---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6058 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 12G 66G 16% / 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 651 9039 4 6298 14995 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:78:19:58 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.109/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84535sec preferred_lft 84535sec inet6 fe80::f816:3eff:fe78:1958/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:ef:7d:45:79:f3 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-6058) 03/19/26 _x86_64_ (4 CPU) 13:46:47 LINUX RESTART (4 CPU) 13:50:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:00:13 20.55 0.45 17.56 2.53 20.58 2002.93 2417.14 14:10:13 32.09 0.02 28.76 3.31 0.27 2560.29 14395.76 Average: 26.29 0.24 23.13 2.92 10.48 2280.05 8372.75 13:50:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:00:13 9578712 13157236 2801680 17.11 133848 3565980 2863752 16.44 675192 5739864 106388 14:10:13 9191952 13171488 2784168 17.00 162168 3910128 2737808 15.71 796436 5967664 77668 Average: 9385332 13164362 2792924 17.06 148008 3738054 2800780 16.08 735814 5853764 92028 13:50:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:00:13 lo 1385.93 1385.93 1315.08 1315.08 0.00 0.00 0.00 0.00 14:00:13 ens3 32.51 28.07 47.27 8.90 0.00 0.00 0.00 0.00 14:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:13 lo 1425.75 1425.75 1358.22 1358.22 0.00 0.00 0.00 0.00 14:10:13 ens3 27.31 23.49 34.55 6.86 0.00 0.00 0.00 0.00 14:10:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1405.73 1405.73 1336.53 1336.53 0.00 0.00 0.00 0.00 Average: ens3 29.92 25.79 40.94 7.88 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-6058) 03/19/26 _x86_64_ (4 CPU) 13:46:47 LINUX RESTART (4 CPU) 13:50:07 CPU %user %nice %system %iowait %steal %idle 14:00:13 all 64.69 0.00 2.15 0.05 0.11 33.00 14:00:13 0 64.32 0.00 2.11 0.05 0.11 33.42 14:00:13 1 67.21 0.00 2.17 0.04 0.11 30.47 14:00:13 2 64.24 0.00 2.36 0.05 0.12 33.24 14:00:13 3 62.98 0.00 1.96 0.08 0.12 34.86 14:10:13 all 64.58 0.00 2.49 0.08 0.11 32.73 14:10:13 0 65.36 0.00 2.47 0.16 0.11 31.89 14:10:13 1 64.62 0.00 2.60 0.06 0.11 32.60 14:10:13 2 64.11 0.00 2.37 0.05 0.11 33.36 14:10:13 3 64.24 0.00 2.52 0.04 0.12 33.08 Average: all 64.64 0.00 2.32 0.07 0.11 32.87 Average: 0 64.84 0.00 2.29 0.10 0.11 32.66 Average: 1 65.92 0.00 2.39 0.05 0.11 31.53 Average: 2 64.18 0.00 2.36 0.05 0.11 33.30 Average: 3 63.61 0.00 2.24 0.06 0.12 33.98