---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-471297 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: 5600.00 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 13G 66G 16% / 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 673 8387 4 6928 14973 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:f0:86:0a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.129/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84612sec preferred_lft 84612sec inet6 fe80::f816:3eff:fef0:860a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:62:36:08:04:54 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-471297) 03/14/26 _x86_64_ (4 CPU) 11:24:02 LINUX RESTART (4 CPU) 11:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:40:31 26.36 0.03 23.52 2.82 0.60 2266.27 25301.87 11:50:42 21.53 0.03 19.51 1.99 0.38 4088.09 21930.24 Average: 23.98 0.03 21.54 2.41 0.49 3163.19 23641.94 11:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:40:31 8966584 13037084 2918728 17.83 147720 4028264 3252328 18.67 917688 6076400 87652 11:50:42 5258872 10279620 5672252 34.64 163552 4922432 5423032 31.13 1213472 9411252 140 Average: 7112728 11658352 4295490 26.24 155636 4475348 4337680 24.90 1065580 7743826 43896 11:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:40:31 lo 1443.90 1443.90 1370.32 1370.32 0.00 0.00 0.00 0.00 11:40:31 ens3 25.47 22.26 20.47 7.01 0.00 0.00 0.00 0.00 11:40:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:42 lo 981.80 981.80 5155.66 5155.66 0.00 0.00 0.00 0.00 11:50:42 ens3 22.70 19.12 42.94 6.04 0.00 0.00 0.00 0.00 11:50:42 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1216.40 1216.40 3233.92 3233.92 0.00 0.00 0.00 0.00 Average: ens3 24.11 20.72 31.53 6.53 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-471297) 03/14/26 _x86_64_ (4 CPU) 11:24:02 LINUX RESTART (4 CPU) 11:30:01 CPU %user %nice %system %iowait %steal %idle 11:40:31 all 66.66 0.00 2.34 0.09 0.10 30.80 11:40:31 0 67.70 0.00 2.16 0.07 0.10 29.97 11:40:31 1 67.76 0.00 2.45 0.09 0.10 29.60 11:40:31 2 65.83 0.00 2.43 0.12 0.11 31.52 11:40:31 3 65.36 0.00 2.32 0.10 0.11 32.12 11:50:42 all 53.21 0.00 1.92 0.15 0.09 44.63 11:50:42 0 50.96 0.00 1.81 0.22 0.09 46.92 11:50:42 1 54.74 0.00 1.85 0.10 0.09 43.22 11:50:42 2 57.35 0.00 1.83 0.06 0.09 40.67 11:50:42 3 49.81 0.00 2.17 0.20 0.09 47.72 Average: all 60.04 0.00 2.13 0.12 0.10 37.61 Average: 0 59.46 0.00 1.98 0.15 0.10 38.31 Average: 1 61.35 0.00 2.15 0.09 0.10 36.31 Average: 2 61.66 0.00 2.13 0.09 0.10 36.02 Average: 3 57.70 0.00 2.25 0.15 0.10 39.81