---> uname -a: Linux prd-centos8-docker-4c-4g-2772.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 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 1052 10724 20 3983 14358 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:f5:03:5f brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.23/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85910sec preferred_lft 85910sec inet6 fe80::f816:3eff:fef5:35f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:28:ca:c3:e5 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::42:28ff:feca:c3e5/64 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) 08:47:29 LINUX RESTART (4 CPU) 08:48:01 AM tps rtps wtps bread/s bwrtn/s 08:49:01 AM 218.56 32.62 185.94 6025.00 26668.18 08:50:01 AM 96.03 0.00 96.03 0.00 9504.72 08:51:01 AM 201.97 22.58 179.39 4092.24 9888.94 08:52:01 AM 44.12 0.52 43.60 423.86 6340.64 08:53:01 AM 66.30 0.45 65.85 8.93 12094.12 08:54:01 AM 1138.20 12.18 1126.02 216.99 33692.05 08:55:01 AM 149.57 84.41 65.16 1620.66 5048.83 Average: 273.53 21.82 251.71 1769.73 14748.43 08:48:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:49:01 AM 13500464 15074840 2638852 16.35 2688 1801504 1150700 6.69 139428 2181736 43196 08:50:01 AM 13095680 15003816 3043636 18.86 2688 2119836 1214808 7.07 154604 2512200 156700 08:51:01 AM 11792468 14080044 4346848 26.93 2688 2489528 1957816 11.39 207392 3716832 167964 08:52:01 AM 11703412 14017952 4435904 27.49 2688 2515636 2330240 13.56 209644 3794764 64 08:53:01 AM 9923352 12592312 6215964 38.51 2688 2860048 4015844 23.36 281892 5458156 1364 08:54:01 AM 10032880 13626368 6106436 37.84 2688 3585524 2018744 11.75 405428 4779640 95820 08:55:01 AM 10313920 13984176 5825396 36.09 2688 3658456 1851028 10.77 435676 4467812 452 Average: 11480311 14054215 4659005 28.87 2688 2718647 2077026 12.08 262009 3844449 66509 08:48:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:49:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:49:01 AM eth0 249.56 160.30 1057.79 65.82 0.00 0.00 0.00 0.00 08:49:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:01 AM eth0 68.46 41.47 1080.04 5.57 0.00 0.00 0.00 0.00 08:50:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:51:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:51:01 AM eth0 271.79 244.42 3152.70 39.90 0.00 0.00 0.00 0.00 08:51:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:52:01 AM lo 0.18 0.18 0.01 0.01 0.00 0.00 0.00 0.00 08:52:01 AM eth0 9.35 7.01 98.37 1.33 0.00 0.00 0.00 0.00 08:52:01 AM docker0 0.13 0.23 0.01 0.02 0.00 0.00 0.00 0.00 08:52:01 AM vethc8c9d67 0.13 0.37 0.01 0.03 0.00 0.00 0.00 0.00 08:53:01 AM lo 3.48 3.48 1.62 1.62 0.00 0.00 0.00 0.00 08:53:01 AM eth0 90.70 50.79 2169.11 5.46 0.00 0.00 0.00 0.00 08:53:01 AM docker0 2.20 1.85 1.31 0.31 0.00 0.00 0.00 0.00 08:53:01 AM vethc8c9d67 0.17 0.22 0.01 0.01 0.00 0.00 0.00 0.00 08:53:01 AM vethe1f6248 2.03 1.80 1.33 0.30 0.00 0.00 0.00 0.00 08:54:01 AM lo 3.98 3.98 3.77 3.77 0.00 0.00 0.00 0.00 08:54:01 AM eth0 182.06 138.60 1823.73 25.59 0.00 0.00 0.00 0.00 08:54:01 AM docker0 1.12 1.25 2.78 0.14 0.00 0.00 0.00 0.00 08:55:01 AM lo 4.78 4.78 0.68 0.68 0.00 0.00 0.00 0.00 08:55:01 AM eth0 7.00 5.11 62.50 2.03 0.00 0.00 0.00 0.00 08:55:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.78 1.78 0.87 0.87 0.00 0.00 0.00 0.00 Average: eth0 125.56 92.53 1349.19 20.81 0.00 0.00 0.00 0.00 Average: docker0 0.49 0.48 0.59 0.07 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) 08:47:29 LINUX RESTART (4 CPU) 08:48:01 AM CPU %user %nice %system %iowait %steal %idle 08:49:01 AM all 15.77 0.00 2.39 1.10 0.01 80.72 08:49:01 AM 0 14.73 0.00 3.35 2.46 0.02 79.45 08:49:01 AM 1 18.66 0.00 2.46 0.55 0.02 78.32 08:49:01 AM 2 14.94 0.00 2.31 0.75 0.02 81.98 08:49:01 AM 3 14.76 0.00 1.46 0.64 0.00 83.15 08:50:01 AM all 10.27 0.00 1.09 2.38 0.01 86.25 08:50:01 AM 0 7.78 0.00 0.87 0.38 0.02 90.95 08:50:01 AM 1 19.94 0.00 2.17 4.83 0.02 73.04 08:50:01 AM 2 7.08 0.00 0.82 4.18 0.00 87.92 08:50:01 AM 3 6.28 0.00 0.50 0.13 0.02 93.07 08:51:01 AM all 31.41 0.00 2.15 1.32 0.01 65.12 08:51:01 AM 0 29.23 0.00 2.24 1.15 0.00 67.38 08:51:01 AM 1 32.27 0.00 2.98 1.61 0.02 63.12 08:51:01 AM 2 33.27 0.00 1.65 1.22 0.02 63.84 08:51:01 AM 3 30.86 0.00 1.71 1.29 0.02 66.13 08:52:01 AM all 1.01 0.00 0.33 0.33 0.00 98.33 08:52:01 AM 0 0.84 0.00 0.33 0.45 0.00 98.38 08:52:01 AM 1 1.05 0.00 0.32 0.28 0.00 98.35 08:52:01 AM 2 0.97 0.00 0.37 0.53 0.02 98.11 08:52:01 AM 3 1.19 0.00 0.28 0.07 0.00 98.46 08:53:01 AM all 10.58 0.08 1.62 0.42 0.01 87.30 08:53:01 AM 0 10.06 0.00 1.32 0.03 0.02 88.57 08:53:01 AM 1 12.19 0.08 1.56 0.25 0.02 85.90 08:53:01 AM 2 10.88 0.08 1.93 1.17 0.00 85.93 08:53:01 AM 3 9.18 0.15 1.66 0.22 0.00 88.79 08:54:01 AM all 27.21 0.00 8.99 7.08 0.03 56.70 08:54:01 AM 0 19.75 0.00 8.52 7.56 0.02 64.15 08:54:01 AM 1 39.14 0.00 9.83 5.71 0.02 45.31 08:54:01 AM 2 23.62 0.00 10.10 8.28 0.03 57.96 08:54:01 AM 3 26.31 0.00 7.51 6.76 0.03 59.38 08:55:01 AM all 41.16 0.00 1.61 1.07 0.03 56.14 08:55:01 AM 0 28.54 0.00 1.17 0.53 0.02 69.74 08:55:01 AM 1 30.07 0.00 1.24 0.74 0.02 67.94 08:55:01 AM 2 67.05 0.00 2.41 1.59 0.05 28.91 08:55:01 AM 3 39.00 0.00 1.61 1.42 0.03 57.93 Average: all 19.61 0.01 2.58 1.95 0.01 75.83 Average: 0 15.84 0.00 2.53 1.79 0.01 79.83 Average: 1 21.87 0.01 2.93 1.99 0.01 73.19 Average: 2 22.54 0.01 2.79 2.52 0.02 72.12 Average: 3 18.21 0.02 2.09 1.49 0.01 78.17