---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53204 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 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 717 9461 4 5809 14928 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:7a:8e:e4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.191/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84393sec preferred_lft 84393sec inet6 fe80::f816:3eff:fe7a:8ee4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:2f:80:62:49:5f 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-53204) 03/26/26 _x86_64_ (4 CPU) 14:24:15 LINUX RESTART (4 CPU) 14:30:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:40:05 24.50 0.50 21.58 2.42 16.68 3604.38 9403.26 14:50:38 28.65 0.04 25.59 3.01 1.51 5770.43 12865.13 Average: 26.64 0.27 23.64 2.73 8.88 4717.59 11182.44 14:30:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:40:05 9445540 13374616 2580420 15.76 165996 3847932 2758040 15.83 862916 5618452 12952 14:50:38 7591256 12939024 3009720 18.38 191604 5168844 3245312 18.63 1163368 7114456 29256 Average: 8518398 13156820 2795070 17.07 178800 4508388 3001676 17.23 1013142 6366454 21104 14:30:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:40:05 lo 1158.25 1158.25 1103.84 1103.84 0.00 0.00 0.00 0.00 14:40:05 ens3 67.73 50.08 330.42 14.42 0.00 0.00 0.00 0.00 14:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:38 lo 1135.08 1135.08 1081.72 1081.72 0.00 0.00 0.00 0.00 14:50:38 ens3 55.50 42.55 222.17 12.25 0.00 0.00 0.00 0.00 14:50:38 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1146.34 1146.34 1092.47 1092.47 0.00 0.00 0.00 0.00 Average: ens3 61.44 46.21 274.79 13.30 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-53204) 03/26/26 _x86_64_ (4 CPU) 14:24:15 LINUX RESTART (4 CPU) 14:30:07 CPU %user %nice %system %iowait %steal %idle 14:40:05 all 66.61 0.00 2.46 0.39 0.14 30.39 14:40:05 0 65.01 0.00 2.35 0.33 0.14 32.16 14:40:05 1 66.99 0.00 2.56 0.38 0.15 29.92 14:40:05 2 67.12 0.00 2.40 0.35 0.15 29.98 14:40:05 3 67.33 0.00 2.52 0.49 0.14 29.51 14:50:38 all 58.40 0.00 2.35 0.54 0.13 38.57 14:50:38 0 57.32 0.00 2.49 0.60 0.13 39.46 14:50:38 1 59.82 0.00 2.47 0.51 0.13 37.06 14:50:38 2 59.01 0.00 2.35 0.61 0.12 37.91 14:50:38 3 57.46 0.00 2.09 0.46 0.13 39.87 Average: all 62.39 0.00 2.40 0.47 0.14 34.60 Average: 0 61.06 0.00 2.42 0.47 0.14 35.91 Average: 1 63.31 0.00 2.52 0.45 0.14 33.59 Average: 2 62.95 0.00 2.38 0.48 0.13 34.06 Average: 3 62.26 0.00 2.30 0.47 0.14 34.83