---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-32144 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 12G 67G 15% / 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 723 9569 4 5695 14923 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:07:65 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.196/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84528sec preferred_lft 84528sec inet6 fe80::f816:3eff:fe4a:765/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:f4:33:95:79:b8 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-32144) 07/01/26 _x86_64_ (4 CPU) 15:47:22 LINUX RESTART (4 CPU) 15:50:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:12 24.68 2.66 20.10 1.92 147.53 4800.51 11196.97 16:10:01 30.96 0.05 27.73 3.18 1.67 3165.52 20797.42 Average: 27.79 1.37 23.88 2.54 75.33 3991.23 15948.93 15:50:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:12 9544780 13304116 2652032 16.20 156632 3687156 3038232 17.44 712180 5696924 20060 16:10:01 7287764 12516924 3432480 20.96 189868 5048084 3653068 20.97 1030084 7531292 899700 Average: 8416272 12910520 3042256 18.58 173250 4367620 3345650 19.20 871132 6614108 459880 15:50:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:12 lo 857.02 857.02 816.69 816.69 0.00 0.00 0.00 0.00 16:00:12 ens3 100.93 80.94 811.53 17.67 0.00 0.00 0.00 0.00 16:00:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:01 lo 1513.32 1513.32 1442.68 1442.68 0.00 0.00 0.00 0.00 16:10:01 ens3 57.05 42.69 237.56 12.04 0.00 0.00 0.00 0.00 16:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1181.87 1181.87 1126.54 1126.54 0.00 0.00 0.00 0.00 Average: ens3 79.21 62.01 527.43 14.88 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-32144) 07/01/26 _x86_64_ (4 CPU) 15:47:22 LINUX RESTART (4 CPU) 15:50:10 CPU %user %nice %system %iowait %steal %idle 16:00:12 all 64.12 0.00 2.27 0.10 0.10 33.41 16:00:12 0 62.97 0.00 2.40 0.07 0.10 34.47 16:00:12 1 63.50 0.00 2.40 0.15 0.10 33.85 16:00:12 2 65.87 0.00 2.11 0.04 0.10 31.89 16:00:12 3 64.15 0.00 2.18 0.14 0.09 33.44 16:10:01 all 54.78 0.00 2.41 0.17 0.10 42.55 16:10:01 0 53.64 0.00 2.52 0.13 0.10 43.62 16:10:01 1 54.72 0.00 2.59 0.22 0.10 42.37 16:10:01 2 56.64 0.00 2.28 0.18 0.10 40.81 16:10:01 3 54.10 0.00 2.26 0.14 0.10 43.41 Average: all 59.50 0.00 2.34 0.13 0.10 37.93 Average: 0 58.35 0.00 2.46 0.10 0.10 39.00 Average: 1 59.16 0.00 2.49 0.19 0.10 38.07 Average: 2 61.30 0.00 2.19 0.11 0.10 36.30 Average: 3 59.18 0.00 2.22 0.14 0.09 38.37