---> uname -a: Linux prd-centos8-docker-4c-4g-2576.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 1027 10817 20 3916 14383 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:5d:9d:4c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.77/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85876sec preferred_lft 85876sec inet6 fe80::f816:3eff:fe5d:9d4c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:49:eb:6d:de 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::42:49ff:feeb:6dde/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) 10/17/2026 _x86_64_ (4 CPU) 19:38:31 LINUX RESTART (4 CPU) 07:39:01 PM tps rtps wtps bread/s bwrtn/s 07:40:01 PM 253.65 75.99 177.66 8762.01 39873.01 07:41:01 PM 95.17 0.08 95.08 1.60 9378.91 07:42:01 PM 179.41 5.58 173.83 729.24 9715.24 07:43:01 PM 53.96 0.67 53.30 425.58 7287.29 07:44:01 PM 41.79 0.28 41.51 4.26 11894.27 07:45:01 PM 76.69 1.22 75.47 76.24 7622.51 07:46:01 PM 1213.14 95.12 1118.02 1701.02 30940.96 07:47:01 PM 68.56 23.91 44.65 475.71 1861.25 Average: 247.80 25.36 222.44 1521.84 14821.47 07:39:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:40:01 PM 13548520 15108980 2590796 16.05 2688 1788100 1184236 6.89 137136 2137968 36032 07:41:01 PM 13248004 15067920 2891312 17.91 2688 2036268 1156064 6.73 141120 2385916 60180 07:42:01 PM 12203076 14399840 3936240 24.39 2688 2399904 2001460 11.64 185352 3332112 189392 07:43:01 PM 11655036 13880048 4484280 27.78 2688 2427108 2667220 15.52 204584 3852256 60 07:44:01 PM 10020016 12597612 6119300 37.92 2688 2769948 4259896 24.78 270388 5377388 400 07:45:01 PM 11014772 14158932 5124544 31.75 2688 3277644 1859716 10.82 427048 4115032 347068 07:46:01 PM 9865604 13452188 6273712 38.87 2688 3575940 1929624 11.23 477008 4871272 6756 07:47:01 PM 11077880 14727024 5061436 31.36 2688 3633716 1202960 7.00 688548 3455100 55748 Average: 11579114 14174068 4560202 28.26 2688 2738578 2032647 11.83 316398 3690880 86954 07:39:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:40:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:01 PM eth0 251.25 157.55 963.16 62.93 0.00 0.00 0.00 0.00 07:40:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:41:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:41:01 PM eth0 76.17 51.08 1143.42 7.10 0.00 0.00 0.00 0.00 07:41:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:42:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:42:01 PM eth0 317.57 254.11 3476.68 40.64 0.00 0.00 0.00 0.00 07:42:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:43:01 PM lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 07:43:01 PM eth0 18.67 13.14 98.90 1.81 0.00 0.00 0.00 0.00 07:43:01 PM docker0 0.08 0.18 0.00 0.02 0.00 0.00 0.00 0.00 07:43:01 PM vethffc576a 0.08 0.30 0.00 0.03 0.00 0.00 0.00 0.00 07:44:01 PM lo 0.25 0.25 0.01 0.01 0.00 0.00 0.00 0.00 07:44:01 PM eth0 152.05 68.20 2177.24 6.31 0.00 0.00 0.00 0.00 07:44:01 PM docker0 0.22 0.22 0.01 0.01 0.00 0.00 0.00 0.00 07:44:01 PM vethffc576a 0.18 0.25 0.01 0.01 0.00 0.00 0.00 0.00 07:44:01 PM veth558ca3d 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 07:45:01 PM lo 5.96 5.96 4.48 4.48 0.00 0.00 0.00 0.00 07:45:01 PM eth0 163.48 139.20 1282.95 1198.86 0.00 0.00 0.00 0.00 07:45:01 PM docker0 3.27 3.02 4.09 0.44 0.00 0.00 0.00 0.00 07:46:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:46:01 PM eth0 63.78 37.65 593.34 10.89 0.00 0.00 0.00 0.00 07:46:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:47:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:47:01 PM eth0 20.23 16.79 50.74 41.73 0.00 0.00 0.00 0.00 07:47:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.80 0.80 0.56 0.56 0.00 0.00 0.00 0.00 Average: eth0 132.90 92.21 1223.33 171.26 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) 10/17/2026 _x86_64_ (4 CPU) 19:38:31 LINUX RESTART (4 CPU) 07:39:01 PM CPU %user %nice %system %iowait %steal %idle 07:40:01 PM all 16.12 0.00 2.84 2.08 0.01 78.96 07:40:01 PM 0 16.43 0.00 3.33 4.71 0.00 75.53 07:40:01 PM 1 19.71 0.00 2.39 1.42 0.02 76.46 07:40:01 PM 2 12.99 0.00 3.07 1.49 0.00 82.45 07:40:01 PM 3 15.34 0.00 2.58 0.69 0.02 81.38 07:41:01 PM all 10.97 0.00 1.11 0.49 0.01 87.42 07:41:01 PM 0 4.95 0.00 0.78 0.15 0.02 94.10 07:41:01 PM 1 8.87 0.00 1.27 0.94 0.00 88.92 07:41:01 PM 2 14.21 0.00 0.80 0.53 0.02 84.43 07:41:01 PM 3 15.84 0.00 1.59 0.35 0.02 82.20 07:42:01 PM all 25.04 0.00 2.00 0.90 0.02 72.04 07:42:01 PM 0 22.59 0.00 2.19 0.95 0.02 74.25 07:42:01 PM 1 26.91 0.00 1.47 0.82 0.02 70.78 07:42:01 PM 2 18.62 0.00 1.64 0.99 0.02 78.73 07:42:01 PM 3 32.03 0.00 2.71 0.84 0.03 64.39 07:43:01 PM all 7.28 0.00 0.46 0.31 0.00 91.95 07:43:01 PM 0 8.02 0.00 0.28 0.12 0.00 91.58 07:43:01 PM 1 8.17 0.00 0.58 0.03 0.00 91.22 07:43:01 PM 2 4.61 0.00 0.62 1.02 0.00 93.75 07:43:01 PM 3 8.33 0.00 0.35 0.08 0.00 91.24 07:44:01 PM all 4.76 0.00 1.52 0.34 0.00 93.38 07:44:01 PM 0 4.24 0.00 1.67 0.13 0.02 93.94 07:44:01 PM 1 4.89 0.00 1.39 0.74 0.00 92.99 07:44:01 PM 2 4.22 0.00 1.31 0.18 0.00 94.29 07:44:01 PM 3 5.70 0.00 1.71 0.28 0.00 92.31 07:45:01 PM all 30.19 0.11 4.37 0.32 0.02 65.00 07:45:01 PM 0 25.96 0.08 4.73 0.47 0.00 68.76 07:45:01 PM 1 36.76 0.08 4.49 0.61 0.03 58.03 07:45:01 PM 2 24.07 0.24 3.75 0.13 0.02 71.79 07:45:01 PM 3 33.97 0.03 4.52 0.05 0.02 61.41 07:46:01 PM all 28.29 0.00 7.73 7.29 0.02 56.67 07:46:01 PM 0 21.89 0.00 7.55 7.08 0.02 63.47 07:46:01 PM 1 45.17 0.00 8.50 9.54 0.03 36.76 07:46:01 PM 2 23.32 0.00 7.64 7.08 0.02 61.95 07:46:01 PM 3 22.70 0.00 7.24 5.45 0.02 64.58 07:47:01 PM all 36.35 0.00 2.01 0.50 0.03 61.11 07:47:01 PM 0 26.19 0.00 1.82 0.17 0.02 71.81 07:47:01 PM 1 22.73 0.00 1.47 0.67 0.02 75.11 07:47:01 PM 2 62.99 0.00 2.71 0.53 0.07 33.71 07:47:01 PM 3 33.47 0.00 2.06 0.62 0.00 63.86 Average: all 19.85 0.01 2.75 1.52 0.01 75.85 Average: 0 16.26 0.01 2.79 1.71 0.01 79.22 Average: 1 21.61 0.01 2.69 1.84 0.01 73.83 Average: 2 20.63 0.03 2.68 1.49 0.02 75.15 Average: 3 20.91 0.00 2.84 1.04 0.01 75.20