---> uname -a: Linux prd-centos8-docker-8c-8g-4975.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: 2799.996 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 1042 26433 19 4414 30380 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:c6:50:2e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.216/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85959sec preferred_lft 85959sec inet6 fe80::f816:3eff:fec6:502e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:64:8f:f0:67 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::42:64ff:fe8f:f067/64 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) 03/25/2026 _x86_64_ (8 CPU) 15:05:23 LINUX RESTART (8 CPU) 03:06:01 PM tps rtps wtps bread/s bwrtn/s 03:07:02 PM 205.95 14.71 191.24 3124.03 10620.09 03:08:01 PM 185.07 2.17 182.90 84.46 17706.69 03:09:01 PM 128.34 10.68 117.66 1980.54 29867.83 03:10:01 PM 191.55 8.20 183.36 4539.02 22248.40 03:11:01 PM 23.03 0.00 23.03 0.00 1507.90 03:12:01 PM 37.21 0.12 37.09 67.19 4142.76 Average: 128.37 5.99 122.38 1636.94 14339.79 03:06:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:07:02 PM 29156796 31085036 3498916 10.71 2688 2245480 1773312 5.26 187052 2850992 197972 03:08:01 PM 27879540 30090792 4776172 14.63 2688 2523900 2519732 7.48 204224 4087080 100 03:09:01 PM 25939052 29066140 6716660 20.57 2688 3422296 4382808 13.00 418516 5738428 60 03:10:01 PM 26071104 29952180 6584608 20.16 2688 4172148 2424488 7.19 803580 5216404 120 03:11:01 PM 25679440 29598104 6976272 21.36 2688 4209156 2751196 8.16 804236 5605140 32 03:12:01 PM 27039212 31069652 5616500 17.20 2688 4319420 1575720 4.68 869136 4181248 7400 Average: 26960857 30143651 5694855 17.44 2688 3482067 2571209 7.63 547791 4613215 34281 03:06:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:07:02 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:07:02 PM eth0 205.75 156.75 2239.46 45.03 0.00 0.00 0.00 0.00 03:07:02 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:08:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:08:01 PM eth0 504.90 368.06 4613.12 58.92 0.00 0.00 0.00 0.00 03:08:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:09:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:09:01 PM eth0 1213.70 334.56 7342.35 31.37 0.00 0.00 0.00 0.00 03:09:01 PM docker0 0.00 0.10 0.00 0.01 0.00 0.00 0.00 0.00 03:09:01 PM vethf9e4c9d 0.00 0.03 0.00 0.00 0.00 0.00 0.00 0.00 03:10:01 PM lo 12.96 12.96 1.36 1.36 0.00 0.00 0.00 0.00 03:10:01 PM eth0 235.80 177.19 1317.96 1172.72 0.00 0.00 0.00 0.00 03:10:01 PM docker0 4.82 5.85 0.65 0.68 0.00 0.00 0.00 0.00 03:11:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:11:01 PM eth0 245.27 186.95 707.62 57.61 0.00 0.00 0.00 0.00 03:11:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:12:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:12:01 PM eth0 237.93 189.77 222.92 842.72 0.00 0.00 0.00 0.00 03:12:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.17 2.17 0.23 0.23 0.00 0.00 0.00 0.00 Average: eth0 440.38 235.17 2735.37 368.92 0.00 0.00 0.00 0.00 Average: docker0 0.80 0.99 0.11 0.12 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) 03/25/2026 _x86_64_ (8 CPU) 15:05:23 LINUX RESTART (8 CPU) 03:06:01 PM CPU %user %nice %system %iowait %steal %idle 03:07:02 PM all 13.73 0.00 1.40 0.73 0.06 84.09 03:07:02 PM 0 7.58 0.00 0.87 0.60 0.05 90.90 03:07:02 PM 1 9.40 0.00 1.06 1.46 0.07 88.03 03:07:02 PM 2 13.91 0.00 1.62 1.25 0.07 83.15 03:07:02 PM 3 7.98 0.00 1.06 0.44 0.05 90.48 03:07:02 PM 4 17.64 0.00 1.71 1.09 0.07 79.50 03:07:02 PM 5 21.69 0.00 2.27 0.43 0.07 75.54 03:07:02 PM 6 17.06 0.00 1.50 0.35 0.05 81.03 03:07:02 PM 7 14.57 0.00 1.09 0.18 0.05 84.10 03:08:01 PM all 16.09 0.00 0.92 0.79 0.06 82.14 03:08:01 PM 0 28.74 0.00 0.29 0.07 0.07 70.83 03:08:01 PM 1 7.81 0.00 0.88 1.97 0.05 89.28 03:08:01 PM 2 5.83 0.00 0.97 0.56 0.07 92.57 03:08:01 PM 3 7.20 0.00 1.09 2.53 0.05 89.13 03:08:01 PM 4 6.43 0.00 0.65 0.07 0.05 92.81 03:08:01 PM 5 55.12 0.00 1.56 0.41 0.12 42.79 03:08:01 PM 6 11.09 0.00 0.65 0.54 0.05 87.67 03:08:01 PM 7 6.51 0.00 1.24 0.17 0.05 92.03 03:09:01 PM all 32.31 0.26 2.39 0.68 0.11 64.24 03:09:01 PM 0 52.92 0.00 2.45 0.29 0.13 44.21 03:09:01 PM 1 37.77 2.00 2.46 1.06 0.13 56.58 03:09:01 PM 2 26.62 0.00 2.29 0.05 0.10 70.94 03:09:01 PM 3 28.92 0.00 2.26 1.41 0.10 67.31 03:09:01 PM 4 30.28 0.00 1.75 0.29 0.10 67.58 03:09:01 PM 5 39.02 0.00 2.75 0.57 0.13 57.53 03:09:01 PM 6 11.34 0.07 2.83 0.76 0.08 84.93 03:09:01 PM 7 31.63 0.00 2.35 1.04 0.10 64.88 03:10:01 PM all 20.33 0.07 2.00 0.60 0.08 76.92 03:10:01 PM 0 15.31 0.32 2.35 1.86 0.07 80.09 03:10:01 PM 1 16.38 0.00 2.18 0.94 0.08 80.42 03:10:01 PM 2 37.86 0.00 1.71 1.31 0.08 59.05 03:10:01 PM 3 20.28 0.00 2.11 0.07 0.08 77.46 03:10:01 PM 4 16.83 0.00 2.08 0.27 0.07 80.76 03:10:01 PM 5 18.63 0.02 1.92 0.15 0.08 79.20 03:10:01 PM 6 20.56 0.15 1.67 0.10 0.07 77.44 03:10:01 PM 7 16.80 0.05 2.01 0.12 0.08 80.94 03:11:01 PM all 10.07 0.00 0.34 0.04 0.04 89.52 03:11:01 PM 0 3.59 0.00 0.08 0.00 0.03 96.30 03:11:01 PM 1 1.42 0.00 0.25 0.08 0.03 98.21 03:11:01 PM 2 6.54 0.00 0.42 0.03 0.03 92.97 03:11:01 PM 3 0.60 0.00 0.55 0.00 0.02 98.83 03:11:01 PM 4 5.09 0.00 0.12 0.18 0.03 94.58 03:11:01 PM 5 14.07 0.00 0.22 0.00 0.03 85.68 03:11:01 PM 6 42.38 0.00 0.85 0.00 0.08 56.69 03:11:01 PM 7 6.81 0.00 0.20 0.05 0.02 92.93 03:12:01 PM all 12.87 0.00 0.78 0.09 0.04 86.22 03:12:01 PM 0 6.51 0.00 0.70 0.05 0.03 92.71 03:12:01 PM 1 11.59 0.00 0.77 0.17 0.03 87.44 03:12:01 PM 2 7.85 0.00 0.80 0.13 0.03 91.18 03:12:01 PM 3 5.65 0.00 0.74 0.07 0.03 93.52 03:12:01 PM 4 10.28 0.00 0.27 0.02 0.03 89.40 03:12:01 PM 5 4.81 0.00 0.64 0.08 0.03 94.44 03:12:01 PM 6 51.32 0.00 1.60 0.17 0.08 46.83 03:12:01 PM 7 4.93 0.00 0.75 0.00 0.02 94.31 Average: all 17.56 0.05 1.30 0.49 0.06 80.54 Average: 0 19.05 0.05 1.12 0.48 0.06 79.23 Average: 1 14.05 0.33 1.26 0.94 0.07 83.34 Average: 2 16.45 0.00 1.30 0.56 0.06 81.63 Average: 3 11.76 0.00 1.30 0.75 0.06 86.14 Average: 4 14.43 0.00 1.09 0.32 0.06 84.10 Average: 5 25.46 0.00 1.56 0.27 0.08 72.63 Average: 6 25.70 0.04 1.52 0.32 0.07 72.36 Average: 7 13.54 0.01 1.27 0.26 0.05 84.87