---> uname -a: Linux prd-centos8-docker-4c-4g-5074.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 809 11903 19 3050 14608 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:5f:30:98 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.182/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86001sec preferred_lft 86001sec inet6 fe80::f816:3eff:fe5f:3098/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:cd:18:c0:e7 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:cdff:fe18:c0e7/64 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) 02/03/2026 _x86_64_ (4 CPU) 11:03:40 LINUX RESTART (4 CPU) 11:04:02 AM tps rtps wtps bread/s bwrtn/s 11:05:01 AM 252.64 22.70 229.95 4583.60 8733.20 11:06:01 AM 234.20 7.41 226.79 1047.48 13414.76 11:07:01 AM 33.88 0.00 33.88 0.00 7863.39 11:08:01 AM 5.44 1.83 3.61 57.47 391.09 11:09:01 AM 83.26 1.65 81.61 539.29 16197.18 11:10:01 AM 21.29 0.45 20.84 63.85 729.09 Average: 105.00 5.64 99.36 1041.74 7906.89 11:04:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:05:01 AM 12910332 14858816 3231200 20.02 2688 2157688 1437692 8.36 157400 2699312 231612 11:06:01 AM 11330024 13643304 4811508 29.81 2688 2514580 2610816 15.19 246192 4142896 222000 11:07:01 AM 10238012 12555916 5903520 36.57 2688 2519004 3224276 18.76 261504 5215036 1960 11:08:01 AM 9379036 11706324 6762496 41.90 2688 2528036 4082284 23.75 265388 6067064 144 11:09:01 AM 8724580 11485888 7416952 45.95 2688 2951592 4581672 26.65 404120 6539336 112 11:10:01 AM 12137004 14904964 4004528 24.81 2688 2957620 1233804 7.18 586048 2959744 24856 Average: 10786498 13192535 5355034 33.18 2688 2604753 2861757 16.65 320109 4603898 80114 11:04:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:05:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:05:01 AM eth0 170.22 124.76 1580.39 45.08 0.00 0.00 0.00 0.00 11:05:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:06:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:06:01 AM eth0 341.60 279.06 4940.03 39.68 0.00 0.00 0.00 0.00 11:06:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:07:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:07:01 AM eth0 18.78 17.58 3.91 28.35 0.00 0.00 0.00 0.00 11:07:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:08:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:08:01 AM eth0 22.33 18.65 9.81 20.26 0.00 0.00 0.00 0.00 11:08:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:09:01 AM lo 15.78 15.78 27.09 27.09 0.00 0.00 0.00 0.00 11:09:01 AM eth0 250.85 131.81 2831.53 13.29 0.00 0.00 0.00 0.00 11:09:01 AM docker0 0.13 0.23 0.01 0.02 0.00 0.00 0.00 0.00 11:09:01 AM vetha96ee4a 0.13 0.38 0.01 0.03 0.00 0.00 0.00 0.00 11:09:01 AM br-61a4349c030c 5.46 5.41 25.60 0.92 0.00 0.00 0.00 0.00 11:10:01 AM lo 1.28 1.28 0.06 0.06 0.00 0.00 0.00 0.00 11:10:01 AM eth0 19.81 14.68 13.58 7.20 0.00 0.00 0.00 0.00 11:10:01 AM docker0 0.08 0.10 0.00 0.01 0.00 0.00 0.00 0.00 Average: lo 2.86 2.86 4.55 4.55 0.00 0.00 0.00 0.00 Average: eth0 137.50 97.91 1567.64 25.61 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) 02/03/2026 _x86_64_ (4 CPU) 11:03:40 LINUX RESTART (4 CPU) 11:04:02 AM CPU %user %nice %system %iowait %steal %idle 11:05:01 AM all 24.24 0.00 2.60 1.33 0.10 71.73 11:05:01 AM 0 15.57 0.00 2.50 2.60 0.10 79.23 11:05:01 AM 1 44.40 0.00 4.31 1.41 0.12 49.75 11:05:01 AM 2 20.33 0.00 2.18 0.88 0.08 76.53 11:05:01 AM 3 16.64 0.00 1.41 0.41 0.09 81.45 11:06:01 AM all 56.05 0.00 3.37 1.31 0.13 39.15 11:06:01 AM 0 57.04 0.00 3.98 1.87 0.13 36.97 11:06:01 AM 1 48.51 0.00 3.63 1.05 0.15 46.66 11:06:01 AM 2 61.21 0.00 1.97 1.02 0.12 35.68 11:06:01 AM 3 57.41 0.00 3.89 1.29 0.13 37.27 11:07:01 AM all 37.90 0.00 0.67 0.29 0.09 61.05 11:07:01 AM 0 31.78 0.00 0.67 0.28 0.08 67.18 11:07:01 AM 1 43.35 0.00 0.38 0.10 0.10 56.07 11:07:01 AM 2 34.36 0.00 0.57 0.69 0.10 64.29 11:07:01 AM 3 42.11 0.00 1.05 0.08 0.08 56.67 11:08:01 AM all 28.30 0.00 0.61 0.04 0.07 70.98 11:08:01 AM 0 24.21 0.00 0.59 0.02 0.07 75.11 11:08:01 AM 1 39.92 0.00 0.97 0.12 0.07 58.93 11:08:01 AM 2 23.61 0.00 0.44 0.02 0.07 75.86 11:08:01 AM 3 25.48 0.00 0.44 0.00 0.07 74.01 11:09:01 AM all 35.61 0.00 3.31 0.76 0.12 60.19 11:09:01 AM 0 31.01 0.00 2.57 0.77 0.12 65.52 11:09:01 AM 1 48.87 0.00 3.29 0.99 0.13 46.71 11:09:01 AM 2 31.07 0.00 3.84 0.71 0.10 64.29 11:09:01 AM 3 31.50 0.00 3.55 0.59 0.12 64.25 11:10:01 AM all 22.47 0.00 1.13 0.07 0.07 76.26 11:10:01 AM 0 22.07 0.00 0.83 0.03 0.07 76.99 11:10:01 AM 1 24.95 0.00 1.35 0.10 0.07 73.53 11:10:01 AM 2 28.04 0.00 1.43 0.10 0.08 70.34 11:10:01 AM 3 14.83 0.00 0.88 0.05 0.05 84.19 Average: all 34.14 0.00 1.95 0.63 0.10 63.19 Average: 0 30.34 0.00 1.86 0.93 0.10 66.78 Average: 1 41.66 0.00 2.32 0.63 0.11 55.29 Average: 2 33.17 0.00 1.74 0.57 0.09 64.44 Average: 3 31.39 0.00 1.87 0.40 0.09 66.24