---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5573 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: 5599.94 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 726 10195 4 5066 14919 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:46:ab:1a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.191/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84740sec preferred_lft 84740sec inet6 fe80::f816:3eff:fe46:ab1a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:49:3a:86:ee:9d 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-5573) 03/18/26 _x86_64_ (4 CPU) 13:28:59 LINUX RESTART (4 CPU) 13:30:26 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:40:37 41.58 3.18 23.94 14.46 553.72 9984.35 240140.45 13:50:01 32.45 0.85 27.83 3.76 30.27 4453.53 2227.32 Average: 37.20 2.06 25.81 9.33 302.52 7330.11 125965.95 13:30:26 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:40:37 10633428 14132836 1825548 11.15 134464 3491812 2099652 12.05 679912 4674220 24444 13:50:01 8330612 13049332 2900272 17.71 172872 4582476 3305880 18.98 1001688 6546664 104272 Average: 9482020 13591084 2362910 14.43 153668 4037144 2702766 15.51 840800 5610442 64358 13:30:26 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:40:37 lo 1.19 1.19 0.13 0.13 0.00 0.00 0.00 0.00 13:40:37 ens3 108.24 85.26 894.56 20.31 0.00 0.00 0.00 0.00 13:40:37 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:01 lo 1747.87 1747.87 1666.55 1666.55 0.00 0.00 0.00 0.00 13:50:01 ens3 104.43 76.34 497.36 20.31 0.00 0.00 0.00 0.00 13:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 839.42 839.42 799.85 799.85 0.00 0.00 0.00 0.00 Average: ens3 106.41 80.98 703.94 20.31 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-5573) 03/18/26 _x86_64_ (4 CPU) 13:28:59 LINUX RESTART (4 CPU) 13:30:26 CPU %user %nice %system %iowait %steal %idle 13:40:37 all 53.17 0.00 1.90 0.14 0.08 44.72 13:40:37 0 52.75 0.00 1.98 0.14 0.08 45.05 13:40:37 1 53.57 0.00 1.89 0.06 0.08 44.40 13:40:37 2 54.21 0.00 1.84 0.21 0.08 43.66 13:40:37 3 52.14 0.00 1.87 0.14 0.09 45.77 13:50:01 all 69.20 0.00 2.74 0.24 0.10 27.72 13:50:01 0 70.86 0.00 2.97 0.23 0.10 25.84 13:50:01 1 66.86 0.00 2.66 0.14 0.11 30.24 13:50:01 2 68.43 0.00 2.77 0.48 0.10 28.23 13:50:01 3 70.63 0.00 2.58 0.11 0.10 26.58 Average: all 60.86 0.00 2.30 0.18 0.09 36.56 Average: 0 61.44 0.00 2.45 0.18 0.09 35.84 Average: 1 59.95 0.00 2.26 0.10 0.09 37.60 Average: 2 61.03 0.00 2.29 0.34 0.09 36.25 Average: 3 61.01 0.00 2.21 0.12 0.09 36.56