---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4629 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: 5599.94 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 695 9566 4 5727 14951 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:80:47:e7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.84/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84625sec preferred_lft 84625sec inet6 fe80::f816:3eff:fe80:47e7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:7e:a4:fd:fe:0e 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-4629) 04/19/26 _x86_64_ (4 CPU) 12:56:40 LINUX RESTART (4 CPU) 13:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:13 31.79 1.96 27.39 2.44 286.08 5437.33 10749.93 13:20:31 33.52 0.05 30.27 3.20 1.62 6019.79 12612.55 Average: 32.66 1.00 28.84 2.82 143.22 5729.86 11685.38 13:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:13 9591000 13427476 2528124 15.44 159348 3764552 2823044 16.20 788828 5552792 21980 13:20:31 7971152 13234108 2714844 16.58 185440 5093000 2943764 16.90 1091536 6807320 25428 Average: 8781076 13330792 2621484 16.01 172394 4428776 2883404 16.55 940182 6180056 23704 13:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:13 lo 870.84 870.84 829.56 829.56 0.00 0.00 0.00 0.00 13:10:13 ens3 81.65 59.75 398.97 15.40 0.00 0.00 0.00 0.00 13:10:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:31 lo 1101.13 1101.13 1048.91 1048.91 0.00 0.00 0.00 0.00 13:20:31 ens3 60.93 46.26 228.68 13.28 0.00 0.00 0.00 0.00 13:20:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 986.49 986.49 939.72 939.72 0.00 0.00 0.00 0.00 Average: ens3 71.25 52.97 313.44 14.33 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-4629) 04/19/26 _x86_64_ (4 CPU) 12:56:40 LINUX RESTART (4 CPU) 13:00:01 CPU %user %nice %system %iowait %steal %idle 13:10:13 all 65.38 0.00 2.29 0.06 0.10 32.17 13:10:13 0 64.43 0.00 1.89 0.06 0.10 33.52 13:10:13 1 65.22 0.00 2.17 0.06 0.10 32.46 13:10:13 2 66.73 0.00 2.63 0.07 0.10 30.46 13:10:13 3 65.12 0.00 2.47 0.06 0.10 32.25 13:20:31 all 58.86 0.00 2.29 0.07 0.10 38.68 13:20:31 0 57.42 0.00 2.06 0.05 0.09 40.38 13:20:31 1 58.01 0.00 2.18 0.04 0.10 39.68 13:20:31 2 61.31 0.00 2.57 0.13 0.10 35.89 13:20:31 3 58.69 0.00 2.37 0.06 0.09 38.78 Average: all 62.10 0.00 2.29 0.07 0.10 35.44 Average: 0 60.91 0.00 1.97 0.05 0.10 36.97 Average: 1 61.60 0.00 2.17 0.05 0.10 36.08 Average: 2 64.01 0.00 2.60 0.10 0.10 33.19 Average: 3 61.90 0.00 2.42 0.06 0.10 35.53