---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6405 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 719 9464 4 5804 14927 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:27:bb:0a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.144/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84437sec preferred_lft 84437sec inet6 fe80::f816:3eff:fe27:bb0a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:c8:c8:a3:1c:6b 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-6405) 03/20/26 _x86_64_ (4 CPU) 12:35:29 LINUX RESTART (4 CPU) 12:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:18 29.22 1.04 25.73 2.44 415.50 4209.21 16736.04 13:00:17 34.53 0.06 31.31 3.16 1.70 6046.98 17930.91 Average: 31.83 0.56 28.48 2.79 211.74 5114.13 17324.40 12:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:18 8710964 12801360 3153632 19.26 161112 4007736 3395156 19.49 878896 6355348 191380 13:00:17 7800784 13140984 2807736 17.15 186984 5167304 3054916 17.54 1161620 6892100 29828 Average: 8255874 12971172 2980684 18.20 174048 4587520 3225036 18.51 1020258 6623724 110604 12:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:18 lo 982.73 982.73 936.37 936.37 0.00 0.00 0.00 0.00 12:50:18 ens3 79.16 54.56 450.87 14.75 0.00 0.00 0.00 0.00 12:50:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:17 lo 1208.46 1208.46 1151.53 1151.53 0.00 0.00 0.00 0.00 13:00:17 ens3 52.28 39.14 233.40 11.74 0.00 0.00 0.00 0.00 13:00:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1093.88 1093.88 1042.31 1042.31 0.00 0.00 0.00 0.00 Average: ens3 65.92 46.97 343.79 13.27 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-6405) 03/20/26 _x86_64_ (4 CPU) 12:35:29 LINUX RESTART (4 CPU) 12:40:01 CPU %user %nice %system %iowait %steal %idle 12:50:18 all 62.78 0.00 2.37 0.75 0.15 33.95 12:50:18 0 61.05 0.00 2.59 0.20 0.15 36.02 12:50:18 1 61.17 0.00 2.59 0.88 0.15 35.21 12:50:18 2 64.43 0.00 2.38 1.42 0.16 31.62 12:50:18 3 64.48 0.00 1.93 0.51 0.15 32.93 13:00:17 all 54.29 0.00 2.40 1.19 0.13 41.98 13:00:17 0 55.60 0.00 1.98 0.37 0.13 41.91 13:00:17 1 51.15 0.00 2.34 1.02 0.14 45.35 13:00:17 2 54.92 0.00 2.91 1.96 0.13 40.07 13:00:17 3 55.49 0.00 2.38 1.41 0.14 40.58 Average: all 58.60 0.00 2.39 0.97 0.14 37.91 Average: 0 58.36 0.00 2.29 0.28 0.14 38.92 Average: 1 56.23 0.00 2.46 0.95 0.14 40.21 Average: 2 59.75 0.00 2.64 1.68 0.14 35.78 Average: 3 60.05 0.00 2.15 0.96 0.14 36.70