---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-17115 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: 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 733 9292 4 5963 14913 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:a8:ad:ef brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.194/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84065sec preferred_lft 84065sec inet6 fe80::f816:3eff:fea8:adef/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:4c:9d:28:e1:09 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-17115) 05/20/26 _x86_64_ (4 CPU) 12:30:06 LINUX RESTART (4 CPU) 12:40:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:09 25.44 0.72 22.51 2.21 31.48 4295.34 14327.12 13:00:01 29.56 0.05 26.24 3.26 1.65 3365.92 22757.25 Average: 27.48 0.39 24.36 2.73 16.70 3834.98 18502.74 12:40:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:09 8604476 12849380 3104848 18.96 162416 4158380 3268632 18.76 954900 6374924 184800 13:00:01 7978808 13098976 2851164 17.41 191320 4952092 2989100 17.16 1203628 6699908 534120 Average: 8291642 12974178 2978006 18.19 176868 4555236 3128866 17.96 1079264 6537416 359460 12:40:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:09 lo 1088.63 1088.63 1037.59 1037.59 0.00 0.00 0.00 0.00 12:50:09 ens3 75.87 55.38 332.03 14.62 0.00 0.00 0.00 0.00 12:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:01 lo 1468.81 1468.81 1400.00 1400.00 0.00 0.00 0.00 0.00 13:00:01 ens3 55.10 42.55 217.25 11.48 0.00 0.00 0.00 0.00 13:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1276.94 1276.94 1217.10 1217.10 0.00 0.00 0.00 0.00 Average: ens3 65.58 49.02 275.18 13.07 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-17115) 05/20/26 _x86_64_ (4 CPU) 12:30:06 LINUX RESTART (4 CPU) 12:40:06 CPU %user %nice %system %iowait %steal %idle 12:50:09 all 66.76 0.00 2.24 0.10 0.13 30.77 12:50:09 0 67.40 0.00 2.47 0.09 0.13 29.91 12:50:09 1 65.38 0.00 2.00 0.08 0.12 32.42 12:50:09 2 68.39 0.00 2.38 0.13 0.13 28.98 12:50:09 3 65.88 0.00 2.13 0.08 0.13 31.79 13:00:01 all 47.40 0.00 2.21 6.06 0.11 44.21 13:00:01 0 46.94 0.00 2.50 5.64 0.11 44.82 13:00:01 1 46.92 0.00 2.24 7.89 0.10 42.86 13:00:01 2 50.53 0.00 2.12 4.86 0.11 42.38 13:00:01 3 45.22 0.00 1.98 5.87 0.13 46.81 Average: all 57.19 0.00 2.22 3.05 0.12 37.42 Average: 0 57.27 0.00 2.48 2.84 0.12 37.29 Average: 1 56.25 0.00 2.12 3.94 0.11 37.58 Average: 2 59.56 0.00 2.25 2.47 0.12 35.60 Average: 3 55.67 0.00 2.05 2.94 0.13 39.21