---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-487555 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 730 9527 4 5731 14916 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:75:01:1c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.61/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84584sec preferred_lft 84584sec inet6 fe80::f816:3eff:fe75:11c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:ab:1d:2e:06:32 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-487555) 03/16/26 _x86_64_ (4 CPU) 06:26:29 LINUX RESTART (4 CPU) 06:30:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:01 46.55 3.07 27.56 15.92 565.18 5424.10 258703.87 06:50:20 34.07 0.04 30.85 3.19 1.46 5758.33 11582.75 Average: 40.12 1.51 29.26 9.36 274.71 5596.32 131368.60 06:30:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:01 9497212 13378448 2577164 15.74 158764 3811680 2800480 16.07 847432 5600088 11704 06:50:20 7454084 12704668 3244512 19.82 186528 5080176 3342336 19.18 1139172 7276908 14112 Average: 8475648 13041558 2910838 17.78 172646 4445928 3071408 17.63 993302 6438498 12908 06:30:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:01 lo 867.09 867.09 826.14 826.14 0.00 0.00 0.00 0.00 06:40:01 ens3 107.52 78.40 843.46 17.76 0.00 0.00 0.00 0.00 06:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:20 lo 1295.24 1295.24 1234.31 1234.31 0.00 0.00 0.00 0.00 06:50:20 ens3 60.61 46.74 208.98 14.03 0.00 0.00 0.00 0.00 06:50:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1087.71 1087.71 1036.46 1036.46 0.00 0.00 0.00 0.00 Average: ens3 83.34 62.09 516.53 15.84 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-487555) 03/16/26 _x86_64_ (4 CPU) 06:26:29 LINUX RESTART (4 CPU) 06:30:20 CPU %user %nice %system %iowait %steal %idle 06:40:01 all 65.82 0.00 2.27 0.15 0.09 31.67 06:40:01 0 65.46 0.00 2.04 0.08 0.08 32.33 06:40:01 1 66.46 0.00 2.60 0.24 0.09 30.62 06:40:01 2 66.85 0.00 2.25 0.18 0.09 30.63 06:40:01 3 64.52 0.00 2.18 0.10 0.09 33.12 06:50:20 all 58.23 0.00 2.29 0.18 0.09 39.20 06:50:20 0 57.53 0.00 2.24 0.06 0.09 40.07 06:50:20 1 60.54 0.00 2.43 0.08 0.09 36.86 06:50:20 2 58.05 0.00 2.39 0.24 0.09 39.21 06:50:20 3 56.78 0.00 2.10 0.35 0.09 40.68 Average: all 61.91 0.00 2.28 0.17 0.09 35.55 Average: 0 61.38 0.00 2.15 0.07 0.09 36.32 Average: 1 63.41 0.00 2.51 0.16 0.09 33.83 Average: 2 62.32 0.00 2.32 0.21 0.09 35.05 Average: 3 60.54 0.00 2.14 0.23 0.09 37.01