---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36932 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 10G 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 666 10894 4 4428 14980 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:5d:b1:c5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.113/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84840sec preferred_lft 84840sec inet6 fe80::f816:3eff:fe5d:b1c5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:16:ee:0c:4b:04 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-36932) 07/18/26 _x86_64_ (4 CPU) 16:27:49 LINUX RESTART (4 CPU) 16:30:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:40:20 23.91 3.27 19.73 0.91 375.94 4435.82 767.60 16:50:20 11.28 0.52 10.06 0.70 19.28 1888.49 3544.16 Average: 17.59 1.90 14.89 0.80 197.61 3162.15 2155.89 16:30:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:40:20 8777888 11950032 4012712 24.51 110352 3223844 4207300 24.15 536304 6714516 788 16:50:20 8956012 12587752 3370964 20.59 129484 3633684 3544848 20.35 707376 6308168 1556 Average: 8866950 12268892 3691838 22.55 119918 3428764 3876074 22.25 621840 6511342 1172 16:30:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:40:20 lo 0.65 0.65 0.16 0.16 0.00 0.00 0.00 0.00 16:40:20 ens3 76.39 60.79 903.69 9.51 0.00 0.00 0.00 0.00 16:40:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:50:20 lo 207.33 207.33 197.16 197.16 0.00 0.00 0.00 0.00 16:50:20 ens3 43.76 30.03 453.28 5.07 0.00 0.00 0.00 0.00 16:50:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 103.99 103.99 98.66 98.66 0.00 0.00 0.00 0.00 Average: ens3 60.08 45.41 678.49 7.29 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-36932) 07/18/26 _x86_64_ (4 CPU) 16:27:49 LINUX RESTART (4 CPU) 16:30:20 CPU %user %nice %system %iowait %steal %idle 16:40:20 all 49.97 0.00 1.09 0.15 0.09 48.71 16:40:20 0 50.62 0.00 0.89 0.36 0.08 48.05 16:40:20 1 56.56 0.00 1.25 0.08 0.09 42.02 16:40:20 2 43.03 0.00 1.31 0.11 0.09 55.46 16:40:20 3 49.67 0.00 0.90 0.06 0.09 49.29 16:50:20 all 49.84 0.00 0.94 0.06 0.09 49.08 16:50:20 0 37.16 0.00 0.89 0.06 0.08 61.81 16:50:20 1 70.46 0.00 1.14 0.04 0.10 28.27 16:50:20 2 51.73 0.00 0.97 0.06 0.09 47.15 16:50:20 3 40.06 0.00 0.76 0.06 0.08 59.04 Average: all 49.90 0.00 1.01 0.10 0.09 48.89 Average: 0 43.88 0.00 0.89 0.21 0.08 54.94 Average: 1 63.51 0.00 1.20 0.06 0.10 35.14 Average: 2 47.38 0.00 1.14 0.08 0.09 51.31 Average: 3 44.87 0.00 0.83 0.06 0.09 54.16