---> uname -a: Linux prd-centos8-docker-4c-4g-7238.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 nrip_save 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 1600 10377 19 3784 13811 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:70:87:d8 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.96/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85932sec preferred_lft 85932sec inet6 fe80::f816:3eff:fe70:87d8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:63:d9:18:80 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::42:63ff:fed9:1880/64 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) 06/06/2026 _x86_64_ (4 CPU) 00:33:05 LINUX RESTART (4 CPU) 12:34:01 AM tps rtps wtps bread/s bwrtn/s 12:35:01 AM 233.34 19.18 214.16 3995.47 14610.03 12:36:01 AM 110.91 2.96 107.94 284.96 26284.61 12:37:01 AM 25.41 0.00 25.41 0.00 6500.22 12:38:01 AM 5.33 1.65 3.68 48.23 365.56 12:39:01 AM 91.99 1.67 90.32 535.33 18362.62 12:40:01 AM 32.72 2.68 30.04 92.24 1865.64 Average: 83.28 4.69 78.59 825.97 11332.41 12:34:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:35:01 AM 11971216 14748068 4168104 25.83 2688 2979260 1339912 7.80 203188 3551168 718284 12:36:01 AM 10009924 13027128 6129396 37.98 2688 3215112 2978760 17.33 287036 5406436 183032 12:37:01 AM 9489680 12512692 6649640 41.20 2688 3220760 3320588 19.32 293876 5918144 2004 12:38:01 AM 8646828 11678276 7492492 46.42 2688 3228820 4129188 24.02 296500 6754564 328 12:39:01 AM 8002308 11465296 8137012 50.42 2688 3649768 5251304 30.55 425140 7220144 116 12:40:01 AM 10700472 14214700 5438848 33.70 2688 3700688 2374360 13.81 501080 4462260 8056 Average: 9803405 12941027 6335915 39.26 2688 3332401 3232352 18.81 334470 5552119 151970 12:34:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:35:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:35:01 AM eth0 628.54 332.09 11665.64 46.16 0.00 0.00 0.00 0.00 12:35:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:36:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:36:01 AM eth0 229.79 174.84 3419.82 22.51 0.00 0.00 0.00 0.00 12:36:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:37:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:37:01 AM eth0 208.37 131.91 68.51 78.68 0.00 0.00 0.00 0.00 12:37:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:38:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:38:01 AM eth0 214.22 148.22 61.99 60.61 0.00 0.00 0.00 0.00 12:38:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:39:01 AM lo 16.06 16.06 27.07 27.07 0.00 0.00 0.00 0.00 12:39:01 AM eth0 111.54 81.51 2821.69 8.09 0.00 0.00 0.00 0.00 12:39:01 AM docker0 0.20 0.30 0.01 0.02 0.00 0.00 0.00 0.00 12:39:01 AM vetha0b8bc5 0.20 0.45 0.01 0.04 0.00 0.00 0.00 0.00 12:39:01 AM br-32f42e6ca6f9 5.73 5.78 25.61 0.95 0.00 0.00 0.00 0.00 12:40:01 AM lo 1.40 1.40 0.10 0.10 0.00 0.00 0.00 0.00 12:40:01 AM eth0 208.73 124.76 616.62 60.01 0.00 0.00 0.00 0.00 12:40:01 AM docker0 0.08 0.10 0.00 0.01 0.00 0.00 0.00 0.00 Average: lo 2.91 2.91 4.53 4.53 0.00 0.00 0.00 0.00 Average: eth0 266.86 165.55 3108.98 46.01 0.00 0.00 0.00 0.00 Average: docker0 0.05 0.07 0.00 0.01 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) 06/06/2026 _x86_64_ (4 CPU) 00:33:05 LINUX RESTART (4 CPU) 12:34:01 AM CPU %user %nice %system %iowait %steal %idle 12:35:01 AM all 26.94 0.00 2.68 2.26 0.09 68.02 12:35:01 AM 0 30.31 0.00 3.69 2.94 0.10 62.97 12:35:01 AM 1 37.39 0.00 3.41 1.40 0.08 57.71 12:35:01 AM 2 21.16 0.00 1.84 2.38 0.10 74.52 12:35:01 AM 3 18.86 0.00 1.78 2.32 0.08 76.95 12:36:01 AM all 64.12 0.00 1.91 1.71 0.09 32.17 12:36:01 AM 0 72.00 0.00 1.60 0.33 0.08 25.98 12:36:01 AM 1 58.70 0.00 1.79 2.89 0.10 36.52 12:36:01 AM 2 53.36 0.00 2.01 1.62 0.08 42.93 12:36:01 AM 3 72.41 0.00 2.24 1.99 0.08 23.28 12:37:01 AM all 31.08 0.00 1.47 0.39 0.08 66.98 12:37:01 AM 0 36.47 0.00 1.35 0.00 0.07 62.11 12:37:01 AM 1 30.66 0.00 1.49 0.32 0.07 67.47 12:37:01 AM 2 29.55 0.00 1.45 0.10 0.08 68.81 12:37:01 AM 3 27.63 0.00 1.60 1.14 0.08 69.55 12:38:01 AM all 28.48 0.00 1.21 0.03 0.08 70.21 12:38:01 AM 0 55.33 0.00 1.52 0.07 0.07 43.02 12:38:01 AM 1 13.21 0.00 1.50 0.05 0.10 85.13 12:38:01 AM 2 23.94 0.00 0.87 0.00 0.07 75.13 12:38:01 AM 3 21.40 0.00 0.95 0.00 0.07 77.58 12:39:01 AM all 28.66 0.00 3.75 1.75 0.09 65.75 12:39:01 AM 0 27.04 0.00 5.30 1.77 0.10 65.79 12:39:01 AM 1 24.83 0.00 2.93 2.39 0.08 69.77 12:39:01 AM 2 35.25 0.00 3.43 1.63 0.10 59.59 12:39:01 AM 3 27.51 0.00 3.36 1.19 0.08 67.85 12:40:01 AM all 43.62 0.00 1.53 0.18 0.09 54.59 12:40:01 AM 0 54.40 0.00 1.90 0.08 0.08 43.53 12:40:01 AM 1 26.87 0.00 1.07 0.17 0.08 71.81 12:40:01 AM 2 45.87 0.00 1.52 0.13 0.10 52.37 12:40:01 AM 3 47.34 0.00 1.62 0.32 0.08 50.64 Average: all 37.16 0.00 2.09 1.05 0.09 59.61 Average: 0 45.95 0.00 2.56 0.86 0.08 50.54 Average: 1 31.95 0.00 2.03 1.20 0.09 64.73 Average: 2 34.86 0.00 1.85 0.98 0.09 62.23 Average: 3 35.88 0.00 1.93 1.16 0.08 60.95