---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23733 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 669 10300 4 5019 14977 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:4a:d8:80 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.171/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83887sec preferred_lft 83887sec inet6 fe80::f816:3eff:fe4a:d880/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:49:1b:3e:88:2a 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-23733) 06/04/26 _x86_64_ (4 CPU) 17:39:30 LINUX RESTART (4 CPU) 17:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:50:01 56.06 3.99 38.02 14.05 857.72 3580.38 247690.73 18:00:13 10.13 1.89 7.94 0.30 121.70 1740.18 537.47 18:10:21 10.88 0.47 9.30 1.11 18.23 2170.33 2906.44 18:20:00 33.85 0.72 28.95 4.18 23.91 3666.35 3165.30 Average: 27.54 1.77 20.88 4.89 256.20 2774.27 63662.46 17:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:50:01 12806852 15488180 484860 2.96 100332 2769396 998416 5.73 479228 2733856 220 18:00:13 11036104 14309384 1652216 10.09 121744 3297928 2028248 11.64 638396 4324608 35296 18:10:21 8665160 12679716 3275320 20.00 154884 3932552 3505992 20.12 819884 6453604 123196 18:20:00 10600152 15380612 569356 3.48 174296 4636028 1106096 6.35 1037040 4220236 140 Average: 10777067 14464473 1495438 9.13 137814 3658976 1909688 10.96 743637 4433076 39713 17:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:50:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 17:50:01 ens3 68.06 45.63 553.48 8.75 0.00 0.00 0.00 0.00 17:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:13 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 18:00:13 ens3 57.97 46.60 578.68 8.85 0.00 0.00 0.00 0.00 18:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:21 lo 1.46 1.46 0.15 0.15 0.00 0.00 0.00 0.00 18:10:21 ens3 67.41 53.12 152.46 17.67 0.00 0.00 0.00 0.00 18:10:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:00 lo 1875.89 1875.89 1776.06 1776.06 0.00 0.00 0.00 0.00 18:20:00 ens3 103.11 92.91 367.52 156.59 0.00 0.00 0.00 0.00 18:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 452.62 452.62 428.04 428.04 0.00 0.00 0.00 0.00 Average: ens3 73.77 59.17 413.37 46.66 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-23733) 06/04/26 _x86_64_ (4 CPU) 17:39:30 LINUX RESTART (4 CPU) 17:40:00 CPU %user %nice %system %iowait %steal %idle 17:50:01 all 3.18 0.00 0.45 0.58 0.03 95.76 17:50:01 0 3.01 0.00 0.38 0.48 0.02 96.11 17:50:01 1 3.52 0.00 0.42 0.17 0.02 95.87 17:50:01 2 1.53 0.00 0.43 1.01 0.04 96.98 17:50:01 3 4.65 0.00 0.56 0.66 0.04 94.09 18:00:13 all 24.05 0.00 0.80 0.03 0.05 75.07 18:00:13 0 23.94 0.00 0.72 0.01 0.05 75.28 18:00:13 1 25.60 0.00 0.98 0.03 0.05 73.33 18:00:13 2 22.48 0.00 0.82 0.06 0.05 76.59 18:00:13 3 24.20 0.00 0.66 0.01 0.05 75.08 18:10:21 all 72.18 0.00 2.25 0.03 0.11 25.43 18:10:21 0 73.45 0.00 2.35 0.03 0.12 24.05 18:10:21 1 70.71 0.00 2.02 0.01 0.11 27.14 18:10:21 2 71.29 0.00 2.00 0.03 0.11 26.56 18:10:21 3 73.26 0.00 2.63 0.03 0.12 23.97 18:20:00 all 37.67 0.00 1.91 0.13 0.07 60.22 18:20:00 0 35.81 0.00 1.86 0.08 0.07 62.18 18:20:00 1 35.55 0.00 1.46 0.05 0.07 62.87 18:20:00 2 41.80 0.00 2.09 0.32 0.08 55.72 18:20:00 3 37.55 0.00 2.21 0.06 0.07 60.11 Average: all 34.30 0.00 1.35 0.19 0.07 64.09 Average: 0 34.10 0.00 1.32 0.15 0.06 64.37 Average: 1 33.90 0.00 1.22 0.07 0.07 64.75 Average: 2 34.26 0.00 1.33 0.35 0.07 63.98 Average: 3 34.96 0.00 1.51 0.19 0.07 63.27