---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39296 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: 5600.00 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 692 10378 4 4919 14954 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:7c:c9:7e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.200/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84714sec preferred_lft 84714sec inet6 fe80::f816:3eff:fe7c:c97e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:75:91:e7:bb:23 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-39296) 07/27/26 _x86_64_ (4 CPU) 04:22:59 LINUX RESTART (4 CPU) 04:30:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:40:23 11.01 0.45 9.48 1.09 17.17 2272.79 2635.27 04:50:01 28.84 0.60 23.80 4.44 23.19 3972.41 2342.09 Average: 19.68 0.52 16.44 2.72 20.09 3099.42 2492.68 04:30:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:40:23 9907788 13619608 2336396 14.27 148012 3656864 2581860 14.82 670960 5373572 20784 04:50:01 10714796 15392172 556752 3.40 173840 4532876 1104296 6.34 925796 4221568 44 Average: 10311292 14505890 1446574 8.84 160926 4094870 1843078 10.58 798378 4797570 10414 04:30:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:40:23 lo 1.38 1.38 0.14 0.14 0.00 0.00 0.00 0.00 04:40:23 ens3 70.55 53.35 98.27 16.68 0.00 0.00 0.00 0.00 04:40:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:50:01 lo 1772.86 1772.86 1676.61 1676.61 0.00 0.00 0.00 0.00 04:50:01 ens3 117.09 107.20 434.07 164.68 0.00 0.00 0.00 0.00 04:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 862.97 862.97 815.51 815.51 0.00 0.00 0.00 0.00 Average: ens3 93.18 79.54 261.59 88.66 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-4g-39296) 07/27/26 _x86_64_ (4 CPU) 04:22:59 LINUX RESTART (4 CPU) 04:30:13 CPU %user %nice %system %iowait %steal %idle 04:40:23 all 72.94 0.00 2.17 0.03 0.11 24.74 04:40:23 0 73.14 0.00 2.08 0.04 0.11 24.63 04:40:23 1 73.61 0.00 2.25 0.04 0.12 23.97 04:40:23 2 72.13 0.00 2.19 0.02 0.11 25.56 04:40:23 3 72.87 0.00 2.17 0.03 0.11 24.82 04:50:01 all 51.87 0.00 2.28 0.11 0.09 45.65 04:50:01 0 49.77 0.00 2.25 0.12 0.09 47.77 04:50:01 1 53.44 0.00 2.39 0.04 0.09 44.03 04:50:01 2 55.43 0.00 2.42 0.17 0.10 41.89 04:50:01 3 48.84 0.00 2.06 0.09 0.09 48.91 Average: all 62.69 0.00 2.22 0.07 0.10 34.91 Average: 0 61.77 0.00 2.16 0.08 0.10 35.89 Average: 1 63.81 0.00 2.32 0.04 0.11 33.72 Average: 2 64.00 0.00 2.30 0.09 0.10 33.50 Average: 3 61.18 0.00 2.12 0.06 0.10 36.54