---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20027 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 11G 67G 14% / 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 657 10308 4 5023 14989 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:07:06:a0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.27/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84764sec preferred_lft 84764sec inet6 fe80::f816:3eff:fe07:6a0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:14:b5:c9:07:e2 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-20027) 05/25/26 _x86_64_ (4 CPU) 18:56:21 LINUX RESTART (4 CPU) 19:00:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:10:01 30.46 2.47 13.08 14.91 539.47 3434.36 244521.14 19:20:10 33.20 1.07 27.68 4.46 34.76 4371.40 3924.95 Average: 31.85 1.76 20.48 9.61 283.66 3909.31 122572.79 19:00:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:10:01 10234756 13881592 2076652 12.68 140544 3618256 2729060 15.66 719024 5029116 37640 19:20:10 10610744 15394528 556176 3.40 173560 4640072 1119808 6.43 1035724 4233176 448 Average: 10422750 14638060 1316414 8.04 157052 4129164 1924434 11.05 877374 4631146 19044 19:00:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:10:01 lo 1.33 1.33 0.13 0.13 0.00 0.00 0.00 0.00 19:10:01 ens3 97.76 74.40 724.33 18.83 0.00 0.00 0.00 0.00 19:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:20:10 lo 1757.92 1757.92 1673.55 1673.55 0.00 0.00 0.00 0.00 19:20:10 ens3 91.36 71.50 424.84 60.31 0.00 0.00 0.00 0.00 19:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 891.67 891.67 848.32 848.32 0.00 0.00 0.00 0.00 Average: ens3 94.52 72.93 572.53 39.85 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-20027) 05/25/26 _x86_64_ (4 CPU) 18:56:21 LINUX RESTART (4 CPU) 19:00:08 CPU %user %nice %system %iowait %steal %idle 19:10:01 all 66.50 0.00 2.20 0.06 0.10 31.14 19:10:01 0 65.95 0.00 2.10 0.09 0.10 31.76 19:10:01 1 66.40 0.00 2.03 0.03 0.10 31.45 19:10:01 2 68.09 0.00 2.33 0.06 0.10 29.43 19:10:01 3 65.58 0.00 2.36 0.05 0.10 31.91 19:20:10 all 64.25 0.00 2.71 0.16 0.11 32.77 19:20:10 0 67.28 0.00 2.69 0.25 0.12 29.67 19:20:10 1 63.74 0.00 2.61 0.11 0.11 33.43 19:20:10 2 61.91 0.00 2.52 0.11 0.12 35.34 19:20:10 3 64.05 0.00 3.01 0.16 0.11 32.66 Average: all 65.36 0.00 2.46 0.11 0.11 31.97 Average: 0 66.62 0.00 2.40 0.17 0.11 30.70 Average: 1 65.05 0.00 2.32 0.07 0.11 32.45 Average: 2 64.96 0.00 2.43 0.08 0.11 32.43 Average: 3 64.80 0.00 2.69 0.11 0.11 32.29