---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3917 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 9.8G 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 613 11165 4 4210 15033 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:1f:3a:ff brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.241/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84770sec preferred_lft 84770sec inet6 fe80::f816:3eff:fe1f:3aff/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:a2:02:5e:0c:c2 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-3917) 04/17/26 _x86_64_ (4 CPU) 08:47:19 LINUX RESTART (4 CPU) 08:50:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:00:03 5.33 0.17 4.85 0.31 5.65 369.29 112.72 09:10:03 14.83 2.27 11.47 1.10 138.08 3183.40 2014.43 Average: 10.11 1.22 8.18 0.71 72.23 1783.99 1068.74 08:50:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:00:03 12654584 15247908 720852 4.40 110628 2667848 1284092 7.37 396852 2997308 105116 09:10:03 10208084 13713784 2243968 13.71 143480 3473380 2474908 14.21 640684 5123012 43796 Average: 11431334 14480846 1482410 9.05 127054 3070614 1879500 10.79 518768 4060160 74456 08:50:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:00:03 lo 0.15 0.15 0.02 0.02 0.00 0.00 0.00 0.00 09:00:03 ens3 29.36 24.23 331.84 4.86 0.00 0.00 0.00 0.00 09:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:03 lo 1.41 1.41 0.14 0.14 0.00 0.00 0.00 0.00 09:10:03 ens3 89.44 72.93 471.76 19.56 0.00 0.00 0.00 0.00 09:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.78 0.78 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 59.56 48.71 402.18 12.25 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-3917) 04/17/26 _x86_64_ (4 CPU) 08:47:19 LINUX RESTART (4 CPU) 08:50:09 CPU %user %nice %system %iowait %steal %idle 09:00:03 all 1.79 0.00 0.26 0.05 0.01 97.88 09:00:03 0 1.49 0.00 0.24 0.01 0.01 98.25 09:00:03 1 1.79 0.00 0.16 0.09 0.01 97.94 09:00:03 2 1.79 0.00 0.33 0.06 0.02 97.79 09:00:03 3 2.09 0.00 0.31 0.02 0.01 97.56 09:10:03 all 74.09 0.00 2.32 0.05 0.14 23.41 09:10:03 0 72.75 0.00 2.21 0.03 0.14 24.88 09:10:03 1 76.94 0.00 2.26 0.02 0.14 20.64 09:10:03 2 73.79 0.00 2.48 0.06 0.14 23.53 09:10:03 3 72.88 0.00 2.31 0.07 0.13 24.61 Average: all 38.10 0.00 1.29 0.05 0.08 60.48 Average: 0 37.26 0.00 1.23 0.02 0.07 61.42 Average: 1 39.56 0.00 1.22 0.06 0.08 59.09 Average: 2 37.96 0.00 1.41 0.06 0.08 60.48 Average: 3 37.63 0.00 1.31 0.05 0.07 60.94