---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8962 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 11G 68G 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 606 10626 4 4756 15040 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:ed:ae:75 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.64/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84777sec preferred_lft 84777sec inet6 fe80::f816:3eff:feed:ae75/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:0a:a5:dd:06:3b 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-8962) 02/09/26 _x86_64_ (4 CPU) 20:07:53 LINUX RESTART (4 CPU) 20:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:04 22.95 1.97 7.37 13.61 326.84 2211.36 240069.49 20:30:04 6.40 0.40 5.73 0.27 11.99 691.83 867.15 Average: 14.67 1.18 6.55 6.94 169.41 1451.59 120468.32 20:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:04 9361480 12307068 3656452 22.33 110560 3006632 3813208 21.89 550664 6114512 2560 20:30:04 9268536 12890024 3069764 18.75 127492 3628444 3230940 18.55 645432 6071804 484532 Average: 9315008 12598546 3363108 20.54 119026 3317538 3522074 20.22 598048 6093158 243546 20:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:04 lo 0.68 0.68 0.39 0.39 0.00 0.00 0.00 0.00 20:20:04 ens3 37.82 31.16 382.38 5.35 0.00 0.00 0.00 0.00 20:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:04 lo 85.92 85.92 81.33 81.33 0.00 0.00 0.00 0.00 20:30:04 ens3 36.77 25.27 409.00 3.66 0.00 0.00 0.00 0.00 20:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 43.30 43.30 40.86 40.86 0.00 0.00 0.00 0.00 Average: ens3 37.30 28.21 395.69 4.51 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-8962) 02/09/26 _x86_64_ (4 CPU) 20:07:53 LINUX RESTART (4 CPU) 20:10:04 CPU %user %nice %system %iowait %steal %idle 20:20:04 all 52.49 0.00 0.87 0.13 0.08 46.43 20:20:04 0 51.55 0.00 0.83 0.19 0.08 47.36 20:20:04 1 55.78 0.00 0.92 0.14 0.08 43.08 20:20:04 2 47.35 0.00 0.91 0.08 0.08 51.58 20:20:04 3 55.28 0.00 0.84 0.09 0.08 43.72 20:30:04 all 49.71 0.00 0.72 0.03 0.07 49.47 20:30:04 0 37.74 0.00 0.66 0.02 0.07 61.52 20:30:04 1 51.99 0.00 0.71 0.04 0.07 47.18 20:30:04 2 55.29 0.00 0.72 0.03 0.07 43.90 20:30:04 3 53.83 0.00 0.78 0.03 0.07 45.29 Average: all 51.10 0.00 0.79 0.08 0.08 47.95 Average: 0 44.64 0.00 0.74 0.10 0.07 54.44 Average: 1 53.89 0.00 0.82 0.09 0.08 45.13 Average: 2 51.31 0.00 0.81 0.06 0.08 47.74 Average: 3 54.55 0.00 0.81 0.06 0.07 44.51