---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23710 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 662 10522 4 4805 14984 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:1f:40:36 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.179/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84791sec preferred_lft 84791sec inet6 fe80::f816:3eff:fe1f:4036/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:b6:60:9c:92:ce 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-23710) 06/04/26 _x86_64_ (4 CPU) 17:07:50 LINUX RESTART (4 CPU) 17:10:22 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:20:22 15.83 2.30 12.44 1.09 139.83 3280.36 2052.38 17:30:15 29.09 0.80 24.05 4.24 27.29 4212.17 5518.84 Average: 22.42 1.56 18.21 2.66 83.88 3743.61 3775.73 17:10:22 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:20:22 10142160 13651536 2306904 14.09 141516 3472580 2567576 14.74 617660 5207684 45540 17:30:15 10826548 15387252 564220 3.45 173160 4420472 1112804 6.39 895344 4146624 12 Average: 10484354 14519394 1435562 8.77 157338 3946526 1840190 10.56 756502 4677154 22776 17:10:22 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:20:22 lo 1.38 1.38 0.14 0.14 0.00 0.00 0.00 0.00 17:20:22 ens3 103.00 82.16 595.03 20.96 0.00 0.00 0.00 0.00 17:20:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:15 lo 1623.37 1623.37 1543.14 1543.14 0.00 0.00 0.00 0.00 17:30:15 ens3 92.05 74.43 411.95 69.23 0.00 0.00 0.00 0.00 17:30:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 807.75 807.75 767.24 767.24 0.00 0.00 0.00 0.00 Average: ens3 97.56 78.32 504.01 44.96 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-23710) 06/04/26 _x86_64_ (4 CPU) 17:07:50 LINUX RESTART (4 CPU) 17:10:22 CPU %user %nice %system %iowait %steal %idle 17:20:22 all 72.39 0.00 2.32 0.09 0.12 25.08 17:20:22 0 73.77 0.00 2.54 0.09 0.12 23.48 17:20:22 1 71.33 0.00 2.13 0.04 0.12 26.38 17:20:22 2 72.27 0.00 2.16 0.07 0.12 25.39 17:20:22 3 72.21 0.00 2.43 0.17 0.12 25.08 17:30:15 all 57.90 0.00 2.49 0.08 0.10 39.42 17:30:15 0 58.26 0.00 2.15 0.06 0.10 39.43 17:30:15 1 56.52 0.00 2.44 0.15 0.10 40.79 17:30:15 2 57.15 0.00 2.91 0.06 0.10 39.79 17:30:15 3 59.68 0.00 2.47 0.07 0.10 37.68 Average: all 65.19 0.00 2.40 0.09 0.11 32.21 Average: 0 66.06 0.00 2.35 0.07 0.11 31.41 Average: 1 63.97 0.00 2.28 0.09 0.11 33.55 Average: 2 64.75 0.00 2.53 0.06 0.11 32.55 Average: 3 65.97 0.00 2.45 0.12 0.11 31.35