---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6313 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 9.9G 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 663 10971 4 4354 14983 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:22:44:73 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.143/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84645sec preferred_lft 84645sec inet6 fe80::f816:3eff:fe22:4473/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:7a:76:a7:3f:df 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-6313) 04/21/26 _x86_64_ (4 CPU) 20:57:50 LINUX RESTART (4 CPU) 21:00:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:17 26.54 2.65 20.46 3.43 145.94 3051.26 3677.32 21:20:32 42.92 0.01 35.40 7.51 0.08 3277.24 3511.38 Average: 34.85 1.31 28.04 5.50 71.90 3165.97 3593.09 21:00:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:17 11061280 14169084 1792232 10.95 129592 3132152 2003492 11.50 523944 4432296 32544 21:20:32 9864140 13693104 2262232 13.82 190116 3713788 2445852 14.04 711544 5360908 123296 Average: 10462710 13931094 2027232 12.38 159854 3422970 2224672 12.77 617744 4896602 77920 21:00:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:17 lo 1759.44 1759.44 1677.73 1677.73 0.00 0.00 0.00 0.00 21:10:17 ens3 123.94 85.88 867.58 18.06 0.00 0.00 0.00 0.00 21:10:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:32 lo 4122.86 4122.86 3930.81 3930.81 0.00 0.00 0.00 0.00 21:20:32 ens3 102.87 75.87 29.34 26.28 0.00 0.00 0.00 0.00 21:20:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2959.14 2959.14 2821.42 2821.42 0.00 0.00 0.00 0.00 Average: ens3 113.25 80.80 442.08 22.23 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-6313) 04/21/26 _x86_64_ (4 CPU) 20:57:50 LINUX RESTART (4 CPU) 21:00:21 CPU %user %nice %system %iowait %steal %idle 21:10:17 all 32.63 0.00 1.93 0.55 0.14 64.76 21:10:17 0 33.06 0.00 2.00 0.50 0.16 64.28 21:10:17 1 32.03 0.00 1.93 0.40 0.15 65.50 21:10:17 2 33.27 0.00 1.91 0.35 0.16 64.31 21:10:17 3 32.16 0.00 1.89 0.94 0.09 64.93 21:20:32 all 65.61 0.00 4.05 0.19 0.17 29.99 21:20:32 0 66.15 0.00 4.58 0.15 0.16 28.97 21:20:32 1 65.08 0.00 3.97 0.22 0.17 30.57 21:20:32 2 65.81 0.00 3.73 0.09 0.16 30.20 21:20:32 3 65.38 0.00 3.95 0.29 0.17 30.22 Average: all 49.33 0.00 3.01 0.36 0.15 47.15 Average: 0 49.83 0.00 3.31 0.32 0.16 46.39 Average: 1 48.77 0.00 2.96 0.30 0.16 47.81 Average: 2 49.75 0.00 2.83 0.22 0.16 47.04 Average: 3 48.98 0.00 2.93 0.61 0.13 47.35