---> uname -a: Linux prd-centos8-docker-4c-4g-134.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: 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): 0-3 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 781 12188 20 2791 14640 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:04:d4:38 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.194/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86011sec preferred_lft 86011sec inet6 fe80::f816:3eff:fe04:d438/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:2d:3f:fb:ef 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) 09/09/2026 _x86_64_ (4 CPU) 08:27:25 LINUX RESTART (4 CPU) 08:29:01 AM tps rtps wtps bread/s bwrtn/s 08:30:01 AM 184.46 18.74 165.71 3359.81 11593.19 08:31:01 AM 152.84 3.20 149.64 778.14 11824.83 08:32:01 AM 29.98 0.05 29.93 1.07 7722.46 08:33:02 AM 2.72 0.00 2.72 0.00 221.24 08:34:01 AM 14.57 2.93 11.64 177.84 590.90 Average: 77.12 4.99 72.13 865.67 6409.48 08:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:01 AM 12694672 14837860 3444644 21.34 2688 2349204 1313600 7.64 164784 2878560 236440 08:31:01 AM 10765204 13231752 5374112 33.30 2688 2666376 2832348 16.48 252044 4687868 221644 08:32:01 AM 10140896 12611908 5998420 37.17 2688 2670656 3251056 18.91 263560 5299144 1928 08:33:02 AM 9387448 11865040 6751868 41.83 2688 2677024 3963520 23.06 265276 6048584 3208 08:34:01 AM 12451608 14958060 3687708 22.85 2688 2704412 1188884 6.92 460124 2797088 38284 Average: 11087966 13500924 5051350 31.30 2688 2613534 2509882 14.60 281158 4342249 100301 08:29:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 AM eth0 230.36 175.19 2257.02 27.06 0.00 0.00 0.00 0.00 08:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:31:01 AM eth0 378.69 298.27 4478.81 33.99 0.00 0.00 0.00 0.00 08:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:32:01 AM eth0 121.95 76.65 76.80 80.84 0.00 0.00 0.00 0.00 08:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:33:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:33:02 AM eth0 172.15 114.53 95.23 86.54 0.00 0.00 0.00 0.00 08:33:02 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:34:01 AM lo 6.46 6.46 0.80 0.80 0.00 0.00 0.00 0.00 08:34:01 AM eth0 23.14 20.09 11.65 10.45 0.00 0.00 0.00 0.00 08:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.27 1.27 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 185.79 137.33 1388.39 47.90 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) 09/09/2026 _x86_64_ (4 CPU) 08:27:25 LINUX RESTART (4 CPU) 08:29:01 AM CPU %user %nice %system %iowait %steal %idle 08:30:01 AM all 23.23 0.00 2.21 1.20 0.03 73.33 08:30:01 AM 0 16.83 0.00 1.60 1.52 0.02 80.03 08:30:01 AM 1 22.52 0.00 2.18 1.07 0.03 74.19 08:30:01 AM 2 26.48 0.00 2.64 1.32 0.03 69.53 08:30:01 AM 3 27.11 0.00 2.41 0.87 0.03 69.57 08:31:01 AM all 56.46 0.00 2.19 0.64 0.03 40.69 08:31:01 AM 0 45.11 0.00 2.69 0.80 0.02 51.38 08:31:01 AM 1 61.65 0.00 2.19 0.65 0.03 35.47 08:31:01 AM 2 61.52 0.00 2.37 0.70 0.02 35.39 08:31:01 AM 3 57.54 0.00 1.49 0.42 0.03 40.52 08:32:01 AM all 41.85 0.00 1.39 0.25 0.02 56.48 08:32:01 AM 0 46.92 0.00 1.39 0.07 0.03 51.60 08:32:01 AM 1 45.23 0.00 1.17 0.32 0.02 53.26 08:32:01 AM 2 42.31 0.00 1.67 0.12 0.02 55.88 08:32:01 AM 3 32.95 0.00 1.34 0.50 0.02 65.20 08:33:02 AM all 24.13 0.00 1.26 0.03 0.04 74.53 08:33:02 AM 0 18.87 0.00 0.92 0.00 0.03 80.17 08:33:02 AM 1 19.30 0.00 1.20 0.13 0.03 79.33 08:33:02 AM 2 28.43 0.00 1.64 0.00 0.05 69.88 08:33:02 AM 3 29.94 0.00 1.29 0.00 0.03 68.74 08:34:01 AM all 52.30 0.00 1.51 0.07 0.03 46.10 08:34:01 AM 0 61.67 0.00 1.55 0.07 0.03 36.68 08:34:01 AM 1 50.10 0.00 1.43 0.10 0.03 48.34 08:34:01 AM 2 50.39 0.00 2.14 0.03 0.02 47.42 08:34:01 AM 3 47.04 0.00 0.92 0.07 0.02 51.96 Average: all 39.56 0.00 1.71 0.44 0.03 58.27 Average: 0 37.80 0.00 1.63 0.49 0.03 60.05 Average: 1 39.74 0.00 1.63 0.46 0.03 58.14 Average: 2 41.80 0.00 2.09 0.44 0.03 55.65 Average: 3 38.89 0.00 1.49 0.37 0.03 59.22