---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37147 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 677 10504 4 4807 14969 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:21:7e:78 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.160/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84434sec preferred_lft 84434sec inet6 fe80::f816:3eff:fe21:7e78/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:ac:70:b3:93:11 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-37147) 03/25/26 _x86_64_ (4 CPU) 09:12:08 LINUX RESTART (4 CPU) 09:20:55 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:01 14.72 2.22 11.46 1.03 143.05 3334.49 212.31 09:40:17 32.62 1.03 27.24 4.35 34.10 4564.28 12381.78 Average: 24.20 1.59 19.82 2.79 85.32 3986.15 6660.86 09:20:55 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 10718996 14030192 1929360 11.78 140088 3293664 2309308 13.26 578908 4690980 12944 09:40:17 10829320 15391476 559704 3.42 179524 4413172 1105160 6.34 915100 4126548 27008 Average: 10774158 14710834 1244532 7.60 159806 3853418 1707234 9.80 747004 4408764 19976 09:20:55 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:01 lo 1.35 1.35 0.14 0.14 0.00 0.00 0.00 0.00 09:30:01 ens3 94.93 77.23 653.21 19.35 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:17 lo 1588.76 1588.76 1512.72 1512.72 0.00 0.00 0.00 0.00 09:40:17 ens3 84.92 65.93 417.81 38.46 0.00 0.00 0.00 0.00 09:40:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 842.51 842.51 801.65 801.65 0.00 0.00 0.00 0.00 Average: ens3 89.63 71.24 528.47 29.47 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-37147) 03/25/26 _x86_64_ (4 CPU) 09:12:08 LINUX RESTART (4 CPU) 09:20:55 CPU %user %nice %system %iowait %steal %idle 09:30:01 all 72.38 0.00 2.29 0.05 0.12 25.17 09:30:01 0 72.06 0.00 2.19 0.10 0.12 25.54 09:30:01 1 71.57 0.00 2.09 0.03 0.12 26.19 09:30:01 2 73.21 0.00 2.39 0.02 0.12 24.26 09:30:01 3 72.69 0.00 2.48 0.03 0.12 24.68 09:40:17 all 65.41 0.00 2.71 0.07 0.11 31.70 09:40:17 0 64.34 0.00 2.54 0.07 0.11 32.94 09:40:17 1 62.51 0.00 2.54 0.10 0.11 34.74 09:40:17 2 68.45 0.00 3.04 0.07 0.11 28.32 09:40:17 3 66.33 0.00 2.73 0.04 0.11 30.79 Average: all 68.69 0.00 2.51 0.06 0.11 28.63 Average: 0 67.97 0.00 2.37 0.08 0.11 29.46 Average: 1 66.77 0.00 2.33 0.07 0.11 30.72 Average: 2 70.69 0.00 2.73 0.05 0.12 26.41 Average: 3 69.32 0.00 2.61 0.04 0.11 27.92