---> uname -a: Linux prd-centos8-docker-8c-8g-1759.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 1074 26519 19 4296 30350 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:8a:2e:b1 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.253/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86134sec preferred_lft 86134sec inet6 fe80::f816:3eff:fe8a:2eb1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d6:f0:31:4a 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:d6ff:fef0:314a/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) 01/21/2026 _x86_64_ (8 CPU) 02:28:20 LINUX RESTART (8 CPU) 02:29:01 AM tps rtps wtps bread/s bwrtn/s 02:30:01 AM 210.73 16.63 194.10 3278.51 10593.84 02:31:01 AM 195.30 4.02 191.29 1126.56 16959.38 02:32:01 AM 140.12 15.11 125.01 5461.11 28822.26 Average: 182.05 11.92 170.13 3288.73 18791.82 02:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:01 AM 29045692 30940872 3610020 11.05 2688 2211564 1648832 4.89 188084 2956932 158964 02:31:01 AM 26753620 29758104 5902092 18.07 2688 3309740 2794560 8.29 309824 5078112 774648 02:32:01 AM 27085020 31011008 5570692 17.06 2688 4215904 1591760 4.72 749644 4256052 739216 Average: 27628111 30569995 5027601 15.40 2688 3245736 2011717 5.97 415851 4097032 557609 02:29:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:30:01 AM eth0 190.32 150.22 2141.92 42.42 0.00 0.00 0.00 0.00 02:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:31:01 AM eth0 1685.32 661.15 11352.60 62.47 0.00 0.00 0.00 0.00 02:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 AM lo 12.00 12.00 1.27 1.27 0.00 0.00 0.00 0.00 02:32:01 AM eth0 127.12 106.55 1374.14 25.10 0.00 0.00 0.00 0.00 02:32:01 AM docker0 4.27 5.35 0.61 0.62 0.00 0.00 0.00 0.00 Average: lo 4.00 4.00 0.42 0.42 0.00 0.00 0.00 0.00 Average: eth0 667.59 305.97 4956.22 43.33 0.00 0.00 0.00 0.00 Average: docker0 1.42 1.78 0.20 0.21 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) 01/21/2026 _x86_64_ (8 CPU) 02:28:20 LINUX RESTART (8 CPU) 02:29:01 AM CPU %user %nice %system %iowait %steal %idle 02:30:01 AM all 14.37 0.00 1.34 0.52 0.06 83.71 02:30:01 AM 0 7.99 0.00 0.79 0.33 0.07 90.83 02:30:01 AM 1 20.40 0.00 1.46 0.70 0.08 77.35 02:30:01 AM 2 11.10 0.00 0.85 0.27 0.07 87.71 02:30:01 AM 3 20.57 0.00 1.35 0.50 0.07 77.50 02:30:01 AM 4 7.65 0.00 1.17 0.68 0.05 90.45 02:30:01 AM 5 21.33 0.00 2.25 0.30 0.07 76.05 02:30:01 AM 6 14.39 0.00 1.42 0.37 0.05 83.77 02:30:01 AM 7 11.54 0.00 1.42 0.99 0.05 86.00 02:31:01 AM all 29.26 0.00 2.05 0.58 0.09 68.01 02:31:01 AM 0 36.40 0.00 1.29 0.03 0.10 62.18 02:31:01 AM 1 29.66 0.00 2.05 0.32 0.10 67.87 02:31:01 AM 2 39.20 0.00 3.06 0.72 0.10 56.91 02:31:01 AM 3 26.36 0.00 2.03 0.77 0.08 70.75 02:31:01 AM 4 26.51 0.00 1.77 0.17 0.08 71.47 02:31:01 AM 5 31.67 0.00 2.00 0.82 0.08 65.42 02:31:01 AM 6 23.94 0.00 1.83 0.20 0.08 73.94 02:31:01 AM 7 20.35 0.00 2.40 1.61 0.08 75.55 02:32:01 AM all 22.17 0.27 3.24 0.57 0.08 73.66 02:32:01 AM 0 19.18 1.66 3.46 0.47 0.08 75.15 02:32:01 AM 1 19.82 0.02 3.38 0.89 0.08 75.81 02:32:01 AM 2 22.62 0.03 3.78 0.54 0.08 72.95 02:32:01 AM 3 21.69 0.00 2.58 1.01 0.08 74.64 02:32:01 AM 4 29.59 0.00 3.65 0.20 0.08 66.48 02:32:01 AM 5 27.67 0.00 2.48 0.65 0.08 69.11 02:32:01 AM 6 11.64 0.39 3.11 0.64 0.08 84.14 02:32:01 AM 7 25.14 0.08 3.48 0.20 0.08 71.01 Average: all 21.92 0.09 2.21 0.56 0.08 75.14 Average: 0 21.17 0.55 1.84 0.28 0.08 76.07 Average: 1 23.29 0.01 2.29 0.64 0.09 73.68 Average: 2 24.27 0.01 2.56 0.51 0.08 72.56 Average: 3 22.87 0.00 1.99 0.76 0.08 74.30 Average: 4 21.22 0.00 2.20 0.35 0.07 76.16 Average: 5 26.88 0.00 2.25 0.59 0.08 70.21 Average: 6 16.65 0.13 2.12 0.40 0.07 80.62 Average: 7 19.00 0.03 2.43 0.93 0.07 77.53