---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-430168 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 676 10079 4 5233 14970 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:92:ae:36 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.22/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84501sec preferred_lft 84501sec inet6 fe80::f816:3eff:fe92:ae36/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:ef:34:ac:db:8f 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-430168) 03/10/26 _x86_64_ (4 CPU) 18:21:30 LINUX RESTART (4 CPU) 18:30:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:17 10.42 0.01 8.47 1.94 0.19 655.40 36622.51 18:50:01 38.64 0.33 32.56 5.75 9.16 6792.72 32981.87 Average: 24.33 0.17 20.35 3.82 4.61 3681.24 34827.59 18:30:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:17 9624384 12958500 3001732 18.33 156100 3307000 3277164 18.81 685828 5683784 34692 18:50:01 10433108 15426280 524792 3.21 189312 4845668 1029376 5.91 1320704 4132312 25008 Average: 10028746 14192390 1763262 10.77 172706 4076334 2153270 12.36 1003266 4908048 29850 18:30:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:17 lo 53.60 53.60 13.45 13.45 0.00 0.00 0.00 0.00 18:40:17 ens3 5.91 5.13 4.12 1.64 0.00 0.00 0.00 0.00 18:40:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 lo 2267.05 2267.05 2181.68 2181.68 0.00 0.00 0.00 0.00 18:50:01 ens3 68.98 55.21 471.94 14.19 0.00 0.00 0.00 0.00 18:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1144.88 1144.88 1082.44 1082.44 0.00 0.00 0.00 0.00 Average: ens3 37.01 29.82 234.77 7.82 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-430168) 03/10/26 _x86_64_ (4 CPU) 18:21:30 LINUX RESTART (4 CPU) 18:30:16 CPU %user %nice %system %iowait %steal %idle 18:40:17 all 16.38 0.00 0.82 0.10 0.08 82.63 18:40:17 0 16.11 0.00 0.87 0.21 0.08 82.73 18:40:17 1 16.00 0.00 0.85 0.03 0.08 83.04 18:40:17 2 17.11 0.00 0.74 0.06 0.08 82.02 18:40:17 3 16.28 0.00 0.84 0.07 0.08 82.72 18:50:01 all 54.54 0.00 3.05 0.14 0.09 42.18 18:50:01 0 57.06 0.00 3.00 0.08 0.09 39.77 18:50:01 1 54.32 0.00 3.38 0.13 0.09 42.07 18:50:01 2 52.68 0.00 2.76 0.20 0.09 44.27 18:50:01 3 54.08 0.00 3.07 0.15 0.09 42.60 Average: all 35.18 0.00 1.92 0.12 0.08 62.70 Average: 0 36.28 0.00 1.92 0.15 0.08 61.57 Average: 1 34.88 0.00 2.10 0.08 0.09 62.86 Average: 2 34.63 0.00 1.73 0.13 0.08 63.42 Average: 3 34.92 0.00 1.94 0.11 0.09 62.94