: 7 17.67 0.01 1.84 0.33 0.08 80.07