---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15505 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 9.1G 69G 12% / 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 591 11941 4 3456 15054 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:62:51:e4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.235/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84897sec preferred_lft 84897sec inet6 fe80::f816:3eff:fe62:51e4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:10:33:74:a0:69 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-15505) 03/23/26 _x86_64_ (4 CPU) 19:06:49 LINUX RESTART (4 CPU) 19:10:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:03 28.25 14.87 12.70 0.68 291.31 3052.19 640.17 19:30:03 3.37 0.06 3.20 0.10 6.69 457.99 32.01 Average: 15.81 7.47 7.95 0.39 149.00 1755.09 336.09 19:10:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:03 10736008 13770520 2191840 13.39 114420 3076020 2557664 14.68 541696 4755392 1496 19:30:03 9485336 12648040 3313252 20.24 118760 3189948 3511272 20.15 569468 5950392 384 Average: 10110672 13209280 2752546 16.81 116590 3132984 3034468 17.42 555582 5352892 940 19:10:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:03 lo 0.43 0.43 0.04 0.04 0.00 0.00 0.00 0.00 19:20:03 ens3 92.80 68.93 819.30 8.83 0.00 0.00 0.00 0.00 19:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:03 lo 0.56 0.56 0.37 0.37 0.00 0.00 0.00 0.00 19:30:03 ens3 6.71 5.78 35.69 1.39 0.00 0.00 0.00 0.00 19:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.49 0.49 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 49.75 37.35 427.50 5.11 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-15505) 03/23/26 _x86_64_ (4 CPU) 19:06:49 LINUX RESTART (4 CPU) 19:10:03 CPU %user %nice %system %iowait %steal %idle 19:20:03 all 37.84 0.08 0.97 0.56 0.10 60.45 19:20:03 0 35.27 0.11 1.05 0.22 0.10 63.26 19:20:03 1 38.06 0.01 0.83 0.57 0.10 60.43 19:20:03 2 42.26 0.00 0.91 0.83 0.10 55.90 19:20:03 3 35.78 0.19 1.10 0.61 0.10 62.22 19:30:03 all 44.49 0.00 0.58 0.22 0.10 54.61 19:30:03 0 33.56 0.00 0.51 0.19 0.10 65.65 19:30:03 1 44.33 0.00 0.47 0.03 0.10 55.07 19:30:03 2 49.73 0.00 0.64 0.42 0.10 49.10 19:30:03 3 50.37 0.00 0.70 0.25 0.10 48.58 Average: all 41.17 0.04 0.78 0.39 0.10 57.53 Average: 0 34.41 0.05 0.78 0.20 0.10 64.46 Average: 1 41.19 0.01 0.65 0.30 0.10 57.75 Average: 2 45.99 0.00 0.78 0.63 0.10 52.50 Average: 3 43.08 0.09 0.90 0.43 0.10 55.40