---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10520 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 696 10754 4 4537 14949 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:cf:3d:ed brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.128/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84882sec preferred_lft 84882sec inet6 fe80::f816:3eff:fecf:3ded/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:62:bd:ad:94:d3 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-10520) 02/14/26 _x86_64_ (4 CPU) 21:55:38 LINUX RESTART (4 CPU) 22:00:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:10 52.57 3.12 41.38 8.07 754.86 5178.86 36739.43 22:20:01 28.07 0.16 23.72 4.20 6.71 3127.83 8537.52 Average: 40.37 1.64 32.59 6.14 382.36 4157.68 22698.08 22:00:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:10 10267432 13934456 2022412 12.35 163572 3613844 2252576 12.93 801268 4907440 86612 22:20:01 11101492 15383964 568800 3.47 198348 4146248 1115080 6.40 985252 3811000 888 Average: 10684462 14659210 1295606 7.91 180960 3880046 1683828 9.67 893260 4359220 43750 22:00:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:10 lo 4099.19 4099.19 3907.34 3907.34 0.00 0.00 0.00 0.00 22:10:10 ens3 154.49 117.53 951.64 31.58 0.00 0.00 0.00 0.00 22:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:01 lo 2047.14 2047.14 1935.41 1935.41 0.00 0.00 0.00 0.00 22:20:01 ens3 133.38 120.72 131.72 185.17 0.00 0.00 0.00 0.00 22:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3077.50 3077.50 2925.54 2925.54 0.00 0.00 0.00 0.00 Average: ens3 143.98 119.12 543.41 108.05 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-10520) 02/14/26 _x86_64_ (4 CPU) 21:55:38 LINUX RESTART (4 CPU) 22:00:14 CPU %user %nice %system %iowait %steal %idle 22:10:10 all 65.87 0.00 3.96 0.19 0.12 29.86 22:10:10 0 65.40 0.00 3.73 0.32 0.12 30.43 22:10:10 1 65.39 0.00 4.04 0.14 0.12 30.31 22:10:10 2 65.67 0.00 4.04 0.16 0.12 30.02 22:10:10 3 67.03 0.00 4.03 0.14 0.12 28.68 22:20:01 all 38.94 0.00 2.14 0.12 0.09 58.70 22:20:01 0 31.46 0.00 2.27 0.12 0.09 66.07 22:20:01 1 43.20 0.00 2.32 0.17 0.09 54.22 22:20:01 2 39.38 0.00 1.94 0.05 0.09 58.55 22:20:01 3 41.77 0.00 2.04 0.13 0.10 55.96 Average: all 52.44 0.00 3.06 0.15 0.10 44.25 Average: 0 48.45 0.00 3.00 0.22 0.10 48.23 Average: 1 54.33 0.00 3.18 0.15 0.11 42.23 Average: 2 52.55 0.00 2.99 0.10 0.10 44.25 Average: 3 54.44 0.00 3.04 0.14 0.11 42.27