---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-64869 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 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 658 8431 4 6900 14988 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:09:4c:39 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.175/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83699sec preferred_lft 83699sec inet6 fe80::f816:3eff:fe09:4c39/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:84:3b:03:8c:e2 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-64869) 03/31/26 _x86_64_ (4 CPU) 14:30:17 LINUX RESTART (4 CPU) 14:40:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:01 41.27 0.02 24.31 16.94 0.39 2175.05 244362.89 15:00:07 21.74 0.04 19.70 2.00 0.75 3946.26 15024.96 15:10:08 11.90 0.29 10.34 1.27 11.51 6083.20 37047.26 Average: 24.90 0.12 18.10 6.68 4.22 4075.07 97978.20 14:40:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:01 8940940 12994956 2960020 18.08 155064 4000016 3101688 17.80 940088 6081020 29748 15:00:07 5385188 10388740 5562256 33.97 167152 4897568 5342832 30.67 1210168 9299596 464 15:10:08 8661584 15366180 579656 3.54 183764 6527172 1108164 6.36 1840792 5322328 4 Average: 7662571 12916625 3033977 18.53 168660 5141585 3184228 18.28 1330349 6900981 10072 14:40:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:01 lo 1515.96 1515.96 1439.64 1439.64 0.00 0.00 0.00 0.00 14:50:01 ens3 32.63 28.34 14.89 10.44 0.00 0.00 0.00 0.00 14:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:07 lo 881.09 881.09 5022.68 5022.68 0.00 0.00 0.00 0.00 15:00:07 ens3 37.80 27.71 46.34 9.29 0.00 0.00 0.00 0.00 15:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:08 lo 2301.14 2301.14 4924.34 4924.34 0.00 0.00 0.00 0.00 15:10:08 ens3 67.07 76.74 139.16 963.75 0.00 0.00 0.00 0.00 15:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1564.03 1564.03 3808.62 3808.62 0.00 0.00 0.00 0.00 Average: ens3 45.86 44.27 66.93 328.02 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-64869) 03/31/26 _x86_64_ (4 CPU) 14:30:17 LINUX RESTART (4 CPU) 14:40:08 CPU %user %nice %system %iowait %steal %idle 14:50:01 all 66.95 0.00 2.45 0.15 0.12 30.34 14:50:01 0 67.16 0.00 2.58 0.21 0.12 29.92 14:50:01 1 67.05 0.00 2.38 0.11 0.12 30.34 14:50:01 2 66.52 0.00 2.49 0.16 0.12 30.71 14:50:01 3 67.05 0.00 2.34 0.10 0.12 30.39 15:00:07 all 52.45 0.00 1.90 0.08 0.10 45.47 15:00:07 0 51.02 0.00 1.71 0.02 0.09 47.15 15:00:07 1 51.16 0.00 1.79 0.11 0.09 46.85 15:00:07 2 57.57 0.00 2.06 0.03 0.10 40.23 15:00:07 3 50.06 0.00 2.02 0.16 0.10 47.66 15:10:08 all 19.71 0.00 0.88 0.12 0.05 79.23 15:10:08 0 19.23 0.00 0.79 0.08 0.05 79.85 15:10:08 1 15.82 0.00 1.39 0.32 0.05 82.42 15:10:08 2 30.15 0.00 0.78 0.01 0.05 69.01 15:10:08 3 13.64 0.00 0.57 0.08 0.06 85.66 Average: all 46.28 0.00 1.74 0.12 0.09 51.77 Average: 0 45.71 0.00 1.69 0.11 0.09 52.41 Average: 1 44.58 0.00 1.85 0.18 0.09 53.31 Average: 2 51.36 0.00 1.77 0.07 0.09 46.71 Average: 3 43.49 0.00 1.64 0.11 0.09 54.67