---> uname -a: Linux prd-centos8-docker-4c-4g-4712.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: 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): 0-3 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 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 819 11880 19 3064 14598 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:15:ab:b0 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.50/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86004sec preferred_lft 86004sec inet6 fe80::f816:3eff:fe15:abb0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:6b:44:be:c9 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::42:6bff:fe44:bec9/64 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) 02/01/2026 _x86_64_ (4 CPU) 09:01:41 LINUX RESTART (4 CPU) 09:02:02 AM tps rtps wtps bread/s bwrtn/s 09:03:01 AM 344.20 26.86 317.34 5009.46 9439.08 09:04:01 AM 236.80 7.33 229.48 1035.27 13478.57 09:05:01 AM 30.57 0.00 30.57 0.00 7785.35 09:06:01 AM 5.40 1.70 3.70 51.05 274.63 09:07:01 AM 79.66 1.75 77.91 608.86 15272.68 09:08:01 AM 28.29 0.47 27.82 64.51 1592.69 Average: 120.20 6.29 113.91 1117.27 7970.17 09:02:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:03:01 AM 13059332 15009136 3082200 19.09 2688 2159188 1413544 8.22 157320 2549996 230768 09:04:01 AM 11165100 13478716 4976432 30.83 2688 2515256 2629764 15.30 246656 4309216 220544 09:05:01 AM 9905976 12226092 6235556 38.63 2688 2521136 3684472 21.43 262488 5545352 2040 09:06:01 AM 8859296 11188404 7282236 45.11 2688 2529824 4689560 27.28 266360 6585780 3952 09:07:01 AM 6281692 9103616 9859840 61.08 2688 3011716 13477248 78.40 383416 8963492 23232 09:08:01 AM 12117788 14898964 4023744 24.93 2688 2970540 1218264 7.09 587132 2975444 23156 Average: 10231531 12650821 5910001 36.61 2688 2617943 4518809 26.29 317229 5154880 83949 09:02:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:03:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:03:01 AM eth0 290.90 171.60 1912.54 65.08 0.00 0.00 0.00 0.00 09:03:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:04:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:04:01 AM eth0 368.63 287.06 4950.44 41.34 0.00 0.00 0.00 0.00 09:04:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:05:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:05:01 AM eth0 17.41 17.51 3.43 26.27 0.00 0.00 0.00 0.00 09:05:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:06:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:06:01 AM eth0 18.79 17.93 3.85 19.40 0.00 0.00 0.00 0.00 09:06:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:07:01 AM lo 14.45 14.45 27.06 27.06 0.00 0.00 0.00 0.00 09:07:01 AM eth0 265.14 138.50 2832.28 14.18 0.00 0.00 0.00 0.00 09:07:01 AM docker0 0.13 0.23 0.01 0.02 0.00 0.00 0.00 0.00 09:07:01 AM veth1262e82 0.13 0.38 0.01 0.03 0.00 0.00 0.00 0.00 09:07:01 AM br-a996865c8332 5.36 5.18 25.58 0.90 0.00 0.00 0.00 0.00 09:07:01 AM veth8e4d1bb 5.71 5.23 25.66 0.87 0.00 0.00 0.00 0.00 09:07:01 AM vethb2f6938 10.35 10.95 26.51 26.56 0.00 0.00 0.00 0.00 09:08:01 AM lo 2.38 2.38 0.19 0.19 0.00 0.00 0.00 0.00 09:08:01 AM eth0 17.08 13.78 12.75 7.43 0.00 0.00 0.00 0.00 09:08:01 AM docker0 0.10 0.12 0.00 0.01 0.00 0.00 0.00 0.00 Average: lo 2.81 2.81 4.55 4.55 0.00 0.00 0.00 0.00 Average: eth0 162.65 107.57 1618.67 28.85 0.00 0.00 0.00 0.00 Average: docker0 0.04 0.06 0.00 0.00 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) 02/01/2026 _x86_64_ (4 CPU) 09:01:41 LINUX RESTART (4 CPU) 09:02:02 AM CPU %user %nice %system %iowait %steal %idle 09:03:01 AM all 25.43 0.00 2.72 1.63 0.09 70.13 09:03:01 AM 0 36.18 0.00 3.35 1.02 0.10 59.35 09:03:01 AM 1 28.31 0.00 2.31 0.99 0.08 68.31 09:03:01 AM 2 19.65 0.00 3.75 4.23 0.07 72.30 09:03:01 AM 3 17.54 0.00 1.48 0.31 0.09 80.58 09:04:01 AM all 49.61 0.00 3.24 1.80 0.11 45.23 09:04:01 AM 0 47.56 0.00 2.71 1.42 0.12 48.20 09:04:01 AM 1 48.64 0.00 3.50 2.64 0.10 45.11 09:04:01 AM 2 46.85 0.00 3.83 1.84 0.12 47.36 09:04:01 AM 3 55.40 0.00 2.94 1.29 0.12 40.26 09:05:01 AM all 39.86 0.00 0.74 0.34 0.08 58.98 09:05:01 AM 0 42.68 0.00 0.52 0.55 0.08 56.17 09:05:01 AM 1 42.94 0.00 0.37 0.05 0.10 56.55 09:05:01 AM 2 29.59 0.00 0.85 0.69 0.07 68.80 09:05:01 AM 3 44.20 0.00 1.22 0.07 0.08 54.43 09:06:01 AM all 26.54 0.00 0.59 0.03 0.08 72.76 09:06:01 AM 0 19.07 0.00 0.38 0.00 0.08 80.47 09:06:01 AM 1 51.14 0.00 1.20 0.08 0.08 47.49 09:06:01 AM 2 18.38 0.00 0.35 0.00 0.08 81.19 09:06:01 AM 3 17.56 0.00 0.43 0.03 0.07 81.91 09:07:01 AM all 36.57 0.00 2.93 1.26 0.10 59.15 09:07:01 AM 0 30.98 0.00 3.29 2.00 0.10 63.63 09:07:01 AM 1 48.14 0.00 3.16 1.55 0.10 47.05 09:07:01 AM 2 33.73 0.00 2.62 0.96 0.10 62.59 09:07:01 AM 3 33.43 0.00 2.63 0.55 0.08 63.30 09:08:01 AM all 21.99 0.00 1.37 0.16 0.08 76.41 09:08:01 AM 0 16.04 0.00 1.12 0.08 0.08 82.67 09:08:01 AM 1 25.88 0.00 1.72 0.12 0.08 72.20 09:08:01 AM 2 17.00 0.00 0.89 0.05 0.08 81.98 09:08:01 AM 3 29.02 0.00 1.74 0.38 0.08 68.78 Average: all 33.35 0.00 1.93 0.87 0.09 63.76 Average: 0 32.07 0.00 1.89 0.84 0.09 65.10 Average: 1 40.87 0.00 2.04 0.90 0.09 56.10 Average: 2 27.55 0.00 2.04 1.28 0.09 69.04 Average: 3 32.90 0.00 1.74 0.44 0.09 64.83