---> uname -a: Linux prd-centos8-docker-8c-8g-1320.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 1076 26521 19 4292 30348 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:c0:a6:16 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.182/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86140sec preferred_lft 86140sec inet6 fe80::f816:3eff:fec0:a616/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b6:96:5a:da 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:b6ff:fe96:5ada/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) 03/12/2026 _x86_64_ (8 CPU) 02:28:18 LINUX RESTART (8 CPU) 02:29:01 AM tps rtps wtps bread/s bwrtn/s 02:30:01 AM 177.77 14.36 163.41 3091.62 10039.84 02:31:01 AM 209.15 6.13 203.02 1196.67 15735.32 02:32:01 AM 144.32 15.79 128.52 5500.97 30965.46 Average: 177.08 12.10 164.98 3263.09 18914.03 02:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:01 AM 29254412 31104720 3401300 10.42 2688 2168160 1796620 5.33 180532 2761740 115792 02:31:01 AM 26917628 29598604 5738084 17.57 2688 2989940 2756636 8.18 306448 4929624 491404 02:32:01 AM 27181656 31098184 5474056 16.76 2688 4206716 1479308 4.39 743816 4167232 698136 Average: 27784565 30600503 4871147 14.92 2688 3121605 2010855 5.97 410265 3952865 435111 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 154.01 114.08 1520.40 37.12 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 1627.31 610.15 11958.99 64.71 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 11.86 11.86 1.26 1.26 0.00 0.00 0.00 0.00 02:32:01 AM eth0 152.30 121.16 1381.65 35.90 0.00 0.00 0.00 0.00 02:32:01 AM docker0 4.28 5.43 0.61 0.63 0.00 0.00 0.00 0.00 Average: lo 3.95 3.95 0.42 0.42 0.00 0.00 0.00 0.00 Average: eth0 644.57 281.81 4953.87 45.91 0.00 0.00 0.00 0.00 Average: docker0 1.43 1.81 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) 03/12/2026 _x86_64_ (8 CPU) 02:28:18 LINUX RESTART (8 CPU) 02:29:01 AM CPU %user %nice %system %iowait %steal %idle 02:30:01 AM all 11.88 0.00 1.22 0.48 0.07 86.35 02:30:01 AM 0 5.19 0.00 1.23 0.80 0.08 92.70 02:30:01 AM 1 5.46 0.00 1.09 0.55 0.07 92.83 02:30:01 AM 2 8.61 0.00 0.98 0.30 0.07 90.04 02:30:01 AM 3 33.43 0.00 3.14 0.72 0.08 62.63 02:30:01 AM 4 9.29 0.00 1.52 0.89 0.07 88.23 02:30:01 AM 5 11.31 0.00 0.52 0.08 0.05 88.04 02:30:01 AM 6 10.39 0.00 0.55 0.07 0.07 88.93 02:30:01 AM 7 11.38 0.00 0.74 0.43 0.07 87.39 02:31:01 AM all 28.14 0.00 1.59 0.56 0.08 69.62 02:31:01 AM 0 23.44 0.00 1.54 1.19 0.08 73.75 02:31:01 AM 1 29.06 0.00 1.89 0.49 0.08 68.47 02:31:01 AM 2 31.88 0.00 2.18 0.94 0.08 64.92 02:31:01 AM 3 12.97 0.00 1.56 0.20 0.10 85.16 02:31:01 AM 4 28.55 0.00 1.59 0.55 0.08 69.22 02:31:01 AM 5 36.11 0.00 1.66 0.90 0.08 61.24 02:31:01 AM 6 41.61 0.00 1.07 0.20 0.07 57.05 02:31:01 AM 7 21.47 0.00 1.24 0.02 0.07 77.21 02:32:01 AM all 22.18 0.28 3.13 0.62 0.08 73.70 02:32:01 AM 0 13.82 0.39 3.46 1.16 0.08 81.10 02:32:01 AM 1 33.31 0.02 4.99 1.14 0.10 60.44 02:32:01 AM 2 18.70 0.03 2.70 0.35 0.08 78.12 02:32:01 AM 3 31.95 0.02 3.07 0.42 0.07 64.47 02:32:01 AM 4 20.41 0.02 3.41 0.69 0.07 75.41 02:32:01 AM 5 20.21 1.75 2.60 0.47 0.07 74.90 02:32:01 AM 6 20.70 0.00 2.45 0.45 0.10 76.29 02:32:01 AM 7 18.33 0.02 2.35 0.30 0.10 78.90 Average: all 20.72 0.09 1.98 0.55 0.08 76.57 Average: 0 14.13 0.13 2.08 1.05 0.08 82.53 Average: 1 22.59 0.01 2.65 0.73 0.08 73.95 Average: 2 19.71 0.01 1.95 0.53 0.08 77.71 Average: 3 26.13 0.01 2.59 0.45 0.08 70.74 Average: 4 19.41 0.01 2.17 0.71 0.07 77.63 Average: 5 22.53 0.58 1.59 0.49 0.07 74.75 Average: 6 24.23 0.00 1.36 0.24 0.08 74.10 Average: 7 17.05 0.01 1.44 0.25 0.08 81.17