---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23458 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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: 5600.00 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 68G 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 697 10481 4 4810 14949 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:52:12:89 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.219/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84353sec preferred_lft 84353sec inet6 fe80::f816:3eff:fe52:1289/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6e:de:9c:99:81:b5 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-23458) 02/27/26 _x86_64_ (4 CPU) 09:10:38 LINUX RESTART (4 CPU) 09:20:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:01 13.09 1.63 10.47 0.99 119.66 2983.39 3040.28 09:40:09 31.41 0.90 26.26 4.24 29.70 4395.81 3386.00 Average: 22.37 1.26 18.47 2.64 74.08 3699.02 3215.45 09:20:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 10367980 13702364 2256384 13.78 138236 3319524 2474820 14.21 590500 5029020 34872 09:40:09 10815060 15379828 571140 3.49 172368 4424080 1103712 6.34 921876 4144316 81860 Average: 10591520 14541096 1413762 8.63 155302 3871802 1789266 10.27 756188 4586668 58366 09:20:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:01 lo 1.32 1.32 0.13 0.13 0.00 0.00 0.00 0.00 09:30:01 ens3 72.03 57.65 287.85 17.16 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:09 lo 1576.13 1576.13 1501.33 1501.33 0.00 0.00 0.00 0.00 09:40:09 ens3 88.25 66.15 421.28 20.82 0.00 0.00 0.00 0.00 09:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 799.23 799.23 760.75 760.75 0.00 0.00 0.00 0.00 Average: ens3 80.25 61.96 355.46 19.01 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-23458) 02/27/26 _x86_64_ (4 CPU) 09:10:38 LINUX RESTART (4 CPU) 09:20:09 CPU %user %nice %system %iowait %steal %idle 09:30:01 all 72.32 0.00 2.54 0.10 0.16 24.88 09:30:01 0 72.08 0.00 2.63 0.13 0.16 25.01 09:30:01 1 70.52 0.00 2.44 0.07 0.15 26.82 09:30:01 2 73.67 0.00 2.47 0.09 0.15 23.62 09:30:01 3 73.03 0.00 2.64 0.12 0.16 24.05 09:40:09 all 68.85 0.00 2.72 0.07 0.13 28.23 09:40:09 0 67.31 0.00 2.63 0.07 0.13 29.86 09:40:09 1 69.35 0.00 2.58 0.08 0.13 27.86 09:40:09 2 68.54 0.00 2.61 0.05 0.12 28.67 09:40:09 3 70.20 0.00 3.07 0.05 0.13 26.54 Average: all 70.56 0.00 2.64 0.08 0.14 26.58 Average: 0 69.66 0.00 2.63 0.10 0.14 27.47 Average: 1 69.93 0.00 2.51 0.07 0.14 27.35 Average: 2 71.07 0.00 2.54 0.07 0.14 26.19 Average: 3 71.59 0.00 2.86 0.08 0.15 25.31