---> uname -a: Linux prd-centos8-docker-4c-4g-496.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 11G 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 1791 10106 19 3864 13622 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:25:f6:49 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.166/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86067sec preferred_lft 86067sec inet6 fe80::f816:3eff:fe25:f649/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:80:b1:65:1e 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::42:80ff:feb1:651e/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) 02/28/2026 _x86_64_ (4 CPU) 09:27:54 LINUX RESTART (4 CPU) 09:29:01 AM tps rtps wtps bread/s bwrtn/s 09:30:01 AM 265.41 5.35 260.06 589.67 13232.07 09:31:01 AM 232.55 1.51 231.05 489.84 37334.10 09:32:01 AM 965.39 95.07 870.33 1697.43 24152.80 09:33:01 AM 69.02 25.13 43.89 461.39 3291.02 Average: 383.73 31.89 351.84 810.91 19430.08 09:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 AM 11993804 14128240 4147728 25.70 2688 2338812 2309804 13.44 193572 3545512 255464 09:31:01 AM 10631984 13940640 5509548 34.13 2688 3411948 1935920 11.26 374828 4492968 355520 09:32:01 AM 9720404 13240128 6421128 39.78 2688 3513568 2004548 11.66 424244 5102320 8 09:33:01 AM 10435684 14029512 5705848 35.35 2688 3584712 1813576 10.55 529868 4299912 8 Average: 10695469 13834630 5446063 33.74 2688 3212260 2015962 11.73 380628 4360178 152750 09:29:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 AM eth0 365.06 292.65 4611.44 47.09 0.00 0.00 0.00 0.00 09:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:31:01 AM lo 6.35 6.35 4.66 4.66 0.00 0.00 0.00 0.00 09:31:01 AM eth0 313.80 208.05 4107.95 33.91 0.00 0.00 0.00 0.00 09:31:01 AM docker0 3.34 3.34 4.15 0.47 0.00 0.00 0.00 0.00 09:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:32:01 AM eth0 6.76 5.23 85.52 0.91 0.00 0.00 0.00 0.00 09:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:33:01 AM eth0 216.41 136.69 407.79 181.64 0.00 0.00 0.00 0.00 09:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.57 1.57 1.15 1.15 0.00 0.00 0.00 0.00 Average: eth0 225.15 160.46 2295.86 66.01 0.00 0.00 0.00 0.00 Average: docker0 0.82 0.82 1.03 0.12 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) 02/28/2026 _x86_64_ (4 CPU) 09:27:54 LINUX RESTART (4 CPU) 09:29:01 AM CPU %user %nice %system %iowait %steal %idle 09:30:01 AM all 32.69 0.00 2.59 1.36 0.10 63.26 09:30:01 AM 0 29.29 0.00 2.35 0.83 0.10 67.42 09:30:01 AM 1 26.28 0.00 2.72 1.85 0.10 69.04 09:30:01 AM 2 32.04 0.00 2.28 1.39 0.10 64.19 09:30:01 AM 3 43.14 0.00 3.01 1.37 0.08 52.39 09:31:01 AM all 41.65 0.11 7.59 1.53 0.10 49.02 09:31:01 AM 0 31.07 0.03 6.90 0.87 0.12 61.01 09:31:01 AM 1 45.30 0.03 6.89 1.99 0.09 45.70 09:31:01 AM 2 37.57 0.12 6.98 1.79 0.09 53.45 09:31:01 AM 3 52.53 0.24 9.57 1.46 0.12 36.08 09:32:01 AM all 26.50 0.00 5.42 16.31 0.31 51.47 09:32:01 AM 0 17.43 0.00 5.67 8.09 0.92 67.89 09:32:01 AM 1 16.06 0.00 5.44 17.07 0.10 61.32 09:32:01 AM 2 28.13 0.00 4.70 16.74 0.10 50.33 09:32:01 AM 3 44.44 0.00 5.85 23.38 0.10 26.23 09:33:01 AM all 40.03 0.00 2.08 0.74 0.10 57.05 09:33:01 AM 0 44.80 0.00 2.56 0.60 0.12 51.92 09:33:01 AM 1 42.05 0.00 1.62 0.65 0.08 55.59 09:33:01 AM 2 50.65 0.00 2.39 1.39 0.10 45.47 09:33:01 AM 3 22.63 0.00 1.76 0.30 0.10 75.22 Average: all 35.17 0.03 4.39 5.00 0.15 55.26 Average: 0 30.64 0.01 4.35 2.61 0.32 62.07 Average: 1 32.34 0.01 4.14 5.40 0.09 58.01 Average: 2 37.11 0.03 4.06 5.34 0.10 53.36 Average: 3 40.60 0.06 5.02 6.63 0.10 47.59