---> uname -a: Linux prd-centos8-docker-4c-4g-5264.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 1054 10833 20 3872 14356 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:35:65:55 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.216/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85894sec preferred_lft 85894sec inet6 fe80::f816:3eff:fe35:6555/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:7d:ee:5c:5b 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::42:7dff:feee:5c5b/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) 10/26/2026 _x86_64_ (4 CPU) 12:28:14 LINUX RESTART (4 CPU) 12:29:01 PM tps rtps wtps bread/s bwrtn/s 12:30:01 PM 251.47 10.76 240.71 1418.64 5509.56 12:31:01 PM 97.17 0.60 96.57 166.61 8910.71 12:32:01 PM 209.98 5.63 204.35 618.86 14949.42 12:33:01 PM 17.06 0.42 16.64 391.20 1024.58 12:34:01 PM 67.38 0.72 66.66 176.74 12145.17 12:35:01 PM 1115.14 11.41 1103.73 152.22 33389.87 12:36:01 PM 173.80 104.44 69.36 1899.87 4510.50 12:37:01 PM 45.34 3.95 41.40 209.90 2764.00 Average: 247.16 17.25 229.90 629.42 10399.48 12:29:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:30:01 PM 13504744 15080604 2634572 16.32 2688 1802744 1164256 6.77 140156 2174260 16448 12:31:01 PM 13159416 15133704 2979900 18.46 2688 2182988 1082308 6.30 153432 2441736 213700 12:32:01 PM 11520336 13703932 4618980 28.62 2688 2385912 2523892 14.68 205980 3989756 7568 12:33:01 PM 11457176 13666848 4682140 29.01 2688 2411068 2869568 16.70 207504 4045068 16 12:34:01 PM 11760880 14325312 4378436 27.13 2688 2755944 2035300 11.84 310304 3603392 5716 12:35:01 PM 10144708 13629156 5994608 37.14 2688 3477508 2019880 11.75 382360 4694976 78720 12:36:01 PM 10023452 13594056 6115864 37.89 2688 3559188 2078716 12.09 409452 4781780 16984 12:37:01 PM 11092084 14699612 5047232 31.27 2688 3589852 1190292 6.93 610924 3518476 7252 Average: 11582850 14229153 4556466 28.23 2688 2770650 1870526 10.88 302514 3656180 43300 12:29:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:30:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 PM eth0 207.33 119.07 649.80 47.71 0.00 0.00 0.00 0.00 12:30:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:31:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:31:01 PM eth0 86.35 54.73 1349.40 6.80 0.00 0.00 0.00 0.00 12:31:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:32:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:32:01 PM eth0 241.00 214.21 2875.57 36.67 0.00 0.00 0.00 0.00 12:32:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:33:01 PM lo 0.22 0.22 0.01 0.01 0.00 0.00 0.00 0.00 12:33:01 PM eth0 12.86 11.18 99.21 1.95 0.00 0.00 0.00 0.00 12:33:01 PM docker0 0.17 0.28 0.01 0.02 0.00 0.00 0.00 0.00 12:33:01 PM veth5d878ee 0.17 0.43 0.01 0.04 0.00 0.00 0.00 0.00 12:34:01 PM lo 7.26 7.26 5.27 5.27 0.00 0.00 0.00 0.00 12:34:01 PM eth0 107.05 64.70 2172.18 8.39 0.00 0.00 0.00 0.00 12:34:01 PM docker0 3.43 3.13 4.10 0.44 0.00 0.00 0.00 0.00 12:34:01 PM veth5d878ee 0.18 0.23 0.01 0.01 0.00 0.00 0.00 0.00 12:35:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:35:01 PM eth0 184.84 130.62 1722.19 20.13 0.00 0.00 0.00 0.00 12:35:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:36:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:36:01 PM eth0 4.83 3.55 58.44 0.82 0.00 0.00 0.00 0.00 12:36:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:37:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:37:01 PM eth0 26.54 21.74 57.70 10.65 0.00 0.00 0.00 0.00 12:37:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.93 0.93 0.66 0.66 0.00 0.00 0.00 0.00 Average: eth0 108.84 77.47 1122.90 16.64 0.00 0.00 0.00 0.00 Average: docker0 0.45 0.43 0.51 0.06 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) 10/26/2026 _x86_64_ (4 CPU) 12:28:14 LINUX RESTART (4 CPU) 12:29:01 PM CPU %user %nice %system %iowait %steal %idle 12:30:01 PM all 11.62 0.00 1.57 1.04 0.00 85.75 12:30:01 PM 0 10.86 0.00 1.39 0.22 0.00 87.53 12:30:01 PM 1 17.03 0.00 1.44 0.27 0.00 81.27 12:30:01 PM 2 4.83 0.00 1.04 0.35 0.02 93.76 12:30:01 PM 3 13.76 0.00 2.44 3.34 0.00 80.46 12:31:01 PM all 11.83 0.00 1.39 0.48 0.01 86.28 12:31:01 PM 0 10.15 0.00 1.38 0.32 0.02 88.13 12:31:01 PM 1 5.63 0.00 0.57 0.47 0.02 93.32 12:31:01 PM 2 10.17 0.00 1.49 0.43 0.00 87.91 12:31:01 PM 3 21.37 0.00 2.14 0.70 0.02 75.77 12:32:01 PM all 31.33 0.00 2.01 1.07 0.02 65.58 12:32:01 PM 0 30.82 0.00 1.79 0.77 0.03 66.59 12:32:01 PM 1 30.03 0.00 2.18 1.00 0.02 66.78 12:32:01 PM 2 31.57 0.00 1.90 1.14 0.02 65.37 12:32:01 PM 3 32.90 0.00 2.16 1.36 0.02 63.56 12:33:01 PM all 1.04 0.00 0.34 0.06 0.01 98.55 12:33:01 PM 0 0.99 0.00 0.48 0.12 0.02 98.40 12:33:01 PM 1 0.92 0.00 0.35 0.02 0.02 98.70 12:33:01 PM 2 1.02 0.00 0.28 0.08 0.00 98.61 12:33:01 PM 3 1.23 0.00 0.25 0.02 0.00 98.50 12:34:01 PM all 24.63 0.10 2.15 0.34 0.02 72.77 12:34:01 PM 0 25.50 0.03 1.63 0.65 0.02 72.16 12:34:01 PM 1 22.35 0.13 2.03 0.25 0.02 75.21 12:34:01 PM 2 26.34 0.18 2.43 0.18 0.02 70.84 12:34:01 PM 3 24.33 0.03 2.50 0.25 0.02 72.87 12:35:01 PM all 17.75 0.00 9.43 7.02 0.02 65.77 12:35:01 PM 0 13.11 0.00 9.03 7.12 0.03 70.70 12:35:01 PM 1 13.26 0.00 9.84 6.27 0.02 70.62 12:35:01 PM 2 24.78 0.00 10.08 8.13 0.02 56.99 12:35:01 PM 3 19.86 0.00 8.77 6.56 0.00 64.80 12:36:01 PM all 41.24 0.00 1.67 1.22 0.04 55.83 12:36:01 PM 0 25.66 0.00 1.24 0.48 0.05 72.56 12:36:01 PM 1 43.52 0.00 1.35 0.95 0.03 54.14 12:36:01 PM 2 49.45 0.00 2.06 2.27 0.03 46.19 12:36:01 PM 3 46.35 0.00 2.04 1.15 0.03 50.42 12:37:01 PM all 20.87 0.00 1.85 0.19 0.01 77.08 12:37:01 PM 0 28.88 0.00 2.14 0.18 0.02 68.78 12:37:01 PM 1 24.93 0.00 2.24 0.13 0.02 72.68 12:37:01 PM 2 21.59 0.00 1.87 0.13 0.02 76.39 12:37:01 PM 3 8.03 0.00 1.15 0.30 0.00 90.51 Average: all 20.04 0.01 2.54 1.42 0.02 75.98 Average: 0 18.25 0.00 2.38 1.23 0.02 78.12 Average: 1 19.72 0.02 2.48 1.16 0.02 76.61 Average: 2 21.21 0.02 2.63 1.58 0.01 74.54 Average: 3 20.97 0.00 2.67 1.70 0.01 74.64