---> uname -a: Linux prd-centos8-docker-4c-4g-2581.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): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 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): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 12G 69G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 1015 10571 19 4176 14398 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:54:30:26 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.99/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86044sec preferred_lft 86044sec inet6 fe80::f816:3eff:fe54:3026/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ae:3f:22:c8 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:aeff:fe3f:22c8/64 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) 04/18/2026 _x86_64_ (4 CPU) 03:29:20 LINUX RESTART (4 CPU) 03:30:01 AM tps rtps wtps bread/s bwrtn/s 03:31:01 AM 168.48 6.26 162.22 549.59 10701.80 03:32:01 AM 215.54 2.03 213.51 729.51 26518.40 03:33:01 AM 938.13 20.28 917.85 319.15 36019.48 03:34:01 AM 182.70 104.21 78.49 3622.51 4572.81 03:35:01 AM 151.32 13.96 137.35 3521.23 8869.93 Average: 331.18 29.36 301.82 1748.59 17334.55 03:30:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:31:01 AM 12831844 14787616 3309688 20.50 2688 2164360 1449832 8.43 158876 2765488 219924 03:32:01 AM 9934620 12439472 6206912 38.45 2688 2698584 4488816 26.11 290140 5458044 1208 03:33:01 AM 10709360 14171172 5432172 33.65 2688 3459440 1698980 9.88 416124 4138296 76052 03:34:01 AM 11091840 14702168 5049692 31.28 2688 3602208 1456268 8.47 446304 3723936 30636 03:35:01 AM 10854340 14767668 5287192 32.76 2688 3900340 1164148 6.77 718684 3685812 23236 Average: 11084401 14173619 5057131 31.33 2688 3164986 2051609 11.93 406026 3954315 70211 03:30:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:31:01 AM eth0 187.11 140.18 2330.16 28.68 0.00 0.00 0.00 0.00 03:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:32:01 AM lo 1.88 1.88 1.06 1.06 0.00 0.00 0.00 0.00 03:32:01 AM eth0 385.34 269.59 4707.32 30.16 0.00 0.00 0.00 0.00 03:32:01 AM docker0 1.20 1.13 0.91 0.16 0.00 0.00 0.00 0.00 03:32:01 AM veth3c8c9b7 0.10 0.35 0.01 0.03 0.00 0.00 0.00 0.00 03:32:01 AM vethbf02f7c 1.10 1.05 0.92 0.15 0.00 0.00 0.00 0.00 03:33:01 AM lo 4.55 4.55 3.51 3.51 0.00 0.00 0.00 0.00 03:33:01 AM eth0 199.15 141.28 1863.47 26.60 0.00 0.00 0.00 0.00 03:33:01 AM docker0 2.37 2.12 3.19 0.30 0.00 0.00 0.00 0.00 03:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 AM eth0 10.91 10.16 41.41 3.72 0.00 0.00 0.00 0.00 03:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:35:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:35:01 AM eth0 224.74 167.74 3008.25 58.63 0.00 0.00 0.00 0.00 03:35:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.29 1.29 0.91 0.91 0.00 0.00 0.00 0.00 Average: eth0 201.44 145.78 2389.98 29.56 0.00 0.00 0.00 0.00 Average: docker0 0.71 0.65 0.82 0.09 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) 04/18/2026 _x86_64_ (4 CPU) 03:29:20 LINUX RESTART (4 CPU) 03:30:01 AM CPU %user %nice %system %iowait %steal %idle 03:31:01 AM all 25.60 0.00 2.27 1.11 0.09 70.93 03:31:01 AM 0 16.79 0.00 1.49 0.40 0.08 81.24 03:31:01 AM 1 17.77 0.00 1.79 1.52 0.08 78.84 03:31:01 AM 2 24.92 0.00 2.48 2.04 0.10 70.46 03:31:01 AM 3 42.93 0.00 3.31 0.48 0.10 53.18 03:32:01 AM all 31.98 0.06 3.09 2.29 0.12 62.46 03:32:01 AM 0 33.28 0.00 2.72 1.04 0.13 62.82 03:32:01 AM 1 34.53 0.05 3.14 3.36 0.12 58.80 03:32:01 AM 2 32.49 0.07 3.34 2.61 0.12 61.38 03:32:01 AM 3 27.61 0.13 3.14 2.15 0.12 66.85 03:33:01 AM all 32.31 0.03 10.52 9.45 0.13 47.56 03:33:01 AM 0 34.63 0.02 9.00 7.64 0.14 48.57 03:33:01 AM 1 27.02 0.00 10.97 9.87 0.12 52.02 03:33:01 AM 2 26.48 0.02 10.52 9.72 0.12 53.14 03:33:01 AM 3 41.08 0.10 11.59 10.56 0.14 36.54 03:34:01 AM all 43.00 0.00 1.92 1.77 0.13 53.18 03:34:01 AM 0 41.50 0.00 2.02 2.21 0.12 54.15 03:34:01 AM 1 29.46 0.00 1.65 1.27 0.12 67.50 03:34:01 AM 2 29.45 0.00 1.51 0.87 0.12 68.05 03:34:01 AM 3 71.64 0.00 2.50 2.75 0.17 22.94 03:35:01 AM all 39.41 0.00 2.02 1.04 0.10 57.44 03:35:01 AM 0 30.77 0.00 1.75 0.80 0.10 66.58 03:35:01 AM 1 53.40 0.00 3.28 0.89 0.10 42.34 03:35:01 AM 2 37.28 0.00 1.97 2.44 0.10 58.20 03:35:01 AM 3 36.21 0.00 1.05 0.02 0.08 62.64 Average: all 34.47 0.02 3.94 3.11 0.11 58.35 Average: 0 31.38 0.00 3.38 2.40 0.11 62.72 Average: 1 32.45 0.01 4.14 3.36 0.11 59.93 Average: 2 30.14 0.02 3.94 3.52 0.11 62.27 Average: 3 43.90 0.05 4.30 3.17 0.12 48.46