---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8284 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 11G 67G 14% / 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 620 10577 4 4790 15026 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:4d:23:36 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.222/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84586sec preferred_lft 84586sec inet6 fe80::f816:3eff:fe4d:2336/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:fd:fa:54:eb:d4 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-8284) 03/23/26 _x86_64_ (4 CPU) 07:12:11 LINUX RESTART (4 CPU) 07:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:30:06 3.52 0.07 3.32 0.13 7.04 598.06 19.72 07:40:06 27.84 0.52 13.01 14.32 19.12 2080.88 245143.23 Average: 15.63 0.29 8.15 7.20 13.05 1336.44 122080.01 07:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:30:06 8425964 11391624 4571756 27.92 112264 3019496 4689140 26.92 490388 7121364 1492 07:40:06 9621452 13145432 2814244 17.19 132704 3523980 2962708 17.01 683036 5696928 113012 Average: 9023708 12268528 3693000 22.56 122484 3271738 3825924 21.96 586712 6409146 57252 07:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:30:06 lo 0.58 0.58 0.37 0.37 0.00 0.00 0.00 0.00 07:30:06 ens3 8.45 6.73 34.51 1.88 0.00 0.00 0.00 0.00 07:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:06 lo 349.48 349.48 332.82 332.82 0.00 0.00 0.00 0.00 07:40:06 ens3 38.72 28.06 409.59 3.88 0.00 0.00 0.00 0.00 07:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 174.32 174.32 165.91 165.91 0.00 0.00 0.00 0.00 Average: ens3 23.52 17.35 221.28 2.88 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-8284) 03/23/26 _x86_64_ (4 CPU) 07:12:11 LINUX RESTART (4 CPU) 07:20:01 CPU %user %nice %system %iowait %steal %idle 07:30:06 all 47.97 0.00 0.65 0.18 0.09 51.12 07:30:06 0 65.73 0.00 0.67 0.07 0.10 33.43 07:30:06 1 38.42 0.00 0.74 0.02 0.08 60.74 07:30:06 2 45.58 0.00 0.67 0.02 0.08 53.64 07:30:06 3 42.15 0.00 0.53 0.61 0.08 56.63 07:40:06 all 51.67 0.00 1.15 0.06 0.08 47.05 07:40:06 0 44.05 0.00 1.04 0.06 0.08 54.78 07:40:06 1 51.39 0.00 1.11 0.09 0.08 47.32 07:40:06 2 63.84 0.00 1.28 0.04 0.08 34.76 07:40:06 3 47.39 0.00 1.15 0.06 0.08 51.32 Average: all 49.81 0.00 0.90 0.12 0.08 49.09 Average: 0 54.94 0.00 0.85 0.06 0.09 44.06 Average: 1 44.87 0.00 0.93 0.06 0.08 54.07 Average: 2 54.68 0.00 0.97 0.03 0.08 44.23 Average: 3 44.77 0.00 0.84 0.33 0.08 53.98