---> uname -a: Linux prd-centos8-docker-4c-4g-4290.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: 2799.998 BogoMIPS: 5599.99 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 nrip_save 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 1030 10802 19 3928 14381 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:c9:05:f5 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.66/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86047sec preferred_lft 86047sec inet6 fe80::f816:3eff:fec9:5f5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:5a:76:07:e3 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::42:5aff:fe76:7e3/64 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) 07/01/2026 _x86_64_ (4 CPU) 11:40:33 LINUX RESTART (4 CPU) 11:41:01 AM tps rtps wtps bread/s bwrtn/s 11:42:01 AM 233.46 6.22 227.25 944.24 8129.56 11:43:01 AM 167.88 4.88 163.00 445.85 15186.35 11:44:01 AM 149.89 2.42 147.48 888.49 18303.65 11:45:01 AM 1147.97 74.34 1073.63 1432.32 37549.55 11:46:01 AM 104.18 45.44 58.74 777.20 2883.97 Average: 360.68 26.66 334.02 897.62 16411.41 11:41:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:42:01 AM 13235268 15144984 2904052 17.99 2688 2118096 1073544 6.25 139960 2385780 280136 11:43:01 AM 12663988 14712976 3475332 21.53 2688 2253664 1584544 9.22 160464 2906428 16 11:44:01 AM 9399480 11995000 6739840 41.76 2688 2786708 4757012 27.68 288264 5978856 1392 11:45:01 AM 10190148 13780276 5949172 36.86 2688 3580668 1924744 11.20 471920 4570228 24908 11:46:01 AM 11082492 14748664 5056828 31.33 2688 3651112 1202312 7.00 684852 3467652 60924 Average: 11314275 14076380 4825045 29.90 2688 2878050 2108431 12.27 349092 3861789 73475 11:41:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:42:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:42:01 AM eth0 134.78 84.74 1416.23 32.88 0.00 0.00 0.00 0.00 11:42:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:43:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:43:01 AM eth0 116.16 99.02 1269.89 29.84 0.00 0.00 0.00 0.00 11:43:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:44:01 AM lo 4.80 4.80 3.50 3.50 0.00 0.00 0.00 0.00 11:44:01 AM eth0 314.43 213.86 4654.17 25.43 0.00 0.00 0.00 0.00 11:44:01 AM docker0 2.83 2.62 3.14 0.39 0.00 0.00 0.00 0.00 11:44:01 AM veth1864e73 0.12 0.37 0.01 0.03 0.00 0.00 0.00 0.00 11:44:01 AM veth3757aae 2.72 2.53 3.17 0.38 0.00 0.00 0.00 0.00 11:45:01 AM lo 1.52 1.52 1.05 1.05 0.00 0.00 0.00 0.00 11:45:01 AM eth0 201.85 172.13 1858.99 1200.77 0.00 0.00 0.00 0.00 11:45:01 AM docker0 0.48 0.48 0.94 0.06 0.00 0.00 0.00 0.00 11:46:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:46:01 AM eth0 23.35 20.43 51.23 41.33 0.00 0.00 0.00 0.00 11:46:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.26 1.26 0.91 0.91 0.00 0.00 0.00 0.00 Average: eth0 158.12 118.04 1850.27 266.06 0.00 0.00 0.00 0.00 Average: docker0 0.66 0.62 0.82 0.09 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) 07/01/2026 _x86_64_ (4 CPU) 11:40:33 LINUX RESTART (4 CPU) 11:41:01 AM CPU %user %nice %system %iowait %steal %idle 11:42:01 AM all 20.28 0.00 2.30 1.07 0.08 76.28 11:42:01 AM 0 25.74 0.00 2.76 1.37 0.08 70.05 11:42:01 AM 1 15.54 0.00 2.45 1.98 0.07 79.97 11:42:01 AM 2 30.60 0.00 2.64 0.57 0.08 66.10 11:42:01 AM 3 9.24 0.00 1.34 0.35 0.07 89.00 11:43:01 AM all 12.95 0.00 1.40 0.97 0.05 84.62 11:43:01 AM 0 12.35 0.00 1.85 1.11 0.07 84.63 11:43:01 AM 1 14.75 0.00 1.30 0.62 0.07 83.26 11:43:01 AM 2 11.72 0.00 1.42 1.10 0.05 85.71 11:43:01 AM 3 13.00 0.00 1.02 1.05 0.03 84.89 11:44:01 AM all 39.27 0.11 3.21 0.80 0.11 56.51 11:44:01 AM 0 29.92 0.10 3.06 0.76 0.10 66.06 11:44:01 AM 1 38.55 0.08 2.94 1.32 0.12 56.99 11:44:01 AM 2 44.75 0.22 3.76 0.89 0.10 50.27 11:44:01 AM 3 43.93 0.02 3.09 0.25 0.10 52.61 11:45:01 AM all 29.54 0.00 9.95 7.05 0.11 53.35 11:45:01 AM 0 30.48 0.00 10.06 7.51 0.14 51.82 11:45:01 AM 1 38.49 0.00 11.25 8.21 0.10 41.94 11:45:01 AM 2 20.03 0.00 8.69 6.52 0.10 64.66 11:45:01 AM 3 29.16 0.00 9.81 5.94 0.12 54.97 11:46:01 AM all 40.73 0.00 1.99 0.51 0.09 56.69 11:46:01 AM 0 32.04 0.00 2.02 0.50 0.08 65.35 11:46:01 AM 1 57.58 0.00 2.31 0.44 0.10 39.57 11:46:01 AM 2 48.21 0.00 2.17 0.60 0.10 48.91 11:46:01 AM 3 25.07 0.00 1.46 0.49 0.08 72.90 Average: all 28.53 0.02 3.75 2.07 0.09 65.54 Average: 0 26.10 0.02 3.94 2.24 0.09 67.61 Average: 1 32.95 0.02 4.02 2.49 0.09 60.43 Average: 2 31.04 0.04 3.72 1.92 0.09 63.19 Average: 3 24.05 0.00 3.33 1.61 0.08 70.93