---> uname -a: Linux prd-centos8-docker-4c-4g-1363.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: 2799.996 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 791 12173 20 2796 14629 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:b7:c9:0f brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.231/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85757sec preferred_lft 85757sec inet6 fe80::f816:3eff:feb7:c90f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d5:60:ae:dc 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) 09/14/2026 _x86_64_ (4 CPU) 13:36:28 LINUX RESTART (4 CPU) 01:37:01 PM tps rtps wtps bread/s bwrtn/s 01:38:01 PM 5.43 2.32 3.12 111.85 958.64 01:39:01 PM 3.12 1.52 1.60 83.17 29.67 01:40:01 PM 0.63 0.05 0.58 1.07 8.48 01:41:01 PM 0.50 0.00 0.50 0.00 7.23 01:42:02 PM 97.85 7.78 90.07 1247.58 2004.98 01:43:01 PM 221.65 19.35 202.30 3607.32 11861.37 01:44:01 PM 117.56 3.02 114.55 761.07 12136.06 01:45:01 PM 26.46 0.00 26.46 0.00 6730.57 01:46:01 PM 1.33 0.23 1.10 7.73 265.54 01:47:01 PM 14.45 3.33 11.11 278.17 752.80 Average: 48.61 3.73 44.88 604.82 3461.55 01:37:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:38:01 PM 13803524 15257708 2335792 14.47 2688 1686092 1055544 6.14 116992 1920652 4 01:39:01 PM 13772992 15230164 2366324 14.66 2688 1688596 1036220 6.03 117928 1949320 4 01:40:01 PM 13767304 15224500 2372012 14.70 2688 1688612 1036916 6.03 117944 1955204 4 01:41:01 PM 13767956 15225192 2371360 14.69 2688 1688616 1036916 6.03 117944 1954216 4 01:42:02 PM 13460216 15045164 2679100 16.60 2688 1811344 1161924 6.76 145708 2213864 56324 01:43:01 PM 12563688 14772884 3575628 22.15 2688 2413344 1363304 7.93 168040 2999868 292024 01:44:01 PM 11042332 13509876 5096984 31.58 2688 2666736 2478844 14.42 261980 4398844 191728 01:45:01 PM 9493900 11968192 6645416 41.18 2688 2673264 3894728 22.66 264080 5941328 2808 01:46:01 PM 9437924 11917540 6701392 41.52 2688 2678460 3958696 23.03 264884 5995104 340 01:47:01 PM 12479016 15000440 3660300 22.68 2688 2718760 1151736 6.70 475572 2749316 34944 Average: 12358885 14315166 3780431 23.42 2688 2171382 1817483 10.57 205107 3207772 57818 01:37:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:38:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:38:01 PM eth0 34.44 17.48 93.40 5.78 0.00 0.00 0.00 0.00 01:38:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:39:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:39:01 PM eth0 8.93 5.45 6.89 6.49 0.00 0.00 0.00 0.00 01:39:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:40:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:40:01 PM eth0 0.63 0.35 0.37 0.54 0.00 0.00 0.00 0.00 01:40:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:41:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:41:01 PM eth0 0.28 0.18 0.06 0.19 0.00 0.00 0.00 0.00 01:41:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:42:02 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:42:02 PM eth0 136.19 85.29 567.57 41.29 0.00 0.00 0.00 0.00 01:42:02 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:43:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:43:01 PM eth0 268.26 214.08 3215.25 40.26 0.00 0.00 0.00 0.00 01:43:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:44:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:44:01 PM eth0 206.63 173.27 3456.10 33.49 0.00 0.00 0.00 0.00 01:44:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:45:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:45:01 PM eth0 147.03 87.30 65.72 65.80 0.00 0.00 0.00 0.00 01:45:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:46:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:46:01 PM eth0 278.29 180.80 117.81 101.82 0.00 0.00 0.00 0.00 01:46:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:47:01 PM lo 6.31 6.31 0.79 0.79 0.00 0.00 0.00 0.00 01:47:01 PM eth0 27.52 24.44 53.74 20.51 0.00 0.00 0.00 0.00 01:47:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.63 0.63 0.08 0.08 0.00 0.00 0.00 0.00 Average: eth0 110.56 78.64 753.58 31.60 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) 09/14/2026 _x86_64_ (4 CPU) 13:36:28 LINUX RESTART (4 CPU) 01:37:01 PM CPU %user %nice %system %iowait %steal %idle 01:38:01 PM all 0.75 0.00 0.16 0.04 0.00 99.04 01:38:01 PM 0 0.73 0.00 0.13 0.10 0.00 99.03 01:38:01 PM 1 0.70 0.00 0.22 0.07 0.00 99.01 01:38:01 PM 2 0.60 0.00 0.17 0.00 0.00 99.23 01:38:01 PM 3 0.97 0.00 0.13 0.00 0.00 98.90 01:39:01 PM all 1.21 0.00 0.16 0.03 0.00 98.60 01:39:01 PM 0 1.22 0.00 0.17 0.02 0.00 98.60 01:39:01 PM 1 1.05 0.00 0.15 0.08 0.00 98.71 01:39:01 PM 2 1.48 0.00 0.13 0.00 0.00 98.38 01:39:01 PM 3 1.10 0.00 0.20 0.00 0.00 98.70 01:40:01 PM all 0.23 0.00 0.05 0.00 0.01 99.71 01:40:01 PM 0 0.13 0.00 0.08 0.00 0.02 99.77 01:40:01 PM 1 0.40 0.00 0.07 0.00 0.00 99.53 01:40:01 PM 2 0.27 0.00 0.00 0.00 0.00 99.73 01:40:01 PM 3 0.12 0.00 0.05 0.00 0.02 99.82 01:41:01 PM all 0.20 0.00 0.03 0.00 0.00 99.77 01:41:01 PM 0 0.53 0.00 0.03 0.00 0.00 99.43 01:41:01 PM 1 0.05 0.00 0.02 0.00 0.00 99.93 01:41:01 PM 2 0.17 0.00 0.03 0.00 0.00 99.80 01:41:01 PM 3 0.03 0.00 0.03 0.00 0.00 99.93 01:42:02 PM all 10.27 0.00 1.26 0.82 0.01 87.64 01:42:02 PM 0 14.64 0.00 1.54 0.57 0.02 83.24 01:42:02 PM 1 9.66 0.00 0.75 0.10 0.00 89.49 01:42:02 PM 2 10.30 0.00 1.71 2.56 0.02 85.42 01:42:02 PM 3 6.47 0.00 1.04 0.05 0.02 92.43 01:43:01 PM all 26.56 0.00 2.55 1.23 0.03 69.63 01:43:01 PM 0 26.91 0.00 1.53 0.42 0.03 71.11 01:43:01 PM 1 31.60 0.00 3.49 2.01 0.03 62.87 01:43:01 PM 2 30.55 0.00 3.39 1.67 0.03 64.36 01:43:01 PM 3 17.18 0.00 1.79 0.84 0.02 80.18 01:44:01 PM all 64.83 0.00 2.13 0.54 0.03 32.47 01:44:01 PM 0 62.47 0.00 2.17 0.45 0.03 34.87 01:44:01 PM 1 68.65 0.00 1.72 0.62 0.02 28.99 01:44:01 PM 2 63.15 0.00 2.07 0.70 0.03 34.04 01:44:01 PM 3 65.04 0.00 2.56 0.40 0.03 31.96 01:45:01 PM all 50.79 0.00 1.41 0.16 0.03 47.60 01:45:01 PM 0 30.54 0.00 2.14 0.57 0.02 66.74 01:45:01 PM 1 61.71 0.00 0.92 0.03 0.02 37.32 01:45:01 PM 2 58.95 0.00 1.72 0.03 0.02 39.28 01:45:01 PM 3 51.98 0.00 0.88 0.02 0.07 47.05 01:46:01 PM all 18.61 0.00 1.34 0.01 0.02 80.03 01:46:01 PM 0 19.34 0.00 0.97 0.00 0.02 79.67 01:46:01 PM 1 27.08 0.00 1.40 0.02 0.02 71.48 01:46:01 PM 2 14.73 0.00 1.30 0.00 0.03 83.93 01:46:01 PM 3 13.29 0.00 1.67 0.02 0.02 85.01 01:47:01 PM all 48.90 0.00 1.90 0.15 0.03 49.03 01:47:01 PM 0 41.92 0.00 2.24 0.30 0.03 55.51 01:47:01 PM 1 63.97 0.00 2.24 0.18 0.07 33.54 01:47:01 PM 2 48.28 0.00 2.07 0.08 0.02 49.55 01:47:01 PM 3 41.41 0.00 1.05 0.02 0.02 57.51 Average: all 22.21 0.00 1.10 0.30 0.02 76.38 Average: 0 19.82 0.00 1.10 0.24 0.02 78.82 Average: 1 26.47 0.00 1.09 0.31 0.02 72.11 Average: 2 22.82 0.00 1.25 0.50 0.02 75.41 Average: 3 19.74 0.00 0.94 0.13 0.02 79.17