---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-30914 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 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 630 10886 4 4471 15015 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:6a:7c:0f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.223/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84536sec preferred_lft 84536sec inet6 fe80::f816:3eff:fe6a:7c0f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:f4:b3:2a:b4:e3 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-30914) 06/26/26 _x86_64_ (4 CPU) 20:53:20 LINUX RESTART (4 CPU) 21:00:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:00 49.54 2.58 28.01 18.95 142.91 3620.04 252663.96 21:20:03 41.33 0.30 33.95 7.08 11.68 4044.80 14492.33 Average: 45.41 1.43 31.00 12.99 76.98 3833.43 133012.49 21:00:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:00 10557224 13940064 2018780 12.33 150344 3357444 2198196 12.62 578868 4836328 34444 21:20:03 11164080 15379524 573200 3.50 201064 4068140 1103884 6.34 819356 3906872 284 Average: 10860652 14659794 1295990 7.92 175704 3712792 1651040 9.48 699112 4371600 17364 21:00:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:00 lo 2749.69 2749.69 2622.27 2622.27 0.00 0.00 0.00 0.00 21:10:00 ens3 142.03 107.60 794.45 25.97 0.00 0.00 0.00 0.00 21:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:03 lo 3295.22 3295.22 3135.05 3135.05 0.00 0.00 0.00 0.00 21:20:03 ens3 118.21 95.49 117.08 98.60 0.00 0.00 0.00 0.00 21:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3023.75 3023.75 2879.88 2879.88 0.00 0.00 0.00 0.00 Average: ens3 130.06 101.52 454.16 62.45 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-30914) 06/26/26 _x86_64_ (4 CPU) 20:53:20 LINUX RESTART (4 CPU) 21:00:03 CPU %user %nice %system %iowait %steal %idle 21:10:00 all 47.72 0.00 2.78 0.10 0.09 49.31 21:10:00 0 48.77 0.00 2.85 0.15 0.09 48.14 21:10:00 1 47.58 0.00 2.52 0.09 0.09 49.72 21:10:00 2 47.01 0.00 2.77 0.06 0.09 50.07 21:10:00 3 47.51 0.00 2.98 0.11 0.09 49.31 21:20:03 all 52.96 0.00 3.26 0.11 0.10 43.57 21:20:03 0 51.05 0.00 3.39 0.17 0.10 45.28 21:20:03 1 53.20 0.00 3.58 0.06 0.10 43.07 21:20:03 2 54.25 0.00 3.10 0.11 0.11 42.43 21:20:03 3 53.34 0.00 2.96 0.10 0.11 43.50 Average: all 50.35 0.00 3.02 0.11 0.10 46.42 Average: 0 49.91 0.00 3.12 0.16 0.10 46.70 Average: 1 50.40 0.00 3.05 0.08 0.10 46.37 Average: 2 50.65 0.00 2.93 0.09 0.10 46.23 Average: 3 50.43 0.00 2.97 0.11 0.10 46.39