---> uname -a: Linux prd-centos8-docker-4c-4g-4387.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 1018 10634 19 4110 14395 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:5e:97:4d brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.64/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86052sec preferred_lft 86052sec inet6 fe80::f816:3eff:fe5e:974d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b3:83:85:2d 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:b3ff:fe83:852d/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) 01/31/2026 _x86_64_ (4 CPU) 03:28:26 LINUX RESTART (4 CPU) 03:29:01 AM tps rtps wtps bread/s bwrtn/s 03:30:01 AM 151.86 1.33 150.52 119.85 10548.74 03:31:01 AM 214.32 5.06 209.26 873.14 24477.04 03:32:01 AM 966.96 1.63 965.32 78.12 35116.30 03:33:01 AM 233.79 118.08 115.71 2113.56 5727.81 03:34:01 AM 167.37 18.81 148.56 5213.40 9098.20 Average: 346.84 28.98 317.85 1679.52 16994.24 03:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:30:01 AM 12957400 14819920 3184132 19.73 2688 2071332 1446844 8.42 153728 2646280 139416 03:31:01 AM 10084900 12524924 6056632 37.52 2688 2633664 4282948 24.92 284064 5312560 436 03:32:01 AM 10553992 13934804 5587540 34.62 2688 3381580 1677272 9.76 368780 4333580 89240 03:33:01 AM 10774548 14258248 5366984 33.25 2688 3475596 1575260 9.16 438648 4037280 20248 03:34:01 AM 10877888 14726056 5263644 32.61 2688 3835212 1184904 6.89 704756 3664832 23220 Average: 11049746 14052790 5091786 31.54 2688 3079477 2033446 11.83 389995 3998906 54512 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 124.00 96.87 1516.00 23.40 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 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 03:31:01 AM eth0 464.96 286.38 5109.68 33.50 0.00 0.00 0.00 0.00 03:31:01 AM docker0 0.12 0.22 0.00 0.02 0.00 0.00 0.00 0.00 03:31:01 AM veth7d738f9 0.08 0.32 0.00 0.03 0.00 0.00 0.00 0.00 03:31:01 AM veth8d36593 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 03:32:01 AM lo 6.03 6.03 4.59 4.59 0.00 0.00 0.00 0.00 03:32:01 AM eth0 198.62 144.93 1806.73 28.10 0.00 0.00 0.00 0.00 03:32:01 AM docker0 3.18 2.90 4.08 0.43 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 8.00 6.41 61.20 2.18 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 188.29 144.96 3115.59 37.00 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 1.26 1.26 0.92 0.92 0.00 0.00 0.00 0.00 Average: eth0 196.80 135.92 2322.14 24.83 0.00 0.00 0.00 0.00 Average: docker0 0.66 0.62 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) 01/31/2026 _x86_64_ (4 CPU) 03:28:26 LINUX RESTART (4 CPU) 03:29:01 AM CPU %user %nice %system %iowait %steal %idle 03:30:01 AM all 21.98 0.00 1.92 1.17 0.09 74.84 03:30:01 AM 0 15.76 0.00 1.32 1.15 0.10 81.67 03:30:01 AM 1 12.62 0.00 1.29 1.06 0.10 84.94 03:30:01 AM 2 17.65 0.00 1.67 1.12 0.07 79.48 03:30:01 AM 3 41.90 0.00 3.40 1.34 0.10 53.26 03:31:01 AM all 29.84 0.00 2.89 2.20 0.10 64.97 03:31:01 AM 0 27.85 0.00 3.22 3.09 0.10 65.73 03:31:01 AM 1 32.33 0.00 3.19 2.72 0.10 61.65 03:31:01 AM 2 25.99 0.00 2.92 2.43 0.12 68.55 03:31:01 AM 3 33.17 0.00 2.24 0.55 0.10 63.93 03:32:01 AM all 34.50 0.09 10.14 7.95 0.14 47.18 03:32:01 AM 0 26.03 0.07 9.98 8.29 0.14 55.50 03:32:01 AM 1 32.97 0.07 11.39 9.41 0.14 46.02 03:32:01 AM 2 30.35 0.17 9.04 8.59 0.15 51.70 03:32:01 AM 3 48.62 0.05 10.14 5.50 0.15 35.52 03:33:01 AM all 42.12 0.00 2.14 1.56 0.12 54.06 03:33:01 AM 0 47.05 0.00 2.26 0.64 0.12 49.93 03:33:01 AM 1 47.86 0.00 2.82 3.47 0.13 45.72 03:33:01 AM 2 47.15 0.00 2.19 1.07 0.12 49.46 03:33:01 AM 3 26.44 0.00 1.30 1.07 0.12 71.07 03:34:01 AM all 39.27 0.00 2.00 1.02 0.11 57.60 03:34:01 AM 0 35.33 0.00 1.87 0.22 0.10 62.48 03:34:01 AM 1 42.06 0.00 1.39 0.25 0.10 56.21 03:34:01 AM 2 45.96 0.00 2.51 1.54 0.10 49.88 03:34:01 AM 3 33.75 0.00 2.22 2.09 0.13 61.80 Average: all 33.54 0.02 3.80 2.76 0.11 59.77 Average: 0 30.41 0.01 3.71 2.66 0.11 63.10 Average: 1 33.57 0.01 3.99 3.36 0.11 58.95 Average: 2 33.43 0.03 3.65 2.93 0.11 59.85 Average: 3 36.74 0.01 3.84 2.10 0.12 57.19