---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4082 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 9.9G 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 638 11090 4 4260 15008 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:e9:91:3c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.116/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84902sec preferred_lft 84902sec inet6 fe80::f816:3eff:fee9:913c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:47:c9:d9:ab:e7 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-4082) 04/17/26 _x86_64_ (4 CPU) 20:55:42 LINUX RESTART (4 CPU) 21:00:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:09 49.72 2.58 39.26 7.87 145.22 4574.29 5596.82 21:20:15 28.77 0.33 23.26 5.19 14.40 3143.56 6842.96 Average: 39.06 1.44 31.12 6.50 78.62 3845.95 6231.19 21:00:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:09 10537692 13924940 2033812 12.42 162260 3337260 2234280 12.82 600420 4833672 88868 21:20:15 11417344 15419444 534820 3.27 198416 3868508 1085756 6.23 794744 3707120 14432 Average: 10977518 14672192 1284316 7.84 180338 3602884 1660018 9.53 697582 4270396 51650 21:00:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:09 lo 4532.08 4532.08 4322.12 4322.12 0.00 0.00 0.00 0.00 21:10:09 ens3 163.62 117.41 624.46 30.56 0.00 0.00 0.00 0.00 21:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:15 lo 1922.77 1922.77 1817.80 1817.80 0.00 0.00 0.00 0.00 21:20:15 ens3 137.16 124.80 129.65 182.45 0.00 0.00 0.00 0.00 21:20:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3203.76 3203.76 3047.25 3047.25 0.00 0.00 0.00 0.00 Average: ens3 150.15 121.17 372.57 107.88 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-4082) 04/17/26 _x86_64_ (4 CPU) 20:55:42 LINUX RESTART (4 CPU) 21:00:25 CPU %user %nice %system %iowait %steal %idle 21:10:09 all 65.70 0.00 3.79 0.69 0.10 29.71 21:10:09 0 65.77 0.00 3.73 0.47 0.10 29.94 21:10:09 1 65.33 0.00 3.59 0.79 0.11 30.19 21:10:09 2 65.84 0.00 4.27 0.66 0.10 29.13 21:10:09 3 65.87 0.00 3.58 0.85 0.10 29.60 21:20:15 all 39.02 0.00 2.15 0.11 0.08 58.65 21:20:15 0 35.76 0.00 1.93 0.03 0.07 62.20 21:20:15 1 33.33 0.00 2.13 0.19 0.07 64.28 21:20:15 2 40.98 0.00 2.42 0.17 0.08 56.35 21:20:15 3 46.01 0.00 2.10 0.04 0.08 51.76 Average: all 52.10 0.00 2.95 0.39 0.09 44.47 Average: 0 50.47 0.00 2.81 0.24 0.09 46.39 Average: 1 49.00 0.00 2.85 0.48 0.09 47.58 Average: 2 53.17 0.00 3.33 0.41 0.09 43.00 Average: 3 55.75 0.00 2.83 0.44 0.09 40.89