---> uname -a: Linux prd-centos8-docker-4c-4g-2630.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 1063 10783 20 3914 14347 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:71:bc:96 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.227/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85896sec preferred_lft 85896sec inet6 fe80::f816:3eff:fe71:bc96/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:1b:6d:62:4f 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::42:1bff:fe6d:624f/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) 20:35:06 LINUX RESTART (4 CPU) 08:36:01 PM tps rtps wtps bread/s bwrtn/s 08:37:01 PM 54.34 0.33 54.01 32.53 4375.87 08:38:01 PM 108.80 1.75 107.05 290.84 8131.06 08:39:01 PM 168.71 4.32 164.39 481.79 14156.29 08:40:01 PM 16.18 0.45 15.73 394.54 890.05 08:41:01 PM 87.37 1.50 85.87 80.49 19814.41 08:42:01 PM 1205.78 75.21 1130.57 1415.93 29835.79 08:43:01 PM 86.42 43.42 43.00 710.70 1941.19 Average: 246.80 18.14 228.66 486.69 11306.68 08:36:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:37:01 PM 13368716 15113076 2770600 17.17 2688 1961740 1126376 6.55 140508 2275452 141380 08:38:01 PM 12823700 14821232 3315616 20.54 2688 2205176 1556952 9.06 155248 2768684 199672 08:39:01 PM 11620112 13817788 4519204 28.00 2688 2400732 2430500 14.14 203956 3894088 28 08:40:01 PM 11135232 13701948 5004084 31.01 2688 2759872 2761436 16.07 205400 4340048 333248 08:41:01 PM 11386452 14192180 4752864 29.45 2688 2995604 1835632 10.68 425800 3857024 6452 08:42:01 PM 10086452 13661492 6052864 37.50 2688 3566188 1898124 11.04 473536 4658452 6744 08:43:01 PM 11107028 14740988 5032288 31.18 2688 3621864 1164080 6.77 680788 3436648 30884 Average: 11646813 14292672 4492503 27.84 2688 2787311 1824729 10.62 326462 3604342 102630 08:36:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:37:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:37:01 PM eth0 62.21 41.33 953.68 8.71 0.00 0.00 0.00 0.00 08:37:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:38:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:38:01 PM eth0 102.93 79.12 1060.42 18.00 0.00 0.00 0.00 0.00 08:38:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:39:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:39:01 PM eth0 214.16 180.64 2823.20 26.79 0.00 0.00 0.00 0.00 08:39:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:01 PM lo 0.25 0.25 0.02 0.02 0.00 0.00 0.00 0.00 08:40:01 PM eth0 144.82 74.54 2268.31 5.98 0.00 0.00 0.00 0.00 08:40:01 PM docker0 0.22 0.32 0.01 0.03 0.00 0.00 0.00 0.00 08:40:01 PM veth9809483 0.22 0.47 0.01 0.04 0.00 0.00 0.00 0.00 08:41:01 PM lo 6.00 6.00 4.53 4.53 0.00 0.00 0.00 0.00 08:41:01 PM eth0 82.11 68.88 689.19 1189.61 0.00 0.00 0.00 0.00 08:41:01 PM docker0 3.32 3.07 4.08 0.44 0.00 0.00 0.00 0.00 08:42:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:42:01 PM eth0 125.76 96.17 1177.87 15.91 0.00 0.00 0.00 0.00 08:42:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:43:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:43:01 PM eth0 16.28 13.86 42.93 38.49 0.00 0.00 0.00 0.00 08:43:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.89 0.89 0.65 0.65 0.00 0.00 0.00 0.00 Average: eth0 106.89 79.22 1287.90 186.24 0.00 0.00 0.00 0.00 Average: docker0 0.50 0.48 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) 10/17/2026 _x86_64_ (4 CPU) 20:35:06 LINUX RESTART (4 CPU) 08:36:01 PM CPU %user %nice %system %iowait %steal %idle 08:37:01 PM all 9.19 0.00 0.93 0.29 0.00 89.58 08:37:01 PM 0 9.05 0.00 0.85 0.28 0.00 89.82 08:37:01 PM 1 3.36 0.00 0.58 0.07 0.00 95.99 08:37:01 PM 2 10.62 0.00 0.95 0.35 0.02 88.06 08:37:01 PM 3 13.72 0.00 1.35 0.45 0.00 84.47 08:38:01 PM all 14.41 0.00 1.23 0.63 0.00 83.73 08:38:01 PM 0 11.74 0.00 1.10 0.43 0.00 86.72 08:38:01 PM 1 11.67 0.00 0.95 0.57 0.00 86.81 08:38:01 PM 2 24.67 0.00 1.92 0.97 0.00 72.44 08:38:01 PM 3 9.57 0.00 0.94 0.54 0.02 88.94 08:39:01 PM all 21.75 0.00 1.31 1.01 0.01 75.91 08:39:01 PM 0 21.97 0.00 0.92 0.65 0.02 76.45 08:39:01 PM 1 22.40 0.00 1.59 1.47 0.02 74.52 08:39:01 PM 2 18.73 0.00 1.29 1.00 0.00 78.98 08:39:01 PM 3 23.91 0.00 1.45 0.92 0.00 73.71 08:40:01 PM all 2.91 0.00 1.09 0.06 0.00 95.94 08:40:01 PM 0 2.80 0.00 1.24 0.05 0.00 95.90 08:40:01 PM 1 3.01 0.00 1.24 0.08 0.00 95.66 08:40:01 PM 2 2.71 0.00 0.90 0.03 0.00 96.35 08:40:01 PM 3 3.11 0.00 0.99 0.07 0.00 95.84 08:41:01 PM all 26.01 0.09 1.81 0.60 0.02 71.46 08:41:01 PM 0 26.81 0.02 1.54 0.12 0.02 71.50 08:41:01 PM 1 27.99 0.15 1.89 0.84 0.03 69.10 08:41:01 PM 2 24.31 0.12 1.47 1.15 0.02 72.94 08:41:01 PM 3 24.93 0.08 2.36 0.30 0.02 72.31 08:42:01 PM all 22.78 0.00 9.44 7.38 0.07 60.33 08:42:01 PM 0 21.14 0.00 8.13 4.43 0.05 66.24 08:42:01 PM 1 16.71 0.00 9.39 9.94 0.09 63.87 08:42:01 PM 2 14.68 0.00 8.89 7.91 0.07 68.46 08:42:01 PM 3 38.60 0.00 11.35 7.26 0.07 42.73 08:43:01 PM all 42.54 0.00 1.84 0.59 0.04 55.00 08:43:01 PM 0 42.68 0.00 1.87 0.47 0.05 54.93 08:43:01 PM 1 32.09 0.00 1.79 0.84 0.02 65.27 08:43:01 PM 2 49.60 0.00 1.72 0.60 0.05 48.03 08:43:01 PM 3 45.76 0.00 1.97 0.43 0.03 51.80 Average: all 19.94 0.01 2.51 1.49 0.02 76.03 Average: 0 19.46 0.00 2.22 0.91 0.02 77.39 Average: 1 16.74 0.02 2.47 1.95 0.02 78.80 Average: 2 20.77 0.02 2.44 1.71 0.02 75.05 Average: 3 22.76 0.01 2.90 1.41 0.02 72.90