---> uname -a: Linux prd-centos8-docker-4c-4g-1590.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 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 762 12199 20 2798 14658 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:c2:dd:81 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.127/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86034sec preferred_lft 86034sec inet6 fe80::f816:3eff:fec2:dd81/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:45:a9:07:85 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 ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 09/15/2026 _x86_64_ (4 CPU) 12:15:24 LINUX RESTART (4 CPU) 12:16:01 PM tps rtps wtps bread/s bwrtn/s 12:17:01 PM 147.62 15.23 132.39 3238.52 9429.81 12:18:01 PM 194.29 7.61 186.67 1146.82 13865.51 12:19:01 PM 41.78 2.83 38.95 139.13 8209.83 12:20:01 PM 10.65 0.00 10.65 0.00 315.28 12:21:01 PM 13.08 0.20 12.88 12.93 898.07 Average: 81.48 5.17 76.31 907.45 6543.75 12:16:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:17:01 PM 12845924 14950828 3293392 20.41 2688 2312036 1270956 7.39 159800 2741556 264660 12:18:01 PM 11205752 13674032 4933564 30.57 2688 2668828 2214924 12.89 245920 4256328 229696 12:19:01 PM 9179828 11669740 6959488 43.12 2688 2689480 4121852 23.98 274412 6243700 4332 12:20:01 PM 9127992 11621816 7011324 43.44 2688 2693356 4121848 23.98 274524 6294532 1064 12:21:01 PM 12565716 15071304 3573600 22.14 2688 2704236 1073476 6.25 456824 2685140 1864 Average: 10985042 13397544 5154274 31.94 2688 2613587 2560611 14.90 282296 4444251 100323 12:16:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:17:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:17:01 PM eth0 144.25 100.52 1951.30 17.43 0.00 0.00 0.00 0.00 12:17:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:18:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:18:01 PM eth0 377.22 293.47 4935.34 37.86 0.00 0.00 0.00 0.00 12:18:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:19:01 PM lo 4.38 4.38 0.63 0.63 0.00 0.00 0.00 0.00 12:19:01 PM eth0 55.92 43.36 27.18 36.21 0.00 0.00 0.00 0.00 12:19:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:01 PM lo 2.53 2.53 0.20 0.20 0.00 0.00 0.00 0.00 12:20:01 PM eth0 308.96 213.98 114.92 117.60 0.00 0.00 0.00 0.00 12:20:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:21:01 PM lo 2.17 2.17 0.16 0.16 0.00 0.00 0.00 0.00 12:21:01 PM eth0 117.49 91.30 82.67 45.51 0.00 0.00 0.00 0.00 12:21:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.82 1.82 0.20 0.20 0.00 0.00 0.00 0.00 Average: eth0 200.77 148.52 1422.23 50.92 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 09/15/2026 _x86_64_ (4 CPU) 12:15:24 LINUX RESTART (4 CPU) 12:16:01 PM CPU %user %nice %system %iowait %steal %idle 12:17:01 PM all 23.29 0.00 2.20 0.69 0.05 73.78 12:17:01 PM 0 25.61 0.00 2.79 0.65 0.05 70.90 12:17:01 PM 1 37.12 0.00 2.77 0.77 0.05 59.29 12:17:01 PM 2 10.88 0.00 1.07 0.55 0.03 87.46 12:17:01 PM 3 19.51 0.00 2.14 0.80 0.05 77.49 12:18:01 PM all 58.34 0.00 2.53 0.85 0.07 38.22 12:18:01 PM 0 59.37 0.00 2.49 0.85 0.07 37.22 12:18:01 PM 1 54.44 0.00 2.59 1.25 0.07 41.65 12:18:01 PM 2 59.81 0.00 2.34 0.33 0.07 37.45 12:18:01 PM 3 59.73 0.00 2.69 0.95 0.07 36.55 12:19:01 PM all 64.26 0.00 1.67 0.15 0.03 33.90 12:19:01 PM 0 46.62 0.00 2.02 0.42 0.02 50.92 12:19:01 PM 1 71.18 0.00 2.26 0.13 0.02 26.41 12:19:01 PM 2 64.59 0.00 0.87 0.02 0.03 34.49 12:19:01 PM 3 74.60 0.00 1.54 0.02 0.05 23.80 12:20:01 PM all 22.47 0.00 2.06 0.03 0.02 75.42 12:20:01 PM 0 20.33 0.00 1.69 0.02 0.02 77.94 12:20:01 PM 1 23.34 0.00 1.97 0.05 0.03 74.61 12:20:01 PM 2 23.52 0.00 2.26 0.02 0.02 74.19 12:20:01 PM 3 22.70 0.00 2.31 0.02 0.02 74.96 12:21:01 PM all 44.36 0.00 1.98 0.03 0.03 53.60 12:21:01 PM 0 59.97 0.00 2.42 0.02 0.02 37.57 12:21:01 PM 1 38.49 0.00 1.82 0.02 0.02 59.66 12:21:01 PM 2 42.71 0.00 1.84 0.08 0.03 55.33 12:21:01 PM 3 36.26 0.00 1.86 0.02 0.03 61.83 Average: all 42.55 0.00 2.09 0.35 0.04 54.98 Average: 0 42.38 0.00 2.29 0.39 0.03 54.91 Average: 1 44.91 0.00 2.28 0.44 0.04 52.33 Average: 2 40.31 0.00 1.68 0.20 0.04 57.77 Average: 3 42.58 0.00 2.11 0.36 0.04 54.91