---> uname -a: Linux prd-centos8-docker-4c-4g-7685.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 1019 10816 20 3925 14391 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:d1:47:df brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.225/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86094sec preferred_lft 86094sec inet6 fe80::f816:3eff:fed1:47df/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:14:80:19:50 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::42:14ff:fe80:1950/64 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) 10/07/2026 _x86_64_ (4 CPU) 07:46:46 LINUX RESTART (4 CPU) 07:47:02 AM tps rtps wtps bread/s bwrtn/s 07:48:01 AM 276.23 56.14 220.09 8151.94 43231.39 07:49:01 AM 276.29 6.48 269.81 1177.61 22912.11 07:50:01 AM 165.46 1.57 163.89 81.81 25073.60 07:51:01 AM 1104.93 95.07 1009.86 1697.28 26232.22 Average: 456.47 39.75 416.73 2754.64 29304.42 07:47:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:48:01 AM 13386644 15129976 2752672 17.06 2688 1960544 1111380 6.47 138944 2260624 160376 07:49:01 AM 11393428 13814628 4745888 29.41 2688 2621008 2784612 16.20 204672 4103696 183428 07:50:01 AM 10566848 14013284 5572468 34.53 2688 3528772 1849692 10.76 427816 4469364 468840 07:51:01 AM 8994892 12590716 7144424 44.27 2688 3586372 1973800 11.48 478052 5741024 8 Average: 11085453 13887151 5053863 31.31 2688 2924174 1929871 11.23 312371 4143677 203163 07:47:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:48:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:48:01 AM eth0 314.43 177.71 1735.81 66.44 0.00 0.00 0.00 0.00 07:48:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:49:01 AM lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 07:49:01 AM eth0 419.16 328.62 6193.68 54.07 0.00 0.00 0.00 0.00 07:49:01 AM docker0 0.07 0.17 0.00 0.02 0.00 0.00 0.00 0.00 07:49:01 AM veth731ab62 0.07 0.27 0.00 0.03 0.00 0.00 0.00 0.00 07:50:01 AM lo 6.05 6.05 4.51 4.51 0.00 0.00 0.00 0.00 07:50:01 AM eth0 197.12 165.56 1815.21 1208.34 0.00 0.00 0.00 0.00 07:50:01 AM docker0 3.35 2.98 4.09 0.43 0.00 0.00 0.00 0.00 07:51:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:51:01 AM eth0 3.91 2.55 58.41 0.60 0.00 0.00 0.00 0.00 07:51:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.56 1.56 1.14 1.14 0.00 0.00 0.00 0.00 Average: eth0 233.31 168.56 2453.58 333.52 0.00 0.00 0.00 0.00 Average: docker0 0.86 0.79 1.03 0.11 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) 10/07/2026 _x86_64_ (4 CPU) 07:46:46 LINUX RESTART (4 CPU) 07:47:02 AM CPU %user %nice %system %iowait %steal %idle 07:48:01 AM all 23.69 0.00 4.06 6.27 0.02 65.97 07:48:01 AM 0 24.54 0.00 4.74 9.63 0.02 61.08 07:48:01 AM 1 27.42 0.00 3.64 3.01 0.03 65.89 07:48:01 AM 2 14.38 0.00 3.87 10.15 0.02 71.58 07:48:01 AM 3 28.40 0.00 4.00 2.30 0.02 65.29 07:49:01 AM all 38.13 0.00 3.37 1.53 0.04 56.94 07:49:01 AM 0 30.10 0.00 2.99 1.30 0.03 65.57 07:49:01 AM 1 34.88 0.00 2.79 1.49 0.02 60.82 07:49:01 AM 2 43.17 0.00 3.80 1.17 0.05 51.80 07:49:01 AM 3 44.39 0.00 3.87 2.16 0.05 49.52 07:50:01 AM all 38.63 0.09 8.39 0.79 0.02 52.08 07:50:01 AM 0 35.50 0.08 8.35 0.47 0.02 55.57 07:50:01 AM 1 34.90 0.10 7.81 1.20 0.02 55.97 07:50:01 AM 2 49.30 0.08 9.54 0.66 0.02 40.41 07:50:01 AM 3 34.76 0.10 7.87 0.83 0.02 56.42 07:51:01 AM all 35.77 0.00 5.48 7.10 0.03 51.62 07:51:01 AM 0 30.32 0.00 5.59 8.05 0.02 56.03 07:51:01 AM 1 26.14 0.00 4.90 6.89 0.03 62.04 07:51:01 AM 2 46.40 0.00 4.88 5.80 0.03 42.88 07:51:01 AM 3 40.21 0.00 6.55 7.68 0.03 45.53 Average: all 34.08 0.02 5.32 3.92 0.03 56.63 Average: 0 30.13 0.02 5.41 4.85 0.02 59.57 Average: 1 30.84 0.03 4.78 3.15 0.03 61.18 Average: 2 38.39 0.02 5.52 4.43 0.03 51.61 Average: 3 36.98 0.03 5.57 3.25 0.03 54.15