---> uname -a: Linux prd-centos8-docker-4c-4g-8816.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 11G 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 886 11393 19 3480 14524 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:39:e4:9d brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.207/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85918sec preferred_lft 85918sec inet6 fe80::f816:3eff:fe39:e49d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c2:49:59:a2 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:c2ff:fe49:59a2/64 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) 07/11/2026 _x86_64_ (4 CPU) 08:02:23 LINUX RESTART (4 CPU) 08:03:02 AM tps rtps wtps bread/s bwrtn/s 08:04:01 AM 191.68 19.32 172.37 3552.83 11555.76 08:05:01 AM 161.23 3.30 157.93 771.88 12508.13 08:06:01 AM 27.83 0.00 27.83 0.00 7391.37 08:07:01 AM 15.30 2.88 12.42 226.74 341.40 08:08:01 AM 83.27 0.63 82.64 423.86 15960.08 08:09:02 AM 13.57 1.22 12.35 1589.88 2420.06 08:10:01 AM 120.30 0.44 119.86 57.20 8376.18 Average: 87.26 3.94 83.32 941.98 8355.93 08:03:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:04:01 AM 12668028 14825324 3471284 21.51 2688 2362636 1316900 7.66 165504 2905420 253308 08:05:01 AM 10981608 13451852 5157704 31.96 2688 2669028 2538916 14.77 259456 4463228 212428 08:06:01 AM 10205940 12680588 5933372 36.76 2688 2673256 3207520 18.66 264692 5232340 1924 08:07:01 AM 9315596 11814360 6823716 42.28 2688 2696652 4611452 26.83 276160 6104392 4332 08:08:01 AM 8143036 11062360 7996276 49.55 2688 3107240 5546836 32.27 397296 7112976 976 08:09:02 AM 10727696 13907612 5411616 33.53 2688 3366528 2684008 15.62 457588 4474684 158700 08:10:01 AM 11699728 14904968 4439584 27.51 2688 3386612 1769116 10.29 663984 3293576 24560 Average: 10534519 13235295 5604793 34.73 2688 2894565 3096393 18.01 354954 4798088 93747 08:03:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:04:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:04:01 AM eth0 204.56 152.47 2431.60 31.93 0.00 0.00 0.00 0.00 08:04:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:01 AM eth0 266.94 219.31 4309.23 35.27 0.00 0.00 0.00 0.00 08:05:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM eth0 192.20 124.20 66.20 77.37 0.00 0.00 0.00 0.00 08:06:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:07:01 AM lo 3.71 3.71 0.49 0.49 0.00 0.00 0.00 0.00 08:07:01 AM eth0 143.88 85.68 40.98 51.77 0.00 0.00 0.00 0.00 08:07:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:08:01 AM lo 13.40 13.40 26.68 26.68 0.00 0.00 0.00 0.00 08:08:01 AM eth0 174.79 103.28 2829.07 9.88 0.00 0.00 0.00 0.00 08:08:01 AM docker0 0.22 0.32 0.01 0.03 0.00 0.00 0.00 0.00 08:08:01 AM veth425213c 0.22 0.47 0.01 0.04 0.00 0.00 0.00 0.00 08:08:01 AM br-c64bde4878dd 5.86 5.85 25.62 0.95 0.00 0.00 0.00 0.00 08:09:02 AM lo 0.65 0.65 0.03 0.03 0.00 0.00 0.00 0.00 08:09:02 AM eth0 140.28 103.83 3188.16 11.13 0.00 0.00 0.00 0.00 08:09:02 AM docker0 0.07 0.08 0.00 0.00 0.00 0.00 0.00 0.00 08:10:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:01 AM eth0 60.78 36.11 14.08 175.11 0.00 0.00 0.00 0.00 08:10:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.55 2.55 3.90 3.90 0.00 0.00 0.00 0.00 Average: eth0 169.23 117.95 1842.90 55.83 0.00 0.00 0.00 0.00 Average: docker0 0.04 0.06 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) 07/11/2026 _x86_64_ (4 CPU) 08:02:23 LINUX RESTART (4 CPU) 08:03:02 AM CPU %user %nice %system %iowait %steal %idle 08:04:01 AM all 24.74 0.00 2.30 1.14 0.10 71.73 08:04:01 AM 0 29.49 0.00 2.44 1.29 0.08 66.69 08:04:01 AM 1 34.04 0.00 3.43 1.05 0.10 61.38 08:04:01 AM 2 18.19 0.00 1.09 0.29 0.12 80.31 08:04:01 AM 3 17.18 0.00 2.21 1.92 0.09 78.60 08:05:01 AM all 62.35 0.00 2.13 0.76 0.10 34.67 08:05:01 AM 0 65.71 0.00 1.82 0.79 0.10 31.58 08:05:01 AM 1 62.29 0.00 2.06 0.53 0.10 35.02 08:05:01 AM 2 62.42 0.00 2.44 0.90 0.08 34.15 08:05:01 AM 3 58.96 0.00 2.19 0.80 0.10 37.94 08:06:01 AM all 22.12 0.00 1.27 0.18 0.07 76.36 08:06:01 AM 0 26.59 0.00 0.87 0.00 0.05 72.49 08:06:01 AM 1 19.29 0.00 1.62 0.65 0.08 78.35 08:06:01 AM 2 21.21 0.00 1.22 0.05 0.08 77.43 08:06:01 AM 3 21.36 0.00 1.39 0.03 0.07 77.15 08:07:01 AM all 39.18 0.00 1.41 0.04 0.08 59.28 08:07:01 AM 0 34.30 0.00 0.97 0.00 0.08 64.65 08:07:01 AM 1 29.63 0.00 1.82 0.02 0.08 68.45 08:07:01 AM 2 51.10 0.00 1.67 0.05 0.08 47.10 08:07:01 AM 3 41.71 0.00 1.20 0.08 0.08 56.93 08:08:01 AM all 26.80 0.00 3.25 0.64 0.09 69.23 08:08:01 AM 0 21.55 0.00 3.38 0.93 0.08 74.06 08:08:01 AM 1 33.88 0.00 3.48 0.25 0.08 62.30 08:08:01 AM 2 26.14 0.00 3.04 0.47 0.10 70.25 08:08:01 AM 3 25.63 0.00 3.08 0.91 0.08 70.30 08:09:02 AM all 49.18 0.00 1.24 0.08 0.08 49.42 08:09:02 AM 0 38.86 0.00 1.82 0.17 0.07 59.08 08:09:02 AM 1 55.96 0.00 0.63 0.02 0.10 43.29 08:09:02 AM 2 52.44 0.00 0.82 0.02 0.08 46.64 08:09:02 AM 3 49.42 0.00 1.70 0.10 0.08 48.69 08:10:01 AM all 57.72 0.00 1.80 0.46 0.10 39.92 08:10:01 AM 0 31.14 0.00 1.87 0.42 0.10 66.47 08:10:01 AM 1 71.15 0.00 0.90 0.05 0.08 27.82 08:10:01 AM 2 65.70 0.00 2.14 1.26 0.08 30.81 08:10:01 AM 3 62.88 0.00 2.31 0.10 0.12 34.59 Average: all 40.31 0.00 1.91 0.47 0.09 57.22 Average: 0 35.41 0.00 1.88 0.51 0.08 62.12 Average: 1 43.73 0.00 1.99 0.37 0.09 53.83 Average: 2 42.49 0.00 1.77 0.43 0.09 55.21 Average: 3 39.61 0.00 2.01 0.56 0.09 57.73