---> uname -a: Linux prd-centos8-docker-4c-4g-1814.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 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 1028 10810 20 3921 14382 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:ac:95:fd brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.129/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86078sec preferred_lft 86078sec inet6 fe80::f816:3eff:feac:95fd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:85:bc:50:db 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::42:85ff:febc:50db/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) 09/16/2026 _x86_64_ (4 CPU) 06:55:05 LINUX RESTART (4 CPU) 06:56:01 AM tps rtps wtps bread/s bwrtn/s 06:57:01 AM 186.75 4.57 182.19 429.00 11958.57 06:58:01 AM 194.14 2.35 191.79 771.22 26747.67 06:59:01 AM 1181.93 72.75 1109.18 1367.32 36767.28 07:00:00 AM 101.63 47.37 54.25 807.86 2732.94 07:00:01 AM 30.30 0.00 30.30 0.00 1610.10 Average: 415.85 31.56 384.29 840.55 19549.32 06:56:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:57:01 AM 12688128 14732624 3451188 21.38 2688 2250060 1516908 8.83 160624 2885748 238808 06:58:01 AM 11003112 13581616 5136204 31.82 2688 2770632 2797424 16.28 302956 4364636 688 06:59:01 AM 10299044 13879732 5840272 36.19 2688 3572032 1872588 10.89 470860 4454060 26692 07:00:00 AM 11044932 14689528 5094384 31.57 2688 3631668 1252980 7.29 680976 3500724 38192 07:00:01 AM 11044384 14694160 5094932 31.57 2688 3635888 1269252 7.38 681992 3499584 43340 Average: 11215920 14315532 4923396 30.51 2688 3172056 1741830 10.13 459482 3740950 69544 06:56:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:57:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:57:01 AM eth0 174.39 132.14 2202.60 29.06 0.00 0.00 0.00 0.00 06:57:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:58:01 AM lo 5.88 5.88 4.53 4.53 0.00 0.00 0.00 0.00 06:58:01 AM eth0 332.79 234.56 4651.67 35.70 0.00 0.00 0.00 0.00 06:58:01 AM docker0 3.31 3.21 4.08 0.46 0.00 0.00 0.00 0.00 06:58:01 AM vethf825fbf 0.12 0.37 0.01 0.03 0.00 0.00 0.00 0.00 06:59:01 AM lo 0.48 0.48 0.03 0.03 0.00 0.00 0.00 0.00 06:59:01 AM eth0 241.13 169.73 1869.34 1206.36 0.00 0.00 0.00 0.00 06:59:01 AM docker0 0.02 0.03 0.00 0.00 0.00 0.00 0.00 0.00 07:00:00 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:00 AM eth0 20.99 17.08 48.14 41.43 0.00 0.00 0.00 0.00 07:00:00 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 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 0.00 0.00 0.00 0.00 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 Average: lo 1.59 1.59 1.14 1.14 0.00 0.00 0.00 0.00 Average: eth0 192.26 138.32 2193.02 328.00 0.00 0.00 0.00 0.00 Average: docker0 0.83 0.81 1.02 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) 09/16/2026 _x86_64_ (4 CPU) 06:55:05 LINUX RESTART (4 CPU) 06:56:01 AM CPU %user %nice %system %iowait %steal %idle 06:57:01 AM all 23.89 0.00 2.38 1.76 0.05 71.92 06:57:01 AM 0 26.88 0.00 2.45 1.24 0.03 69.40 06:57:01 AM 1 26.52 0.00 2.72 1.37 0.05 69.34 06:57:01 AM 2 27.50 0.00 2.80 2.68 0.05 66.97 06:57:01 AM 3 14.67 0.00 1.54 1.77 0.05 81.97 06:58:01 AM all 39.04 0.09 3.20 7.94 0.05 49.69 06:58:01 AM 0 40.29 0.20 3.47 8.68 0.05 47.31 06:58:01 AM 1 41.99 0.02 2.97 12.07 0.05 42.90 06:58:01 AM 2 39.77 0.05 3.27 7.71 0.03 49.16 06:58:01 AM 3 34.09 0.08 3.09 3.30 0.05 59.38 06:59:01 AM all 24.95 0.00 9.67 13.06 0.06 52.25 06:59:01 AM 0 27.49 0.00 10.77 14.63 0.05 47.05 06:59:01 AM 1 18.54 0.00 8.92 13.78 0.07 58.69 06:59:01 AM 2 35.17 0.00 11.19 13.91 0.07 39.67 06:59:01 AM 3 18.61 0.00 7.81 9.93 0.07 63.58 07:00:00 AM all 41.21 0.00 1.85 0.82 0.03 56.08 07:00:00 AM 0 43.15 0.00 2.01 0.97 0.03 53.84 07:00:00 AM 1 29.05 0.00 1.60 0.71 0.03 68.60 07:00:00 AM 2 55.02 0.00 2.14 0.80 0.03 42.00 07:00:00 AM 3 37.64 0.00 1.67 0.82 0.03 59.84 07:00:01 AM all 22.42 0.00 3.27 0.00 0.00 74.31 07:00:01 AM 0 1.00 0.00 0.00 0.00 0.00 99.00 07:00:01 AM 1 79.80 0.00 10.10 0.00 0.00 10.10 07:00:01 AM 2 8.08 0.00 2.02 0.00 0.00 89.90 07:00:01 AM 3 1.01 0.00 1.01 0.00 0.00 97.98 Average: all 32.21 0.02 4.27 5.87 0.05 57.58 Average: 0 34.29 0.05 4.65 6.34 0.04 54.63 Average: 1 29.26 0.00 4.07 6.95 0.05 59.66 Average: 2 39.19 0.01 4.83 6.25 0.05 49.67 Average: 3 26.12 0.02 3.51 3.94 0.05 66.36