---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5805 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 640 10465 4 4883 15006 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:60:7d:09 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.156/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84820sec preferred_lft 84820sec inet6 fe80::f816:3eff:fe60:7d09/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:fb:94:05:f4:d0 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-5805) 03/19/26 _x86_64_ (4 CPU) 06:04:49 LINUX RESTART (4 CPU) 06:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:20:02 4.85 0.09 4.45 0.31 7.31 659.52 449.44 06:30:02 18.72 0.53 16.70 1.50 19.07 2373.33 6933.01 Average: 11.78 0.31 10.56 0.91 13.18 1515.17 3686.48 06:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:20:02 9581508 12688040 3273780 19.99 115900 3150844 3457836 19.85 530468 5922032 1112 06:30:02 9513304 13528920 2428116 14.83 136956 3996204 2531768 14.53 725652 5715940 465620 Average: 9547406 13108480 2850948 17.41 126428 3573524 2994802 17.19 628060 5818986 233366 06:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:20:02 lo 0.63 0.63 0.38 0.38 0.00 0.00 0.00 0.00 06:20:02 ens3 9.65 8.07 36.19 2.31 0.00 0.00 0.00 0.00 06:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:30:02 lo 541.46 541.46 515.62 515.62 0.00 0.00 0.00 0.00 06:30:02 ens3 43.74 33.57 481.96 5.13 0.00 0.00 0.00 0.00 06:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 270.65 270.65 257.62 257.62 0.00 0.00 0.00 0.00 Average: ens3 26.67 20.80 258.75 3.72 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-5805) 03/19/26 _x86_64_ (4 CPU) 06:04:49 LINUX RESTART (4 CPU) 06:10:00 CPU %user %nice %system %iowait %steal %idle 06:20:02 all 50.99 0.00 0.75 0.05 0.07 48.14 06:20:02 0 49.58 0.00 0.72 0.02 0.07 49.61 06:20:02 1 40.41 0.00 0.75 0.11 0.07 58.67 06:20:02 2 60.33 0.00 0.78 0.01 0.07 38.79 06:20:02 3 53.69 0.00 0.73 0.05 0.08 45.45 06:30:02 all 56.65 0.00 1.31 0.06 0.08 41.89 06:30:02 0 54.13 0.00 1.19 0.06 0.08 44.54 06:30:02 1 48.19 0.00 1.54 0.07 0.08 50.12 06:30:02 2 76.45 0.00 1.32 0.03 0.09 22.13 06:30:02 3 47.81 0.00 1.21 0.10 0.07 50.81 Average: all 53.82 0.00 1.03 0.06 0.08 45.02 Average: 0 51.85 0.00 0.95 0.04 0.08 47.08 Average: 1 44.28 0.00 1.14 0.09 0.07 54.42 Average: 2 68.38 0.00 1.05 0.02 0.08 30.47 Average: 3 50.75 0.00 0.97 0.08 0.08 48.13