---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9439 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 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 691 9562 4 5735 14955 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:13:fd:a7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.87/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84144sec preferred_lft 84144sec inet6 fe80::f816:3eff:fe13:fda7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:f3:bb:8b:5f:90 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-9439) 04/28/26 _x86_64_ (4 CPU) 20:24:22 LINUX RESTART (4 CPU) 20:30:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:09 32.51 0.44 27.41 4.66 13.96 4369.83 16110.87 20:50:10 46.84 0.00 37.13 9.71 0.41 2510.08 19513.95 21:00:10 21.50 0.30 17.85 3.35 11.74 4227.05 4624.32 Average: 33.62 0.25 27.47 5.91 8.70 3701.72 13418.17 20:30:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:09 9065236 13259936 2693020 16.45 188872 4060272 2936524 16.86 767472 6071648 109860 20:50:10 8894380 13348336 2601188 15.89 212124 4265160 2794392 16.04 851292 6124848 38804 21:00:10 9886524 15392196 552728 3.38 240020 5236020 1106456 6.35 1205688 4709896 204 Average: 9282047 14000156 1948979 11.90 213672 4520484 2279124 13.08 941484 5635464 49623 20:30:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:09 lo 2127.30 2127.30 2028.38 2028.38 0.00 0.00 0.00 0.00 20:40:09 ens3 92.26 66.74 322.30 20.22 0.00 0.00 0.00 0.00 20:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:10 lo 4939.87 4939.87 4710.64 4710.64 0.00 0.00 0.00 0.00 20:50:10 ens3 76.41 55.44 25.76 19.11 0.00 0.00 0.00 0.00 20:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:10 lo 1384.35 1384.35 1300.53 1300.53 0.00 0.00 0.00 0.00 21:00:10 ens3 122.28 122.45 123.74 217.61 0.00 0.00 0.00 0.00 21:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2818.13 2818.13 2680.76 2680.76 0.00 0.00 0.00 0.00 Average: ens3 96.98 81.53 157.19 85.64 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-9439) 04/28/26 _x86_64_ (4 CPU) 20:24:22 LINUX RESTART (4 CPU) 20:30:10 CPU %user %nice %system %iowait %steal %idle 20:40:09 all 64.71 0.00 3.03 0.73 0.11 31.42 20:40:09 0 64.69 0.00 2.63 0.25 0.11 32.32 20:40:09 1 66.39 0.00 3.21 1.29 0.11 28.99 20:40:09 2 62.79 0.00 3.13 0.95 0.10 33.03 20:40:09 3 64.98 0.00 3.14 0.42 0.11 31.35 20:50:10 all 58.43 0.00 3.95 2.33 0.12 35.16 20:50:10 0 58.14 0.00 3.89 1.00 0.12 36.84 20:50:10 1 58.84 0.00 4.18 3.63 0.12 33.23 20:50:10 2 58.20 0.00 3.83 1.23 0.13 36.62 20:50:10 3 58.56 0.00 3.91 3.47 0.12 33.94 21:00:10 all 41.82 0.00 2.09 0.37 0.10 55.63 21:00:10 0 42.87 0.00 2.09 0.42 0.10 54.51 21:00:10 1 37.86 0.00 2.01 0.26 0.09 59.78 21:00:10 2 45.58 0.00 2.15 0.27 0.10 51.89 21:00:10 3 40.96 0.00 2.09 0.54 0.10 56.32 Average: all 54.97 0.00 3.02 1.14 0.11 40.75 Average: 0 55.22 0.00 2.87 0.56 0.11 41.23 Average: 1 54.34 0.00 3.13 1.72 0.11 40.70 Average: 2 55.51 0.00 3.04 0.82 0.11 40.52 Average: 3 54.82 0.00 3.04 1.47 0.11 40.56