---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-19586 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 67G 15% / 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 725 9575 4 5688 14921 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:3a:22:75 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.185/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84615sec preferred_lft 84615sec inet6 fe80::f816:3eff:fe3a:2275/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:62:c0:9f:a0:c2 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-19586) 05/24/26 _x86_64_ (4 CPU) 15:45:19 LINUX RESTART (4 CPU) 15:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:09 27.43 0.42 24.22 2.79 13.54 3647.71 13683.51 16:10:02 27.81 0.06 24.82 2.93 1.67 6028.72 10675.06 Average: 27.62 0.24 24.52 2.86 7.68 4822.71 12198.87 15:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:09 9222276 13109872 2846016 17.38 159612 3806500 3204168 18.39 727016 5995408 84448 16:10:02 7536180 12758672 3190716 19.49 188608 5043448 3340232 19.17 1026756 7310368 22272 Average: 8379228 12934272 3018366 18.43 174110 4424974 3272200 18.78 876886 6652888 53360 15:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:09 lo 1285.82 1285.82 1225.43 1225.43 0.00 0.00 0.00 0.00 16:00:09 ens3 43.27 36.61 96.18 12.77 0.00 0.00 0.00 0.00 16:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:02 lo 983.92 983.92 937.47 937.47 0.00 0.00 0.00 0.00 16:10:02 ens3 62.60 47.18 237.27 13.26 0.00 0.00 0.00 0.00 16:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1136.83 1136.83 1083.32 1083.32 0.00 0.00 0.00 0.00 Average: ens3 52.81 41.83 165.81 13.02 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-19586) 05/24/26 _x86_64_ (4 CPU) 15:45:19 LINUX RESTART (4 CPU) 15:50:01 CPU %user %nice %system %iowait %steal %idle 16:00:09 all 66.29 0.00 2.57 0.07 0.09 30.99 16:00:09 0 66.19 0.00 2.47 0.05 0.09 31.21 16:00:09 1 66.71 0.00 2.76 0.10 0.09 30.35 16:00:09 2 67.53 0.00 2.49 0.05 0.08 29.85 16:00:09 3 64.74 0.00 2.55 0.07 0.09 32.55 16:10:02 all 59.71 0.00 2.33 0.08 0.09 37.78 16:10:02 0 56.38 0.00 2.13 0.14 0.09 41.26 16:10:02 1 57.84 0.00 2.13 0.05 0.09 39.89 16:10:02 2 63.00 0.00 2.74 0.07 0.09 34.09 16:10:02 3 61.64 0.00 2.32 0.06 0.09 35.89 Average: all 63.04 0.00 2.45 0.07 0.09 34.34 Average: 0 61.34 0.00 2.30 0.10 0.09 36.17 Average: 1 62.33 0.00 2.45 0.07 0.09 35.06 Average: 2 65.29 0.00 2.61 0.06 0.09 31.94 Average: 3 63.21 0.00 2.44 0.06 0.09 34.20