---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1584 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 622 10518 4 4848 15024 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:67:9f:e4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.170/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84772sec preferred_lft 84772sec inet6 fe80::f816:3eff:fe67:9fe4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:59:dc:fb:02:cb 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-1584) 03/18/26 _x86_64_ (4 CPU) 09:23:51 LINUX RESTART (4 CPU) 09:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:40:12 3.84 0.06 3.64 0.14 6.60 591.84 428.45 09:50:02 20.19 0.52 18.09 1.58 19.29 2554.42 11931.78 Average: 11.88 0.29 10.75 0.85 12.84 1556.93 6085.13 09:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:40:12 9436028 12506616 3455676 21.11 115512 3115280 3690140 21.18 509328 6069064 112 09:50:02 10858328 15453908 502240 3.07 136416 4559564 1004860 5.77 879412 4193120 1067116 Average: 10147178 13980262 1978958 12.09 125964 3837422 2347500 13.47 694370 5131092 533614 09:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:40:12 lo 0.57 0.57 0.37 0.37 0.00 0.00 0.00 0.00 09:40:12 ens3 9.51 7.27 35.42 2.00 0.00 0.00 0.00 0.00 09:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:02 lo 516.68 516.68 492.28 492.28 0.00 0.00 0.00 0.00 09:50:02 ens3 52.50 38.89 492.67 17.83 0.00 0.00 0.00 0.00 09:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 254.36 254.36 242.26 242.26 0.00 0.00 0.00 0.00 Average: ens3 30.65 22.82 260.27 9.78 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-1584) 03/18/26 _x86_64_ (4 CPU) 09:23:51 LINUX RESTART (4 CPU) 09:30:02 CPU %user %nice %system %iowait %steal %idle 09:40:12 all 48.13 0.00 0.61 0.44 0.08 50.74 09:40:12 0 57.53 0.00 0.61 0.22 0.09 41.55 09:40:12 1 40.64 0.00 0.59 0.95 0.08 57.75 09:40:12 2 49.31 0.00 0.62 0.33 0.08 49.66 09:40:12 3 45.05 0.00 0.62 0.26 0.08 53.99 09:50:02 all 58.77 0.00 1.47 0.17 0.10 39.50 09:50:02 0 75.05 0.00 1.52 0.12 0.11 23.21 09:50:02 1 48.81 0.00 1.57 0.16 0.09 49.37 09:50:02 2 54.73 0.00 1.42 0.21 0.09 43.55 09:50:02 3 56.51 0.00 1.36 0.19 0.10 41.84 Average: all 53.36 0.00 1.03 0.31 0.09 45.22 Average: 0 66.15 0.00 1.06 0.17 0.10 32.53 Average: 1 44.66 0.00 1.07 0.56 0.09 53.62 Average: 2 51.98 0.00 1.01 0.27 0.09 46.66 Average: 3 50.67 0.00 0.98 0.23 0.09 48.03