---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2762 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 708 9688 4 5591 14937 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:47:06:18 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.95/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84585sec preferred_lft 84585sec inet6 fe80::f816:3eff:fe47:618/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:f7:48:a4:93:42 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-2762) 04/14/26 _x86_64_ (4 CPU) 12:35:30 LINUX RESTART (4 CPU) 12:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:19 28.16 0.52 24.81 2.83 18.13 3746.07 16574.49 13:00:13 28.41 0.04 25.48 2.90 1.54 5999.24 13244.50 Average: 28.28 0.28 25.14 2.86 9.99 4850.94 14941.59 12:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:19 9047748 12939908 3016024 18.42 157972 3815628 3146616 18.06 744564 6154024 177260 13:00:13 7540984 12665780 3284168 20.06 184424 4957400 3454496 19.83 1022824 7313568 24700 Average: 8294366 12802844 3150096 19.24 171198 4386514 3300556 18.95 883694 6733796 100980 12:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:19 lo 1421.13 1421.13 1355.00 1355.00 0.00 0.00 0.00 0.00 12:50:19 ens3 71.07 51.58 321.30 14.92 0.00 0.00 0.00 0.00 12:50:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:13 lo 756.91 756.91 720.53 720.53 0.00 0.00 0.00 0.00 13:00:13 ens3 60.61 46.97 237.01 13.43 0.00 0.00 0.00 0.00 13:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1095.42 1095.42 1043.88 1043.88 0.00 0.00 0.00 0.00 Average: ens3 65.94 49.32 279.96 14.19 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-2762) 04/14/26 _x86_64_ (4 CPU) 12:35:30 LINUX RESTART (4 CPU) 12:40:01 CPU %user %nice %system %iowait %steal %idle 12:50:19 all 65.73 0.00 2.44 0.16 0.13 31.55 12:50:19 0 66.81 0.00 2.35 0.11 0.13 30.59 12:50:19 1 64.36 0.00 2.42 0.34 0.12 32.75 12:50:19 2 66.44 0.00 2.22 0.08 0.12 31.14 12:50:19 3 65.32 0.00 2.76 0.10 0.13 31.70 13:00:13 all 57.70 0.00 2.14 0.08 0.14 39.94 13:00:13 0 57.42 0.00 2.05 0.09 0.10 40.33 13:00:13 1 61.48 0.00 2.56 0.05 0.10 35.80 13:00:13 2 53.94 0.00 1.97 0.10 0.25 43.73 13:00:13 3 57.98 0.00 1.98 0.06 0.10 39.89 Average: all 61.79 0.00 2.29 0.12 0.13 35.67 Average: 0 62.20 0.00 2.21 0.10 0.11 35.37 Average: 1 62.95 0.00 2.49 0.20 0.11 34.25 Average: 2 60.30 0.00 2.10 0.09 0.19 37.32 Average: 3 61.71 0.00 2.37 0.08 0.11 35.72