---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5744 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 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 623 8801 4 6563 15023 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:25:f3:57 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.217/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84288sec preferred_lft 84288sec inet6 fe80::f816:3eff:fe25:f357/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:aa:10:24:e9:dd 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-5744) 04/21/26 _x86_64_ (4 CPU) 05:23:18 LINUX RESTART (4 CPU) 05:30:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:01 22.80 0.06 20.00 2.73 6.35 2178.76 7001.53 05:50:11 28.97 0.03 26.14 2.81 0.43 4103.52 13056.25 Average: 25.94 0.04 23.12 2.77 3.34 3157.35 10079.90 05:30:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:01 8562456 12406540 3549408 21.68 147400 3806516 3530924 20.27 797364 6612280 12032 05:50:11 5654700 10474860 5476732 33.45 168248 4718264 5477692 31.44 1082996 9183728 1116 Average: 7108578 11440700 4513070 27.56 157824 4262390 4504308 25.85 940180 7898004 6574 05:30:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:01 lo 1190.97 1190.97 1127.68 1127.68 0.00 0.00 0.00 0.00 05:40:01 ens3 41.27 34.37 25.23 11.83 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:11 lo 1182.36 1182.36 1119.99 1119.99 0.00 0.00 0.00 0.00 05:50:11 ens3 41.27 30.94 38.20 11.06 0.00 0.00 0.00 0.00 05:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1186.60 1186.60 1123.77 1123.77 0.00 0.00 0.00 0.00 Average: ens3 41.27 32.62 31.82 11.44 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-5744) 04/21/26 _x86_64_ (4 CPU) 05:23:18 LINUX RESTART (4 CPU) 05:30:10 CPU %user %nice %system %iowait %steal %idle 05:40:01 all 67.88 0.00 2.25 0.07 0.11 29.68 05:40:01 0 67.14 0.00 2.13 0.04 0.11 30.59 05:40:01 1 67.02 0.00 2.26 0.09 0.11 30.52 05:40:01 2 68.85 0.00 2.43 0.13 0.11 28.48 05:40:01 3 68.52 0.00 2.19 0.03 0.11 29.15 05:50:11 all 54.65 0.00 2.22 0.13 0.09 42.90 05:50:11 0 55.71 0.00 2.27 0.24 0.09 41.69 05:50:11 1 55.01 0.00 2.31 0.13 0.10 42.45 05:50:11 2 53.89 0.00 2.10 0.10 0.09 43.82 05:50:11 3 53.98 0.00 2.20 0.07 0.09 43.65 Average: all 61.16 0.00 2.24 0.10 0.10 36.40 Average: 0 61.33 0.00 2.20 0.14 0.10 36.23 Average: 1 60.91 0.00 2.29 0.11 0.10 36.58 Average: 2 61.25 0.00 2.26 0.11 0.10 36.27 Average: 3 61.13 0.00 2.20 0.05 0.10 36.52