---> uname -a: Linux prd-centos8-docker-4c-4g-2786.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 1031 10744 20 3984 14379 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:82:97:55 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.209/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85901sec preferred_lft 85901sec inet6 fe80::f816:3eff:fe82:9755/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:8a:40:87:a7 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::42:8aff:fe40:87a7/64 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) 11/12/2026 _x86_64_ (4 CPU) 09:05:22 LINUX RESTART (4 CPU) 09:06:02 AM tps rtps wtps bread/s bwrtn/s 09:07:01 AM 284.19 18.26 265.93 3146.91 5152.11 09:08:01 AM 100.95 0.54 100.41 152.52 9570.45 09:09:01 AM 211.40 22.06 189.34 3952.81 10987.39 09:10:00 AM 26.58 0.43 26.15 393.93 4901.64 09:11:01 AM 67.76 1.38 66.38 79.02 12145.06 09:12:01 AM 1131.74 11.41 1120.33 152.22 33821.99 09:13:01 AM 155.91 84.36 71.55 1619.99 5313.67 09:14:01 AM 66.13 24.88 41.25 547.42 2250.58 Average: 255.84 20.46 235.38 1253.84 10532.21 09:06:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:07:01 AM 13491840 15086432 2647476 16.40 2688 1821760 1200540 6.98 138804 2190828 49108 09:08:01 AM 13202072 15143736 2937244 18.20 2688 2150156 1085680 6.32 140672 2409784 176688 09:09:01 AM 11925764 14217608 4213552 26.11 2688 2493908 1890816 11.00 204072 3586616 124708 09:10:00 AM 11846108 14164044 4293208 26.60 2688 2519128 2246964 13.07 205760 3658540 20 09:11:01 AM 11574436 14241080 4564880 28.28 2688 2858084 2361808 13.74 332320 3766848 2708 09:12:01 AM 9680184 13274884 6459132 40.02 2688 3586628 2371224 13.80 460296 5078164 86596 09:13:01 AM 9865500 13536468 6273816 38.87 2688 3659192 2376636 13.83 484540 4869660 24 09:14:01 AM 11000904 14722828 5138412 31.84 2688 3703268 1239200 7.21 699776 3519264 7252 Average: 11573351 14298385 4565965 28.29 2688 2849016 1846608 10.74 333280 3634963 55888 09:06:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:07:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:07:01 AM eth0 192.83 132.09 1195.12 62.03 0.00 0.00 0.00 0.00 09:07:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:08:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:08:01 AM eth0 61.14 36.91 966.10 5.49 0.00 0.00 0.00 0.00 09:08:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:09:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:09:01 AM eth0 263.34 232.71 3136.51 39.76 0.00 0.00 0.00 0.00 09:09:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:00 AM lo 0.22 0.22 0.01 0.01 0.00 0.00 0.00 0.00 09:10:00 AM eth0 10.20 7.36 98.55 1.87 0.00 0.00 0.00 0.00 09:10:00 AM docker0 0.15 0.27 0.01 0.02 0.00 0.00 0.00 0.00 09:10:00 AM veth6bc16c1 0.15 0.42 0.01 0.03 0.00 0.00 0.00 0.00 09:11:01 AM lo 8.05 8.05 5.41 5.41 0.00 0.00 0.00 0.00 09:11:01 AM eth0 94.06 56.43 2166.58 8.38 0.00 0.00 0.00 0.00 09:11:01 AM docker0 3.29 3.08 4.08 0.44 0.00 0.00 0.00 0.00 09:11:01 AM veth6bc16c1 0.18 0.23 0.01 0.01 0.00 0.00 0.00 0.00 09:12:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:12:01 AM eth0 206.93 154.85 1820.55 951.49 0.00 0.00 0.00 0.00 09:12:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:13:01 AM lo 0.77 0.77 0.08 0.08 0.00 0.00 0.00 0.00 09:13:01 AM eth0 5.93 4.76 61.32 0.84 0.00 0.00 0.00 0.00 09:13:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:14:01 AM lo 4.07 4.07 0.60 0.60 0.00 0.00 0.00 0.00 09:14:01 AM eth0 25.21 20.08 52.81 52.13 0.00 0.00 0.00 0.00 09:14:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.65 1.65 0.77 0.77 0.00 0.00 0.00 0.00 Average: eth0 107.38 80.64 1188.00 140.68 0.00 0.00 0.00 0.00 Average: docker0 0.43 0.42 0.51 0.06 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) 11/12/2026 _x86_64_ (4 CPU) 09:05:22 LINUX RESTART (4 CPU) 09:06:02 AM CPU %user %nice %system %iowait %steal %idle 09:07:01 AM all 13.26 0.00 1.85 1.08 0.01 83.79 09:07:01 AM 0 11.63 0.00 1.80 0.24 0.02 86.31 09:07:01 AM 1 16.15 0.00 2.78 3.54 0.02 77.51 09:07:01 AM 2 7.71 0.00 1.50 0.29 0.02 90.49 09:07:01 AM 3 17.53 0.00 1.34 0.27 0.00 80.85 09:08:01 AM all 11.41 0.00 1.25 0.46 0.00 86.87 09:08:01 AM 0 17.84 0.00 1.56 0.22 0.00 80.38 09:08:01 AM 1 22.31 0.00 2.19 0.73 0.00 74.77 09:08:01 AM 2 3.76 0.00 0.88 0.68 0.00 94.68 09:08:01 AM 3 1.72 0.00 0.37 0.22 0.02 97.67 09:09:01 AM all 28.12 0.00 1.96 1.06 0.02 68.85 09:09:01 AM 0 25.41 0.00 1.72 1.04 0.02 71.82 09:09:01 AM 1 31.72 0.00 1.84 1.07 0.02 65.36 09:09:01 AM 2 30.98 0.00 2.46 1.47 0.02 65.07 09:09:01 AM 3 24.36 0.00 1.81 0.65 0.02 73.17 09:10:00 AM all 1.11 0.00 0.33 0.31 0.02 98.24 09:10:00 AM 0 0.85 0.00 0.32 0.28 0.03 98.51 09:10:00 AM 1 1.17 0.00 0.35 0.25 0.02 98.21 09:10:00 AM 2 1.31 0.00 0.33 0.28 0.02 98.06 09:10:00 AM 3 1.10 0.00 0.32 0.40 0.02 98.16 09:11:01 AM all 23.27 0.09 2.13 0.49 0.03 74.00 09:11:01 AM 0 23.66 0.23 1.98 0.39 0.02 73.73 09:11:01 AM 1 25.37 0.05 2.34 0.64 0.03 71.57 09:11:01 AM 2 25.32 0.03 1.96 0.33 0.03 72.32 09:11:01 AM 3 18.71 0.03 2.26 0.59 0.02 78.39 09:12:01 AM all 18.23 0.00 9.22 8.41 0.03 64.10 09:12:01 AM 0 21.33 0.00 8.68 8.00 0.05 61.95 09:12:01 AM 1 13.31 0.00 8.66 8.58 0.02 69.43 09:12:01 AM 2 13.18 0.00 9.55 8.57 0.03 68.66 09:12:01 AM 3 25.11 0.00 9.99 8.51 0.03 56.36 09:13:01 AM all 40.82 0.00 1.52 1.14 0.04 56.47 09:13:01 AM 0 33.02 0.00 1.59 3.18 0.03 62.18 09:13:01 AM 1 31.38 0.00 1.67 0.82 0.05 66.08 09:13:01 AM 2 71.37 0.00 1.82 0.30 0.05 26.46 09:13:01 AM 3 27.50 0.00 0.99 0.28 0.03 71.20 09:14:01 AM all 25.89 0.00 2.28 0.51 0.01 71.31 09:14:01 AM 0 35.94 0.00 2.77 0.47 0.02 60.80 09:14:01 AM 1 29.05 0.00 2.67 0.82 0.00 67.46 09:14:01 AM 2 12.77 0.00 1.70 0.40 0.00 85.13 09:14:01 AM 3 25.80 0.00 1.96 0.37 0.02 71.86 Average: all 20.30 0.01 2.56 1.68 0.02 75.43 Average: 0 21.24 0.03 2.55 1.72 0.02 74.44 Average: 1 21.33 0.01 2.81 2.05 0.02 73.79 Average: 2 20.88 0.00 2.52 1.53 0.02 75.04 Average: 3 17.75 0.00 2.38 1.41 0.02 78.44