---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23613 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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: 5600.00 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 12G 66G 15% / 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 688 9266 4 6034 14958 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:6f:d6:03 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.126/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84530sec preferred_lft 84530sec inet6 fe80::f816:3eff:fe6f:d603/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:bc:f4:c0:3f:7d 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-23613) 06/04/26 _x86_64_ (4 CPU) 05:14:23 LINUX RESTART (4 CPU) 05:20:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:05 14.57 0.03 12.33 2.21 0.63 952.07 45779.45 05:40:05 32.72 0.19 28.55 3.98 5.81 7469.89 34399.33 Average: 23.64 0.11 20.44 3.10 3.22 4210.98 40089.39 05:20:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:05 9331608 12938896 3018356 18.43 132544 3589268 3215192 18.46 706276 5926216 604 05:40:05 6436204 12222000 3724376 22.75 166504 5632656 3736788 21.45 1524692 7877312 187580 Average: 7883906 12580448 3371366 20.59 149524 4610962 3475990 19.95 1115484 6901764 94092 05:20:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:05 lo 42.92 42.92 10.13 10.13 0.00 0.00 0.00 0.00 05:30:05 ens3 12.59 10.30 13.40 3.47 0.00 0.00 0.00 0.00 05:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:05 lo 1829.10 1829.10 1736.53 1736.53 0.00 0.00 0.00 0.00 05:40:05 ens3 71.01 55.39 466.33 13.62 0.00 0.00 0.00 0.00 05:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 936.01 936.01 873.33 873.33 0.00 0.00 0.00 0.00 Average: ens3 41.80 32.85 239.87 8.55 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-23613) 06/04/26 _x86_64_ (4 CPU) 05:14:23 LINUX RESTART (4 CPU) 05:20:05 CPU %user %nice %system %iowait %steal %idle 05:30:05 all 24.61 0.00 0.92 0.08 0.08 74.30 05:30:05 0 25.21 0.00 0.79 0.05 0.08 73.86 05:30:05 1 25.23 0.00 1.00 0.15 0.08 73.55 05:30:05 2 23.26 0.00 0.92 0.05 0.08 75.70 05:30:05 3 24.75 0.00 0.98 0.08 0.08 74.11 05:40:05 all 44.69 0.00 2.25 0.26 0.09 52.72 05:40:05 0 42.77 0.00 2.30 0.31 0.09 54.53 05:40:05 1 44.21 0.00 1.74 0.06 0.09 53.91 05:40:05 2 44.33 0.00 1.97 0.54 0.08 53.09 05:40:05 3 47.46 0.00 3.00 0.13 0.09 49.33 Average: all 34.64 0.00 1.58 0.17 0.08 63.52 Average: 0 33.97 0.00 1.55 0.18 0.08 64.21 Average: 1 34.71 0.00 1.37 0.10 0.08 63.74 Average: 2 33.77 0.00 1.44 0.29 0.08 64.42 Average: 3 36.10 0.00 1.99 0.11 0.08 61.73