---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-28395 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 17G 61G 22% / 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 618 13645 3 1725 15037 Swap: 1023 81 942 ---> 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:dd:a0:75 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.32/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83277sec preferred_lft 83277sec inet6 fe80::f816:3eff:fedd:a075/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:e8:b8:12:04:74 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 inet6 fe80::dce8:b8ff:fe12:474/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-28395) 06/18/26 _x86_64_ (4 CPU) 13:04:56 LINUX RESTART (4 CPU) 13:10:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:20:02 86.55 2.62 79.92 4.01 125.24 29363.52 8276.20 13:30:09 53.76 28.86 23.51 1.39 1139.67 2118.26 1338.78 13:40:09 12.99 1.23 11.29 0.47 29.88 247.79 429.64 13:50:09 10.39 0.28 9.72 0.39 9.44 212.92 373.33 Average: 40.83 8.32 30.95 1.56 328.93 7909.50 2585.12 13:10:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:20:02 1879596 5908052 10019828 61.20 263340 3673744 12030600 69.06 2110672 11715908 1188 13:30:09 5244980 6334836 9639628 58.87 119708 1171780 10785796 61.91 649716 10154008 416 13:40:09 12580148 13696592 2283576 13.95 122732 1195184 3109628 17.85 665464 2840728 244 13:50:09 10478288 11614732 4364088 26.65 125344 1212572 5256244 30.17 672248 4924256 68 Average: 7545753 9388553 6576780 40.17 157781 1813320 7795567 44.75 1024525 7408725 479 13:10:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:20:02 lo 10.46 10.46 10.74 10.74 0.00 0.00 0.00 0.00 13:20:02 ens3 53.03 39.93 783.50 4.27 0.00 0.00 0.00 0.00 13:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:09 lo 20.52 20.52 11.14 11.14 0.00 0.00 0.00 0.00 13:30:09 ens3 1.54 1.58 0.40 0.38 0.00 0.00 0.00 0.00 13:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:09 lo 8.91 8.91 4.45 4.45 0.00 0.00 0.00 0.00 13:40:09 ens3 0.82 0.63 0.18 0.19 0.00 0.00 0.00 0.00 13:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:09 lo 14.78 14.78 7.92 7.92 0.00 0.00 0.00 0.00 13:50:09 ens3 0.76 0.63 0.16 0.12 0.00 0.00 0.00 0.00 13:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 13.70 13.70 8.57 8.57 0.00 0.00 0.00 0.00 Average: ens3 13.89 10.59 193.87 1.23 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-28395) 06/18/26 _x86_64_ (4 CPU) 13:04:56 LINUX RESTART (4 CPU) 13:10:09 CPU %user %nice %system %iowait %steal %idle 13:20:02 all 51.65 0.00 2.62 11.04 0.16 34.53 13:20:02 0 49.68 0.00 2.84 12.11 0.12 35.25 13:20:02 1 53.57 0.00 2.51 7.90 0.29 35.73 13:20:02 2 52.18 0.00 2.61 13.12 0.13 31.96 13:20:02 3 51.17 0.00 2.50 11.03 0.12 35.17 13:30:09 all 43.92 0.00 1.75 7.17 0.12 47.04 13:30:09 0 44.33 0.00 1.66 9.75 0.12 44.14 13:30:09 1 44.49 0.00 1.63 6.40 0.12 47.36 13:30:09 2 43.32 0.00 1.82 6.30 0.12 48.43 13:30:09 3 43.54 0.00 1.87 6.25 0.12 48.23 13:40:09 all 17.29 0.00 0.64 2.23 0.07 79.76 13:40:09 0 16.11 0.00 0.64 0.63 0.07 82.55 13:40:09 1 17.88 0.00 0.59 2.58 0.07 78.87 13:40:09 2 17.95 0.00 0.71 3.26 0.08 78.00 13:40:09 3 17.24 0.00 0.63 2.43 0.07 79.63 13:50:09 all 17.97 0.00 0.71 0.34 0.08 80.91 13:50:09 0 17.59 0.00 0.60 0.72 0.07 81.02 13:50:09 1 17.94 0.00 0.71 0.23 0.08 81.04 13:50:09 2 17.79 0.00 0.73 0.24 0.08 81.16 13:50:09 3 18.55 0.00 0.78 0.15 0.07 80.45 Average: all 32.65 0.00 1.42 5.17 0.11 60.64 Average: 0 31.90 0.00 1.43 5.79 0.09 60.79 Average: 1 33.41 0.00 1.36 4.27 0.14 60.82 Average: 2 32.74 0.00 1.47 5.70 0.10 59.99 Average: 3 32.56 0.00 1.44 4.94 0.09 60.96