---> uname -a: Linux prd-centos8-docker-4c-4g-16772.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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 818 11630 19 3314 14595 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:a3:87:c7 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.26/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85914sec preferred_lft 85914sec inet6 fe80::f816:3eff:fea3:87c7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:76:c4:3d:c3 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::42:76ff:fec4:3dc3/64 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) 02/14/2026 _x86_64_ (4 CPU) 08:02:46 LINUX RESTART (4 CPU) 08:04:01 AM tps rtps wtps bread/s bwrtn/s 08:05:01 AM 227.64 20.05 207.59 3977.62 12668.24 08:06:01 AM 89.42 1.35 88.07 85.32 10347.28 08:07:01 AM 4.08 0.00 4.08 0.00 257.61 08:08:01 AM 64.73 3.36 61.37 647.54 15031.18 08:09:01 AM 35.50 0.10 35.40 1.33 1624.70 08:10:01 AM 17.97 1.22 16.76 1590.14 7044.54 Average: 73.23 4.35 68.89 1050.61 7829.45 08:04:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:05:01 AM 11968060 14092968 4173472 25.86 2688 2329072 1948644 11.34 229852 3533192 102244 08:06:01 AM 10876172 13193720 5265360 32.62 2688 2518756 2648536 15.41 262184 4580556 1724 08:07:01 AM 10600660 12924320 5540872 34.33 2688 2524604 2865716 16.67 263816 4852836 2824 08:08:01 AM 7404280 10200700 8737252 54.13 2688 2986444 12422964 72.27 380116 7848772 72 08:09:01 AM 12145996 14908352 3995536 24.75 2688 2952628 1358904 7.91 417692 3117440 136 08:10:01 AM 10597108 13660052 5544424 34.35 2688 3248956 2359252 13.72 467012 4601768 51868 Average: 10598713 13163352 5542819 34.34 2688 2760077 3934003 22.89 336779 4755761 26478 08:04:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 236.55 196.19 2437.89 37.99 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 228.70 163.86 2854.42 36.54 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:07:01 AM eth0 207.08 143.58 61.10 73.16 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 5.33 5.33 0.63 0.63 0.00 0.00 0.00 0.00 08:08:01 AM eth0 282.24 151.26 2839.28 26.52 0.00 0.00 0.00 0.00 08:08:01 AM docker0 0.12 0.22 0.01 0.02 0.00 0.00 0.00 0.00 08:08:01 AM vethfc626d8 0.12 0.35 0.01 0.03 0.00 0.00 0.00 0.00 08:08:01 AM br-68a9334dd55c 0.12 0.23 0.01 0.03 0.00 0.00 0.00 0.00 08:08:01 AM veth28d9bb6 0.00 0.22 0.00 0.02 0.00 0.00 0.00 0.00 08:08:01 AM vethefa204c 0.12 0.20 0.01 0.02 0.00 0.00 0.00 0.00 08:09:01 AM lo 12.04 12.04 26.50 26.50 0.00 0.00 0.00 0.00 08:09:01 AM eth0 7.76 6.55 5.30 3.68 0.00 0.00 0.00 0.00 08:09:01 AM docker0 0.10 0.12 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 157.11 119.32 3130.03 10.05 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 2.90 2.90 4.52 4.52 0.00 0.00 0.00 0.00 Average: eth0 186.57 130.12 1888.12 31.32 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 02/14/2026 _x86_64_ (4 CPU) 08:02:46 LINUX RESTART (4 CPU) 08:04:01 AM CPU %user %nice %system %iowait %steal %idle 08:05:01 AM all 44.99 0.00 2.40 1.33 0.08 51.20 08:05:01 AM 0 45.60 0.00 2.37 1.32 0.08 50.63 08:05:01 AM 1 48.76 0.00 1.37 0.72 0.08 49.07 08:05:01 AM 2 41.77 0.00 2.95 1.67 0.08 53.53 08:05:01 AM 3 43.82 0.00 2.93 1.61 0.08 51.56 08:06:01 AM all 54.34 0.00 1.80 0.51 0.09 43.26 08:06:01 AM 0 55.54 0.00 1.27 0.17 0.08 42.94 08:06:01 AM 1 54.45 0.00 1.45 0.18 0.08 43.83 08:06:01 AM 2 46.56 0.00 2.14 1.22 0.10 49.98 08:06:01 AM 3 60.83 0.00 2.36 0.45 0.08 36.28 08:07:01 AM all 21.90 0.00 1.60 0.03 0.07 76.40 08:07:01 AM 0 22.28 0.00 1.27 0.05 0.08 76.32 08:07:01 AM 1 20.69 0.00 2.15 0.03 0.08 77.04 08:07:01 AM 2 21.39 0.00 1.65 0.02 0.05 76.89 08:07:01 AM 3 23.26 0.00 1.30 0.00 0.07 75.37 08:08:01 AM all 43.16 0.00 3.14 0.80 0.08 52.82 08:08:01 AM 0 59.19 0.00 3.13 0.54 0.08 37.06 08:08:01 AM 1 48.89 0.00 3.94 0.13 0.08 46.95 08:08:01 AM 2 32.45 0.00 2.95 0.72 0.08 63.79 08:08:01 AM 3 32.06 0.00 2.54 1.80 0.08 63.52 08:09:01 AM all 22.59 0.00 1.19 0.10 0.08 76.04 08:09:01 AM 0 23.38 0.00 1.47 0.08 0.07 75.00 08:09:01 AM 1 21.01 0.00 0.95 0.20 0.10 77.73 08:09:01 AM 2 21.01 0.00 1.24 0.08 0.07 77.60 08:09:01 AM 3 24.94 0.00 1.10 0.05 0.07 73.84 08:10:01 AM all 69.67 0.00 1.26 0.18 0.10 28.80 08:10:01 AM 0 81.00 0.00 0.58 0.02 0.08 18.32 08:10:01 AM 1 38.51 0.00 1.45 0.57 0.12 59.35 08:10:01 AM 2 79.72 0.00 2.12 0.00 0.10 18.06 08:10:01 AM 3 79.41 0.00 0.87 0.13 0.08 19.51 Average: all 42.78 0.00 1.90 0.49 0.08 54.75 Average: 0 47.83 0.00 1.68 0.36 0.08 50.04 Average: 1 38.72 0.00 1.89 0.31 0.09 59.00 Average: 2 40.50 0.00 2.17 0.62 0.08 56.63 Average: 3 44.07 0.00 1.85 0.67 0.08 53.33