---> uname -a: Linux prd-centos8-docker-4c-4g-6243.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 861 11622 19 3279 14552 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:9c:b0:4d brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.100/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85900sec preferred_lft 85900sec inet6 fe80::f816:3eff:fe9c:b04d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:16:54:0c:af 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::42:16ff:fe54:caf/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 10/25/2025 _x86_64_ (4 CPU) 08:02:23 LINUX RESTART (4 CPU) 08:03:01 AM tps rtps wtps bread/s bwrtn/s 08:04:01 AM 123.26 0.63 122.62 87.96 9745.44 08:05:01 AM 218.91 20.94 197.97 3985.47 9675.87 08:06:01 AM 30.13 0.05 30.08 1.07 7509.80 08:07:01 AM 5.15 1.05 4.10 85.45 354.52 08:08:01 AM 70.06 2.50 67.56 559.41 15071.76 08:09:01 AM 17.86 0.98 16.88 1587.60 1466.01 08:10:01 AM 16.91 0.27 16.65 3.87 6833.56 Average: 68.90 3.78 65.13 901.59 7236.94 08:03:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:04:01 AM 13211228 15075680 2930304 18.15 2688 2074156 1187820 6.91 150076 2403840 127116 08:05:01 AM 12051144 14351960 4090388 25.34 2688 2503016 1741276 10.13 239508 3436916 206132 08:06:01 AM 10891332 13203816 5250200 32.53 2688 2513792 2672636 15.55 260064 4568680 1008 08:07:01 AM 9954968 12277804 6186564 38.33 2688 2523764 3593928 20.91 269304 5490632 908 08:08:01 AM 7440488 10244368 8701044 53.90 2688 2994084 12197928 70.96 381836 7812216 22488 08:09:01 AM 11678940 14627296 4462592 27.65 2688 3138536 1467832 8.54 439960 3562836 141844 08:10:01 AM 11970128 14966596 4171404 25.84 2688 3179624 1162176 6.76 478852 3214876 24948 Average: 11028318 13535360 5113214 31.68 2688 2703853 3431942 19.96 317086 4355714 74921 08:03:01 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 69.35 54.16 1131.08 12.82 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 383.44 305.83 4817.73 43.82 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 125.86 79.72 47.03 57.16 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 3.67 3.67 0.39 0.39 0.00 0.00 0.00 0.00 08:07:01 AM eth0 224.85 130.16 72.91 73.21 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 14.06 14.06 27.07 27.07 0.00 0.00 0.00 0.00 08:08:01 AM eth0 239.10 118.53 2832.31 15.32 0.00 0.00 0.00 0.00 08:08:01 AM docker0 0.13 0.23 0.01 0.02 0.00 0.00 0.00 0.00 08:08:01 AM veth6f460cf 0.13 0.38 0.01 0.03 0.00 0.00 0.00 0.00 08:08:01 AM br-4c7873e5430a 5.63 5.36 25.59 0.91 0.00 0.00 0.00 0.00 08:08:01 AM veth38c1d00 5.35 5.16 25.63 0.87 0.00 0.00 0.00 0.00 08:08:01 AM veth920d5c0 10.55 10.75 26.52 26.54 0.00 0.00 0.00 0.00 08:09:01 AM lo 2.42 2.42 0.16 0.16 0.00 0.00 0.00 0.00 08:09:01 AM eth0 131.22 104.52 2385.80 10.43 0.00 0.00 0.00 0.00 08:09:01 AM docker0 0.08 0.10 0.00 0.01 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 98.13 77.10 276.06 128.52 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 2.88 2.88 3.94 3.94 0.00 0.00 0.00 0.00 Average: eth0 181.71 124.29 1651.94 48.75 0.00 0.00 0.00 0.00 Average: docker0 0.03 0.05 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 10/25/2025 _x86_64_ (4 CPU) 08:02:23 LINUX RESTART (4 CPU) 08:03:01 AM CPU %user %nice %system %iowait %steal %idle 08:04:01 AM all 15.34 0.00 1.41 4.67 0.06 78.52 08:04:01 AM 0 17.73 0.00 1.47 2.55 0.07 78.18 08:04:01 AM 1 2.41 0.00 0.77 8.02 0.07 88.73 08:04:01 AM 2 27.12 0.00 2.12 4.56 0.05 66.15 08:04:01 AM 3 14.09 0.00 1.29 3.56 0.05 81.02 08:05:01 AM all 48.98 0.00 2.27 3.00 0.10 45.64 08:05:01 AM 0 46.75 0.00 2.26 4.08 0.10 46.80 08:05:01 AM 1 53.61 0.00 1.51 1.39 0.10 43.39 08:05:01 AM 2 46.00 0.00 2.02 2.23 0.12 49.63 08:05:01 AM 3 49.56 0.00 3.30 4.30 0.10 42.73 08:06:01 AM all 40.18 0.00 1.30 0.48 0.09 57.95 08:06:01 AM 0 33.77 0.00 1.44 0.27 0.10 64.42 08:06:01 AM 1 38.64 0.00 1.14 0.00 0.07 60.16 08:06:01 AM 2 44.86 0.00 1.00 1.29 0.10 52.74 08:06:01 AM 3 43.43 0.00 1.64 0.38 0.08 54.46 08:07:01 AM all 28.21 0.00 1.41 0.03 0.08 70.27 08:07:01 AM 0 37.70 0.00 2.00 0.05 0.08 60.16 08:07:01 AM 1 17.03 0.00 1.39 0.00 0.08 81.50 08:07:01 AM 2 30.00 0.00 1.34 0.00 0.07 68.60 08:07:01 AM 3 28.10 0.00 0.92 0.08 0.07 70.83 08:08:01 AM all 36.96 0.00 2.93 2.51 0.10 57.50 08:08:01 AM 0 48.77 0.00 3.19 4.20 0.10 43.73 08:08:01 AM 1 32.18 0.00 2.74 1.06 0.08 63.93 08:08:01 AM 2 34.58 0.00 2.51 1.87 0.10 60.94 08:08:01 AM 3 32.29 0.00 3.30 2.89 0.10 61.42 08:09:01 AM all 24.63 0.00 1.23 0.27 0.06 73.81 08:09:01 AM 0 21.32 0.00 1.04 0.53 0.07 77.04 08:09:01 AM 1 24.69 0.00 1.39 0.13 0.07 73.72 08:09:01 AM 2 24.89 0.00 1.17 0.35 0.05 73.54 08:09:01 AM 3 27.61 0.00 1.32 0.05 0.07 70.95 08:10:01 AM all 68.71 0.00 1.37 0.08 0.11 29.73 08:10:01 AM 0 79.81 0.00 0.48 0.13 0.10 19.47 08:10:01 AM 1 82.19 0.00 3.07 0.02 0.10 14.62 08:10:01 AM 2 31.89 0.00 1.59 0.17 0.13 66.22 08:10:01 AM 3 80.93 0.00 0.32 0.00 0.10 18.65 Average: all 37.57 0.00 1.70 1.58 0.08 59.06 Average: 0 40.83 0.00 1.70 1.69 0.09 55.70 Average: 1 35.83 0.00 1.71 1.52 0.08 60.86 Average: 2 34.19 0.00 1.68 1.49 0.09 62.55 Average: 3 39.43 0.00 1.72 1.61 0.08 57.15