---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-30555 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: 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 12G 66G 16% / 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 664 9126 4 6198 14982 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:57:27:a6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.92/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84400sec preferred_lft 84400sec inet6 fe80::f816:3eff:fe57:27a6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:9d:59:5a:cb:f0 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-30555) 06/25/26 _x86_64_ (4 CPU) 22:20:50 LINUX RESTART (4 CPU) 22:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:40:05 30.53 1.33 28.70 0.50 97.17 903.51 381.17 22:50:15 37.53 3.35 31.85 2.33 178.70 10328.67 14356.14 Average: 34.04 2.34 30.28 1.42 138.09 5633.46 7394.41 22:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:40:05 12964076 15328264 656460 4.01 88876 2473632 1267292 7.27 302828 2810608 325744 22:50:15 7428420 12702960 3248972 19.84 145008 5196228 3358256 19.28 1243816 7254204 204748 Average: 10196248 14015612 1952716 11.93 116942 3834930 2312774 13.28 773322 5032406 265246 22:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:40:05 lo 0.17 0.17 0.01 0.01 0.00 0.00 0.00 0.00 22:40:05 ens3 30.23 21.64 166.76 5.06 0.00 0.00 0.00 0.00 22:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:15 lo 919.10 919.10 875.77 875.77 0.00 0.00 0.00 0.00 22:50:15 ens3 130.16 97.82 1189.52 19.62 0.00 0.00 0.00 0.00 22:50:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 461.33 461.33 439.50 439.50 0.00 0.00 0.00 0.00 Average: ens3 80.38 59.87 680.03 12.36 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-30555) 06/25/26 _x86_64_ (4 CPU) 22:20:50 LINUX RESTART (4 CPU) 22:30:00 CPU %user %nice %system %iowait %steal %idle 22:40:05 all 2.32 0.00 0.25 0.20 0.03 97.20 22:40:05 0 2.57 0.00 0.40 0.43 0.02 96.58 22:40:05 1 1.81 0.00 0.19 0.02 0.04 97.93 22:40:05 2 1.87 0.00 0.18 0.04 0.02 97.89 22:40:05 3 3.04 0.00 0.23 0.31 0.03 96.39 22:50:15 all 52.80 0.00 2.11 0.11 0.09 44.89 22:50:15 0 49.44 0.00 2.15 0.11 0.08 48.21 22:50:15 1 58.97 0.00 1.83 0.08 0.09 39.03 22:50:15 2 49.43 0.00 2.32 0.13 0.08 48.04 22:50:15 3 53.36 0.00 2.15 0.13 0.09 44.28 Average: all 27.61 0.00 1.18 0.16 0.06 70.99 Average: 0 26.06 0.00 1.28 0.27 0.05 72.34 Average: 1 30.44 0.00 1.01 0.05 0.06 68.43 Average: 2 25.69 0.00 1.25 0.08 0.05 72.93 Average: 3 28.25 0.00 1.19 0.22 0.06 70.29