---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53013 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 11G 67G 14% / 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 680 10366 4 4942 14966 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:15:38:d3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.9/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84750sec preferred_lft 84750sec inet6 fe80::f816:3eff:fe15:38d3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:f8:51:2a:6a:e8 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-53013) 03/26/26 _x86_64_ (4 CPU) 02:13:57 LINUX RESTART (4 CPU) 02:20:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:30:08 11.09 0.48 9.58 1.04 16.72 2459.68 481.67 02:40:08 27.51 0.75 22.73 4.03 25.37 3699.03 3258.60 Average: 19.26 0.61 16.13 2.52 21.03 3076.89 1864.62 02:20:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:08 9651636 13417312 2539156 15.51 153484 3698604 2777916 15.95 728432 5576464 20308 02:40:08 10644760 15345996 603904 3.69 184008 4544892 1120324 6.43 983804 4223804 96 Average: 10148198 14381654 1571530 9.60 168746 4121748 1949120 11.19 856118 4900134 10202 02:20:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:30:08 lo 1.40 1.40 0.15 0.15 0.00 0.00 0.00 0.00 02:30:08 ens3 67.00 52.61 138.97 16.85 0.00 0.00 0.00 0.00 02:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:40:08 lo 1748.86 1748.86 1656.56 1656.56 0.00 0.00 0.00 0.00 02:40:08 ens3 102.34 94.30 408.63 169.38 0.00 0.00 0.00 0.00 02:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 871.66 871.66 825.06 825.06 0.00 0.00 0.00 0.00 Average: ens3 84.60 73.37 273.27 92.81 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-53013) 03/26/26 _x86_64_ (4 CPU) 02:13:57 LINUX RESTART (4 CPU) 02:20:04 CPU %user %nice %system %iowait %steal %idle 02:30:08 all 72.74 0.00 2.38 0.03 0.10 24.76 02:30:08 0 73.55 0.00 2.76 0.03 0.09 23.57 02:30:08 1 75.06 0.00 2.17 0.02 0.10 22.65 02:30:08 2 71.75 0.00 1.96 0.03 0.10 26.16 02:30:08 3 70.60 0.00 2.62 0.02 0.10 26.66 02:40:08 all 45.87 0.00 2.12 0.07 0.08 51.87 02:40:08 0 41.24 0.00 1.81 0.04 0.08 56.84 02:40:08 1 46.27 0.00 2.47 0.03 0.08 51.16 02:40:08 2 50.99 0.00 1.82 0.10 0.08 47.01 02:40:08 3 44.99 0.00 2.38 0.10 0.08 52.45 Average: all 59.35 0.00 2.25 0.05 0.09 38.26 Average: 0 57.44 0.00 2.29 0.04 0.09 40.15 Average: 1 60.72 0.00 2.32 0.02 0.09 36.86 Average: 2 61.41 0.00 1.89 0.07 0.09 36.54 Average: 3 57.85 0.00 2.50 0.06 0.09 39.51