---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-33156 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 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 633 10392 4 4962 15013 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:4d:f0:f3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.15/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84908sec preferred_lft 84908sec inet6 fe80::f816:3eff:fe4d:f0f3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:c5:20:02:b4:94 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-33156) 07/05/26 _x86_64_ (4 CPU) 17:09:21 LINUX RESTART (4 CPU) 17:10:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:20:01 21.92 3.12 18.00 0.80 173.57 4363.29 584.81 17:30:12 8.51 0.53 7.49 0.49 21.42 1674.11 1067.45 Average: 15.11 1.81 12.66 0.64 96.34 2998.31 829.79 17:10:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:20:01 10447852 13503756 2459672 15.02 114164 3100364 2833236 16.26 486184 5093364 32 17:30:12 9818424 13445364 2514252 15.36 132732 3618940 2779736 15.96 635020 5538456 116248 Average: 10133138 13474560 2486962 15.19 123448 3359652 2806486 16.11 560602 5315910 58140 17:10:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:20:01 lo 0.53 0.53 0.05 0.05 0.00 0.00 0.00 0.00 17:20:01 ens3 77.16 62.82 866.08 9.63 0.00 0.00 0.00 0.00 17:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:12 lo 223.31 223.31 212.78 212.78 0.00 0.00 0.00 0.00 17:30:12 ens3 39.21 27.09 443.48 3.54 0.00 0.00 0.00 0.00 17:30:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 113.61 113.61 108.03 108.03 0.00 0.00 0.00 0.00 Average: ens3 57.90 44.68 651.58 6.54 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-33156) 07/05/26 _x86_64_ (4 CPU) 17:09:21 LINUX RESTART (4 CPU) 17:10:09 CPU %user %nice %system %iowait %steal %idle 17:20:01 all 48.30 0.00 1.15 0.18 0.08 50.29 17:20:01 0 47.66 0.00 1.04 0.08 0.08 51.14 17:20:01 1 41.13 0.00 1.10 0.09 0.08 57.60 17:20:01 2 50.45 0.00 1.22 0.46 0.08 47.78 17:20:01 3 53.95 0.00 1.24 0.09 0.09 44.63 17:30:12 all 48.18 0.00 0.85 0.03 0.08 50.86 17:30:12 0 36.54 0.00 0.78 0.03 0.08 62.57 17:30:12 1 37.79 0.00 0.95 0.06 0.08 61.12 17:30:12 2 69.66 0.00 0.79 0.01 0.09 29.45 17:30:12 3 48.68 0.00 0.87 0.02 0.08 50.35 Average: all 48.24 0.00 1.00 0.11 0.08 50.58 Average: 0 42.02 0.00 0.91 0.05 0.08 56.93 Average: 1 39.43 0.00 1.02 0.07 0.08 59.39 Average: 2 60.21 0.00 1.00 0.23 0.09 38.47 Average: 3 51.28 0.00 1.05 0.06 0.08 47.53