---> uname -a: Linux prd-centos8-docker-4c-4g-2796.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 1021 10629 19 4112 14392 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:2c:0a:a7 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.224/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86020sec preferred_lft 86020sec inet6 fe80::f816:3eff:fe2c:aa7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ac:c5:19:fb 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:acff:fec5:19fb/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) 01/03/2026 _x86_64_ (4 CPU) 03:28:29 LINUX RESTART (4 CPU) 03:29:01 AM tps rtps wtps bread/s bwrtn/s 03:30:01 AM 158.36 3.07 155.29 337.28 9694.43 03:31:01 AM 242.16 5.36 236.79 978.55 24994.15 03:32:01 AM 65.66 0.98 64.67 68.12 8356.32 03:33:01 AM 1035.55 95.07 940.49 1697.43 31309.23 03:34:01 AM 104.97 41.74 63.23 5575.87 2084.69 Average: 321.35 29.24 292.10 1731.50 15288.83 03:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:30:01 AM 13044068 14908408 3097456 19.19 2688 2073104 1462700 8.51 154672 2558792 141568 03:31:01 AM 9841032 12287168 6300492 39.03 2688 2639528 4514464 26.26 296060 5543416 1308 03:32:01 AM 10895020 14193804 5246504 32.50 2688 3386068 1666408 9.69 369724 4220496 591904 03:33:01 AM 10002444 13452188 6139080 38.03 2688 3443652 1745140 10.15 419120 4816564 12 03:34:01 AM 9862268 13702036 6279256 38.90 2688 3828028 2097656 12.20 505276 4873916 182840 Average: 10728966 13708721 5412558 33.53 2688 3074076 2297274 13.36 348970 4402637 183526 03:29:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:01 AM eth0 116.88 96.10 1516.13 23.00 0.00 0.00 0.00 0.00 03:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:31:01 AM lo 3.50 3.50 1.56 1.56 0.00 0.00 0.00 0.00 03:31:01 AM eth0 472.19 317.79 5115.20 36.88 0.00 0.00 0.00 0.00 03:31:01 AM docker0 2.10 1.85 1.30 0.31 0.00 0.00 0.00 0.00 03:31:01 AM veth4328f69 0.10 0.35 0.01 0.03 0.00 0.00 0.00 0.00 03:31:01 AM vethd6ba9a5 2.00 1.78 1.32 0.30 0.00 0.00 0.00 0.00 03:32:01 AM lo 2.90 2.90 2.97 2.97 0.00 0.00 0.00 0.00 03:32:01 AM eth0 207.00 146.04 1804.03 24.86 0.00 0.00 0.00 0.00 03:32:01 AM docker0 1.38 1.50 2.79 0.15 0.00 0.00 0.00 0.00 03:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:33:01 AM eth0 3.33 2.90 58.58 0.54 0.00 0.00 0.00 0.00 03:33:01 AM docker0 0.00 0.00 0.00 0.00 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 162.66 126.24 2879.83 13.14 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 Average: lo 1.28 1.28 0.91 0.91 0.00 0.00 0.00 0.00 Average: eth0 192.43 137.83 2274.98 19.69 0.00 0.00 0.00 0.00 Average: docker0 0.70 0.67 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) 01/03/2026 _x86_64_ (4 CPU) 03:28:29 LINUX RESTART (4 CPU) 03:29:01 AM CPU %user %nice %system %iowait %steal %idle 03:30:01 AM all 23.55 0.00 2.03 0.92 0.08 73.41 03:30:01 AM 0 22.07 0.00 1.65 0.37 0.08 75.83 03:30:01 AM 1 25.32 0.00 2.27 0.72 0.07 71.63 03:30:01 AM 2 12.17 0.00 1.24 1.12 0.10 85.37 03:30:01 AM 3 34.64 0.00 2.96 1.49 0.08 60.83 03:31:01 AM all 38.72 0.11 3.55 1.86 0.11 55.65 03:31:01 AM 0 37.24 0.17 2.99 0.89 0.12 58.60 03:31:01 AM 1 35.71 0.08 3.68 2.44 0.12 57.97 03:31:01 AM 2 42.16 0.12 4.11 2.52 0.10 50.99 03:31:01 AM 3 39.79 0.07 3.41 1.61 0.10 55.03 03:32:01 AM all 27.13 0.00 7.24 4.09 0.10 61.44 03:32:01 AM 0 24.07 0.00 6.66 0.00 0.09 69.19 03:32:01 AM 1 43.74 0.00 9.36 14.32 0.10 32.48 03:32:01 AM 2 21.54 0.00 7.27 0.43 0.10 70.66 03:32:01 AM 3 19.13 0.00 5.68 1.56 0.10 73.53 03:33:01 AM all 29.15 0.00 5.28 12.66 0.13 52.79 03:33:01 AM 0 25.51 0.00 4.92 11.01 0.12 58.44 03:33:01 AM 1 42.36 0.00 6.14 17.75 0.12 33.63 03:33:01 AM 2 19.33 0.00 4.32 9.96 0.13 66.25 03:33:01 AM 3 29.45 0.00 5.73 11.92 0.13 52.76 03:34:01 AM all 56.00 0.00 2.34 0.94 0.10 40.63 03:34:01 AM 0 56.22 0.00 2.49 0.89 0.10 40.30 03:34:01 AM 1 60.83 0.00 3.00 0.50 0.10 35.57 03:34:01 AM 2 56.58 0.00 1.93 1.32 0.10 40.07 03:34:01 AM 3 50.39 0.00 1.93 1.05 0.08 46.55 Average: all 34.94 0.02 4.07 4.09 0.10 56.78 Average: 0 33.06 0.03 3.72 2.63 0.10 60.45 Average: 1 41.58 0.02 4.87 7.11 0.10 46.32 Average: 2 30.39 0.02 3.76 3.08 0.11 62.65 Average: 3 34.71 0.01 3.94 3.53 0.10 57.71