---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15121 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 11G 68G 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 601 10724 4 4663 15045 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:b6:e6:07 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.24/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84803sec preferred_lft 84803sec inet6 fe80::f816:3eff:feb6:e607/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:8d:ef:1f:50:a0 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-15121) 02/19/26 _x86_64_ (4 CPU) 09:57:18 LINUX RESTART (4 CPU) 10:00:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:08 5.25 0.30 4.75 0.20 27.36 977.73 178.39 10:20:01 10.00 0.54 8.96 0.50 19.57 1526.03 430.57 Average: 7.61 0.42 6.85 0.34 23.49 1250.25 303.73 10:00:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:08 8643768 11524948 4438524 27.11 113004 2935556 4623216 26.54 494260 6885336 264 10:20:01 9413408 12966472 2993228 18.28 133952 3549548 3197948 18.36 676208 5887340 273060 Average: 9028588 12245710 3715876 22.70 123478 3242552 3910582 22.45 585234 6386338 136662 10:00:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:08 lo 0.63 0.63 0.38 0.38 0.00 0.00 0.00 0.00 10:10:08 ens3 14.96 11.47 82.31 2.90 0.00 0.00 0.00 0.00 10:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 lo 181.69 181.69 172.79 172.79 0.00 0.00 0.00 0.00 10:20:01 ens3 37.71 26.17 393.63 4.05 0.00 0.00 0.00 0.00 10:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 90.62 90.62 86.07 86.07 0.00 0.00 0.00 0.00 Average: ens3 26.26 18.77 237.04 3.47 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-15121) 02/19/26 _x86_64_ (4 CPU) 09:57:18 LINUX RESTART (4 CPU) 10:00:07 CPU %user %nice %system %iowait %steal %idle 10:10:08 all 50.03 0.00 0.77 0.11 0.10 48.99 10:10:08 0 63.96 0.00 0.85 0.03 0.11 35.04 10:10:08 1 42.18 0.00 0.76 0.12 0.09 56.85 10:10:08 2 46.42 0.00 0.75 0.17 0.10 52.55 10:10:08 3 47.55 0.00 0.72 0.13 0.10 51.51 10:20:01 all 50.09 0.00 0.93 0.08 0.11 48.80 10:20:01 0 50.06 0.00 0.93 0.12 0.10 48.78 10:20:01 1 54.52 0.00 1.14 0.05 0.11 44.19 10:20:01 2 39.95 0.00 0.81 0.05 0.10 59.09 10:20:01 3 55.83 0.00 0.86 0.08 0.11 43.11 Average: all 50.06 0.00 0.85 0.10 0.10 48.89 Average: 0 57.05 0.00 0.89 0.08 0.11 41.87 Average: 1 48.31 0.00 0.95 0.09 0.10 50.55 Average: 2 43.20 0.00 0.78 0.11 0.10 55.81 Average: 3 51.66 0.00 0.79 0.10 0.11 47.34