---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-52715 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 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 707 9685 4 5596 14939 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:06:63:06 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.154/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84419sec preferred_lft 84419sec inet6 fe80::f816:3eff:fe06:6306/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:2e:05:06:7c:d4 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-52715) 03/25/26 _x86_64_ (4 CPU) 12:33:44 LINUX RESTART (4 CPU) 12:40:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:11 26.49 0.50 23.39 2.60 16.60 3623.15 9188.90 13:00:11 43.32 0.05 26.36 16.92 1.71 5960.95 248045.38 Average: 34.90 0.27 24.87 9.76 9.15 4792.03 128615.15 12:40:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:11 8858680 12744000 3211516 19.61 162540 3803872 3385440 19.43 756596 6326756 174076 13:00:11 7955792 13087468 2862196 17.48 188004 4959968 3212960 18.44 1030052 6888728 32944 Average: 8407236 12915734 3036856 18.55 175272 4381920 3299200 18.94 893324 6607742 103510 12:40:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:11 lo 1225.13 1225.13 1167.88 1167.88 0.00 0.00 0.00 0.00 12:50:11 ens3 66.43 51.45 329.11 14.45 0.00 0.00 0.00 0.00 12:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:11 lo 977.41 977.41 930.99 930.99 0.00 0.00 0.00 0.00 13:00:11 ens3 64.53 48.56 234.94 13.43 0.00 0.00 0.00 0.00 13:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1101.27 1101.27 1049.44 1049.44 0.00 0.00 0.00 0.00 Average: ens3 65.48 50.00 282.02 13.94 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-52715) 03/25/26 _x86_64_ (4 CPU) 12:33:44 LINUX RESTART (4 CPU) 12:40:11 CPU %user %nice %system %iowait %steal %idle 12:50:11 all 65.89 0.00 2.44 0.43 0.14 31.11 12:50:11 0 63.23 0.00 2.31 0.59 0.14 33.74 12:50:11 1 63.75 0.00 2.56 0.18 0.14 33.37 12:50:11 2 68.63 0.00 2.57 0.18 0.14 28.48 12:50:11 3 67.95 0.00 2.31 0.77 0.14 28.84 13:00:11 all 58.52 0.00 2.31 0.45 0.12 38.60 13:00:11 0 55.95 0.00 2.08 0.30 0.12 41.53 13:00:11 1 56.38 0.00 2.60 0.71 0.12 40.19 13:00:11 2 60.35 0.00 2.20 0.39 0.12 36.95 13:00:11 3 61.38 0.00 2.37 0.39 0.12 35.73 Average: all 62.20 0.00 2.38 0.44 0.13 34.86 Average: 0 59.59 0.00 2.20 0.45 0.13 37.64 Average: 1 60.06 0.00 2.58 0.45 0.13 36.78 Average: 2 64.49 0.00 2.39 0.28 0.13 32.72 Average: 3 64.66 0.00 2.34 0.58 0.13 32.29