---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1305 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 12G 67G 15% / 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 789 9348 4 5851 14857 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:d4:13:23 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.134/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84104sec preferred_lft 84104sec inet6 fe80::f816:3eff:fed4:1323/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:9e:5c:48:ac:ee 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-1305) 04/08/26 _x86_64_ (4 CPU) 20:24:20 LINUX RESTART (4 CPU) 20:30:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:09 30.15 0.44 25.87 3.84 13.89 4339.63 5346.32 20:50:08 50.12 0.00 39.71 10.41 0.00 2581.07 12451.14 21:00:09 21.29 0.29 17.75 3.25 11.70 4198.63 1877.53 Average: 33.84 0.24 27.76 5.83 8.54 3707.44 6552.39 20:30:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:09 9208200 13492240 2459708 15.02 187648 4148708 3053824 17.53 819268 5872200 85840 20:50:08 8756432 13334500 2613496 15.96 212296 4385660 2816512 16.17 912884 6188488 38008 21:00:09 9722708 15347336 596816 3.65 240112 5352012 1121816 6.44 1266416 4801068 120 Average: 9229113 14058025 1890007 11.54 213352 4628793 2330717 13.38 999523 5620585 41323 20:30:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:09 lo 1803.66 1803.66 1719.50 1719.50 0.00 0.00 0.00 0.00 20:40:09 ens3 91.63 67.36 321.64 20.21 0.00 0.00 0.00 0.00 20:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:08 lo 5481.67 5481.67 5227.14 5227.14 0.00 0.00 0.00 0.00 20:50:08 ens3 68.52 51.27 25.15 18.94 0.00 0.00 0.00 0.00 20:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:09 lo 1436.58 1436.58 1351.78 1351.78 0.00 0.00 0.00 0.00 21:00:09 ens3 111.72 109.11 118.65 178.73 0.00 0.00 0.00 0.00 21:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2904.90 2904.90 2763.84 2763.84 0.00 0.00 0.00 0.00 Average: ens3 90.65 75.94 155.23 72.70 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-1305) 04/08/26 _x86_64_ (4 CPU) 20:24:20 LINUX RESTART (4 CPU) 20:30:09 CPU %user %nice %system %iowait %steal %idle 20:40:09 all 66.04 0.00 3.16 0.06 0.08 30.66 20:40:09 0 66.14 0.00 3.03 0.07 0.08 30.68 20:40:09 1 66.11 0.00 2.83 0.06 0.09 30.91 20:40:09 2 65.64 0.00 3.63 0.05 0.08 30.60 20:40:09 3 66.29 0.00 3.14 0.05 0.09 30.44 20:50:08 all 63.00 0.00 4.31 0.10 0.08 32.51 20:50:08 0 62.72 0.00 4.23 0.07 0.08 32.90 20:50:08 1 61.32 0.00 3.99 0.11 0.08 34.51 20:50:08 2 63.73 0.00 4.31 0.14 0.08 31.74 20:50:08 3 64.22 0.00 4.72 0.09 0.08 30.89 21:00:09 all 40.94 0.00 2.03 0.08 0.07 56.88 21:00:09 0 39.59 0.00 2.12 0.05 0.07 58.17 21:00:09 1 45.48 0.00 2.28 0.13 0.07 52.04 21:00:09 2 43.35 0.00 1.87 0.10 0.07 54.60 21:00:09 3 35.32 0.00 1.86 0.03 0.08 62.72 Average: all 56.64 0.00 3.16 0.08 0.08 40.04 Average: 0 56.12 0.00 3.12 0.06 0.08 40.61 Average: 1 57.62 0.00 3.03 0.10 0.08 39.17 Average: 2 57.55 0.00 3.27 0.10 0.08 39.01 Average: 3 55.24 0.00 3.23 0.06 0.08 41.39