---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26686 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 618 10526 4 4844 15028 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:7d:a3:82 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.120/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84776sec preferred_lft 84776sec inet6 fe80::f816:3eff:fe7d:a382/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:4f:76:3c:fd:4d 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-26686) 03/24/26 _x86_64_ (4 CPU) 22:34:27 LINUX RESTART (4 CPU) 22:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:50:07 3.89 0.07 3.64 0.18 7.00 596.34 217.89 23:00:07 18.73 0.52 16.71 1.50 19.31 2333.88 6986.36 Average: 11.27 0.29 10.14 0.84 13.12 1460.04 3582.36 22:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:50:07 10018632 13084532 2878384 17.58 115576 3098504 3067848 17.61 537044 5467816 8380 23:00:07 10064048 13551272 2407548 14.70 136476 3471416 2495180 14.32 710580 5184276 13868 Average: 10041340 13317902 2642966 16.14 126026 3284960 2781514 15.97 623812 5326046 11124 22:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:50:07 lo 0.61 0.61 0.37 0.37 0.00 0.00 0.00 0.00 22:50:07 ens3 9.17 7.75 35.82 2.23 0.00 0.00 0.00 0.00 22:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:00:07 lo 483.41 483.41 460.39 460.39 0.00 0.00 0.00 0.00 23:00:07 ens3 35.19 27.11 408.12 3.70 0.00 0.00 0.00 0.00 23:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 240.60 240.60 229.04 229.04 0.00 0.00 0.00 0.00 Average: ens3 22.10 17.37 220.88 2.96 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-26686) 03/24/26 _x86_64_ (4 CPU) 22:34:27 LINUX RESTART (4 CPU) 22:40:00 CPU %user %nice %system %iowait %steal %idle 22:50:07 all 49.98 0.00 0.73 0.01 0.08 49.20 22:50:07 0 61.35 0.00 0.78 0.01 0.08 37.78 22:50:07 1 46.46 0.00 0.64 0.01 0.08 52.81 22:50:07 2 42.62 0.00 0.69 0.01 0.07 56.61 22:50:07 3 49.47 0.00 0.81 0.03 0.08 49.61 23:00:07 all 57.67 0.00 1.25 0.06 0.08 40.94 23:00:07 0 85.22 0.00 1.33 0.03 0.09 13.33 23:00:07 1 48.78 0.00 1.41 0.08 0.08 49.64 23:00:07 2 45.39 0.00 1.17 0.08 0.08 53.27 23:00:07 3 51.29 0.00 1.08 0.03 0.08 47.52 Average: all 53.80 0.00 0.99 0.03 0.08 45.10 Average: 0 73.21 0.00 1.05 0.02 0.09 25.63 Average: 1 47.61 0.00 1.03 0.04 0.08 51.24 Average: 2 44.00 0.00 0.93 0.04 0.08 54.95 Average: 3 50.38 0.00 0.95 0.03 0.08 48.57