---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-253749 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 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 608 10656 4 4723 15037 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:d3:e3:9c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.212/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84812sec preferred_lft 84812sec inet6 fe80::f816:3eff:fed3:e39c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6e:d3:ce:20:30:06 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-253749) 03/08/26 _x86_64_ (4 CPU) 09:56:21 LINUX RESTART (4 CPU) 10:00:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:01 5.98 0.28 5.35 0.35 27.36 862.29 745.45 10:20:27 15.59 0.51 13.94 1.14 18.38 2083.99 2775.14 Average: 10.92 0.40 9.77 0.76 22.74 1490.78 1789.60 10:00:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:01 8613476 11558140 4404348 26.90 114376 2996844 4559868 26.17 502084 6918888 308 10:20:27 10211132 13591788 2367132 14.46 134168 3384700 2505396 14.38 678136 5102072 11116 Average: 9412304 12574964 3385740 20.68 124272 3190772 3532632 20.28 590110 6010480 5712 10:00:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:01 lo 0.66 0.66 0.39 0.39 0.00 0.00 0.00 0.00 10:10:01 ens3 18.11 13.46 165.49 2.85 0.00 0.00 0.00 0.00 10:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:27 lo 391.88 391.88 373.27 373.27 0.00 0.00 0.00 0.00 10:20:27 ens3 32.01 23.38 373.49 3.57 0.00 0.00 0.00 0.00 10:20:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 201.92 201.92 192.21 192.21 0.00 0.00 0.00 0.00 Average: ens3 25.26 18.56 272.49 3.22 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-253749) 03/08/26 _x86_64_ (4 CPU) 09:56:21 LINUX RESTART (4 CPU) 10:00:11 CPU %user %nice %system %iowait %steal %idle 10:10:01 all 47.67 0.00 0.73 0.04 0.08 51.48 10:10:01 0 50.98 0.00 0.80 0.06 0.08 48.07 10:10:01 1 56.63 0.00 0.70 0.02 0.09 42.56 10:10:01 2 40.13 0.00 0.77 0.06 0.08 58.97 10:10:01 3 42.94 0.00 0.64 0.03 0.08 56.31 10:20:27 all 50.50 0.00 1.18 0.06 0.09 48.18 10:20:27 0 42.98 0.00 1.10 0.09 0.08 55.74 10:20:27 1 59.42 0.00 1.34 0.06 0.09 39.08 10:20:27 2 36.55 0.00 1.21 0.05 0.08 62.11 10:20:27 3 63.10 0.00 1.06 0.02 0.10 35.72 Average: all 49.13 0.00 0.96 0.05 0.08 49.78 Average: 0 46.87 0.00 0.96 0.07 0.08 52.01 Average: 1 58.07 0.00 1.03 0.04 0.09 40.77 Average: 2 38.28 0.00 1.00 0.06 0.08 60.59 Average: 3 53.31 0.00 0.86 0.02 0.09 45.72