---> uname -a: Linux prd-centos8-docker-8c-8g-4390.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 1043 27081 19 3762 30382 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:a0:45:fe brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.154/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86125sec preferred_lft 86125sec inet6 fe80::f816:3eff:fea0:45fe/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:4b:b7:43:e2 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::42:4bff:feb7:43e2/64 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) 07/01/2026 _x86_64_ (8 CPU) 17:12:08 LINUX RESTART (8 CPU) 05:13:01 PM tps rtps wtps bread/s bwrtn/s 05:14:01 PM 223.38 14.58 208.80 3222.39 12939.92 05:15:01 PM 383.80 4.82 378.99 1166.21 16757.56 05:16:01 PM 218.92 4.91 214.01 491.75 41005.30 Average: 275.36 8.10 267.26 1626.75 23568.94 05:13:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:14:01 PM 28996008 31072976 3657364 11.20 2688 2389560 1600540 4.75 193432 2983392 215660 05:15:01 PM 27800780 30279648 4852592 14.86 2688 2782600 2148544 6.38 400468 3927396 172084 05:16:01 PM 27726924 31105308 4926448 15.09 2688 3672184 1547512 4.59 642560 3728220 166144 Average: 28174571 30819311 4478801 13.72 2688 2948115 1765532 5.24 412153 3546336 184629 05:13:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:14:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM eth0 256.76 213.26 2456.22 50.96 0.00 0.00 0.00 0.00 05:14:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM eth0 443.26 378.42 5601.41 52.34 0.00 0.00 0.00 0.00 05:15:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 PM eth0 565.05 482.01 5990.76 1409.88 0.00 0.00 0.00 0.00 05:16:01 PM docker0 6.46 13.91 0.49 260.06 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 421.70 357.90 4682.82 504.47 0.00 0.00 0.00 0.00 Average: docker0 2.15 4.64 0.16 86.70 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) 07/01/2026 _x86_64_ (8 CPU) 17:12:08 LINUX RESTART (8 CPU) 05:13:01 PM CPU %user %nice %system %iowait %steal %idle 05:14:01 PM all 13.52 0.00 1.30 0.71 0.07 84.41 05:14:01 PM 0 7.39 0.00 0.90 0.52 0.08 91.11 05:14:01 PM 1 10.62 0.00 0.97 0.45 0.05 87.91 05:14:01 PM 2 12.45 0.00 1.91 1.32 0.05 84.27 05:14:01 PM 3 21.92 0.00 1.52 1.05 0.07 75.44 05:14:01 PM 4 11.25 0.00 0.64 0.92 0.08 87.11 05:14:01 PM 5 12.36 0.00 0.85 0.47 0.08 86.24 05:14:01 PM 6 14.45 0.00 1.60 0.52 0.05 83.38 05:14:01 PM 7 17.71 0.00 2.01 0.42 0.07 79.80 05:15:01 PM all 26.18 0.00 1.57 1.17 0.09 71.00 05:15:01 PM 0 33.56 0.00 0.87 0.02 0.10 65.45 05:15:01 PM 1 26.38 0.00 2.33 3.28 0.10 67.91 05:15:01 PM 2 24.37 0.00 1.71 1.49 0.08 72.35 05:15:01 PM 3 30.52 0.00 1.22 0.92 0.08 67.25 05:15:01 PM 4 34.62 0.00 1.63 0.96 0.07 62.73 05:15:01 PM 5 15.18 0.00 1.53 0.89 0.08 82.32 05:15:01 PM 6 25.51 0.00 1.59 0.96 0.08 71.86 05:15:01 PM 7 19.26 0.00 1.71 0.82 0.08 78.12 05:16:01 PM all 16.95 0.00 2.47 1.05 0.08 79.45 05:16:01 PM 0 16.64 0.00 2.18 1.14 0.08 79.96 05:16:01 PM 1 23.76 0.00 3.38 2.77 0.10 69.99 05:16:01 PM 2 13.69 0.00 3.04 1.73 0.08 81.46 05:16:01 PM 3 23.23 0.00 2.57 1.26 0.08 72.86 05:16:01 PM 4 23.33 0.00 2.48 0.13 0.07 73.99 05:16:01 PM 5 9.23 0.00 2.15 0.37 0.08 88.16 05:16:01 PM 6 16.05 0.00 2.15 0.72 0.08 81.00 05:16:01 PM 7 9.69 0.00 1.79 0.27 0.07 88.19 Average: all 18.88 0.00 1.78 0.97 0.08 78.29 Average: 0 19.19 0.00 1.32 0.56 0.09 78.85 Average: 1 20.24 0.00 2.22 2.17 0.08 75.29 Average: 2 16.83 0.00 2.22 1.51 0.07 79.36 Average: 3 25.22 0.00 1.77 1.08 0.08 71.86 Average: 4 23.06 0.00 1.58 0.67 0.07 74.62 Average: 5 12.26 0.00 1.51 0.58 0.08 85.57 Average: 6 18.66 0.00 1.78 0.73 0.07 78.75 Average: 7 15.56 0.00 1.84 0.50 0.07 82.03