---> uname -a: Linux prd-centos8-docker-8c-8g-1544.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 1060 26537 19 4292 30364 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:90:a6:a3 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.205/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86128sec preferred_lft 86128sec inet6 fe80::f816:3eff:fe90:a6a3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:70:7d:8e:dc 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::42:70ff:fe7d:8edc/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) 03/13/2026 _x86_64_ (8 CPU) 02:28:16 LINUX RESTART (8 CPU) 02:29:02 AM tps rtps wtps bread/s bwrtn/s 02:30:01 AM 200.97 16.86 184.11 3227.52 10047.00 02:31:01 AM 190.52 4.03 186.49 1112.30 16857.90 02:32:01 AM 139.70 15.01 124.69 5459.54 28698.18 Average: 176.93 11.94 164.99 3266.79 18582.33 02:29:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:01 AM 29071804 30966148 3583900 10.97 2688 2211320 1643352 4.88 187032 2933544 162736 02:31:01 AM 27092272 29757304 5563432 17.04 2688 2974428 2629940 7.80 305336 4755764 443324 02:32:01 AM 27132108 31041100 5523596 16.91 2688 4200236 1532616 4.55 743288 4219464 716264 Average: 27765395 30588184 4890309 14.98 2688 3128661 1935303 5.74 411885 3969591 440775 02:29:02 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 206.12 162.64 2177.68 44.72 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 1400.68 526.51 11030.68 51.69 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 11.88 11.88 1.26 1.26 0.00 0.00 0.00 0.00 02:32:01 AM eth0 174.53 115.56 1644.50 27.56 0.00 0.00 0.00 0.00 02:32:01 AM docker0 4.30 5.45 0.61 0.63 0.00 0.00 0.00 0.00 Average: lo 3.98 3.98 0.42 0.42 0.00 0.00 0.00 0.00 Average: eth0 595.92 268.82 4966.26 41.30 0.00 0.00 0.00 0.00 Average: docker0 1.44 1.83 0.21 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) 03/13/2026 _x86_64_ (8 CPU) 02:28:16 LINUX RESTART (8 CPU) 02:29:02 AM CPU %user %nice %system %iowait %steal %idle 02:30:01 AM all 13.89 0.00 1.35 0.58 0.07 84.11 02:30:01 AM 0 11.78 0.00 1.05 0.49 0.07 86.61 02:30:01 AM 1 6.37 0.00 1.06 0.72 0.09 91.78 02:30:01 AM 2 29.24 0.00 2.84 1.07 0.09 66.76 02:30:01 AM 3 12.76 0.00 2.07 0.83 0.07 84.27 02:30:01 AM 4 17.68 0.00 0.81 0.34 0.05 81.11 02:30:01 AM 5 10.07 0.00 1.19 0.37 0.05 88.31 02:30:01 AM 6 16.09 0.00 0.61 0.14 0.07 83.10 02:30:01 AM 7 7.19 0.00 1.19 0.68 0.05 90.89 02:31:01 AM all 28.28 0.00 1.54 0.59 0.08 69.50 02:31:01 AM 0 27.53 0.00 1.00 0.94 0.07 70.46 02:31:01 AM 1 24.80 0.00 1.93 1.12 0.08 72.06 02:31:01 AM 2 38.06 0.00 1.34 0.17 0.08 60.34 02:31:01 AM 3 9.66 0.00 1.43 0.86 0.08 87.97 02:31:01 AM 4 44.15 0.00 1.71 0.50 0.08 53.55 02:31:01 AM 5 26.23 0.00 1.56 0.22 0.07 71.93 02:31:01 AM 6 23.04 0.00 1.39 0.47 0.08 75.02 02:31:01 AM 7 32.78 0.00 2.00 0.47 0.07 64.69 02:32:01 AM all 22.30 0.26 3.51 0.76 0.08 73.09 02:32:01 AM 0 17.00 0.08 3.20 0.25 0.08 79.38 02:32:01 AM 1 26.41 0.00 3.66 1.28 0.08 68.57 02:32:01 AM 2 23.19 0.34 3.88 0.39 0.08 72.12 02:32:01 AM 3 25.39 0.00 3.71 1.39 0.10 69.41 02:32:01 AM 4 23.13 1.61 3.65 1.92 0.07 69.63 02:32:01 AM 5 19.97 0.00 3.31 0.29 0.07 76.37 02:32:01 AM 6 23.00 0.00 3.16 0.13 0.08 73.62 02:32:01 AM 7 20.32 0.02 3.51 0.44 0.10 75.62 Average: all 21.53 0.09 2.14 0.64 0.08 75.53 Average: 0 18.81 0.03 1.75 0.56 0.07 78.78 Average: 1 19.25 0.00 2.22 1.04 0.08 77.40 Average: 2 30.18 0.11 2.69 0.54 0.08 66.40 Average: 3 15.95 0.00 2.41 1.03 0.08 80.53 Average: 4 28.36 0.54 2.06 0.92 0.07 68.05 Average: 5 18.80 0.00 2.02 0.29 0.06 78.83 Average: 6 20.73 0.00 1.72 0.25 0.08 77.22 Average: 7 20.15 0.01 2.23 0.53 0.07 77.01