---> uname -a: Linux prd-centos8-docker-4c-4g-5023.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 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 782 12181 20 2796 14638 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:01:a7:cc brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.154/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85965sec preferred_lft 85965sec inet6 fe80::f816:3eff:fe01:a7cc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:14:a6:03:cf 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) 11/02/2026 _x86_64_ (4 CPU) 11:24:29 LINUX RESTART (4 CPU) 11:25:02 AM tps rtps wtps bread/s bwrtn/s 11:26:01 AM 181.94 33.20 148.74 6249.72 40624.17 11:27:01 AM 105.16 0.50 104.67 142.22 9879.76 11:28:01 AM 165.85 19.85 146.00 3984.81 10325.05 11:29:01 AM 82.67 1.60 81.07 100.12 10230.18 11:30:01 AM 9.66 0.00 9.66 0.00 450.65 11:31:01 AM 6.38 3.13 3.25 229.16 281.12 11:32:01 AM 20.96 0.47 20.49 56.51 1703.98 Average: 81.58 8.34 73.24 1526.62 10428.36 11:25:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:26:01 AM 13527412 15116372 2611904 16.18 2688 1815680 1139888 6.63 144332 2148812 41620 11:27:01 AM 13160868 15116804 2978448 18.45 2688 2163960 1095152 6.37 146696 2444184 176516 11:28:01 AM 12122252 14389844 4017064 24.89 2688 2469940 1993280 11.60 224168 3374704 98768 11:29:01 AM 9562908 12034276 6576408 40.75 2688 2670464 3964420 23.07 263968 5873816 3780 11:30:01 AM 9409352 11884824 6729964 41.70 2688 2674568 3974508 23.12 264036 6027344 1028 11:31:01 AM 11193200 13692008 4946116 30.65 2688 2697252 2362332 13.74 279164 4232348 10116 11:32:01 AM 12426824 14948104 3712492 23.00 2688 2718600 1193200 6.94 475124 2804788 15072 Average: 11628974 13883176 4510342 27.95 2688 2458638 2246111 13.07 256784 3843714 49557 11:25:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:26:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:26:01 AM eth0 327.26 181.60 1102.03 65.50 0.00 0.00 0.00 0.00 11:26:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:27:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:27:01 AM eth0 75.22 43.95 1148.54 6.87 0.00 0.00 0.00 0.00 11:27:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:28:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:28:01 AM eth0 233.07 196.72 2474.74 39.07 0.00 0.00 0.00 0.00 11:28:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:29:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:29:01 AM eth0 252.89 182.25 2975.08 37.00 0.00 0.00 0.00 0.00 11:29:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:01 AM eth0 259.46 161.23 110.49 105.29 0.00 0.00 0.00 0.00 11:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:31:01 AM lo 6.47 6.47 0.79 0.79 0.00 0.00 0.00 0.00 11:31:01 AM eth0 111.06 77.15 36.73 34.78 0.00 0.00 0.00 0.00 11:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:32:01 AM eth0 27.72 21.83 51.85 18.99 0.00 0.00 0.00 0.00 11:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.93 0.93 0.11 0.11 0.00 0.00 0.00 0.00 Average: eth0 183.48 123.40 1128.64 43.88 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) 11/02/2026 _x86_64_ (4 CPU) 11:24:29 LINUX RESTART (4 CPU) 11:25:02 AM CPU %user %nice %system %iowait %steal %idle 11:26:01 AM all 13.51 0.00 2.48 1.88 0.01 82.13 11:26:01 AM 0 6.65 0.00 2.66 1.77 0.02 88.90 11:26:01 AM 1 13.56 0.00 2.83 2.69 0.02 80.91 11:26:01 AM 2 15.63 0.00 2.35 0.73 0.00 81.30 11:26:01 AM 3 18.18 0.00 2.07 2.31 0.02 77.43 11:27:01 AM all 12.52 0.00 1.23 0.75 0.00 85.50 11:27:01 AM 0 20.24 0.00 1.77 0.40 0.02 77.58 11:27:01 AM 1 1.82 0.00 0.72 0.82 0.00 96.64 11:27:01 AM 2 12.06 0.00 1.39 0.85 0.00 85.70 11:27:01 AM 3 15.94 0.00 1.05 0.93 0.00 82.07 11:28:01 AM all 36.03 0.00 2.01 0.96 0.03 60.98 11:28:01 AM 0 35.87 0.00 1.37 0.70 0.02 62.04 11:28:01 AM 1 35.10 0.00 2.26 0.69 0.03 61.93 11:28:01 AM 2 33.75 0.00 2.68 1.69 0.05 61.83 11:28:01 AM 3 39.39 0.00 1.72 0.75 0.03 58.10 11:29:01 AM all 70.30 0.00 1.90 0.54 0.03 27.22 11:29:01 AM 0 81.01 0.00 2.30 0.28 0.03 16.37 11:29:01 AM 1 53.38 0.00 1.97 1.51 0.03 43.11 11:29:01 AM 2 75.23 0.00 1.25 0.15 0.03 23.33 11:29:01 AM 3 71.53 0.00 2.09 0.23 0.03 26.11 11:30:01 AM all 22.47 0.00 1.45 0.02 0.02 76.05 11:30:01 AM 0 21.40 0.00 1.47 0.00 0.02 77.11 11:30:01 AM 1 27.84 0.00 1.40 0.05 0.02 70.69 11:30:01 AM 2 18.95 0.00 1.64 0.00 0.02 79.40 11:30:01 AM 3 21.69 0.00 1.29 0.03 0.02 76.98 11:31:01 AM all 35.99 0.00 1.24 0.05 0.02 62.70 11:31:01 AM 0 31.26 0.00 1.02 0.03 0.02 67.67 11:31:01 AM 1 25.48 0.00 0.95 0.02 0.02 73.54 11:31:01 AM 2 58.00 0.00 1.86 0.12 0.03 40.00 11:31:01 AM 3 29.22 0.00 1.14 0.02 0.02 69.61 11:32:01 AM all 31.89 0.00 1.68 0.09 0.03 66.31 11:32:01 AM 0 33.02 0.00 2.12 0.07 0.03 64.76 11:32:01 AM 1 21.30 0.00 1.02 0.00 0.02 77.67 11:32:01 AM 2 31.33 0.00 1.39 0.17 0.03 67.08 11:32:01 AM 3 41.90 0.00 2.19 0.12 0.05 55.74 Average: all 31.86 0.00 1.71 0.61 0.02 65.80 Average: 0 32.85 0.00 1.81 0.46 0.02 64.85 Average: 1 25.52 0.00 1.59 0.82 0.02 72.05 Average: 2 35.04 0.00 1.79 0.53 0.02 62.62 Average: 3 34.01 0.00 1.65 0.62 0.02 63.69