---> uname -a: Linux prd-centos8-docker-4c-4g-4228.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: 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 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 812 11891 19 3059 14604 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:bd:4c:93 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.94/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85967sec preferred_lft 85967sec inet6 fe80::f816:3eff:febd:4c93/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:eb:fb:c2:a9 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:ebff:fefb:c2a9/64 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) 01/09/2026 _x86_64_ (4 CPU) 09:37:29 LINUX RESTART (4 CPU) 09:38:03 AM tps rtps wtps bread/s bwrtn/s 09:39:01 AM 230.68 6.15 224.53 949.19 8312.74 09:40:01 AM 214.90 21.27 193.64 4061.02 13251.97 09:41:01 AM 73.33 0.05 73.28 1.07 8211.15 09:42:01 AM 3.55 0.00 3.55 0.00 275.05 09:43:01 AM 63.63 3.27 60.36 563.41 15204.50 09:44:01 AM 27.97 0.12 27.85 2.40 3692.71 Average: 101.62 5.14 96.48 929.46 8156.68 09:38:03 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:39:01 AM 13257148 15065348 2884384 17.87 2688 2021800 1133084 6.59 150076 2374260 183400 09:40:01 AM 11791360 13924532 4350172 26.95 2688 2337108 2046236 11.90 232912 3705472 42208 09:41:01 AM 10043792 12367712 6097740 37.78 2688 2524796 3530672 20.54 262084 5407920 2548 09:42:01 AM 9895092 12224916 6246440 38.70 2688 2530472 3593952 20.91 263736 5554420 2360 09:43:01 AM 6584764 9386204 9556768 59.21 2688 2991264 13095300 76.18 378808 8668012 80 09:44:01 AM 10447956 13218492 5693576 35.27 2688 2960504 2945784 17.14 409180 4816204 11232 Average: 10336685 12697867 5804847 35.96 2688 2560991 4390838 25.54 282799 5087715 40305 09:38:03 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:39:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:39:01 AM eth0 150.17 106.55 1246.31 25.24 0.00 0.00 0.00 0.00 09:39:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 AM eth0 227.89 196.19 2262.09 32.23 0.00 0.00 0.00 0.00 09:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:41:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:41:01 AM eth0 227.71 161.76 2843.63 36.25 0.00 0.00 0.00 0.00 09:41:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:42:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:42:01 AM eth0 20.03 18.98 8.61 21.50 0.00 0.00 0.00 0.00 09:42:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:43:01 AM lo 4.53 4.53 0.56 0.56 0.00 0.00 0.00 0.00 09:43:01 AM eth0 253.97 136.29 2832.83 16.58 0.00 0.00 0.00 0.00 09:43:01 AM docker0 0.12 0.22 0.01 0.02 0.00 0.00 0.00 0.00 09:43:01 AM vethd7ae506 0.12 0.35 0.01 0.03 0.00 0.00 0.00 0.00 09:43:01 AM br-7e285b2744e6 0.13 0.25 0.01 0.03 0.00 0.00 0.00 0.00 09:43:01 AM veth1c82303 0.00 0.22 0.00 0.02 0.00 0.00 0.00 0.00 09:43:01 AM vetha0f6b18 0.13 0.18 0.02 0.02 0.00 0.00 0.00 0.00 09:44:01 AM lo 12.46 12.46 26.50 26.50 0.00 0.00 0.00 0.00 09:44:01 AM eth0 3.33 3.44 1.03 1.40 0.00 0.00 0.00 0.00 09:44:01 AM docker0 0.10 0.12 0.00 0.01 0.00 0.00 0.00 0.00 09:44:01 AM vethd7ae506 0.10 0.15 0.01 0.01 0.00 0.00 0.00 0.00 Average: lo 2.85 2.85 4.54 4.54 0.00 0.00 0.00 0.00 Average: eth0 147.14 103.84 1533.73 22.18 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 Average: vethd7ae506 0.04 0.08 0.00 0.01 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) 01/09/2026 _x86_64_ (4 CPU) 09:37:29 LINUX RESTART (4 CPU) 09:38:03 AM CPU %user %nice %system %iowait %steal %idle 09:39:01 AM all 19.64 0.00 2.16 1.13 0.08 76.98 09:39:01 AM 0 13.28 0.00 1.50 0.50 0.09 84.62 09:39:01 AM 1 24.47 0.00 3.38 1.89 0.10 70.16 09:39:01 AM 2 22.87 0.00 2.11 0.78 0.07 74.17 09:39:01 AM 3 17.96 0.00 1.64 1.37 0.07 78.96 09:40:01 AM all 49.83 0.00 3.06 1.09 0.12 45.91 09:40:01 AM 0 53.48 0.00 3.46 1.19 0.12 41.75 09:40:01 AM 1 47.41 0.00 3.21 1.27 0.13 47.98 09:40:01 AM 2 51.12 0.00 3.33 1.34 0.12 44.10 09:40:01 AM 3 47.29 0.00 2.22 0.57 0.12 49.80 09:41:01 AM all 51.05 0.00 1.70 0.36 0.10 46.80 09:41:01 AM 0 55.29 0.00 1.55 0.33 0.10 42.72 09:41:01 AM 1 47.01 0.00 2.39 0.43 0.12 50.05 09:41:01 AM 2 54.83 0.00 1.22 0.25 0.10 43.60 09:41:01 AM 3 47.04 0.00 1.62 0.42 0.10 50.82 09:42:01 AM all 19.47 0.00 0.41 0.01 0.06 80.04 09:42:01 AM 0 13.84 0.00 0.42 0.00 0.07 85.68 09:42:01 AM 1 12.75 0.00 0.35 0.02 0.07 86.82 09:42:01 AM 2 33.42 0.00 0.63 0.02 0.07 65.86 09:42:01 AM 3 17.86 0.00 0.25 0.02 0.05 81.82 09:43:01 AM all 43.24 0.00 3.38 0.63 0.12 52.64 09:43:01 AM 0 30.87 0.00 2.85 0.59 0.12 65.57 09:43:01 AM 1 63.02 0.00 4.08 0.42 0.12 32.36 09:43:01 AM 2 41.28 0.00 3.33 1.07 0.12 54.20 09:43:01 AM 3 37.78 0.00 3.24 0.44 0.12 58.42 09:44:01 AM all 22.76 0.00 1.59 0.23 0.08 75.33 09:44:01 AM 0 23.11 0.00 1.85 0.07 0.08 74.89 09:44:01 AM 1 21.73 0.00 1.22 0.53 0.08 76.43 09:44:01 AM 2 22.56 0.00 1.15 0.33 0.08 75.87 09:44:01 AM 3 23.63 0.00 2.14 0.00 0.08 74.15 Average: all 34.41 0.00 2.05 0.57 0.10 62.88 Average: 0 31.75 0.00 1.94 0.45 0.10 65.76 Average: 1 36.11 0.00 2.43 0.75 0.10 60.60 Average: 2 37.77 0.00 1.96 0.63 0.09 59.55 Average: 3 32.00 0.00 1.85 0.46 0.09 65.60