---> uname -a: Linux prd-centos8-docker-4c-4g-5017.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 824 12148 20 2788 14596 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:d5:82:9d brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.21/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85943sec preferred_lft 85943sec inet6 fe80::f816:3eff:fed5:829d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c3:19:f3:0a 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) 11/02/2026 _x86_64_ (4 CPU) 11:15:20 LINUX RESTART (4 CPU) 11:16:01 AM tps rtps wtps bread/s bwrtn/s 11:17:01 AM 176.14 8.25 167.89 1653.05 6011.48 11:18:01 AM 84.89 4.03 80.85 1912.61 8054.26 11:19:01 AM 148.75 16.21 132.54 2112.10 9277.26 11:20:01 AM 87.39 1.68 85.71 112.43 9945.14 11:21:01 AM 15.57 0.00 15.57 0.00 700.98 11:22:01 AM 2.95 1.90 1.05 57.59 176.77 11:23:01 AM 21.21 1.53 19.68 170.08 1174.43 Average: 76.64 4.80 71.85 859.56 5041.41 11:16:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:17:01 AM 13251436 15025060 2887880 17.89 2688 1994076 1238200 7.20 181564 2363644 158828 11:18:01 AM 12981436 15032824 3157880 19.57 2688 2259072 1490276 8.67 151580 2613860 188656 11:19:01 AM 12065452 14289964 4073864 25.24 2688 2427752 1875352 10.91 207880 3450140 58612 11:20:01 AM 10300480 12760380 5838836 36.18 2688 2659172 3573536 20.79 262072 5141120 10152 11:21:01 AM 9590124 12055960 6549192 40.58 2688 2664948 3810008 22.17 262564 5849292 2220 11:22:01 AM 9418868 11892956 6720448 41.64 2688 2672444 3917948 22.79 265876 6014424 3340 11:23:01 AM 12466288 14971144 3673028 22.76 2688 2701172 1190344 6.93 472860 2765652 27552 Average: 11439155 13718327 4700161 29.12 2688 2482662 2442238 14.21 257771 4028305 64194 11:16:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:17:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:17:01 AM eth0 154.18 92.25 1209.45 33.24 0.00 0.00 0.00 0.00 11:17:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:18:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:18:01 AM eth0 79.29 51.64 876.86 13.35 0.00 0.00 0.00 0.00 11:18:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:19:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:19:01 AM eth0 156.03 145.30 1585.97 26.76 0.00 0.00 0.00 0.00 11:19:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:01 AM eth0 244.10 202.01 3438.38 43.13 0.00 0.00 0.00 0.00 11:20:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:21:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:21:01 AM eth0 146.09 94.91 65.11 71.27 0.00 0.00 0.00 0.00 11:21:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:22:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:22:01 AM eth0 144.93 111.06 52.11 52.81 0.00 0.00 0.00 0.00 11:22:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:23:01 AM lo 6.53 6.53 0.80 0.80 0.00 0.00 0.00 0.00 11:23:01 AM eth0 30.72 24.59 54.91 21.97 0.00 0.00 0.00 0.00 11:23:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.93 0.93 0.11 0.11 0.00 0.00 0.00 0.00 Average: eth0 136.40 103.03 1037.81 37.53 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) 11/02/2026 _x86_64_ (4 CPU) 11:15:20 LINUX RESTART (4 CPU) 11:16:01 AM CPU %user %nice %system %iowait %steal %idle 11:17:01 AM all 12.85 0.00 1.65 0.99 0.00 84.51 11:17:01 AM 0 5.38 0.00 1.27 0.12 0.00 93.23 11:17:01 AM 1 14.20 0.00 2.28 2.76 0.00 80.76 11:17:01 AM 2 15.44 0.00 1.62 0.58 0.00 82.35 11:17:01 AM 3 16.39 0.00 1.45 0.50 0.00 81.65 11:18:01 AM all 10.84 0.00 1.18 0.45 0.02 87.52 11:18:01 AM 0 18.28 0.00 1.50 0.37 0.02 79.83 11:18:01 AM 1 8.34 0.00 1.07 0.53 0.02 90.04 11:18:01 AM 2 7.96 0.00 0.97 0.43 0.02 90.62 11:18:01 AM 3 8.78 0.00 1.17 0.45 0.02 89.58 11:19:01 AM all 26.30 0.00 1.46 7.43 0.04 64.76 11:19:01 AM 0 29.75 0.00 0.88 2.00 0.05 67.31 11:19:01 AM 1 27.80 0.00 1.46 10.92 0.03 59.79 11:19:01 AM 2 19.35 0.00 1.56 7.49 0.03 71.57 11:19:01 AM 3 28.30 0.00 1.96 9.33 0.05 60.35 11:20:01 AM all 69.61 0.00 2.07 0.86 0.03 27.42 11:20:01 AM 0 66.90 0.00 1.87 0.50 0.03 30.70 11:20:01 AM 1 76.54 0.00 2.64 0.92 0.05 19.85 11:20:01 AM 2 62.88 0.00 2.27 1.80 0.02 33.03 11:20:01 AM 3 72.10 0.00 1.53 0.22 0.03 26.12 11:21:01 AM all 35.39 0.00 1.47 0.05 0.02 63.08 11:21:01 AM 0 40.82 0.00 1.06 0.02 0.02 58.09 11:21:01 AM 1 31.05 0.00 1.51 0.05 0.02 67.38 11:21:01 AM 2 26.95 0.00 1.65 0.02 0.02 71.37 11:21:01 AM 3 42.73 0.00 1.68 0.10 0.02 55.48 11:22:01 AM all 25.80 0.00 1.42 0.02 0.01 72.74 11:22:01 AM 0 25.49 0.00 0.60 0.02 0.02 73.88 11:22:01 AM 1 19.16 0.00 1.19 0.00 0.00 79.66 11:22:01 AM 2 39.32 0.00 2.22 0.05 0.03 58.38 11:22:01 AM 3 19.25 0.00 1.67 0.02 0.00 79.06 11:23:01 AM all 39.37 0.00 1.84 0.07 0.04 58.67 11:23:01 AM 0 47.52 0.00 1.68 0.00 0.05 50.75 11:23:01 AM 1 34.99 0.00 2.56 0.13 0.03 62.28 11:23:01 AM 2 38.75 0.00 1.40 0.03 0.03 59.78 11:23:01 AM 3 36.22 0.00 1.74 0.12 0.03 61.90 Average: all 31.42 0.00 1.59 1.41 0.02 65.56 Average: 0 33.41 0.00 1.27 0.43 0.03 64.86 Average: 1 30.26 0.00 1.81 2.19 0.02 65.72 Average: 2 30.07 0.00 1.67 1.48 0.02 66.76 Average: 3 31.95 0.00 1.60 1.53 0.02 64.90