---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22354 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 10G 68G 13% / 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 678 10713 4 4596 14968 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:79:82:b8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.119/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84878sec preferred_lft 84878sec inet6 fe80::f816:3eff:fe79:82b8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:d0:3b:13:2f:cf 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-22354) 03/24/26 _x86_64_ (4 CPU) 18:29:12 LINUX RESTART (4 CPU) 18:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:02 49.49 3.80 39.94 5.75 561.18 5809.15 42834.55 18:50:03 43.60 0.31 35.91 7.38 11.85 4260.90 14290.49 Average: 46.54 2.05 37.92 6.56 286.23 5034.23 28547.90 18:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:02 10465020 13909256 2049280 12.52 148424 3432772 2226948 12.78 689160 4829372 22316 18:50:03 11011240 15355308 596992 3.65 204656 4198256 1109956 6.37 948652 3924268 344 Average: 10738130 14632282 1323136 8.08 176540 3815514 1668452 9.58 818906 4376820 11330 18:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:02 lo 2557.24 2557.24 2437.33 2437.33 0.00 0.00 0.00 0.00 18:40:02 ens3 156.01 120.43 1175.56 26.95 0.00 0.00 0.00 0.00 18:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:03 lo 3498.93 3498.93 3330.38 3330.38 0.00 0.00 0.00 0.00 18:50:03 ens3 117.75 95.14 116.48 74.43 0.00 0.00 0.00 0.00 18:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3028.57 3028.57 2884.31 2884.31 0.00 0.00 0.00 0.00 Average: ens3 136.86 107.78 645.48 50.72 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-22354) 03/24/26 _x86_64_ (4 CPU) 18:29:12 LINUX RESTART (4 CPU) 18:30:02 CPU %user %nice %system %iowait %steal %idle 18:40:02 all 43.87 0.00 2.84 0.91 0.08 52.30 18:40:02 0 42.16 0.00 2.92 1.51 0.08 53.33 18:40:02 1 44.44 0.00 2.90 0.64 0.08 51.94 18:40:02 2 43.79 0.00 2.75 0.97 0.08 52.40 18:40:02 3 45.09 0.00 2.77 0.51 0.08 51.54 18:50:03 all 55.41 0.00 3.32 0.33 0.10 40.83 18:50:03 0 56.74 0.00 3.23 0.25 0.10 39.69 18:50:03 1 54.20 0.00 3.14 0.28 0.10 42.28 18:50:03 2 57.99 0.00 3.46 0.57 0.10 37.89 18:50:03 3 52.73 0.00 3.45 0.25 0.10 43.48 Average: all 49.65 0.00 3.08 0.62 0.09 46.56 Average: 0 49.46 0.00 3.07 0.88 0.09 46.50 Average: 1 49.33 0.00 3.02 0.46 0.09 47.10 Average: 2 50.89 0.00 3.11 0.77 0.09 45.14 Average: 3 48.91 0.00 3.11 0.38 0.09 47.51