---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-14328 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5599.99 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 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 11G 67G 14% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 652 10384 4 4952 14994 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: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:9c:7e:26 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.72/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82370sec preferred_lft 82370sec inet6 fe80::f816:3eff:fe9c:7e26/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:a6:87:a1:0d:c1 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 ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-14328) 05/14/26 _x86_64_ (4 CPU) 08:37:01 LINUX RESTART (4 CPU) 08:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:50:07 5.13 0.27 4.46 0.40 206.71 522.95 12232.14 09:00:01 1.42 0.01 1.42 0.00 0.04 15.95 0.43 09:10:01 1.55 0.05 1.50 0.00 2.71 21.10 0.00 09:20:07 35.68 2.15 32.95 0.58 129.76 2389.27 1558.13 09:30:00 28.07 2.05 11.78 14.24 132.03 2968.26 245141.53 09:40:01 35.85 1.07 30.20 4.59 35.29 4252.30 6103.36 Average: 17.98 0.93 13.76 3.28 84.70 1695.60 43740.97 08:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:50:07 13537148 15509992 504936 3.08 58692 2139220 1136916 6.53 283948 2289888 40 09:00:01 13535668 15509240 505712 3.09 59296 2139332 1136916 6.53 284564 2290616 200 09:10:01 13534820 15511336 503444 3.07 59916 2141836 1141552 6.55 285568 2305132 76 09:20:07 12918984 15528840 446584 2.73 102580 2698620 986512 5.66 425052 2696112 160 09:30:00 10626868 14158684 1799576 10.99 143076 3511236 2117596 12.15 663892 4693356 15572 09:40:01 10696116 15406840 543852 3.32 175328 4571072 1086992 6.24 987156 4186380 81748 Average: 12474934 15270822 717351 4.38 99815 2866886 1267747 7.28 488363 3076914 16299 08:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:50:07 lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 08:50:07 ens3 8.88 5.58 142.50 0.41 0.00 0.00 0.00 0.00 08:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:00:01 ens3 0.25 0.14 0.07 0.04 0.00 0.00 0.00 0.00 09:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:10:01 ens3 3.52 1.59 4.10 0.81 0.00 0.00 0.00 0.00 09:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:07 lo 0.28 0.28 0.03 0.03 0.00 0.00 0.00 0.00 09:20:07 ens3 45.92 34.30 387.21 6.87 0.00 0.00 0.00 0.00 09:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:00 lo 1.23 1.23 0.12 0.12 0.00 0.00 0.00 0.00 09:30:00 ens3 95.36 76.91 591.57 19.52 0.00 0.00 0.00 0.00 09:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 lo 1634.32 1634.32 1557.62 1557.62 0.00 0.00 0.00 0.00 09:40:01 ens3 92.02 69.11 431.51 24.81 0.00 0.00 0.00 0.00 09:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 273.25 273.25 260.16 260.16 0.00 0.00 0.00 0.00 Average: ens3 40.93 31.21 259.39 8.73 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-14328) 05/14/26 _x86_64_ (4 CPU) 08:37:01 LINUX RESTART (4 CPU) 08:40:01 CPU %user %nice %system %iowait %steal %idle 08:50:07 all 0.27 0.00 0.15 0.13 0.01 99.44 08:50:07 0 0.14 0.00 0.12 0.03 0.00 99.70 08:50:07 1 0.29 0.00 0.25 0.08 0.01 99.37 08:50:07 2 0.23 0.00 0.14 0.14 0.02 99.47 08:50:07 3 0.42 0.00 0.09 0.27 0.01 99.22 09:00:01 all 0.22 0.00 0.03 0.03 0.01 99.71 09:00:01 0 0.06 0.00 0.03 0.10 0.01 99.80 09:00:01 1 0.70 0.00 0.05 0.00 0.01 99.24 09:00:01 2 0.02 0.00 0.02 0.02 0.01 99.93 09:00:01 3 0.09 0.00 0.02 0.00 0.01 99.88 09:10:01 all 0.20 0.00 0.03 0.02 0.01 99.74 09:10:01 0 0.06 0.00 0.04 0.05 0.01 99.85 09:10:01 1 0.66 0.00 0.04 0.00 0.01 99.29 09:10:01 2 0.04 0.00 0.03 0.00 0.01 99.92 09:10:01 3 0.05 0.00 0.02 0.00 0.01 99.92 09:20:07 all 2.55 0.00 0.35 0.27 0.02 96.81 09:20:07 0 0.98 0.00 0.33 0.40 0.02 98.26 09:20:07 1 3.96 0.00 0.46 0.30 0.03 95.25 09:20:07 2 4.25 0.00 0.45 0.32 0.02 94.95 09:20:07 3 1.00 0.00 0.17 0.03 0.02 98.77 09:30:00 all 62.80 0.00 2.07 0.05 0.12 34.96 09:30:00 0 63.86 0.00 2.30 0.05 0.11 33.67 09:30:00 1 60.39 0.00 1.79 0.03 0.12 37.67 09:30:00 2 64.88 0.00 2.21 0.06 0.12 32.73 09:30:00 3 62.08 0.00 1.97 0.07 0.12 35.77 09:40:01 all 66.80 0.00 2.81 0.08 0.11 30.20 09:40:01 0 67.10 0.00 2.77 0.08 0.11 29.94 09:40:01 1 68.75 0.00 3.09 0.06 0.12 27.98 09:40:01 2 66.26 0.00 2.58 0.11 0.12 30.94 09:40:01 3 65.09 0.00 2.78 0.08 0.11 31.94 Average: all 22.01 0.00 0.90 0.10 0.05 76.94 Average: 0 21.91 0.00 0.93 0.12 0.04 77.00 Average: 1 22.31 0.00 0.94 0.08 0.05 76.62 Average: 2 22.50 0.00 0.90 0.11 0.05 76.44 Average: 3 21.34 0.00 0.84 0.08 0.05 77.69