---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2965 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 9.5G 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 600 11585 4 3803 15046 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:b4:01:09 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.144/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84943sec preferred_lft 84943sec inet6 fe80::f816:3eff:feb4:109/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:00:00:b0:37:94 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-2965) 04/15/26 _x86_64_ (4 CPU) 10:09:11 LINUX RESTART (4 CPU) 10:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:00 21.33 3.25 17.20 0.88 374.41 4246.58 1034.13 10:30:01 2.79 0.02 2.71 0.06 0.92 292.14 9.12 Average: 12.05 1.63 9.94 0.47 187.43 2266.86 520.97 10:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:00 9826488 12923080 3040044 18.57 113772 3146300 3255008 18.68 552044 5642116 2648 10:30:01 10366656 13552996 2409368 14.72 116764 3225572 2679716 15.38 574504 5090288 12488 Average: 10096572 13238038 2724706 16.64 115268 3185936 2967362 17.03 563274 5366202 7568 10:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:00 lo 0.53 0.53 0.07 0.07 0.00 0.00 0.00 0.00 10:20:00 ens3 76.45 58.93 905.25 8.78 0.00 0.00 0.00 0.00 10:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:01 lo 0.49 0.49 0.36 0.36 0.00 0.00 0.00 0.00 10:30:01 ens3 3.28 2.60 1.94 0.75 0.00 0.00 0.00 0.00 10:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.51 0.51 0.22 0.22 0.00 0.00 0.00 0.00 Average: ens3 39.82 30.73 453.02 4.76 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-2965) 04/15/26 _x86_64_ (4 CPU) 10:09:11 LINUX RESTART (4 CPU) 10:10:00 CPU %user %nice %system %iowait %steal %idle 10:20:00 all 51.94 0.00 1.20 0.17 0.12 46.58 10:20:00 0 53.04 0.00 1.59 0.08 0.12 45.17 10:20:00 1 52.23 0.00 0.97 0.40 0.12 46.28 10:20:00 2 55.96 0.00 1.29 0.11 0.12 42.51 10:20:00 3 46.50 0.00 0.93 0.09 0.11 52.37 10:30:01 all 40.92 0.00 0.45 0.01 0.09 58.52 10:30:01 0 41.50 0.00 0.46 0.02 0.10 57.92 10:30:01 1 63.49 0.00 0.48 0.01 0.11 35.91 10:30:01 2 23.67 0.00 0.36 0.01 0.07 75.89 10:30:01 3 35.13 0.00 0.50 0.01 0.08 64.28 Average: all 46.42 0.00 0.82 0.09 0.10 52.56 Average: 0 47.26 0.00 1.02 0.05 0.11 51.56 Average: 1 57.87 0.00 0.73 0.20 0.12 41.08 Average: 2 39.76 0.00 0.82 0.06 0.09 59.26 Average: 3 40.80 0.00 0.72 0.05 0.10 58.33