---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-481217 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 13G 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 664 8588 4 6736 14982 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:02:f4:5e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.157/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84603sec preferred_lft 84603sec inet6 fe80::f816:3eff:fe02:f45e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:15:f2:93:7e:2d 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-481217) 03/15/26 _x86_64_ (4 CPU) 13:27:29 LINUX RESTART (4 CPU) 13:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:40:10 32.58 1.41 27.74 3.42 436.83 4385.42 24836.01 13:50:01 31.52 0.02 28.24 3.25 0.27 2585.05 39162.16 Average: 32.05 0.73 27.99 3.34 221.92 3499.11 31888.69 13:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:40:10 9455332 13238884 2717364 16.60 142200 3759740 2762744 15.86 803396 5695864 27576 13:50:01 8769272 13112228 2841028 17.35 167528 4260368 2891688 16.60 938084 6239264 142084 Average: 9112302 13175556 2779196 16.97 154864 4010054 2827216 16.23 870740 5967564 84830 13:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:40:10 lo 1707.64 1707.64 1621.17 1621.17 0.00 0.00 0.00 0.00 13:40:10 ens3 82.19 62.15 642.43 11.19 0.00 0.00 0.00 0.00 13:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:01 lo 1470.67 1470.67 1400.58 1400.58 0.00 0.00 0.00 0.00 13:50:01 ens3 29.68 23.82 46.42 7.39 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 1590.98 1590.98 1512.57 1512.57 0.00 0.00 0.00 0.00 Average: ens3 56.34 43.28 349.02 9.32 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-481217) 03/15/26 _x86_64_ (4 CPU) 13:27:29 LINUX RESTART (4 CPU) 13:30:00 CPU %user %nice %system %iowait %steal %idle 13:40:10 all 69.01 0.00 2.64 0.09 0.08 28.18 13:40:10 0 69.64 0.00 2.33 0.06 0.08 27.89 13:40:10 1 67.02 0.00 2.93 0.08 0.08 29.89 13:40:10 2 69.14 0.00 2.90 0.15 0.08 27.73 13:40:10 3 70.22 0.00 2.41 0.08 0.08 27.22 13:50:01 all 64.05 0.00 2.56 0.08 0.08 33.23 13:50:01 0 63.59 0.00 2.55 0.06 0.08 33.73 13:50:01 1 62.84 0.00 2.54 0.08 0.08 34.46 13:50:01 2 65.38 0.00 2.63 0.15 0.08 31.76 13:50:01 3 64.38 0.00 2.53 0.04 0.08 32.97 Average: all 66.56 0.00 2.60 0.09 0.08 30.67 Average: 0 66.66 0.00 2.44 0.06 0.08 30.76 Average: 1 64.96 0.00 2.74 0.08 0.08 32.14 Average: 2 67.29 0.00 2.77 0.15 0.08 29.71 Average: 3 67.34 0.00 2.47 0.06 0.08 30.05