---> uname -a: Linux prd-centos8-docker-4c-4g-1869.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 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 775 12184 20 2801 14645 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:36:6b:41 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.192/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85960sec preferred_lft 85960sec inet6 fe80::f816:3eff:fe36:6b41/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ad:66:49:96 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) 11/09/2026 _x86_64_ (4 CPU) 05:49:51 LINUX RESTART (4 CPU) 05:50:00 AM tps rtps wtps bread/s bwrtn/s 05:51:01 AM 283.69 148.64 135.05 19294.84 38043.42 05:52:01 AM 62.91 0.42 62.49 39.33 5934.39 05:53:01 AM 198.22 20.86 177.36 4261.21 14513.99 05:54:01 AM 90.39 3.35 87.04 142.70 5589.87 05:55:01 AM 33.87 1.00 32.87 84.37 7027.64 05:56:01 AM 10.31 0.00 10.31 0.00 225.69 05:57:01 AM 17.69 0.57 17.13 59.45 1078.59 Average: 99.94 25.21 74.73 3441.89 10397.71 05:50:00 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:51:01 AM 13553956 15134148 2585360 16.02 2688 1807700 1106976 6.44 148068 2122652 90204 05:52:01 AM 13317272 15124472 2822044 17.49 2688 2023360 1084808 6.31 147712 2316220 174080 05:53:01 AM 12145376 14376432 3993940 24.75 2688 2434352 1978872 11.51 207768 3367596 107168 05:54:01 AM 10792480 13266700 5346836 33.13 2688 2673656 2728920 15.88 266028 4644712 196980 05:55:01 AM 9005128 11499288 7134188 44.20 2688 2693108 4412404 25.67 275504 6415208 3076 05:56:01 AM 8953624 11452644 7185692 44.52 2688 2697788 4428608 25.77 275720 6465296 3516 05:57:01 AM 12470772 14989280 3668544 22.73 2688 2715656 1174872 6.84 464592 2769588 30200 Average: 11462658 13691852 4676658 28.98 2688 2435089 2416494 14.06 255056 4014467 86461 05:50:00 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:51:01 AM lo 0.03 0.03 0.00 0.00 0.00 0.00 0.00 0.00 05:51:01 AM eth0 258.37 159.54 1079.16 64.09 0.00 0.00 0.00 0.00 05:51:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:52:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:52:01 AM eth0 66.92 46.11 902.92 7.17 0.00 0.00 0.00 0.00 05:52:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:53:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:53:01 AM eth0 206.99 176.26 2249.68 29.90 0.00 0.00 0.00 0.00 05:53:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:54:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:54:01 AM eth0 219.05 172.75 3540.00 21.56 0.00 0.00 0.00 0.00 05:54:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:55:01 AM lo 5.28 5.28 0.70 0.70 0.00 0.00 0.00 0.00 05:55:01 AM eth0 113.53 79.01 44.86 66.62 0.00 0.00 0.00 0.00 05:55:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:56:01 AM lo 2.53 2.53 0.20 0.20 0.00 0.00 0.00 0.00 05:56:01 AM eth0 231.04 195.28 75.64 84.32 0.00 0.00 0.00 0.00 05:56:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:57:01 AM lo 1.37 1.37 0.10 0.10 0.00 0.00 0.00 0.00 05:57:01 AM eth0 31.24 26.22 54.09 15.81 0.00 0.00 0.00 0.00 05:57:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.31 1.31 0.14 0.14 0.00 0.00 0.00 0.00 Average: eth0 161.22 122.25 1135.31 41.39 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) 11/09/2026 _x86_64_ (4 CPU) 05:49:51 LINUX RESTART (4 CPU) 05:50:00 AM CPU %user %nice %system %iowait %steal %idle 05:51:01 AM all 19.59 0.00 5.97 4.31 0.01 70.12 05:51:01 AM 0 22.65 0.00 5.57 1.11 0.02 70.65 05:51:01 AM 1 21.46 0.00 7.19 6.18 0.02 65.15 05:51:01 AM 2 17.42 0.00 6.53 6.02 0.02 70.02 05:51:01 AM 3 16.80 0.00 4.59 3.91 0.00 74.69 05:52:01 AM all 9.34 0.00 0.94 0.32 0.00 89.39 05:52:01 AM 0 20.78 0.00 1.55 0.55 0.00 77.12 05:52:01 AM 1 2.99 0.00 0.60 0.42 0.00 95.99 05:52:01 AM 2 3.21 0.00 0.33 0.08 0.00 96.37 05:52:01 AM 3 10.39 0.00 1.27 0.22 0.02 88.11 05:53:01 AM all 28.96 0.00 2.08 1.20 0.01 67.75 05:53:01 AM 0 35.22 0.00 1.85 0.70 0.00 62.23 05:53:01 AM 1 27.30 0.00 1.60 1.34 0.02 69.74 05:53:01 AM 2 28.92 0.00 3.03 1.71 0.02 66.33 05:53:01 AM 3 24.42 0.00 1.84 1.05 0.00 72.69 05:54:01 AM all 67.10 0.00 1.89 0.38 0.03 30.61 05:54:01 AM 0 71.01 0.00 1.50 0.27 0.03 27.19 05:54:01 AM 1 60.68 0.00 2.36 0.48 0.02 36.46 05:54:01 AM 2 68.67 0.00 1.95 0.27 0.03 29.07 05:54:01 AM 3 68.04 0.00 1.74 0.50 0.02 29.70 05:55:01 AM all 46.57 0.00 2.03 0.18 0.02 51.20 05:55:01 AM 0 44.10 0.00 1.56 0.03 0.00 54.32 05:55:01 AM 1 53.25 0.00 2.51 0.62 0.03 43.58 05:55:01 AM 2 40.05 0.00 1.97 0.00 0.02 57.96 05:55:01 AM 3 48.89 0.00 2.09 0.07 0.02 48.94 05:56:01 AM all 15.86 0.00 2.18 0.03 0.01 81.93 05:56:01 AM 0 10.61 0.00 2.56 0.02 0.02 86.80 05:56:01 AM 1 15.94 0.00 2.04 0.03 0.00 81.99 05:56:01 AM 2 11.54 0.00 2.30 0.03 0.02 86.11 05:56:01 AM 3 25.34 0.00 1.82 0.02 0.00 72.82 05:57:01 AM all 43.05 0.00 1.90 0.07 0.02 54.97 05:57:01 AM 0 33.49 0.00 1.42 0.03 0.02 65.04 05:57:01 AM 1 37.74 0.00 2.17 0.05 0.02 60.02 05:57:01 AM 2 66.33 0.00 2.44 0.03 0.02 31.19 05:57:01 AM 3 34.64 0.00 1.55 0.15 0.02 63.64 Average: all 32.92 0.00 2.43 0.93 0.01 63.71 Average: 0 33.97 0.00 2.29 0.39 0.01 63.34 Average: 1 31.32 0.00 2.65 1.31 0.01 64.71 Average: 2 33.75 0.00 2.65 1.16 0.02 62.42 Average: 3 32.63 0.00 2.13 0.85 0.01 64.37