---> uname -a: Linux prd-centos8-docker-4c-4g-5422.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 1089 10798 20 3872 14321 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:40:7d:ca brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.121/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85908sec preferred_lft 85908sec inet6 fe80::f816:3eff:fe40:7dca/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:fe:db:0f:24 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:feff:fedb:f24/64 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) 19:04:58 LINUX RESTART (4 CPU) 07:06:01 PM tps rtps wtps bread/s bwrtn/s 07:07:01 PM 57.83 0.33 57.50 32.52 5541.99 07:08:01 PM 149.51 4.58 144.93 429.26 11276.25 07:09:01 PM 135.64 1.23 134.41 327.76 10558.11 07:10:01 PM 25.66 0.42 25.24 391.20 3635.59 07:11:01 PM 71.56 0.92 70.65 200.43 13933.90 07:12:01 PM 1234.72 89.19 1145.53 1627.32 32793.34 07:13:01 PM 65.79 29.83 35.96 545.91 1299.55 Average: 248.68 18.07 230.60 507.77 11291.55 07:06:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:07:01 PM 13335692 15081608 2803624 17.37 2688 1963884 1182908 6.88 140772 2309600 142924 07:08:01 PM 12598304 14634676 3541012 21.94 2688 2242084 1641316 9.55 159292 2973704 144924 07:09:01 PM 11616972 13801108 4522344 28.02 2688 2386416 2447304 14.24 203004 3895032 44 07:10:01 PM 11173124 13726148 4966192 30.77 2688 2745460 2812732 16.36 204688 4295488 255060 07:11:01 PM 11323544 14092112 4815772 29.84 2688 2957904 2009384 11.69 396156 3945624 71656 07:12:01 PM 9953340 13493028 6185976 38.33 2688 3529384 2069040 12.04 445768 4815244 6764 07:13:01 PM 11020364 14623968 5118952 31.72 2688 3587944 1302244 7.58 659744 3539144 55324 Average: 11574477 14207521 4564839 28.28 2688 2773297 1923561 11.19 315632 3681977 96671 07:06:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:07:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:07:01 PM eth0 70.69 43.12 960.43 18.19 0.00 0.00 0.00 0.00 07:07:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:08:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:08:01 PM eth0 134.69 104.73 1485.66 21.65 0.00 0.00 0.00 0.00 07:08:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:09:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:09:01 PM eth0 171.24 143.52 2085.86 20.49 0.00 0.00 0.00 0.00 07:09:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:01 PM lo 0.25 0.25 0.02 0.02 0.00 0.00 0.00 0.00 07:10:01 PM eth0 178.09 75.29 2272.64 6.23 0.00 0.00 0.00 0.00 07:10:01 PM docker0 0.22 0.32 0.01 0.03 0.00 0.00 0.00 0.00 07:10:01 PM vethc7fb1b3 0.22 0.47 0.01 0.04 0.00 0.00 0.00 0.00 07:11:01 PM lo 7.20 7.20 5.33 5.33 0.00 0.00 0.00 0.00 07:11:01 PM eth0 87.77 78.48 618.43 957.58 0.00 0.00 0.00 0.00 07:11:01 PM docker0 3.33 3.10 4.09 0.44 0.00 0.00 0.00 0.00 07:12:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:12:01 PM eth0 143.50 106.10 1166.63 16.54 0.00 0.00 0.00 0.00 07:12:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:13:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:13:01 PM eth0 20.61 17.46 48.55 40.25 0.00 0.00 0.00 0.00 07:13:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.76 0.76 0.00 0.00 0.00 0.00 Average: eth0 115.23 81.24 1234.03 154.44 0.00 0.00 0.00 0.00 Average: docker0 0.51 0.49 0.59 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) 10/26/2026 _x86_64_ (4 CPU) 19:04:58 LINUX RESTART (4 CPU) 07:06:01 PM CPU %user %nice %system %iowait %steal %idle 07:07:01 PM all 9.59 0.00 1.01 0.28 0.02 89.10 07:07:01 PM 0 3.20 0.00 0.48 0.10 0.02 96.20 07:07:01 PM 1 14.09 0.00 1.09 0.38 0.02 84.42 07:07:01 PM 2 17.21 0.00 1.89 0.33 0.03 80.54 07:07:01 PM 3 3.86 0.00 0.58 0.32 0.02 95.22 07:08:01 PM all 18.42 0.00 1.69 0.80 0.02 79.07 07:08:01 PM 0 20.63 0.00 2.39 1.07 0.02 75.89 07:08:01 PM 1 20.82 0.00 2.20 0.94 0.02 76.02 07:08:01 PM 2 18.97 0.00 1.29 0.68 0.02 79.04 07:08:01 PM 3 13.25 0.00 0.89 0.50 0.02 85.34 07:09:01 PM all 17.64 0.00 1.00 0.74 0.01 80.60 07:09:01 PM 0 17.13 0.00 0.65 0.18 0.02 82.02 07:09:01 PM 1 15.02 0.00 1.49 1.09 0.02 82.38 07:09:01 PM 2 20.57 0.00 1.12 0.82 0.00 77.49 07:09:01 PM 3 17.84 0.00 0.75 0.89 0.00 80.53 07:10:01 PM all 3.19 0.00 1.24 0.13 0.01 95.43 07:10:01 PM 0 3.27 0.00 1.22 0.30 0.00 95.20 07:10:01 PM 1 3.52 0.00 1.09 0.03 0.02 95.34 07:10:01 PM 2 3.35 0.00 1.39 0.17 0.02 95.08 07:10:01 PM 3 2.61 0.00 1.27 0.02 0.00 96.10 07:11:01 PM all 25.58 0.09 1.76 0.41 0.01 72.16 07:11:01 PM 0 24.34 0.00 1.92 0.12 0.02 73.60 07:11:01 PM 1 23.85 0.08 1.79 0.67 0.00 73.61 07:11:01 PM 2 26.73 0.00 1.82 0.42 0.02 71.02 07:11:01 PM 3 27.42 0.27 1.49 0.42 0.02 70.39 07:12:01 PM all 24.67 0.00 9.06 7.60 0.04 58.63 07:12:01 PM 0 25.34 0.00 8.10 8.34 0.05 58.17 07:12:01 PM 1 29.10 0.00 9.14 6.12 0.03 55.61 07:12:01 PM 2 18.86 0.00 9.95 8.18 0.03 62.98 07:12:01 PM 3 25.35 0.00 9.05 7.76 0.05 57.79 07:13:01 PM all 38.62 0.00 1.93 0.45 0.03 58.98 07:13:01 PM 0 36.32 0.00 1.80 0.58 0.02 61.28 07:13:01 PM 1 35.96 0.00 1.84 0.23 0.03 61.94 07:13:01 PM 2 29.17 0.00 1.90 0.55 0.02 68.36 07:13:01 PM 3 53.04 0.00 2.19 0.42 0.03 44.32 Average: all 19.67 0.01 2.51 1.47 0.02 76.31 Average: 0 18.60 0.00 2.36 1.51 0.02 77.51 Average: 1 20.34 0.01 2.65 1.35 0.02 75.63 Average: 2 19.27 0.00 2.75 1.58 0.02 76.39 Average: 3 20.48 0.04 2.30 1.46 0.02 75.70