---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-35197 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: 5600.00 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 601 10374 4 5013 15045 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:03:61:e6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.49/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84749sec preferred_lft 84749sec inet6 fe80::f816:3eff:fe03:61e6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:f5:23:a8:5f:15 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-35197) 03/25/26 _x86_64_ (4 CPU) 07:54:21 LINUX RESTART (4 CPU) 08:00:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:10:10 4.17 0.07 3.91 0.19 7.02 623.67 254.62 08:20:00 17.80 0.52 15.98 1.29 19.31 2204.07 10121.57 Average: 10.89 0.29 9.86 0.73 13.08 1402.88 5119.49 08:00:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:10 9621592 12861688 3100188 18.93 117280 3280732 3372860 19.36 591036 5818988 888 08:20:00 8885360 12747116 3210944 19.61 136180 3850224 3467952 19.91 772636 6335400 208872 Average: 9253476 12804402 3155566 19.27 126730 3565478 3420406 19.63 681836 6077194 104880 08:00:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:10 lo 0.61 0.61 0.38 0.38 0.00 0.00 0.00 0.00 08:10:10 ens3 9.07 7.59 35.79 2.20 0.00 0.00 0.00 0.00 08:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:00 lo 510.14 510.14 486.24 486.24 0.00 0.00 0.00 0.00 08:20:00 ens3 35.85 25.96 414.99 3.68 0.00 0.00 0.00 0.00 08:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 251.83 251.83 239.93 239.93 0.00 0.00 0.00 0.00 Average: ens3 22.28 16.65 222.75 2.93 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-35197) 03/25/26 _x86_64_ (4 CPU) 07:54:21 LINUX RESTART (4 CPU) 08:00:03 CPU %user %nice %system %iowait %steal %idle 08:10:10 all 49.50 0.00 0.71 0.08 0.08 49.63 08:10:10 0 53.04 0.00 0.78 0.02 0.08 46.09 08:10:10 1 39.97 0.00 0.68 0.10 0.08 59.18 08:10:10 2 46.42 0.00 0.65 0.14 0.08 52.71 08:10:10 3 58.55 0.00 0.73 0.07 0.09 40.57 08:20:00 all 56.33 0.00 1.26 0.85 0.10 41.46 08:20:00 0 46.53 0.00 1.14 0.33 0.10 51.90 08:20:00 1 70.07 0.00 1.44 1.77 0.10 26.62 08:20:00 2 61.32 0.00 1.25 0.54 0.10 36.79 08:20:00 3 47.44 0.00 1.22 0.74 0.09 50.51 Average: all 52.87 0.00 0.98 0.46 0.09 45.60 Average: 0 49.83 0.00 0.95 0.18 0.09 48.95 Average: 1 54.82 0.00 1.06 0.92 0.09 43.12 Average: 2 53.76 0.00 0.94 0.33 0.09 44.86 Average: 3 53.06 0.00 0.97 0.40 0.09 45.47