---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-476380 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 613 10373 4 5002 15033 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:73:12:c9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.180/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84758sec preferred_lft 84758sec inet6 fe80::f816:3eff:fe73:12c9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:32:04:a7:e5:44 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-476380) 03/15/26 _x86_64_ (4 CPU) 00:25:19 LINUX RESTART (4 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:13 6.29 0.50 5.41 0.38 403.97 1010.80 5114.37 00:50:14 19.42 0.52 17.43 1.47 19.00 2445.07 5547.18 Average: 12.79 0.51 11.36 0.92 213.32 1721.10 5328.71 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:13 8435948 11630352 4332252 26.46 115548 3241000 4497540 25.82 634052 6961684 1024 00:50:14 8746416 12671436 3286632 20.07 136248 3911352 3403156 19.53 861932 6365864 266464 Average: 8591182 12150894 3809442 23.27 125898 3576176 3950348 22.67 747992 6663774 133744 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:13 lo 0.62 0.62 0.37 0.37 0.00 0.00 0.00 0.00 00:40:13 ens3 17.32 13.09 203.06 3.22 0.00 0.00 0.00 0.00 00:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:14 lo 457.98 457.98 436.21 436.21 0.00 0.00 0.00 0.00 00:50:14 ens3 38.41 26.61 410.22 4.77 0.00 0.00 0.00 0.00 00:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 227.12 227.12 216.21 216.21 0.00 0.00 0.00 0.00 Average: ens3 27.77 19.79 305.65 3.98 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-476380) 03/15/26 _x86_64_ (4 CPU) 00:25:19 LINUX RESTART (4 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:13 all 47.22 0.00 0.76 0.06 0.10 51.86 00:40:13 0 49.49 0.00 0.85 0.06 0.09 49.50 00:40:13 1 64.00 0.00 0.86 0.08 0.11 34.96 00:40:13 2 36.33 0.00 0.70 0.04 0.10 62.83 00:40:13 3 39.06 0.00 0.64 0.07 0.09 60.15 00:50:14 all 53.77 0.00 1.37 0.09 0.11 44.66 00:50:14 0 49.75 0.00 1.43 0.12 0.11 48.60 00:50:14 1 51.18 0.00 1.35 0.10 0.10 47.27 00:50:14 2 43.55 0.00 1.45 0.10 0.11 54.79 00:50:14 3 70.62 0.00 1.26 0.06 0.11 27.95 Average: all 50.46 0.00 1.06 0.08 0.10 48.30 Average: 0 49.62 0.00 1.14 0.09 0.10 49.05 Average: 1 57.66 0.00 1.10 0.09 0.10 41.05 Average: 2 39.91 0.00 1.07 0.07 0.10 58.85 Average: 3 54.69 0.00 0.94 0.06 0.10 44.21