---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2571 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 667 8585 4 6736 14978 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:65:c3:bb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.171/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84053sec preferred_lft 84053sec inet6 fe80::f816:3eff:fe65:c3bb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:3f:32:ab:78:85 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-2571) 04/13/26 _x86_64_ (4 CPU) 19:03:20 LINUX RESTART (4 CPU) 19:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:01 22.73 0.07 19.97 2.69 6.28 2133.56 9348.15 19:30:10 44.71 0.02 27.98 16.71 0.95 4319.01 247737.01 19:40:12 13.77 0.31 12.06 1.40 11.99 6539.17 51673.20 Average: 27.14 0.13 20.04 6.97 6.38 4331.14 103536.61 19:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:01 9268684 13028916 2927928 17.88 146084 3724616 3173460 18.22 778280 5923308 20128 19:30:10 7675356 12450492 3501604 21.39 164360 4677000 3425048 19.66 1065320 7176540 3136 19:40:12 8828568 15366708 579216 3.54 183408 6362020 1121168 6.44 1718172 5293824 52 Average: 8590869 13615372 2336249 14.27 164617 4921212 2573225 14.77 1187257 6131224 7772 19:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:01 lo 1274.64 1274.64 1208.56 1208.56 0.00 0.00 0.00 0.00 19:20:01 ens3 41.96 34.52 25.26 11.83 0.00 0.00 0.00 0.00 19:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:10 lo 1285.98 1285.98 1224.87 1224.87 0.00 0.00 0.00 0.00 19:30:10 ens3 43.52 34.14 48.92 11.81 0.00 0.00 0.00 0.00 19:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:12 lo 2424.02 2424.02 9258.22 9258.22 0.00 0.00 0.00 0.00 19:40:12 ens3 63.18 73.03 163.41 879.02 0.00 0.00 0.00 0.00 19:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1660.12 1660.12 3887.05 3887.05 0.00 0.00 0.00 0.00 Average: ens3 49.53 47.18 79.09 299.79 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-2571) 04/13/26 _x86_64_ (4 CPU) 19:03:20 LINUX RESTART (4 CPU) 19:10:00 CPU %user %nice %system %iowait %steal %idle 19:20:01 all 66.95 0.00 2.36 0.12 0.12 30.45 19:20:01 0 65.31 0.00 2.53 0.22 0.12 31.81 19:20:01 1 66.92 0.00 1.97 0.07 0.12 30.93 19:20:01 2 67.41 0.00 2.50 0.06 0.13 29.90 19:20:01 3 68.17 0.00 2.43 0.12 0.13 29.15 19:30:10 all 59.24 0.00 2.40 3.09 0.12 35.15 19:30:10 0 59.02 0.00 2.30 4.27 0.12 34.30 19:30:10 1 59.26 0.00 2.45 2.95 0.12 35.22 19:30:10 2 59.20 0.00 2.64 2.34 0.12 35.70 19:30:10 3 59.49 0.00 2.20 2.82 0.12 35.37 19:40:12 all 33.74 0.00 1.27 2.27 0.08 62.64 19:40:12 0 31.56 0.00 1.37 4.16 0.08 62.83 19:40:12 1 28.71 0.00 1.35 1.96 0.09 67.89 19:40:12 2 40.38 0.00 1.24 1.15 0.09 57.14 19:40:12 3 34.31 0.00 1.10 1.81 0.09 62.70 Average: all 53.32 0.00 2.01 1.83 0.11 42.74 Average: 0 51.96 0.00 2.07 2.89 0.11 42.97 Average: 1 51.64 0.00 1.93 1.66 0.11 44.67 Average: 2 55.66 0.00 2.13 1.19 0.11 40.91 Average: 3 54.01 0.00 1.91 1.59 0.11 42.38