---> uname -a: Linux prd-centos8-docker-8c-8g-2876.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: 2800.000 BogoMIPS: 5600.00 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 1052 27221 19 3615 30377 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:07:ec:18 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.116/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86141sec preferred_lft 86141sec inet6 fe80::f816:3eff:fe07:ec18/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:a5:51:8c:79 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:a5ff:fe51:8c79/64 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) 01/25/2026 _x86_64_ (8 CPU) 17:11:18 LINUX RESTART (8 CPU) 05:12:01 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 235.23 14.46 220.76 3198.53 11632.46 05:14:01 PM 454.72 6.41 448.30 1207.86 15936.00 05:15:01 PM 174.23 1.58 172.64 388.14 40619.44 Average: 288.06 7.49 280.57 1598.09 22729.92 05:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 29129640 31063080 3526072 10.80 2688 2248216 1808224 5.36 190916 2862236 168656 05:14:01 PM 27713796 30194192 4941916 15.13 2688 2784444 2167444 6.43 407596 4013972 314204 05:15:01 PM 27927280 31156620 4728432 14.48 2688 3525360 1465604 4.35 811900 3371584 165152 Average: 28256905 30804631 4398807 13.47 2688 2852673 1813757 5.38 470137 3415931 216004 05:12:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:13:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:13:01 PM eth0 233.18 199.18 2541.28 51.04 0.00 0.00 0.00 0.00 05:13:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM eth0 618.33 501.80 7929.86 66.49 0.00 0.00 0.00 0.00 05:14:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM eth0 377.59 355.60 3653.60 2373.63 0.00 0.00 0.00 0.00 05:15:01 PM docker0 6.18 14.76 0.48 254.90 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 409.71 352.20 4708.37 830.43 0.00 0.00 0.00 0.00 Average: docker0 2.06 4.92 0.16 84.97 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) 01/25/2026 _x86_64_ (8 CPU) 17:11:18 LINUX RESTART (8 CPU) 05:12:01 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 14.47 0.00 1.25 1.09 0.08 83.11 05:13:01 PM 0 12.35 0.00 0.88 0.50 0.08 86.18 05:13:01 PM 1 14.94 0.00 1.29 1.09 0.08 82.60 05:13:01 PM 2 18.19 0.00 1.56 0.92 0.05 79.29 05:13:01 PM 3 14.21 0.00 1.69 1.97 0.07 82.06 05:13:01 PM 4 11.80 0.00 0.85 0.67 0.10 86.58 05:13:01 PM 5 27.68 0.00 2.09 1.69 0.07 68.49 05:13:01 PM 6 7.73 0.00 0.75 0.60 0.08 90.83 05:13:01 PM 7 8.85 0.00 0.92 1.27 0.07 88.90 05:14:01 PM all 28.38 0.00 1.80 1.78 0.09 67.96 05:14:01 PM 0 18.05 0.00 2.16 2.98 0.10 76.70 05:14:01 PM 1 27.65 0.00 1.66 1.12 0.08 69.49 05:14:01 PM 2 42.01 0.00 2.30 2.85 0.12 52.73 05:14:01 PM 3 36.76 0.00 2.18 1.06 0.08 59.93 05:14:01 PM 4 27.22 0.00 1.19 1.35 0.08 70.16 05:14:01 PM 5 25.36 0.00 1.47 1.97 0.07 71.13 05:14:01 PM 6 27.63 0.00 1.74 0.99 0.08 69.56 05:14:01 PM 7 22.35 0.00 1.68 1.91 0.07 74.00 05:15:01 PM all 16.68 0.00 2.55 1.57 0.07 79.14 05:15:01 PM 0 13.07 0.00 2.86 0.40 0.07 83.60 05:15:01 PM 1 11.83 0.00 1.96 1.64 0.07 84.50 05:15:01 PM 2 15.01 0.00 2.57 2.46 0.08 79.88 05:15:01 PM 3 15.16 0.00 1.98 1.29 0.05 81.52 05:15:01 PM 4 10.99 0.00 2.64 4.38 0.05 81.94 05:15:01 PM 5 32.47 0.00 3.64 1.16 0.08 62.65 05:15:01 PM 6 12.78 0.00 2.30 0.49 0.07 84.37 05:15:01 PM 7 22.14 0.00 2.43 0.75 0.07 74.61 Average: all 19.84 0.00 1.87 1.48 0.08 76.74 Average: 0 14.49 0.00 1.97 1.29 0.08 82.17 Average: 1 18.14 0.00 1.63 1.28 0.08 78.86 Average: 2 25.07 0.00 2.14 2.07 0.08 70.63 Average: 3 22.04 0.00 1.95 1.44 0.07 74.51 Average: 4 16.68 0.00 1.56 2.13 0.08 79.56 Average: 5 28.49 0.00 2.40 1.61 0.07 67.43 Average: 6 16.05 0.00 1.60 0.69 0.08 81.59 Average: 7 17.77 0.00 1.67 1.31 0.07 79.17