---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53129 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 11G 67G 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 602 10547 4 4840 15044 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:5d:1e:1f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.136/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84729sec preferred_lft 84729sec inet6 fe80::f816:3eff:fe5d:1e1f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:b6:0f:af:d7:33 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-53129) 03/26/26 _x86_64_ (4 CPU) 11:02:26 LINUX RESTART (4 CPU) 11:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:20:10 16.28 0.03 3.22 13.03 1.47 3076.23 231429.75 11:30:10 5.97 0.06 5.05 0.86 7.89 2872.85 2812.15 Average: 11.17 0.04 4.13 6.99 4.66 2975.35 118032.85 11:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:20:10 7760928 12074244 3883580 23.72 126096 4303768 3952028 22.68 573324 7624896 12792 11:30:10 10780800 15381712 574148 3.51 131016 4572960 1108764 6.36 592164 4595760 13412 Average: 9270864 13727978 2228864 13.61 128556 4438364 2530396 14.52 582744 6110328 13102 11:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:20:10 lo 1.73 1.73 0.26 0.26 0.00 0.00 0.00 0.00 11:20:10 ens3 0.48 0.20 0.12 0.09 0.00 0.00 0.00 0.00 11:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:10 lo 1.23 1.23 0.13 0.13 0.00 0.00 0.00 0.00 11:30:10 ens3 2.86 2.48 2.04 1.46 0.00 0.00 0.00 0.00 11:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.48 1.48 0.19 0.19 0.00 0.00 0.00 0.00 Average: ens3 1.66 1.33 1.07 0.77 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-53129) 03/26/26 _x86_64_ (4 CPU) 11:02:26 LINUX RESTART (4 CPU) 11:10:01 CPU %user %nice %system %iowait %steal %idle 11:20:10 all 1.99 0.00 0.16 0.44 0.02 97.39 11:20:10 0 1.57 0.00 0.14 0.34 0.02 97.93 11:20:10 1 2.09 0.00 0.19 0.27 0.02 97.41 11:20:10 2 2.52 0.00 0.18 0.98 0.02 96.30 11:20:10 3 1.77 0.00 0.13 0.15 0.02 97.93 11:30:10 all 3.33 0.00 0.29 0.99 0.03 95.36 11:30:10 0 6.39 0.00 0.42 2.63 0.03 90.53 11:30:10 1 1.95 0.00 0.17 0.84 0.03 97.02 11:30:10 2 2.19 0.00 0.28 0.19 0.03 97.31 11:30:10 3 2.80 0.00 0.27 0.31 0.03 96.59 Average: all 2.65 0.00 0.22 0.71 0.03 96.39 Average: 0 3.96 0.00 0.28 1.48 0.03 94.26 Average: 1 2.02 0.00 0.18 0.55 0.02 97.22 Average: 2 2.36 0.00 0.23 0.59 0.03 96.80 Average: 3 2.28 0.00 0.20 0.23 0.02 97.27