---> uname -a: Linux prd-centos8-docker-4c-4g-3413.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 1044 10796 20 3919 14366 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:4e:fe:49 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.111/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85890sec preferred_lft 85890sec inet6 fe80::f816:3eff:fe4e:fe49/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:4e:2e:fc:4c 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::42:4eff:fe2e:fc4c/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) 10/19/2026 _x86_64_ (4 CPU) 14:53:51 LINUX RESTART (4 CPU) 02:55:01 PM tps rtps wtps bread/s bwrtn/s 02:56:01 PM 62.85 0.32 62.53 39.19 4524.48 02:57:01 PM 211.50 4.85 206.65 440.73 13282.77 02:58:01 PM 67.32 1.63 65.68 732.43 9069.43 02:59:01 PM 15.68 0.00 15.68 0.00 2028.43 03:00:00 PM 89.59 1.53 88.06 82.29 17133.21 03:00:01 PM 30.53 0.00 30.53 0.00 1954.20 03:01:01 PM 1162.52 85.77 1076.75 1576.00 32783.82 03:02:01 PM 68.93 32.95 35.98 552.38 1302.46 Average: 239.55 18.15 221.40 488.74 11397.83 02:55:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:56:01 PM 13335224 15124256 2804092 17.37 2688 2005276 1104560 6.43 141064 2306900 173772 02:57:01 PM 12471332 14652948 3667984 22.73 2688 2384992 1565604 9.11 164352 3088804 228920 02:58:01 PM 11651328 13880512 4487988 27.81 2688 2430808 2639036 15.35 205880 3855500 60 02:59:01 PM 11272336 13844608 4866980 30.16 2688 2764908 2700176 15.71 205984 4202328 303108 03:00:00 PM 11348936 14238480 4790380 29.68 2688 3069792 1790028 10.41 425268 3871364 135528 03:00:01 PM 11314012 14232824 4825304 29.90 2688 3093356 1790028 10.41 425268 3895704 159100 03:01:01 PM 10110164 13696292 6029152 37.36 2688 3575868 1858068 10.81 474040 4635820 6768 03:02:01 PM 11028244 14670660 5111072 31.67 2688 3628504 1265532 7.36 682956 3512768 38260 Average: 11566447 14292572 4572869 28.33 2688 2869188 1839129 10.70 340602 3671148 130690 02:55:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:56:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:56:01 PM eth0 70.44 45.13 902.47 13.00 0.00 0.00 0.00 0.00 02:56:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:57:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:57:01 PM eth0 287.89 233.11 3651.63 37.52 0.00 0.00 0.00 0.00 02:57:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:58:01 PM lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 02:58:01 PM eth0 22.79 21.01 220.71 4.01 0.00 0.00 0.00 0.00 02:58:01 PM docker0 0.08 0.18 0.00 0.02 0.00 0.00 0.00 0.00 02:58:01 PM veth60e1372 0.08 0.30 0.00 0.03 0.00 0.00 0.00 0.00 02:59:01 PM lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 02:59:01 PM eth0 149.71 103.60 2173.14 8.10 0.00 0.00 0.00 0.00 02:59:01 PM docker0 0.17 0.17 0.01 0.01 0.00 0.00 0.00 0.00 02:59:01 PM veth60e1372 0.17 0.20 0.01 0.01 0.00 0.00 0.00 0.00 03:00:00 PM lo 6.27 6.27 4.62 4.62 0.00 0.00 0.00 0.00 03:00:00 PM eth0 123.54 109.23 865.65 1220.29 0.00 0.00 0.00 0.00 03:00:00 PM docker0 3.29 3.10 4.17 0.45 0.00 0.00 0.00 0.00 03:00:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:00:01 PM eth0 325.95 234.35 2493.56 35.35 0.00 0.00 0.00 0.00 03:00:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:01:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:01:01 PM eth0 130.03 76.64 969.49 12.88 0.00 0.00 0.00 0.00 03:01:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:02:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:02:01 PM eth0 15.40 14.20 44.26 38.62 0.00 0.00 0.00 0.00 03:02:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.92 0.92 0.65 0.65 0.00 0.00 0.00 0.00 Average: eth0 114.87 86.51 1265.91 186.95 0.00 0.00 0.00 0.00 Average: docker0 0.50 0.48 0.58 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) 10/19/2026 _x86_64_ (4 CPU) 14:53:51 LINUX RESTART (4 CPU) 02:55:01 PM CPU %user %nice %system %iowait %steal %idle 02:56:01 PM all 9.73 0.00 1.04 0.26 0.00 88.96 02:56:01 PM 0 8.44 0.00 0.72 0.28 0.00 90.56 02:56:01 PM 1 9.85 0.00 1.09 0.17 0.00 88.90 02:56:01 PM 2 19.46 0.00 1.97 0.45 0.02 78.10 02:56:01 PM 3 1.17 0.00 0.37 0.15 0.00 98.31 02:57:01 PM all 19.17 0.00 1.94 1.13 0.00 77.76 02:57:01 PM 0 25.36 0.00 2.51 1.67 0.00 70.46 02:57:01 PM 1 15.35 0.00 1.94 1.20 0.02 81.49 02:57:01 PM 2 19.50 0.00 1.54 0.85 0.00 78.11 02:57:01 PM 3 16.47 0.00 1.76 0.80 0.00 80.97 02:58:01 PM all 15.88 0.00 0.71 0.44 0.00 82.96 02:58:01 PM 0 16.66 0.00 0.79 0.48 0.00 82.07 02:58:01 PM 1 17.06 0.00 0.79 0.28 0.00 81.87 02:58:01 PM 2 15.46 0.00 0.68 0.75 0.02 83.09 02:58:01 PM 3 14.35 0.00 0.59 0.25 0.00 84.82 02:59:01 PM all 2.57 0.00 1.07 0.08 0.00 96.28 02:59:01 PM 0 2.75 0.00 0.95 0.02 0.00 96.28 02:59:01 PM 1 2.23 0.00 0.84 0.03 0.00 96.90 02:59:01 PM 2 2.91 0.00 0.84 0.08 0.00 96.17 02:59:01 PM 3 2.40 0.00 1.65 0.18 0.00 95.77 03:00:00 PM all 29.31 0.09 2.68 0.57 0.01 67.34 03:00:00 PM 0 22.05 0.15 2.53 0.43 0.02 74.82 03:00:00 PM 1 33.64 0.12 3.03 1.05 0.00 62.16 03:00:00 PM 2 32.25 0.09 2.96 0.24 0.00 64.46 03:00:00 PM 3 29.32 0.00 2.19 0.58 0.02 67.89 03:00:01 PM all 23.27 0.00 10.65 0.00 0.00 66.07 03:00:01 PM 0 8.00 0.00 9.60 0.00 0.00 82.40 03:00:01 PM 1 23.26 0.00 6.98 0.00 0.00 69.77 03:00:01 PM 2 22.66 0.00 14.84 0.00 0.00 62.50 03:00:01 PM 3 39.20 0.00 11.20 0.00 0.00 49.60 03:01:01 PM all 24.93 0.00 10.05 6.77 0.02 58.23 03:01:01 PM 0 16.83 0.00 8.49 6.01 0.02 68.65 03:01:01 PM 1 49.19 0.00 12.60 8.63 0.03 29.53 03:01:01 PM 2 13.58 0.00 9.70 6.72 0.02 69.97 03:01:01 PM 3 20.07 0.00 9.42 5.70 0.02 64.79 03:02:01 PM all 39.83 0.00 1.78 0.49 0.01 57.89 03:02:01 PM 0 54.53 0.00 2.07 0.23 0.02 43.15 03:02:01 PM 1 49.73 0.00 2.02 0.37 0.03 47.84 03:02:01 PM 2 28.21 0.00 1.62 0.62 0.00 69.55 03:02:01 PM 3 26.85 0.00 1.39 0.74 0.00 71.02 Average: all 20.18 0.01 2.76 1.38 0.01 75.66 Average: 0 20.91 0.02 2.59 1.29 0.01 75.17 Average: 1 25.21 0.02 3.18 1.66 0.01 69.92 Average: 2 18.75 0.01 2.78 1.37 0.01 77.08 Average: 3 15.83 0.00 2.49 1.19 0.00 80.48