---> uname -a: Linux prd-centos8-docker-4c-4g-395.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): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 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): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 766 12187 19 2807 14655 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:3c:4a:1c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.170/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85976sec preferred_lft 85976sec inet6 fe80::f816:3eff:fe3c:4a1c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:0a:1f:a9:12 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 ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 07/17/2026 _x86_64_ (4 CPU) 09:46:29 LINUX RESTART (4 CPU) 09:47:01 AM tps rtps wtps bread/s bwrtn/s 09:48:01 AM 162.13 6.18 155.95 941.95 7793.57 09:49:01 AM 192.47 20.33 172.14 4128.65 15250.09 09:50:01 AM 101.53 1.72 99.82 102.71 10771.86 09:51:01 AM 6.45 0.00 6.45 0.00 315.81 09:52:01 AM 1.18 0.03 1.15 0.53 264.32 09:53:01 AM 11.93 3.17 8.77 192.63 285.27 Average: 79.28 5.24 74.05 894.30 5780.61 09:47:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:48:01 AM 13171496 15064100 2967824 18.39 2688 2104308 1152340 6.70 159212 2441784 246608 09:49:01 AM 12276692 14528864 3862628 23.93 2688 2454868 1564772 9.10 216284 3231776 76632 09:50:01 AM 10771452 13257464 5367868 33.26 2688 2684844 2767744 16.10 261908 4672908 3196 09:51:01 AM 9994464 12486664 6144856 38.07 2688 2690804 3352328 19.50 263936 5446352 2872 09:52:01 AM 9915660 12413140 6223660 38.56 2688 2695884 3415776 19.87 264236 5524504 508 09:53:01 AM 12550168 15074964 3589152 22.24 2688 2721516 1108716 6.45 460200 2699172 37976 Average: 11446655 13804199 4692665 29.08 2688 2558704 2226946 12.96 270963 4002749 61299 09:47:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:48:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:48:01 AM eth0 150.15 93.24 1364.23 29.75 0.00 0.00 0.00 0.00 09:48:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:49:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:49:01 AM eth0 215.55 175.37 2316.13 36.29 0.00 0.00 0.00 0.00 09:49:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:01 AM eth0 263.88 181.25 3467.75 32.61 0.00 0.00 0.00 0.00 09:50:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:51:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:51:01 AM eth0 76.46 44.85 29.86 41.36 0.00 0.00 0.00 0.00 09:51:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:52:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:52:01 AM eth0 342.71 204.93 102.11 90.51 0.00 0.00 0.00 0.00 09:52:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:53:01 AM lo 7.20 7.20 0.85 0.85 0.00 0.00 0.00 0.00 09:53:01 AM eth0 30.63 24.26 15.99 21.95 0.00 0.00 0.00 0.00 09:53:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.20 1.20 0.14 0.14 0.00 0.00 0.00 0.00 Average: eth0 179.90 120.65 1216.23 42.08 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) 07/17/2026 _x86_64_ (4 CPU) 09:46:29 LINUX RESTART (4 CPU) 09:47:01 AM CPU %user %nice %system %iowait %steal %idle 09:48:01 AM all 19.54 0.00 2.17 1.28 0.08 76.93 09:48:01 AM 0 16.49 0.00 2.39 0.88 0.08 80.15 09:48:01 AM 1 30.08 0.00 2.79 1.86 0.10 65.17 09:48:01 AM 2 13.22 0.00 1.26 0.81 0.07 84.65 09:48:01 AM 3 18.34 0.00 2.23 1.58 0.07 77.79 09:49:01 AM all 41.73 0.00 2.65 1.92 0.18 53.53 09:49:01 AM 0 35.42 0.00 3.29 2.14 0.20 58.95 09:49:01 AM 1 47.69 0.00 2.15 2.15 0.18 47.83 09:49:01 AM 2 43.94 0.00 1.98 1.61 0.17 52.31 09:49:01 AM 3 39.88 0.00 3.17 1.79 0.17 55.00 09:50:01 AM all 73.11 0.00 2.37 0.61 0.24 23.67 09:50:01 AM 0 69.00 0.00 2.83 1.02 0.25 26.90 09:50:01 AM 1 76.52 0.00 1.47 0.13 0.23 21.64 09:50:01 AM 2 69.13 0.00 1.64 0.64 0.22 28.38 09:50:01 AM 3 77.78 0.00 3.53 0.67 0.25 17.77 09:51:01 AM all 49.26 0.00 1.18 0.02 0.21 49.33 09:51:01 AM 0 28.60 0.00 1.17 0.03 0.22 69.97 09:51:01 AM 1 60.35 0.00 0.68 0.03 0.20 38.73 09:51:01 AM 2 56.31 0.00 1.34 0.00 0.23 42.12 09:51:01 AM 3 51.74 0.00 1.51 0.02 0.20 46.53 09:52:01 AM all 18.15 0.00 1.15 0.01 0.10 80.59 09:52:01 AM 0 27.08 0.00 1.54 0.02 0.10 71.27 09:52:01 AM 1 14.37 0.00 0.79 0.00 0.12 84.73 09:52:01 AM 2 12.67 0.00 1.29 0.02 0.08 85.94 09:52:01 AM 3 18.47 0.00 1.00 0.00 0.10 80.43 09:53:01 AM all 50.67 0.00 1.65 0.42 0.15 47.11 09:53:01 AM 0 58.33 0.00 1.23 0.18 0.15 40.10 09:53:01 AM 1 45.52 0.00 1.94 0.25 0.15 52.14 09:53:01 AM 2 43.81 0.00 0.95 0.05 0.15 55.04 09:53:01 AM 3 55.01 0.00 2.46 1.21 0.17 41.15 Average: all 42.08 0.00 1.86 0.71 0.16 55.19 Average: 0 39.14 0.00 2.08 0.71 0.17 57.90 Average: 1 45.76 0.00 1.64 0.74 0.16 51.70 Average: 2 39.88 0.00 1.41 0.52 0.15 58.04 Average: 3 43.52 0.00 2.32 0.88 0.16 53.12