---> uname -a: Linux prd-centos8-docker-4c-4g-334.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 1023 10571 19 4168 14390 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:ef:1b:56 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.204/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86023sec preferred_lft 86023sec inet6 fe80::f816:3eff:feef:1b56/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:77:5b:ee:ac 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::42:77ff:fe5b:eeac/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) 04/11/2026 _x86_64_ (4 CPU) 03:29:04 LINUX RESTART (4 CPU) 03:30:01 AM tps rtps wtps bread/s bwrtn/s 03:31:01 AM 204.22 4.92 199.30 446.92 11821.86 03:32:01 AM 148.13 2.08 146.05 731.49 22016.34 03:33:01 AM 802.82 1.57 801.25 77.59 32642.51 03:34:01 AM 331.10 112.61 218.49 1993.87 7391.24 03:35:01 AM 210.95 24.16 186.79 5323.29 9630.64 Average: 339.43 29.07 310.35 1714.70 16699.37 03:30:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:31:01 AM 12786140 14746548 3355392 20.79 2688 2167356 1456944 8.48 160048 2798136 114636 03:32:01 AM 9919076 12418864 6222456 38.55 2688 2693644 4372804 25.44 287640 5475492 976 03:33:01 AM 10502728 13932820 5638804 34.93 2688 3440644 1688952 9.83 369552 4415452 126936 03:34:01 AM 10232236 13763856 5909296 36.61 2688 3525420 1906404 11.09 437140 4579664 16880 03:35:01 AM 10760208 14672292 5381324 33.34 2688 3899640 1240996 7.22 710240 3783696 32740 Average: 10840078 13906876 5301454 32.84 2688 3145341 2133220 12.41 392924 4210488 58434 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 148.27 125.71 1511.24 28.93 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 0.25 0.25 0.02 0.02 0.00 0.00 0.00 0.00 03:32:01 AM eth0 350.45 230.62 4647.25 23.48 0.00 0.00 0.00 0.00 03:32:01 AM docker0 0.12 0.22 0.00 0.02 0.00 0.00 0.00 0.00 03:32:01 AM vethf9e639b 0.08 0.32 0.00 0.03 0.00 0.00 0.00 0.00 03:32:01 AM vethce26fe5 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 03:33:01 AM lo 5.80 5.80 4.47 4.47 0.00 0.00 0.00 0.00 03:33:01 AM eth0 199.48 140.84 1802.91 25.42 0.00 0.00 0.00 0.00 03:33:01 AM docker0 3.18 3.07 4.08 0.44 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 4.16 3.85 58.66 0.85 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 203.22 152.17 3038.41 54.42 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 1.21 1.21 0.90 0.90 0.00 0.00 0.00 0.00 Average: eth0 181.10 130.63 2211.57 26.62 0.00 0.00 0.00 0.00 Average: docker0 0.66 0.66 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) 04/11/2026 _x86_64_ (4 CPU) 03:29:04 LINUX RESTART (4 CPU) 03:30:01 AM CPU %user %nice %system %iowait %steal %idle 03:31:01 AM all 21.15 0.00 1.98 2.96 0.08 73.83 03:31:01 AM 0 23.18 0.00 2.19 3.21 0.08 71.34 03:31:01 AM 1 15.64 0.00 1.59 3.46 0.08 79.22 03:31:01 AM 2 31.31 0.00 2.69 2.04 0.08 63.88 03:31:01 AM 3 14.44 0.00 1.44 3.13 0.08 80.90 03:32:01 AM all 26.60 0.04 2.51 3.45 0.09 67.30 03:32:01 AM 0 30.30 0.02 2.78 1.12 0.08 65.69 03:32:01 AM 1 26.63 0.12 2.95 7.33 0.10 62.87 03:32:01 AM 2 25.05 0.03 2.26 2.62 0.08 69.95 03:32:01 AM 3 24.42 0.00 2.06 2.75 0.10 70.67 03:33:01 AM all 33.34 0.06 9.37 11.26 0.12 45.86 03:33:01 AM 0 35.67 0.03 8.99 10.48 0.12 44.71 03:33:01 AM 1 31.32 0.12 9.64 14.05 0.12 44.75 03:33:01 AM 2 32.10 0.05 9.82 10.09 0.14 47.80 03:33:01 AM 3 34.26 0.03 9.02 10.40 0.12 46.17 03:34:01 AM all 37.98 0.00 2.13 5.28 0.11 54.50 03:34:01 AM 0 26.15 0.00 2.04 6.17 0.12 65.51 03:34:01 AM 1 60.07 0.00 2.16 3.50 0.10 34.17 03:34:01 AM 2 40.32 0.00 2.26 5.92 0.12 51.38 03:34:01 AM 3 25.37 0.00 2.07 5.51 0.12 66.93 03:35:01 AM all 43.26 0.00 2.19 0.97 0.09 53.49 03:35:01 AM 0 50.28 0.00 2.69 0.78 0.08 46.16 03:35:01 AM 1 40.27 0.00 2.46 2.44 0.10 54.73 03:35:01 AM 2 48.09 0.00 1.97 0.42 0.08 49.44 03:35:01 AM 3 34.39 0.00 1.64 0.23 0.10 63.64 Average: all 32.46 0.02 3.61 4.76 0.10 59.05 Average: 0 33.11 0.01 3.72 4.33 0.10 58.74 Average: 1 34.80 0.05 3.74 6.13 0.10 55.19 Average: 2 35.39 0.02 3.78 4.19 0.10 56.52 Average: 3 26.55 0.01 3.22 4.38 0.10 65.74