---> uname -a: Linux prd-centos8-docker-4c-4g-3568.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 1040 10805 20 3914 14370 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:5c:76:89 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.248/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85920sec preferred_lft 85920sec inet6 fe80::f816:3eff:fe5c:7689/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:6f:bd:82:f4 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::42:6fff:febd:82f4/64 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) 10/20/2026 _x86_64_ (4 CPU) 05:21:15 LINUX RESTART (4 CPU) 05:22:02 AM tps rtps wtps bread/s bwrtn/s 05:23:01 AM 141.51 6.95 134.56 1135.62 4062.22 05:24:01 AM 97.83 1.27 96.57 202.47 8533.41 05:25:01 AM 201.65 4.82 196.83 579.77 15172.67 05:26:01 AM 15.78 0.45 15.33 398.67 1010.51 05:27:01 AM 79.61 1.37 78.24 31.06 12240.04 05:28:01 AM 1232.49 72.29 1160.20 1400.43 38288.29 05:29:01 AM 88.90 46.39 42.51 747.88 1844.61 Average: 265.77 19.11 246.66 641.15 11613.13 05:22:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:23:01 AM 13525000 15099732 2614316 16.20 2688 1801716 1148024 6.68 139616 2155500 16568 05:24:01 AM 13167940 15135912 2971376 18.41 2688 2177116 1060220 6.17 144016 2443164 198700 05:25:01 AM 11745252 13944356 4394064 27.23 2688 2402052 2227936 12.96 206964 3765652 6260 05:26:01 AM 11585900 13890696 4553416 28.21 2688 2502868 2598564 15.12 208496 3904864 75160 05:27:01 AM 11551116 14352656 4588200 28.43 2688 2989524 2005704 11.67 350496 3759512 226680 05:28:01 AM 10254332 13829008 5884984 36.46 2688 3565964 1895308 11.03 399300 4567704 8012 05:29:01 AM 11032436 14677156 5106880 31.64 2688 3630500 1261860 7.34 607956 3581288 54620 Average: 11837425 14418502 4301891 26.65 2688 2724249 1742517 10.14 293835 3453955 83714 05:22:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:23:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:23:01 AM eth0 87.39 64.15 429.41 30.12 0.00 0.00 0.00 0.00 05:23:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:24:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:24:01 AM eth0 83.82 54.58 1372.72 8.25 0.00 0.00 0.00 0.00 05:24:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:25:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:25:01 AM eth0 264.06 224.23 3196.27 35.60 0.00 0.00 0.00 0.00 05:25:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:26:01 AM lo 0.22 0.22 0.01 0.01 0.00 0.00 0.00 0.00 05:26:01 AM eth0 35.42 19.33 560.10 2.90 0.00 0.00 0.00 0.00 05:26:01 AM docker0 0.17 0.27 0.01 0.02 0.00 0.00 0.00 0.00 05:26:01 AM veth29fe1ed 0.17 0.42 0.01 0.03 0.00 0.00 0.00 0.00 05:27:01 AM lo 6.25 6.25 4.60 4.60 0.00 0.00 0.00 0.00 05:27:01 AM eth0 133.66 81.89 2372.41 14.83 0.00 0.00 0.00 0.00 05:27:01 AM docker0 3.45 3.23 4.09 0.45 0.00 0.00 0.00 0.00 05:27:01 AM veth29fe1ed 0.20 0.25 0.01 0.01 0.00 0.00 0.00 0.00 05:28:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:28:01 AM eth0 126.09 97.22 1197.96 15.82 0.00 0.00 0.00 0.00 05:28:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:29:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:29:01 AM eth0 14.00 12.66 44.44 5.06 0.00 0.00 0.00 0.00 05:29:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.93 0.93 0.66 0.66 0.00 0.00 0.00 0.00 Average: eth0 106.39 79.19 1312.55 16.05 0.00 0.00 0.00 0.00 Average: docker0 0.52 0.50 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) 10/20/2026 _x86_64_ (4 CPU) 05:21:15 LINUX RESTART (4 CPU) 05:22:02 AM CPU %user %nice %system %iowait %steal %idle 05:23:01 AM all 9.20 0.00 1.23 0.84 0.00 88.73 05:23:01 AM 0 3.45 0.00 1.75 2.41 0.00 92.38 05:23:01 AM 1 4.86 0.00 0.68 0.03 0.00 94.43 05:23:01 AM 2 3.18 0.00 0.75 0.39 0.02 95.67 05:23:01 AM 3 25.30 0.00 1.73 0.53 0.00 72.44 05:24:01 AM all 12.30 0.00 1.38 0.46 0.00 85.85 05:24:01 AM 0 12.41 0.00 1.50 0.27 0.00 85.82 05:24:01 AM 1 16.17 0.00 1.59 0.45 0.00 81.79 05:24:01 AM 2 4.85 0.00 0.97 0.89 0.00 93.30 05:24:01 AM 3 15.77 0.00 1.47 0.23 0.02 82.51 05:25:01 AM all 29.94 0.00 1.81 1.12 0.01 67.12 05:25:01 AM 0 32.19 0.00 1.40 0.64 0.02 65.76 05:25:01 AM 1 27.52 0.00 2.36 1.82 0.02 68.28 05:25:01 AM 2 28.25 0.00 1.77 0.85 0.00 69.12 05:25:01 AM 3 31.80 0.00 1.72 1.17 0.00 65.31 05:26:01 AM all 1.58 0.00 0.59 0.08 0.00 97.74 05:26:01 AM 0 1.35 0.00 0.65 0.08 0.00 97.91 05:26:01 AM 1 1.97 0.00 0.58 0.15 0.00 97.29 05:26:01 AM 2 1.60 0.00 0.60 0.03 0.02 97.74 05:26:01 AM 3 1.41 0.00 0.52 0.05 0.00 98.03 05:27:01 AM all 24.75 0.11 2.34 0.49 0.01 72.30 05:27:01 AM 0 25.52 0.13 2.21 0.33 0.00 71.80 05:27:01 AM 1 23.58 0.10 1.95 0.27 0.00 74.11 05:27:01 AM 2 23.09 0.17 3.07 1.09 0.00 72.58 05:27:01 AM 3 26.79 0.05 2.13 0.27 0.03 70.73 05:28:01 AM all 20.71 0.00 10.03 8.37 0.01 60.87 05:28:01 AM 0 16.07 0.00 8.95 7.66 0.02 67.31 05:28:01 AM 1 31.51 0.00 9.99 10.02 0.02 48.47 05:28:01 AM 2 14.42 0.00 9.64 7.96 0.00 67.97 05:28:01 AM 3 20.81 0.00 11.54 7.84 0.02 59.79 05:29:01 AM all 41.23 0.00 1.99 0.68 0.01 56.09 05:29:01 AM 0 41.81 0.00 2.29 0.78 0.02 55.10 05:29:01 AM 1 38.84 0.00 1.94 0.53 0.00 58.68 05:29:01 AM 2 28.47 0.00 1.64 1.02 0.02 68.86 05:29:01 AM 3 55.77 0.00 2.10 0.38 0.00 41.74 Average: all 19.98 0.02 2.75 1.71 0.01 75.53 Average: 0 19.01 0.02 2.67 1.73 0.01 76.56 Average: 1 20.65 0.01 2.72 1.89 0.00 74.73 Average: 2 14.86 0.02 2.62 1.73 0.01 80.76 Average: 3 25.39 0.01 3.02 1.48 0.01 70.09