---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-32814 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 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 649 9962 4 5377 14997 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:cc:74:fa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.4/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85068sec preferred_lft 85068sec inet6 fe80::f816:3eff:fecc:74fa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:bd:c7:39:d8:90 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-32814) 07/04/26 _x86_64_ (4 CPU) 05:28:40 LINUX RESTART (4 CPU) 05:30:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:25 15.87 3.05 12.23 0.59 151.21 3847.58 1009.34 05:50:12 22.00 0.70 18.22 3.09 76.53 7191.87 1468.83 Average: 18.88 1.89 15.17 1.82 114.52 5490.69 1235.10 05:30:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:25 10439196 13650504 2310384 14.11 140304 3204844 2697752 15.49 571660 4995036 28236 05:50:12 10296512 15432020 519712 3.17 182832 4987172 1037200 5.95 978648 4582872 4424 Average: 10367854 14541262 1415048 8.64 161568 4096008 1867476 10.72 775154 4788954 16330 05:30:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:25 lo 2.49 2.49 0.21 0.21 0.00 0.00 0.00 0.00 05:40:25 ens3 84.10 68.42 499.71 14.85 0.00 0.00 0.00 0.00 05:40:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:12 lo 2.09 2.09 0.18 0.18 0.00 0.00 0.00 0.00 05:50:12 ens3 138.53 115.83 620.21 99.88 0.00 0.00 0.00 0.00 05:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.29 2.29 0.19 0.19 0.00 0.00 0.00 0.00 Average: ens3 110.84 91.71 558.91 56.63 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-32814) 07/04/26 _x86_64_ (4 CPU) 05:28:40 LINUX RESTART (4 CPU) 05:30:16 CPU %user %nice %system %iowait %steal %idle 05:40:25 all 58.03 0.00 1.83 0.06 0.10 39.99 05:40:25 0 58.87 0.00 1.61 0.03 0.09 39.39 05:40:25 1 56.57 0.00 1.69 0.06 0.10 41.58 05:40:25 2 57.87 0.00 2.00 0.08 0.10 39.96 05:40:25 3 58.79 0.00 2.03 0.06 0.10 39.02 05:50:12 all 56.36 0.00 2.16 0.13 0.10 41.25 05:50:12 0 57.59 0.00 2.15 0.15 0.10 40.01 05:50:12 1 57.43 0.00 2.13 0.17 0.10 40.17 05:50:12 2 54.00 0.00 2.09 0.04 0.10 43.78 05:50:12 3 56.41 0.00 2.26 0.17 0.10 41.06 Average: all 57.21 0.00 1.99 0.09 0.10 40.61 Average: 0 58.24 0.00 1.88 0.08 0.10 39.70 Average: 1 57.00 0.00 1.91 0.11 0.10 40.89 Average: 2 55.97 0.00 2.04 0.06 0.10 41.84 Average: 3 57.62 0.00 2.14 0.12 0.10 40.02