---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-428834 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 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 674 10563 4 4751 14972 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:b4:54:4f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.136/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84765sec preferred_lft 84765sec inet6 fe80::f816:3eff:feb4:544f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:7d:7b:c9:90:39 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-428834) 03/10/26 _x86_64_ (4 CPU) 14:56:53 LINUX RESTART (4 CPU) 15:00:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:10:04 14.22 2.01 11.23 0.98 129.22 2918.20 59.11 15:20:08 28.28 0.91 23.21 4.17 29.82 3606.47 12369.37 Average: 21.30 1.45 17.26 2.59 79.17 3264.77 6257.84 15:00:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:10:04 10927872 14122128 1838124 11.23 129432 3198856 2116364 12.15 554036 4523428 25312 15:20:08 10887844 15385820 565984 3.46 172128 4361964 1067336 6.13 907476 4082784 359152 Average: 10907858 14753974 1202054 7.34 150780 3780410 1591850 9.14 730756 4303106 192232 15:00:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:10:04 lo 1.08 1.08 0.11 0.11 0.00 0.00 0.00 0.00 15:10:04 ens3 93.52 75.00 709.71 17.55 0.00 0.00 0.00 0.00 15:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:08 lo 1513.03 1513.03 1442.03 1442.03 0.00 0.00 0.00 0.00 15:20:08 ens3 95.31 70.75 469.86 18.96 0.00 0.00 0.00 0.00 15:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 762.41 762.41 726.17 726.17 0.00 0.00 0.00 0.00 Average: ens3 94.42 72.86 588.94 18.26 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-428834) 03/10/26 _x86_64_ (4 CPU) 14:56:53 LINUX RESTART (4 CPU) 15:00:08 CPU %user %nice %system %iowait %steal %idle 15:10:04 all 53.99 0.00 1.78 0.08 0.08 44.08 15:10:04 0 54.29 0.00 1.75 0.02 0.08 43.87 15:10:04 1 53.16 0.00 1.62 0.05 0.08 45.09 15:10:04 2 54.25 0.00 1.68 0.12 0.08 43.87 15:10:04 3 54.26 0.00 2.07 0.12 0.08 43.48 15:20:08 all 69.99 0.00 2.66 0.08 0.11 27.16 15:20:08 0 69.82 0.00 2.64 0.09 0.11 27.34 15:20:08 1 68.82 0.00 2.69 0.06 0.11 28.31 15:20:08 2 69.86 0.00 2.59 0.08 0.11 27.36 15:20:08 3 71.44 0.00 2.73 0.09 0.12 25.63 Average: all 62.04 0.00 2.22 0.08 0.10 35.56 Average: 0 62.11 0.00 2.20 0.06 0.10 35.54 Average: 1 61.04 0.00 2.16 0.06 0.10 36.65 Average: 2 62.11 0.00 2.13 0.10 0.10 35.57 Average: 3 62.91 0.00 2.40 0.10 0.10 34.49