---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20846 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: 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 682 8843 4 6463 14964 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:ac:8f:4f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.93/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84452sec preferred_lft 84452sec inet6 fe80::f816:3eff:feac:8f4f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:dc:88:5c:a9:b4 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-20846) 02/26/26 _x86_64_ (4 CPU) 07:35:09 LINUX RESTART (4 CPU) 07:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:50:00 24.46 0.14 21.47 2.85 9.95 2338.23 23089.33 08:00:00 26.99 0.01 24.21 2.77 0.13 2160.34 26341.85 Average: 25.73 0.07 22.84 2.81 5.04 2249.23 24716.58 07:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:50:00 9779748 13370988 2585784 15.79 142392 3566132 2769200 15.90 709080 5486872 25372 08:00:00 9096824 13231820 2722636 16.63 157944 4065268 2878452 16.52 810764 6042316 194488 Average: 9438286 13301404 2654210 16.21 150168 3815700 2823826 16.21 759922 5764594 109930 07:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:50:00 lo 1455.67 1455.67 1380.53 1380.53 0.00 0.00 0.00 0.00 07:50:00 ens3 36.44 28.82 106.78 7.73 0.00 0.00 0.00 0.00 07:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:00 lo 1268.19 1268.19 1208.03 1208.03 0.00 0.00 0.00 0.00 08:00:00 ens3 24.75 19.86 23.43 6.66 0.00 0.00 0.00 0.00 08:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1361.87 1361.87 1294.23 1294.23 0.00 0.00 0.00 0.00 Average: ens3 30.59 24.34 65.08 7.19 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-20846) 02/26/26 _x86_64_ (4 CPU) 07:35:09 LINUX RESTART (4 CPU) 07:40:00 CPU %user %nice %system %iowait %steal %idle 07:50:00 all 64.76 0.00 2.36 0.49 0.08 32.31 07:50:00 0 65.30 0.00 2.50 0.64 0.09 31.48 07:50:00 1 63.46 0.00 2.26 0.34 0.08 33.85 07:50:00 2 65.46 0.00 2.25 0.29 0.09 31.92 07:50:00 3 64.83 0.00 2.43 0.69 0.08 31.96 08:00:00 all 51.31 0.00 2.04 9.09 0.08 37.49 08:00:00 0 52.31 0.00 1.99 6.54 0.08 39.07 08:00:00 1 51.04 0.00 1.87 18.06 0.08 28.95 08:00:00 2 51.02 0.00 2.29 10.00 0.07 36.62 08:00:00 3 50.85 0.00 2.01 1.76 0.07 45.31 Average: all 58.03 0.00 2.20 4.79 0.08 34.90 Average: 0 58.80 0.00 2.25 3.59 0.08 35.28 Average: 1 57.25 0.00 2.06 9.21 0.08 31.40 Average: 2 58.24 0.00 2.27 5.15 0.08 34.27 Average: 3 57.83 0.00 2.22 1.23 0.08 38.64