---> uname -a: Linux prd-centos8-docker-8c-8g-3438.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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 1044 27236 20 3607 30380 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:39:e2:68 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.101/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86156sec preferred_lft 86156sec inet6 fe80::f816:3eff:fe39:e268/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:46:f1:e2:23 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::42:46ff:fef1:e223/64 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) 09/20/2026 _x86_64_ (8 CPU) 03:37:34 LINUX RESTART (8 CPU) 03:38:02 AM tps rtps wtps bread/s bwrtn/s 03:39:01 AM 153.58 6.13 147.44 936.09 7294.63 03:40:02 AM 430.25 18.86 411.39 4365.82 17779.13 03:41:01 AM 239.02 2.42 236.60 105.46 15853.44 Average: 275.17 9.19 265.97 1816.99 13665.86 03:38:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:39:01 AM 29408304 31218004 3245068 9.94 2688 2128516 1479424 4.39 138176 2655392 270588 03:40:02 AM 28242972 30503928 4410400 13.51 2688 2569372 2098900 6.23 223040 3681704 173676 03:41:01 AM 26032216 29272236 6621156 20.28 2688 3535980 3498868 10.38 486320 5580120 730708 Average: 27894497 30331389 4758875 14.57 2688 2744623 2359064 7.00 282512 3972405 391657 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 91.39 60.78 1347.24 10.25 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 03:40:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:02 AM eth0 433.93 399.75 4346.09 77.53 0.00 0.00 0.00 0.00 03:40:02 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 645.07 507.42 9669.39 56.56 0.00 0.00 0.00 0.00 03:41:01 AM docker0 0.00 0.00 0.00 0.00 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 390.38 323.09 5116.51 48.28 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 09/20/2026 _x86_64_ (8 CPU) 03:37:34 LINUX RESTART (8 CPU) 03:38:02 AM CPU %user %nice %system %iowait %steal %idle 03:39:01 AM all 9.06 0.00 0.88 0.72 0.00 89.34 03:39:01 AM 0 2.65 0.00 0.29 0.31 0.00 96.76 03:39:01 AM 1 5.52 0.00 0.54 0.24 0.00 93.70 03:39:01 AM 2 23.15 0.00 2.41 2.46 0.00 71.98 03:39:01 AM 3 5.07 0.00 0.56 0.85 0.00 93.52 03:39:01 AM 4 1.17 0.00 0.24 0.15 0.02 98.42 03:39:01 AM 5 15.74 0.00 1.09 0.73 0.00 82.45 03:39:01 AM 6 17.44 0.00 1.73 0.59 0.02 80.22 03:39:01 AM 7 1.71 0.00 0.22 0.39 0.00 97.67 03:40:02 AM all 18.76 0.00 1.66 1.31 0.01 78.26 03:40:02 AM 0 23.51 0.00 2.41 2.88 0.02 71.18 03:40:02 AM 1 12.09 0.00 1.31 0.87 0.02 85.71 03:40:02 AM 2 23.58 0.00 1.25 0.70 0.02 74.45 03:40:02 AM 3 22.21 0.00 2.39 1.88 0.03 73.49 03:40:02 AM 4 19.68 0.00 1.04 0.49 0.00 78.79 03:40:02 AM 5 9.21 0.00 1.39 0.57 0.02 88.81 03:40:02 AM 6 21.04 0.00 1.98 1.76 0.00 75.23 03:40:02 AM 7 18.78 0.00 1.49 1.31 0.02 78.41 03:41:01 AM all 26.41 0.00 2.07 0.73 0.01 70.77 03:41:01 AM 0 19.96 0.00 1.47 0.62 0.02 77.94 03:41:01 AM 1 25.06 0.00 1.69 0.34 0.03 72.88 03:41:01 AM 2 24.59 0.00 1.91 0.19 0.00 73.31 03:41:01 AM 3 31.71 0.00 2.65 1.06 0.02 64.57 03:41:01 AM 4 37.44 0.00 3.28 1.95 0.02 57.31 03:41:01 AM 5 27.38 0.00 1.80 0.17 0.02 70.63 03:41:01 AM 6 29.32 0.00 2.29 0.73 0.02 67.64 03:41:01 AM 7 15.88 0.00 1.52 0.77 0.00 81.83 Average: all 18.07 0.00 1.54 0.92 0.01 79.47 Average: 0 15.40 0.00 1.39 1.28 0.01 81.92 Average: 1 14.19 0.00 1.18 0.49 0.02 84.12 Average: 2 23.77 0.00 1.86 1.12 0.01 73.25 Average: 3 19.65 0.00 1.87 1.26 0.02 77.20 Average: 4 19.40 0.00 1.51 0.86 0.01 78.21 Average: 5 17.38 0.00 1.42 0.49 0.01 80.69 Average: 6 22.58 0.00 2.00 1.03 0.01 74.38 Average: 7 12.15 0.00 1.08 0.82 0.01 85.94