---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-28843 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 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 675 10493 4 4820 14971 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:b4:95:a7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.108/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84294sec preferred_lft 84294sec inet6 fe80::f816:3eff:feb4:95a7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 32:24:67:43:0e:4e 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-28843) 06/20/26 _x86_64_ (4 CPU) 09:10:31 LINUX RESTART (4 CPU) 09:20:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:01 12.98 1.94 10.25 0.79 124.83 2713.78 1538.73 09:40:04 28.49 0.78 24.13 3.59 27.88 4239.13 5502.37 Average: 20.78 1.36 17.23 2.20 76.07 3480.94 3532.21 09:20:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 10206300 13526876 2433192 14.86 131872 3312636 2748636 15.78 551232 5233368 30520 09:40:04 8457560 12920304 3030780 18.51 167980 4334624 3536092 20.30 860400 6578996 11932 Average: 9331930 13223590 2731986 16.69 149926 3823630 3142364 18.04 705816 5906182 21226 09:20:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:01 lo 1.03 1.03 0.10 0.10 0.00 0.00 0.00 0.00 09:30:01 ens3 99.73 77.69 609.58 18.22 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:04 lo 1560.83 1560.83 1487.74 1487.74 0.00 0.00 0.00 0.00 09:40:04 ens3 95.69 70.21 429.86 24.32 0.00 0.00 0.00 0.00 09:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 785.52 785.52 748.30 748.30 0.00 0.00 0.00 0.00 Average: ens3 97.70 73.92 519.19 21.29 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-28843) 06/20/26 _x86_64_ (4 CPU) 09:10:31 LINUX RESTART (4 CPU) 09:20:04 CPU %user %nice %system %iowait %steal %idle 09:30:01 all 50.68 0.00 1.73 0.04 0.07 47.48 09:30:01 0 50.66 0.00 1.77 0.04 0.08 47.46 09:30:01 1 52.33 0.00 1.69 0.03 0.07 45.88 09:30:01 2 49.75 0.00 1.79 0.03 0.07 48.37 09:30:01 3 49.99 0.00 1.66 0.08 0.07 48.19 09:40:04 all 68.99 0.00 2.65 0.06 0.09 28.21 09:40:04 0 66.44 0.00 2.44 0.08 0.09 30.95 09:40:04 1 69.29 0.00 2.77 0.04 0.09 27.81 09:40:04 2 70.38 0.00 2.70 0.07 0.09 26.76 09:40:04 3 69.85 0.00 2.68 0.05 0.09 27.33 Average: all 59.88 0.00 2.19 0.05 0.08 37.79 Average: 0 58.58 0.00 2.11 0.06 0.08 39.16 Average: 1 60.85 0.00 2.24 0.03 0.08 36.80 Average: 2 60.12 0.00 2.24 0.05 0.08 37.51 Average: 3 59.98 0.00 2.17 0.07 0.08 37.70