---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53728 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 624 9749 4 5615 15022 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:bb:76:41 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.195/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84406sec preferred_lft 84406sec inet6 fe80::f816:3eff:febb:7641/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:e6:91:38:e4:30 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-53728) 03/28/26 _x86_64_ (4 CPU) 06:28:48 LINUX RESTART (4 CPU) 06:30:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:20 26.21 3.50 21.53 1.18 181.27 5020.87 1403.48 06:50:01 33.24 0.18 29.45 3.62 7.17 3051.07 9542.87 07:00:23 25.33 0.29 22.36 2.68 11.34 6261.83 5214.43 Average: 28.17 1.32 24.37 2.49 66.34 4815.22 5346.18 06:30:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:20 9836764 13336920 2621268 16.01 143876 3469784 3156288 18.12 651856 5490024 29836 06:50:01 9175560 13234848 2718216 16.60 174256 3948788 2904056 16.67 820872 5931848 78332 07:00:23 9928988 15317928 627712 3.83 205348 5167172 1100624 6.32 940900 4942560 24 Average: 9647104 13963232 1989065 12.15 174493 4195248 2386989 13.70 804543 5454811 36064 06:30:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:20 lo 299.42 299.42 284.99 284.99 0.00 0.00 0.00 0.00 06:40:20 ens3 95.96 70.89 914.14 14.56 0.00 0.00 0.00 0.00 06:40:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:01 lo 1628.78 1628.78 1552.77 1552.77 0.00 0.00 0.00 0.00 06:50:01 ens3 53.97 43.31 194.14 13.95 0.00 0.00 0.00 0.00 06:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:23 lo 329.26 329.26 307.52 307.52 0.00 0.00 0.00 0.00 07:00:23 ens3 63.46 59.35 111.34 160.57 0.00 0.00 0.00 0.00 07:00:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 738.32 738.32 701.51 701.51 0.00 0.00 0.00 0.00 Average: ens3 71.18 58.01 404.24 64.88 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-53728) 03/28/26 _x86_64_ (4 CPU) 06:28:48 LINUX RESTART (4 CPU) 06:30:23 CPU %user %nice %system %iowait %steal %idle 06:40:20 all 36.54 0.00 1.34 0.36 0.06 61.69 06:40:20 0 37.66 0.00 1.19 0.27 0.06 60.81 06:40:20 1 35.68 0.00 1.19 0.40 0.06 62.66 06:40:20 2 35.79 0.00 1.67 0.30 0.06 62.18 06:40:20 3 37.03 0.00 1.31 0.49 0.06 61.12 06:50:01 all 63.35 0.00 2.55 0.07 0.10 33.93 06:50:01 0 62.21 0.00 2.49 0.07 0.10 35.14 06:50:01 1 63.81 0.00 2.28 0.03 0.10 33.77 06:50:01 2 63.51 0.00 2.51 0.04 0.10 33.85 06:50:01 3 63.89 0.00 2.93 0.14 0.10 32.94 07:00:23 all 51.10 0.00 1.80 0.09 0.08 46.93 07:00:23 0 49.30 0.00 1.63 0.05 0.08 48.94 07:00:23 1 49.78 0.00 1.79 0.06 0.08 48.30 07:00:23 2 51.92 0.00 1.63 0.18 0.08 46.19 07:00:23 3 53.42 0.00 2.14 0.07 0.08 44.29 Average: all 50.21 0.00 1.89 0.17 0.08 47.64 Average: 0 49.60 0.00 1.76 0.13 0.08 48.43 Average: 1 49.62 0.00 1.75 0.16 0.08 48.38 Average: 2 50.30 0.00 1.93 0.17 0.08 47.52 Average: 3 51.33 0.00 2.12 0.23 0.08 46.24