---> uname -a: Linux prd-centos8-docker-4c-4g-2724.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 1067 10815 20 3878 14343 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:ca:84:84 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.138/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85908sec preferred_lft 85908sec inet6 fe80::f816:3eff:feca:8484/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:1a:48:72:52 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::42:1aff:fe48:7252/64 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) 06:57:44 LINUX RESTART (4 CPU) 06:59:01 AM tps rtps wtps bread/s bwrtn/s 07:00:01 AM 63.25 0.42 62.83 39.32 4519.23 07:01:01 AM 169.18 4.90 164.28 445.98 13034.31 07:02:01 AM 106.51 1.33 105.18 340.17 8506.30 07:03:01 AM 15.68 0.43 15.24 396.80 923.21 07:04:01 AM 94.60 0.73 93.87 92.37 19679.52 07:05:01 AM 1214.15 95.07 1119.08 1697.43 29816.39 07:06:01 AM 65.08 24.01 41.07 475.71 2914.10 Average: 246.91 18.13 228.79 498.25 11341.73 06:59:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:00:01 AM 13327520 15120852 2811788 17.42 2688 2010080 1113632 6.48 140600 2314732 174284 07:01:01 AM 12637764 14688820 3501544 21.70 2688 2255848 1532068 8.91 160924 2922480 92864 07:02:01 AM 11594004 13786500 4545304 28.16 2688 2394888 2431848 14.15 206880 3911968 32 07:03:01 AM 11152760 13714272 4986548 30.90 2688 2754104 2796272 16.27 208320 4315024 333244 07:04:01 AM 11108376 14161660 5030932 31.17 2688 3193660 1808268 10.52 340560 4116364 242008 07:05:01 AM 9861396 13408788 6277912 38.90 2688 3537132 1883356 10.96 390580 4957488 6756 07:06:01 AM 11080216 14689920 5059092 31.35 2688 3594844 1216144 7.08 609132 3528836 7468 Average: 11537434 14224402 4601874 28.51 2688 2820079 1825941 10.62 293857 3723842 122379 06:59:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:00:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:01 AM eth0 64.00 42.34 914.84 6.24 0.00 0.00 0.00 0.00 07:00:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:01:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:01:01 AM eth0 130.69 113.15 1417.12 23.56 0.00 0.00 0.00 0.00 07:01:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:02:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:02:01 AM eth0 161.11 131.23 2044.21 17.74 0.00 0.00 0.00 0.00 07:02:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:03:01 AM lo 0.25 0.25 0.02 0.02 0.00 0.00 0.00 0.00 07:03:01 AM eth0 234.59 91.95 2279.21 7.63 0.00 0.00 0.00 0.00 07:03:01 AM docker0 0.20 0.30 0.01 0.02 0.00 0.00 0.00 0.00 07:03:01 AM vethc87fdcb 0.20 0.45 0.01 0.04 0.00 0.00 0.00 0.00 07:04:01 AM lo 7.66 7.66 5.38 5.38 0.00 0.00 0.00 0.00 07:04:01 AM eth0 120.43 98.70 1120.57 16.61 0.00 0.00 0.00 0.00 07:04:01 AM docker0 3.37 3.08 4.09 0.44 0.00 0.00 0.00 0.00 07:05:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:05:01 AM eth0 69.76 40.05 664.80 7.48 0.00 0.00 0.00 0.00 07:05:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:06:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:06:01 AM eth0 20.06 17.03 50.64 6.92 0.00 0.00 0.00 0.00 07:06:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.13 1.13 0.77 0.77 0.00 0.00 0.00 0.00 Average: eth0 114.38 76.35 1213.10 12.31 0.00 0.00 0.00 0.00 Average: docker0 0.51 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) 06:57:44 LINUX RESTART (4 CPU) 06:59:01 AM CPU %user %nice %system %iowait %steal %idle 07:00:01 AM all 8.95 0.00 0.84 0.30 0.00 89.91 07:00:01 AM 0 20.85 0.00 1.95 0.62 0.02 76.56 07:00:01 AM 1 7.35 0.00 0.70 0.33 0.00 91.62 07:00:01 AM 2 2.99 0.00 0.22 0.07 0.00 96.73 07:00:01 AM 3 4.59 0.00 0.48 0.18 0.00 94.74 07:01:01 AM all 17.46 0.00 1.64 1.09 0.02 79.79 07:01:01 AM 0 18.90 0.00 1.49 1.27 0.02 78.32 07:01:01 AM 1 25.41 0.00 2.94 1.69 0.02 69.94 07:01:01 AM 2 12.11 0.00 0.95 0.62 0.02 86.30 07:01:01 AM 3 13.44 0.00 1.17 0.77 0.02 84.61 07:02:01 AM all 20.56 0.00 0.99 0.52 0.01 77.92 07:02:01 AM 0 18.72 0.00 1.05 0.38 0.02 79.83 07:02:01 AM 1 21.46 0.00 0.70 0.27 0.02 77.55 07:02:01 AM 2 18.97 0.00 0.72 0.27 0.00 80.05 07:02:01 AM 3 23.10 0.00 1.47 1.17 0.00 74.26 07:03:01 AM all 3.10 0.00 1.10 0.07 0.00 95.74 07:03:01 AM 0 3.02 0.00 1.04 0.10 0.00 95.85 07:03:01 AM 1 3.18 0.00 1.09 0.07 0.00 95.66 07:03:01 AM 2 3.20 0.00 0.91 0.05 0.00 95.84 07:03:01 AM 3 2.99 0.00 1.35 0.05 0.00 95.60 07:04:01 AM all 29.79 0.10 3.97 0.66 0.02 65.46 07:04:01 AM 0 22.95 0.27 4.11 0.87 0.02 71.79 07:04:01 AM 1 27.80 0.05 3.78 0.60 0.03 67.73 07:04:01 AM 2 30.52 0.00 3.90 0.67 0.02 64.88 07:04:01 AM 3 37.92 0.07 4.10 0.49 0.02 57.41 07:05:01 AM all 28.08 0.00 7.74 7.59 0.03 56.55 07:05:01 AM 0 18.36 0.00 7.33 6.53 0.02 67.76 07:05:01 AM 1 54.39 0.00 6.85 7.73 0.07 30.97 07:05:01 AM 2 14.81 0.00 9.28 9.04 0.02 66.84 07:05:01 AM 3 24.64 0.00 7.52 7.07 0.03 60.74 07:06:01 AM all 32.25 0.00 1.94 0.57 0.05 65.20 07:06:01 AM 0 20.26 0.00 1.96 0.94 0.03 76.82 07:06:01 AM 1 35.05 0.00 1.82 0.13 0.05 62.94 07:06:01 AM 2 42.89 0.00 2.29 0.45 0.07 54.30 07:06:01 AM 3 30.77 0.00 1.71 0.75 0.03 66.73 Average: all 20.01 0.01 2.59 1.53 0.02 75.83 Average: 0 17.58 0.04 2.69 1.52 0.02 78.15 Average: 1 24.91 0.01 2.55 1.54 0.03 70.97 Average: 2 17.93 0.00 2.59 1.58 0.02 77.88 Average: 3 19.62 0.01 2.54 1.49 0.01 76.33