---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-470111 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 644 10292 4 5052 15002 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:5d:ef:2c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.130/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84816sec preferred_lft 84816sec inet6 fe80::f816:3eff:fe5d:ef2c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:28:47:b9:f1:43 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-470111) 03/14/26 _x86_64_ (4 CPU) 08:19:11 LINUX RESTART (4 CPU) 08:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:01 23.63 3.39 19.11 1.13 564.62 4568.42 15148.08 08:40:11 3.26 0.04 3.14 0.08 2.99 310.02 47.66 Average: 13.36 1.70 11.06 0.60 281.54 2422.03 7536.92 08:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:01 9846616 13078212 2883508 17.61 116360 3277108 3110684 17.86 611772 5564864 3384 08:40:11 10402964 13746132 2214896 13.53 119996 3375896 2412468 13.85 636016 4979848 30072 Average: 10124790 13412172 2549202 15.57 118178 3326502 2761576 15.85 623894 5272356 16728 08:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:01 lo 0.55 0.55 0.06 0.06 0.00 0.00 0.00 0.00 08:30:01 ens3 78.86 61.37 1052.52 8.97 0.00 0.00 0.00 0.00 08:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:11 lo 0.49 0.49 0.36 0.36 0.00 0.00 0.00 0.00 08:40:11 ens3 3.59 3.00 2.01 0.83 0.00 0.00 0.00 0.00 08:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.52 0.52 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 40.92 31.95 523.02 4.87 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-470111) 03/14/26 _x86_64_ (4 CPU) 08:19:11 LINUX RESTART (4 CPU) 08:20:01 CPU %user %nice %system %iowait %steal %idle 08:30:01 all 54.68 0.00 1.24 0.21 0.08 43.79 08:30:01 0 53.07 0.00 1.34 0.16 0.08 45.35 08:30:01 1 54.19 0.00 1.11 0.10 0.08 44.53 08:30:01 2 57.33 0.00 1.25 0.17 0.08 41.16 08:30:01 3 54.13 0.00 1.25 0.41 0.08 44.13 08:40:11 all 44.89 0.00 0.49 0.02 0.07 54.54 08:40:11 0 37.92 0.00 0.63 0.05 0.08 61.32 08:40:11 1 41.47 0.00 0.40 0.00 0.07 58.04 08:40:11 2 33.25 0.00 0.42 0.01 0.06 66.25 08:40:11 3 66.96 0.00 0.49 0.00 0.08 32.47 Average: all 49.74 0.00 0.86 0.11 0.08 49.22 Average: 0 45.42 0.00 0.98 0.10 0.08 53.42 Average: 1 47.77 0.00 0.75 0.05 0.08 51.35 Average: 2 45.17 0.00 0.83 0.09 0.07 53.83 Average: 3 60.60 0.00 0.87 0.20 0.08 38.25