---> uname -a: Linux prd-centos8-docker-8c-8g-1344.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): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 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): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1059 27138 19 3692 30367 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:32:09:dd brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.247/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86115sec preferred_lft 86115sec inet6 fe80::f816:3eff:fe32:9dd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:57:9e:e0:c7 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::42:57ff:fe9e:e0c7/64 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) 01/19/2026 _x86_64_ (8 CPU) 03:37:59 LINUX RESTART (8 CPU) 03:39:01 AM tps rtps wtps bread/s bwrtn/s 03:40:01 AM 379.22 14.76 364.46 3204.27 13636.54 03:41:01 AM 285.49 6.11 279.37 1201.60 12179.54 03:42:01 AM 187.59 2.17 185.42 442.52 42818.53 Average: 284.10 7.68 276.42 1616.13 22878.20 03:39:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:40:01 AM 28769104 30772824 3886608 11.90 2688 2315996 1815476 5.39 200504 3202188 163412 03:41:01 AM 27440084 29893704 5215628 15.97 2688 2757772 2453352 7.28 412840 4284528 275588 03:42:01 AM 27783264 31088176 4872448 14.92 2688 3597300 1481408 4.40 652464 3660396 150824 Average: 27997484 30584901 4658228 14.26 2688 2890356 1916745 5.69 421936 3715704 196608 03:39:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 AM eth0 315.58 269.43 3076.24 62.92 0.00 0.00 0.00 0.00 03:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM eth0 474.23 383.46 6413.25 50.89 0.00 0.00 0.00 0.00 03:41:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:42:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:42:01 AM eth0 470.79 382.54 4873.83 1838.93 0.00 0.00 0.00 0.00 03:42:01 AM docker0 12.91 18.91 0.72 308.11 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 420.20 345.14 4787.77 650.91 0.00 0.00 0.00 0.00 Average: docker0 4.30 6.30 0.24 102.70 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) 01/19/2026 _x86_64_ (8 CPU) 03:37:59 LINUX RESTART (8 CPU) 03:39:01 AM CPU %user %nice %system %iowait %steal %idle 03:40:01 AM all 16.68 0.00 1.54 1.32 0.09 80.37 03:40:01 AM 0 11.67 0.00 1.91 1.44 0.10 84.88 03:40:01 AM 1 14.92 0.00 1.66 1.41 0.08 81.93 03:40:01 AM 2 16.32 0.00 1.57 1.67 0.10 80.33 03:40:01 AM 3 26.39 0.00 1.94 1.45 0.10 70.12 03:40:01 AM 4 13.51 0.00 1.40 0.84 0.08 84.16 03:40:01 AM 5 14.45 0.00 1.76 2.63 0.10 81.06 03:40:01 AM 6 13.03 0.00 0.97 0.69 0.07 85.24 03:40:01 AM 7 23.14 0.00 1.09 0.43 0.08 75.25 03:41:01 AM all 28.36 0.00 1.74 1.02 0.11 68.77 03:41:01 AM 0 34.13 0.00 1.17 0.30 0.10 64.29 03:41:01 AM 1 21.54 0.00 1.70 0.86 0.12 75.79 03:41:01 AM 2 28.79 0.00 1.98 1.31 0.12 67.80 03:41:01 AM 3 26.30 0.00 2.45 1.82 0.12 69.31 03:41:01 AM 4 32.95 0.00 2.13 1.81 0.10 63.01 03:41:01 AM 5 31.27 0.00 1.56 0.97 0.10 66.10 03:41:01 AM 6 34.18 0.00 1.26 0.17 0.12 64.28 03:41:01 AM 7 17.65 0.00 1.70 0.89 0.10 79.66 03:42:01 AM all 14.19 0.00 3.21 1.61 0.09 80.90 03:42:01 AM 0 16.88 0.00 2.60 0.84 0.10 79.58 03:42:01 AM 1 12.54 0.00 3.43 2.09 0.08 81.85 03:42:01 AM 2 9.77 0.00 3.21 4.26 0.10 82.65 03:42:01 AM 3 17.50 0.00 3.37 0.93 0.08 78.12 03:42:01 AM 4 12.44 0.00 4.10 1.58 0.10 81.78 03:42:01 AM 5 15.05 0.00 3.08 0.32 0.08 81.47 03:42:01 AM 6 19.26 0.00 2.89 1.48 0.10 76.26 03:42:01 AM 7 10.06 0.00 2.98 1.38 0.08 85.50 Average: all 19.74 0.00 2.16 1.31 0.10 76.68 Average: 0 20.89 0.00 1.89 0.86 0.10 76.25 Average: 1 16.33 0.00 2.26 1.45 0.10 79.86 Average: 2 18.30 0.00 2.26 2.41 0.11 76.93 Average: 3 23.41 0.00 2.59 1.40 0.10 72.51 Average: 4 19.63 0.00 2.54 1.41 0.10 76.32 Average: 5 20.26 0.00 2.13 1.31 0.10 76.20 Average: 6 22.15 0.00 1.70 0.78 0.09 75.27 Average: 7 16.97 0.00 1.92 0.90 0.09 80.13