---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26648 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 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 671 10401 4 4916 14975 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:48:6d:25 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.188/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83436sec preferred_lft 83436sec inet6 fe80::f816:3eff:fe48:6d25/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:68:42:8f:d5:2e 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-26648) 06/11/26 _x86_64_ (4 CPU) 09:10:29 LINUX RESTART (4 CPU) 09:20:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:01 2.31 0.01 2.30 0.01 0.04 38.69 0.59 09:40:15 9.35 1.88 7.13 0.35 121.18 1910.59 922.10 09:50:18 10.48 0.49 8.90 1.09 18.51 2153.86 2134.05 Average: 7.45 0.81 6.16 0.49 47.60 1386.46 1029.85 09:20:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 12941144 15504104 468560 2.86 101804 2649756 986968 5.67 367700 2733760 252 09:40:15 11000452 14231404 1729296 10.56 125932 3244792 2364588 13.57 544176 4454848 58900 09:50:18 9335620 13385028 2568108 15.68 159796 3950988 2775028 15.93 740128 5828716 232396 Average: 11092405 14373512 1588655 9.70 129177 3281845 2042195 11.72 550668 4339108 97183 09:20:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:30:01 ens3 6.87 5.55 100.91 0.74 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:15 lo 0.54 0.54 0.05 0.05 0.00 0.00 0.00 0.00 09:40:15 ens3 74.34 61.48 623.54 17.26 0.00 0.00 0.00 0.00 09:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:18 lo 1.45 1.45 0.15 0.15 0.00 0.00 0.00 0.00 09:50:18 ens3 74.15 55.70 113.47 17.48 0.00 0.00 0.00 0.00 09:50:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.71 0.71 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 52.45 41.45 283.64 11.99 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-26648) 06/11/26 _x86_64_ (4 CPU) 09:10:29 LINUX RESTART (4 CPU) 09:20:20 CPU %user %nice %system %iowait %steal %idle 09:30:01 all 0.25 0.00 0.04 0.04 0.01 99.66 09:30:01 0 0.26 0.00 0.09 0.02 0.01 99.63 09:30:01 1 0.02 0.00 0.02 0.01 0.01 99.94 09:30:01 2 0.12 0.00 0.04 0.09 0.01 99.74 09:30:01 3 0.61 0.00 0.01 0.03 0.01 99.33 09:40:15 all 28.87 0.00 0.91 0.04 0.05 70.12 09:40:15 0 28.47 0.00 1.02 0.04 0.06 70.41 09:40:15 1 29.59 0.00 0.96 0.07 0.05 69.32 09:40:15 2 28.87 0.00 0.87 0.02 0.06 70.19 09:40:15 3 28.57 0.00 0.78 0.02 0.05 70.57 09:50:18 all 71.16 0.00 2.29 0.04 0.11 26.40 09:50:18 0 71.29 0.00 2.40 0.03 0.11 26.17 09:50:18 1 71.24 0.00 2.33 0.06 0.11 26.27 09:50:18 2 70.79 0.00 2.57 0.05 0.11 26.47 09:50:18 3 71.33 0.00 1.84 0.03 0.10 26.69 Average: all 33.75 0.00 1.09 0.04 0.06 65.07 Average: 0 33.66 0.00 1.18 0.03 0.06 65.07 Average: 1 33.95 0.00 1.11 0.05 0.06 64.83 Average: 2 33.58 0.00 1.17 0.05 0.06 65.13 Average: 3 33.80 0.00 0.89 0.03 0.06 65.22