---> uname -a: Linux prd-centos8-docker-8c-8g-455.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 1070 27120 19 3699 30356 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:ec:b9 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.45/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86128sec preferred_lft 86128sec inet6 fe80::f816:3eff:fea3:ecb9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:da:6a:27:b1 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:daff:fe6a:27b1/64 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) 01/15/2026 _x86_64_ (8 CPU) 03:37:19 LINUX RESTART (8 CPU) 03:38:01 AM tps rtps wtps bread/s bwrtn/s 03:39:01 AM 211.13 14.48 196.65 3198.00 11330.84 03:40:01 AM 427.71 4.77 422.94 1164.95 14846.75 03:41:01 AM 244.74 3.08 241.66 530.84 44618.60 Average: 294.53 7.44 287.09 1631.32 23597.56 03:38:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:39:01 AM 29235984 31144668 3419728 10.47 2688 2224612 2008292 5.96 188860 2763060 151472 03:40:01 AM 27727040 30045844 4928672 15.09 2688 2624888 2359440 7.00 392040 4022180 184436 03:41:01 AM 27771096 31074012 4884616 14.96 2688 3596096 1532260 4.55 651776 3677264 133624 Average: 28244707 30754841 4411005 13.51 2688 2815199 1966664 5.84 410892 3487501 156511 03:38:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:39:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:39:01 AM eth0 207.13 176.49 2229.84 45.42 0.00 0.00 0.00 0.00 03:39:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 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 451.42 393.10 5694.47 56.01 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 664.32 526.83 7069.33 1369.05 0.00 0.00 0.00 0.00 03:41:01 AM docker0 23.55 35.43 1.26 309.27 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 440.94 365.47 4997.76 490.11 0.00 0.00 0.00 0.00 Average: docker0 7.85 11.81 0.42 103.08 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) 01/15/2026 _x86_64_ (8 CPU) 03:37:19 LINUX RESTART (8 CPU) 03:38:01 AM CPU %user %nice %system %iowait %steal %idle 03:39:01 AM all 12.83 0.00 1.13 0.64 0.06 85.35 03:39:01 AM 0 9.07 0.00 0.82 0.25 0.05 89.81 03:39:01 AM 1 14.79 0.00 0.90 1.15 0.05 83.10 03:39:01 AM 2 6.90 0.00 1.09 0.89 0.10 91.02 03:39:01 AM 3 7.84 0.00 0.67 0.43 0.05 91.01 03:39:01 AM 4 4.18 0.00 0.69 0.62 0.07 94.45 03:39:01 AM 5 36.54 0.00 3.27 0.60 0.07 59.52 03:39:01 AM 6 8.99 0.00 0.87 0.50 0.03 89.61 03:39:01 AM 7 14.28 0.00 0.70 0.67 0.07 84.28 03:40:01 AM all 27.97 0.00 1.65 1.16 0.09 69.13 03:40:01 AM 0 32.39 0.00 1.09 0.28 0.10 66.14 03:40:01 AM 1 27.75 0.00 1.49 1.02 0.08 69.65 03:40:01 AM 2 28.92 0.00 1.39 0.33 0.08 69.27 03:40:01 AM 3 38.25 0.00 1.52 1.26 0.10 58.87 03:40:01 AM 4 20.24 0.00 1.46 0.99 0.07 77.24 03:40:01 AM 5 36.51 0.00 2.28 1.46 0.10 59.65 03:40:01 AM 6 20.90 0.00 2.52 3.14 0.08 73.36 03:40:01 AM 7 18.77 0.00 1.48 0.79 0.08 78.88 03:41:01 AM all 15.63 0.00 2.88 1.38 0.20 79.91 03:41:01 AM 0 10.25 0.00 2.48 0.47 0.10 86.69 03:41:01 AM 1 17.71 0.00 3.17 1.85 0.07 77.21 03:41:01 AM 2 19.46 0.00 2.93 1.58 0.10 75.93 03:41:01 AM 3 16.83 0.00 2.87 1.33 0.08 78.88 03:41:01 AM 4 12.55 0.00 2.86 1.56 0.08 82.94 03:41:01 AM 5 17.28 0.00 3.52 1.32 1.02 76.86 03:41:01 AM 6 19.66 0.00 2.58 2.30 0.08 75.38 03:41:01 AM 7 11.28 0.00 2.64 0.64 0.05 85.39 Average: all 18.81 0.00 1.89 1.06 0.12 78.13 Average: 0 17.24 0.00 1.46 0.33 0.08 80.88 Average: 1 20.08 0.00 1.85 1.34 0.07 76.66 Average: 2 18.42 0.00 1.80 0.93 0.10 78.75 Average: 3 20.97 0.00 1.69 1.01 0.08 76.26 Average: 4 12.32 0.00 1.67 1.06 0.07 84.89 Average: 5 30.10 0.00 3.02 1.13 0.40 65.36 Average: 6 16.50 0.00 1.99 1.98 0.07 79.46 Average: 7 14.78 0.00 1.60 0.70 0.07 82.85