---> uname -a: Linux prd-centos8-docker-4c-4g-17121.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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1075 10762 20 3922 14334 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:5f:36:c8 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.102/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86075sec preferred_lft 86075sec inet6 fe80::f816:3eff:fe5f:36c8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:35:37:2b:69 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::42:35ff:fe37:2b69/64 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) 09/01/2026 _x86_64_ (4 CPU) 11:47:04 LINUX RESTART (4 CPU) 11:48:01 AM tps rtps wtps bread/s bwrtn/s 11:49:01 AM 188.97 4.83 184.14 444.86 11260.14 11:50:00 AM 214.16 3.36 210.80 960.22 27378.70 11:50:01 AM 550.59 0.00 550.59 0.00 287112.94 11:51:01 AM 1220.19 95.03 1125.16 1697.17 29317.86 11:52:01 AM 73.23 23.64 49.58 429.32 2690.55 Average: 426.53 31.69 394.83 876.11 19501.33 11:48:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:49:01 AM 12562180 14604148 3577136 22.16 2688 2247516 1684788 9.80 161232 3007044 227308 11:50:00 AM 11285692 14102568 4853624 30.07 2688 3004916 2206768 12.84 423620 3950940 232836 11:50:01 AM 11248112 14097384 4891204 30.31 2688 3034840 1953516 11.37 424872 3984004 24168 11:51:01 AM 9711668 13305008 6427648 39.83 2688 3583820 2030736 11.81 474296 5028156 6772 11:52:01 AM 11014280 14659664 5125036 31.75 2688 3632500 1276380 7.43 681208 3527664 21256 Average: 11164386 14153754 4974930 30.82 2688 3100718 1830438 10.65 433046 3899562 102468 11:48:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:49:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:49:01 AM eth0 173.44 146.79 2188.98 35.34 0.00 0.00 0.00 0.00 11:49:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:00 AM lo 6.26 6.26 4.73 4.73 0.00 0.00 0.00 0.00 11:50:00 AM eth0 411.18 328.02 5501.23 1251.81 0.00 0.00 0.00 0.00 11:50:00 AM docker0 3.40 3.16 4.20 0.46 0.00 0.00 0.00 0.00 11:50:00 AM vetha83cd9f 0.15 0.45 0.01 0.04 0.00 0.00 0.00 0.00 11:50:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:01 AM eth0 554.71 471.18 2858.00 53.94 0.00 0.00 0.00 0.00 11:50:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:51:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:51:01 AM eth0 138.14 94.14 1116.08 15.06 0.00 0.00 0.00 0.00 11:51:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:52:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:52:01 AM eth0 17.66 15.83 46.40 39.63 0.00 0.00 0.00 0.00 11:52:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.52 1.52 1.15 1.15 0.00 0.00 0.00 0.00 Average: eth0 186.12 147.21 2194.46 326.99 0.00 0.00 0.00 0.00 Average: docker0 0.82 0.77 1.02 0.11 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) 09/01/2026 _x86_64_ (4 CPU) 11:47:04 LINUX RESTART (4 CPU) 11:48:01 AM CPU %user %nice %system %iowait %steal %idle 11:49:01 AM all 22.56 0.00 2.26 1.08 0.02 74.08 11:49:01 AM 0 15.09 0.00 1.67 0.63 0.00 82.61 11:49:01 AM 1 33.09 0.00 3.97 1.82 0.05 61.07 11:49:01 AM 2 18.69 0.00 1.27 0.87 0.02 79.15 11:49:01 AM 3 23.41 0.00 2.16 0.99 0.02 73.43 11:50:00 AM all 44.95 0.10 3.69 1.28 0.03 49.96 11:50:00 AM 0 45.46 0.03 3.05 1.31 0.03 50.10 11:50:00 AM 1 42.54 0.10 4.29 1.69 0.03 51.34 11:50:00 AM 2 45.68 0.19 4.29 1.26 0.00 48.58 11:50:00 AM 3 46.10 0.07 3.14 0.85 0.03 49.81 11:50:01 AM all 29.39 0.00 11.82 4.70 0.00 54.09 11:50:01 AM 0 20.12 0.00 9.15 0.00 0.00 70.73 11:50:01 AM 1 17.47 0.00 12.05 5.42 0.00 65.06 11:50:01 AM 2 64.24 0.00 12.73 6.06 0.00 16.97 11:50:01 AM 3 15.76 0.00 13.33 7.27 0.00 63.64 11:51:01 AM all 29.52 0.00 10.53 8.17 0.04 51.75 11:51:01 AM 0 29.80 0.00 10.63 6.79 0.03 52.74 11:51:01 AM 1 17.98 0.00 9.77 7.60 0.03 64.63 11:51:01 AM 2 25.53 0.00 11.10 8.25 0.03 55.09 11:51:01 AM 3 44.87 0.00 10.61 10.03 0.05 34.43 11:52:01 AM all 31.82 0.00 1.79 9.12 0.03 57.24 11:52:01 AM 0 42.21 0.00 1.67 7.39 0.03 48.70 11:52:01 AM 1 27.92 0.00 1.99 11.20 0.03 58.85 11:52:01 AM 2 23.43 0.00 1.59 7.45 0.03 67.50 11:52:01 AM 3 33.72 0.00 1.91 10.44 0.03 53.91 Average: all 32.10 0.02 4.60 4.92 0.03 58.32 Average: 0 32.95 0.01 4.27 4.01 0.03 58.73 Average: 1 30.23 0.03 5.04 5.60 0.04 59.06 Average: 2 28.45 0.05 4.60 4.48 0.02 62.40 Average: 3 36.77 0.02 4.50 5.60 0.03 53.09