---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-52819 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 10G 68G 13% / 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 660 10833 4 4494 14986 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:75:ff:a3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.29/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84840sec preferred_lft 84840sec inet6 fe80::f816:3eff:fe75:ffa3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:4c:4f:11:79:35 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-52819) 03/25/26 _x86_64_ (4 CPU) 17:08:28 LINUX RESTART (4 CPU) 17:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:20:16 41.64 3.62 32.90 5.12 376.76 5119.19 18133.30 17:30:16 44.22 0.31 35.81 8.10 11.84 4294.01 6560.63 Average: 42.92 1.98 34.34 6.59 196.58 4711.76 12419.34 17:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:20:16 10641444 13978068 1980952 12.10 148620 3324712 2172408 12.47 614952 4723704 23928 17:30:16 11145776 15385400 567180 3.46 210604 4087860 1108152 6.36 880092 3872280 172 Average: 10893610 14681734 1274066 7.78 179612 3706286 1640280 9.42 747522 4297992 12050 17:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:20:16 lo 2509.29 2509.29 2393.12 2393.12 0.00 0.00 0.00 0.00 17:20:16 ens3 150.16 114.97 1007.84 25.93 0.00 0.00 0.00 0.00 17:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:16 lo 3570.54 3570.54 3399.32 3399.32 0.00 0.00 0.00 0.00 17:30:16 ens3 110.24 92.08 116.03 75.34 0.00 0.00 0.00 0.00 17:30:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3033.28 3033.28 2889.93 2889.93 0.00 0.00 0.00 0.00 Average: ens3 130.45 103.67 567.51 50.33 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-52819) 03/25/26 _x86_64_ (4 CPU) 17:08:28 LINUX RESTART (4 CPU) 17:10:01 CPU %user %nice %system %iowait %steal %idle 17:20:16 all 43.46 0.00 2.83 0.15 0.08 53.48 17:20:16 0 42.40 0.00 2.98 0.22 0.08 54.32 17:20:16 1 42.21 0.00 3.01 0.16 0.08 54.54 17:20:16 2 45.26 0.00 2.63 0.11 0.08 51.91 17:20:16 3 43.95 0.00 2.70 0.11 0.08 53.16 17:30:16 all 56.07 0.00 3.41 0.11 0.09 40.32 17:30:16 0 53.98 0.00 3.06 0.09 0.09 42.79 17:30:16 1 54.54 0.00 3.55 0.13 0.09 41.69 17:30:16 2 58.94 0.00 3.46 0.10 0.09 37.41 17:30:16 3 56.83 0.00 3.58 0.10 0.09 39.40 Average: all 49.68 0.00 3.12 0.13 0.08 46.99 Average: 0 48.12 0.00 3.02 0.16 0.08 48.63 Average: 1 48.30 0.00 3.28 0.15 0.08 48.19 Average: 2 52.00 0.00 3.04 0.11 0.09 44.76 Average: 3 50.31 0.00 3.13 0.11 0.08 46.37