---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12151 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 649 10210 4 5129 14997 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:3f:f8:a8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.80/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84712sec preferred_lft 84712sec inet6 fe80::f816:3eff:fe3f:f8a8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:95:50:57:34:8e 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-12151) 03/23/26 _x86_64_ (4 CPU) 07:44:27 LINUX RESTART (4 CPU) 07:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:00:00 3.86 0.07 3.61 0.18 7.11 523.46 32.12 08:10:00 13.88 0.51 12.41 0.96 19.40 1969.45 6946.54 Average: 8.87 0.29 8.01 0.57 13.25 1246.47 3489.39 07:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:00:00 10443400 13794576 2166420 13.23 118400 3390468 2413700 13.85 663828 4912276 26792 08:10:00 9773488 13537528 2419800 14.78 136772 3758252 2501336 14.36 834160 5376652 13168 Average: 10108444 13666052 2293110 14.01 127586 3574360 2457518 14.11 748994 5144464 19980 07:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:00:00 lo 0.60 0.60 0.38 0.38 0.00 0.00 0.00 0.00 08:00:00 ens3 9.05 7.02 36.08 2.01 0.00 0.00 0.00 0.00 08:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:00 lo 314.34 314.34 299.01 299.01 0.00 0.00 0.00 0.00 08:10:00 ens3 35.03 24.58 408.00 3.54 0.00 0.00 0.00 0.00 08:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 157.48 157.48 149.70 149.70 0.00 0.00 0.00 0.00 Average: ens3 22.04 15.80 222.04 2.78 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-12151) 03/23/26 _x86_64_ (4 CPU) 07:44:27 LINUX RESTART (4 CPU) 07:50:00 CPU %user %nice %system %iowait %steal %idle 08:00:00 all 47.22 0.00 0.73 0.15 0.11 51.78 08:00:00 0 47.00 0.00 0.72 0.06 0.10 52.11 08:00:00 1 53.12 0.00 0.69 0.06 0.12 46.01 08:00:00 2 35.14 0.00 0.67 0.35 0.12 63.73 08:00:00 3 53.64 0.00 0.86 0.11 0.11 45.27 08:10:00 all 58.75 0.00 1.10 0.28 0.12 39.74 08:10:00 0 63.42 0.00 1.31 0.56 0.14 34.57 08:10:00 1 48.88 0.00 0.86 0.15 0.12 49.99 08:10:00 2 48.89 0.00 1.03 0.09 0.11 49.89 08:10:00 3 73.85 0.00 1.19 0.32 0.14 24.50 Average: all 52.99 0.00 0.92 0.21 0.12 45.76 Average: 0 55.22 0.00 1.01 0.31 0.12 43.34 Average: 1 51.00 0.00 0.77 0.11 0.12 48.00 Average: 2 42.02 0.00 0.85 0.22 0.11 56.80 Average: 3 63.75 0.00 1.03 0.22 0.12 34.88