---> uname -a: Linux prd-centos8-docker-4c-4g-916.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 12G 69G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 1020 10646 19 4095 14393 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:ec:bf:1f brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.236/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86059sec preferred_lft 86059sec inet6 fe80::f816:3eff:feec:bf1f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:13:3d:55:ee 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::42:13ff:fe3d:55ee/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) 01/17/2026 _x86_64_ (4 CPU) 03:29:27 LINUX RESTART (4 CPU) 03:30:00 AM tps rtps wtps bread/s bwrtn/s 03:30:01 AM 8.55 3.95 4.61 126.32 5284.21 03:31:01 AM 287.32 7.16 280.16 1037.25 7721.69 03:32:01 AM 280.57 5.21 275.36 885.04 28771.64 03:33:01 AM 1014.55 60.76 953.78 921.69 36181.59 03:34:01 AM 147.08 73.02 74.05 4183.84 4217.40 03:35:01 AM 151.59 4.63 146.96 2298.95 8567.14 Average: 374.38 30.03 344.36 1856.50 17033.09 03:30:00 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:30:01 AM 13753260 15219284 2388272 14.80 2688 1696968 1049980 6.11 122592 1968624 25204 03:31:01 AM 13048608 14901412 3092924 19.16 2688 2062540 1424924 8.29 153436 2565392 239348 03:32:01 AM 9994012 12433532 6147520 38.09 2688 2632816 4349088 25.30 289072 5395440 1356 03:33:01 AM 10630200 14045840 5511332 34.14 2688 3411552 1715184 9.98 415384 4208396 78212 03:34:01 AM 10914312 14532580 5227220 32.38 2688 3609272 1355848 7.89 462940 3876688 68816 03:35:01 AM 10896688 14729484 5244844 32.49 2688 3819036 1169392 6.80 704744 3650496 23280 Average: 11539513 14310355 4602019 28.51 2688 2872031 1844069 10.73 358028 3610839 72703 03:30:00 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:01 AM eth0 1463.16 999.34 4585.09 222.58 0.00 0.00 0.00 0.00 03:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:31:01 AM eth0 121.08 89.90 1436.76 31.96 0.00 0.00 0.00 0.00 03:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:32:01 AM lo 3.30 3.30 1.55 1.55 0.00 0.00 0.00 0.00 03:32:01 AM eth0 467.73 312.08 5192.14 38.10 0.00 0.00 0.00 0.00 03:32:01 AM docker0 2.02 1.70 1.30 0.30 0.00 0.00 0.00 0.00 03:32:01 AM vetha288433 0.10 0.35 0.01 0.03 0.00 0.00 0.00 0.00 03:32:01 AM vethbf93616 1.92 1.62 1.32 0.29 0.00 0.00 0.00 0.00 03:33:01 AM lo 2.78 2.78 2.95 2.95 0.00 0.00 0.00 0.00 03:33:01 AM eth0 200.60 144.52 1862.37 26.86 0.00 0.00 0.00 0.00 03:33:01 AM docker0 1.22 1.37 2.78 0.14 0.00 0.00 0.00 0.00 03:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 AM eth0 72.69 51.19 684.40 7.30 0.00 0.00 0.00 0.00 03:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:35:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:35:01 AM eth0 99.65 79.77 2213.83 31.77 0.00 0.00 0.00 0.00 03:35:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.21 1.21 0.90 0.90 0.00 0.00 0.00 0.00 Average: eth0 198.76 139.85 2289.58 28.18 0.00 0.00 0.00 0.00 Average: docker0 0.64 0.61 0.81 0.09 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) 01/17/2026 _x86_64_ (4 CPU) 03:29:27 LINUX RESTART (4 CPU) 03:30:00 AM CPU %user %nice %system %iowait %steal %idle 03:30:01 AM all 33.22 0.00 6.45 0.50 0.33 59.50 03:30:01 AM 0 39.33 0.00 2.67 0.00 0.00 58.00 03:30:01 AM 1 36.67 0.00 8.00 0.00 0.00 55.33 03:30:01 AM 2 34.21 0.00 6.58 1.97 0.66 56.58 03:30:01 AM 3 22.88 0.00 8.50 0.00 0.65 67.97 03:31:01 AM all 23.38 0.00 2.25 1.14 0.08 73.15 03:31:01 AM 0 23.10 0.00 2.00 1.00 0.08 73.81 03:31:01 AM 1 22.55 0.00 2.86 2.27 0.08 72.23 03:31:01 AM 2 35.66 0.00 2.88 0.94 0.08 60.45 03:31:01 AM 3 12.21 0.00 1.25 0.33 0.07 86.13 03:32:01 AM all 34.60 0.09 3.32 2.87 0.11 59.00 03:32:01 AM 0 35.99 0.15 3.25 1.14 0.12 59.35 03:32:01 AM 1 34.40 0.02 4.12 5.69 0.10 55.67 03:32:01 AM 2 29.62 0.05 2.85 2.15 0.12 65.21 03:32:01 AM 3 38.38 0.15 3.07 2.52 0.10 55.78 03:33:01 AM all 33.48 0.00 10.19 7.42 0.13 48.79 03:33:01 AM 0 30.04 0.00 9.16 9.09 0.14 51.58 03:33:01 AM 1 39.59 0.00 9.66 7.78 0.14 42.83 03:33:01 AM 2 37.04 0.00 11.37 6.50 0.12 44.97 03:33:01 AM 3 27.25 0.00 10.57 6.29 0.12 55.78 03:34:01 AM all 44.89 0.00 1.92 0.96 0.11 52.12 03:34:01 AM 0 34.67 0.00 1.94 1.35 0.10 61.94 03:34:01 AM 1 53.44 0.00 2.07 1.07 0.12 43.30 03:34:01 AM 2 59.83 0.00 1.96 0.42 0.12 37.68 03:34:01 AM 3 31.63 0.00 1.69 0.99 0.12 65.58 03:35:01 AM all 36.39 0.00 1.87 0.87 0.08 60.79 03:35:01 AM 0 41.70 0.00 1.77 0.17 0.08 56.29 03:35:01 AM 1 40.86 0.00 1.64 0.37 0.08 57.05 03:35:01 AM 2 31.40 0.00 1.97 2.17 0.08 64.37 03:35:01 AM 3 31.57 0.00 2.11 0.77 0.07 65.49 Average: all 34.54 0.02 3.90 2.62 0.10 58.81 Average: 0 33.14 0.03 3.60 2.52 0.10 60.60 Average: 1 38.16 0.00 4.07 3.41 0.10 54.25 Average: 2 38.70 0.01 4.19 2.42 0.11 54.57 Average: 3 28.18 0.03 3.74 2.15 0.10 65.80