---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-17081 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 68G 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 636 10559 4 4793 15010 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:9d:05:75 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.30/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84085sec preferred_lft 84085sec inet6 fe80::f816:3eff:fe9d:575/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:92:79:a2:ad:c4 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-17081) 05/20/26 _x86_64_ (4 CPU) 10:52:52 LINUX RESTART (4 CPU) 11:00:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:10:04 1.44 0.01 1.42 0.01 0.19 17.05 309.17 11:20:04 1.35 0.00 1.35 0.00 0.01 15.17 0.00 11:30:04 57.52 5.11 49.96 2.45 290.91 8087.84 4472.32 Average: 20.10 1.71 17.58 0.82 97.04 2706.69 1593.83 11:00:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:10:04 13541760 15509480 506880 3.10 57372 2135560 1138784 6.54 333028 2242616 164 11:20:04 13541800 15510256 506228 3.09 57960 2135704 1138848 6.54 333620 2243628 168 11:30:04 10829724 15380732 577644 3.53 128780 4540844 1095164 6.29 915144 4223204 324396 Average: 12637761 15466823 530251 3.24 81371 2937369 1124265 6.45 527264 2903149 108243 11:00:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:10:04 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:10:04 ens3 0.36 0.13 0.09 0.04 0.00 0.00 0.00 0.00 11:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:04 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:20:04 ens3 0.26 0.07 0.04 0.02 0.00 0.00 0.00 0.00 11:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:04 lo 364.97 364.97 341.81 341.81 0.00 0.00 0.00 0.00 11:30:04 ens3 151.38 118.91 1216.13 120.01 0.00 0.00 0.00 0.00 11:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 121.72 121.72 113.94 113.94 0.00 0.00 0.00 0.00 Average: ens3 50.67 39.71 405.42 40.02 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-17081) 05/20/26 _x86_64_ (4 CPU) 10:52:52 LINUX RESTART (4 CPU) 11:00:04 CPU %user %nice %system %iowait %steal %idle 11:10:04 all 0.20 0.00 0.03 0.01 0.02 99.74 11:10:04 0 0.03 0.00 0.04 0.02 0.03 99.88 11:10:04 1 0.02 0.00 0.03 0.02 0.02 99.92 11:10:04 2 0.03 0.00 0.03 0.00 0.03 99.91 11:10:04 3 0.72 0.00 0.02 0.00 0.02 99.24 11:20:04 all 0.21 0.00 0.03 0.01 0.02 99.73 11:20:04 0 0.03 0.00 0.03 0.03 0.02 99.89 11:20:04 1 0.66 0.00 0.03 0.00 0.02 99.29 11:20:04 2 0.14 0.00 0.04 0.00 0.03 99.79 11:20:04 3 0.03 0.00 0.01 0.00 0.01 99.94 11:30:04 all 47.19 0.00 1.99 0.36 0.09 50.37 11:30:04 0 43.61 0.00 1.73 0.54 0.09 54.04 11:30:04 1 45.91 0.00 1.73 0.25 0.09 52.02 11:30:04 2 51.78 0.00 2.30 0.46 0.09 45.38 11:30:04 3 47.48 0.00 2.20 0.20 0.10 50.03 Average: all 15.83 0.00 0.68 0.13 0.05 83.32 Average: 0 14.54 0.00 0.60 0.19 0.05 84.62 Average: 1 15.47 0.00 0.59 0.09 0.05 83.80 Average: 2 17.27 0.00 0.79 0.15 0.05 81.74 Average: 3 16.03 0.00 0.74 0.07 0.04 83.12