---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6746 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 747 9348 4 5893 14899 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:67:2f:3f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.72/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84759sec preferred_lft 84759sec inet6 fe80::f816:3eff:fe67:2f3f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:57:74:57:44:35 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-6746) 03/21/26 _x86_64_ (4 CPU) 23:05:03 LINUX RESTART (4 CPU) 23:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:20:01 35.33 0.79 31.14 3.40 395.66 4653.21 27038.88 23:30:02 28.03 0.04 25.06 2.93 1.50 6032.97 8927.87 Average: 31.67 0.41 28.09 3.16 198.23 5344.31 17967.37 23:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:20:01 8957392 13093364 2859936 17.47 161556 4056364 3090768 17.74 888448 6094804 112392 23:30:02 7530084 12962336 2984748 18.23 189308 5257256 3345976 19.21 1173972 7160896 36376 Average: 8243738 13027850 2922342 17.85 175432 4656810 3218372 18.47 1031210 6627850 74384 23:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:20:01 lo 1343.08 1343.08 1280.41 1280.41 0.00 0.00 0.00 0.00 23:20:01 ens3 77.60 56.22 538.46 11.25 0.00 0.00 0.00 0.00 23:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:30:02 lo 806.02 806.02 767.21 767.21 0.00 0.00 0.00 0.00 23:30:02 ens3 46.96 38.28 230.35 10.27 0.00 0.00 0.00 0.00 23:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1074.07 1074.07 1023.35 1023.35 0.00 0.00 0.00 0.00 Average: ens3 62.25 47.24 384.13 10.76 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-6746) 03/21/26 _x86_64_ (4 CPU) 23:05:03 LINUX RESTART (4 CPU) 23:10:02 CPU %user %nice %system %iowait %steal %idle 23:20:01 all 65.21 0.00 2.63 0.32 0.10 31.74 23:20:01 0 62.70 0.00 2.74 0.37 0.10 34.09 23:20:01 1 66.01 0.00 2.82 0.34 0.10 30.73 23:20:01 2 65.44 0.00 2.65 0.30 0.10 31.51 23:20:01 3 66.68 0.00 2.30 0.28 0.10 30.64 23:30:02 all 60.62 0.00 2.13 0.21 0.09 36.94 23:30:02 0 60.49 0.00 2.01 0.22 0.09 37.19 23:30:02 1 61.49 0.00 2.28 0.18 0.09 35.97 23:30:02 2 59.92 0.00 2.10 0.27 0.09 37.62 23:30:02 3 60.60 0.00 2.15 0.18 0.09 36.97 Average: all 62.91 0.00 2.38 0.27 0.10 34.35 Average: 0 61.59 0.00 2.37 0.29 0.10 35.65 Average: 1 63.74 0.00 2.54 0.26 0.10 33.35 Average: 2 62.67 0.00 2.37 0.28 0.10 34.57 Average: 3 63.64 0.00 2.23 0.23 0.10 33.81