---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37747 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 645 10924 4 4419 15001 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:2a:e6:3f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.114/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85025sec preferred_lft 85025sec inet6 fe80::f816:3eff:fe2a:e63f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:35:9f:1d:50:07 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-37747) 07/22/26 _x86_64_ (4 CPU) 09:48:29 LINUX RESTART (4 CPU) 09:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:00:19 16.03 3.05 12.43 0.54 165.74 3523.43 778.49 10:10:02 32.35 0.57 26.52 5.26 24.22 4642.60 3949.30 Average: 23.95 1.85 19.27 2.83 97.01 4066.98 2318.46 09:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:00:19 9192496 12222264 3740756 22.85 121672 3060676 4152088 23.83 491560 6341912 7004 10:10:02 11199840 15366868 589924 3.60 145840 4122392 1096228 6.29 867292 3865112 224 Average: 10196168 13794566 2165340 13.23 133756 3591534 2624158 15.06 679426 5103512 3614 09:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:00:19 lo 0.52 0.52 0.05 0.05 0.00 0.00 0.00 0.00 10:00:19 ens3 80.55 60.96 626.67 11.97 0.00 0.00 0.00 0.00 10:00:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:02 lo 2202.70 2202.70 2094.18 2094.18 0.00 0.00 0.00 0.00 10:10:02 ens3 108.24 93.32 424.49 361.31 0.00 0.00 0.00 0.00 10:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1070.05 1070.05 1017.11 1017.11 0.00 0.00 0.00 0.00 Average: ens3 94.00 76.67 528.48 181.63 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-37747) 07/22/26 _x86_64_ (4 CPU) 09:48:29 LINUX RESTART (4 CPU) 09:50:01 CPU %user %nice %system %iowait %steal %idle 10:00:19 all 25.02 0.00 0.91 0.09 0.07 73.91 10:00:19 0 25.29 0.00 1.05 0.08 0.07 73.51 10:00:19 1 24.50 0.00 0.93 0.15 0.07 74.36 10:00:19 2 25.70 0.00 0.80 0.05 0.07 73.38 10:00:19 3 24.60 0.00 0.86 0.07 0.07 74.40 10:10:02 all 53.67 0.00 2.88 0.09 0.15 43.21 10:10:02 0 56.33 0.00 2.79 0.11 0.15 40.62 10:10:02 1 52.94 0.00 2.61 0.14 0.14 44.17 10:10:02 2 53.60 0.00 2.90 0.06 0.15 43.28 10:10:02 3 51.80 0.00 3.23 0.05 0.15 44.78 Average: all 38.92 0.00 1.86 0.09 0.11 59.02 Average: 0 40.36 0.00 1.89 0.09 0.11 57.54 Average: 1 38.29 0.00 1.74 0.14 0.11 59.72 Average: 2 39.22 0.00 1.82 0.06 0.11 58.80 Average: 3 37.79 0.00 2.01 0.06 0.11 60.03