---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-33133 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 601 10324 4 5063 15045 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:96:97:c1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.111/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84733sec preferred_lft 84733sec inet6 fe80::f816:3eff:fe96:97c1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:db:2b:4b:d3:08 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-33133) 07/05/26 _x86_64_ (4 CPU) 09:54:20 LINUX RESTART (4 CPU) 10:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:15 3.76 0.07 3.50 0.19 7.02 533.09 32.49 10:20:11 19.53 0.52 17.50 1.51 19.15 2269.94 4759.16 Average: 11.57 0.29 10.44 0.84 13.03 1393.86 2375.00 10:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:15 9888960 13210420 2751892 16.81 118264 3355088 3016576 17.32 644276 5492980 13468 10:20:11 9896992 13647868 2310492 14.11 138280 3738200 2518432 14.46 813636 5272116 24092 Average: 9892976 13429144 2531192 15.46 128272 3546644 2767504 15.89 728956 5382548 18780 10:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:15 lo 0.60 0.60 0.37 0.37 0.00 0.00 0.00 0.00 10:10:15 ens3 12.03 9.33 36.35 2.53 0.00 0.00 0.00 0.00 10:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:11 lo 534.13 534.13 509.04 509.04 0.00 0.00 0.00 0.00 10:20:11 ens3 40.27 27.67 416.98 3.69 0.00 0.00 0.00 0.00 10:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 265.02 265.02 252.46 252.46 0.00 0.00 0.00 0.00 Average: ens3 26.02 18.42 224.99 3.10 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-33133) 07/05/26 _x86_64_ (4 CPU) 09:54:20 LINUX RESTART (4 CPU) 10:00:09 CPU %user %nice %system %iowait %steal %idle 10:10:15 all 49.73 0.00 0.70 0.13 0.08 49.36 10:10:15 0 46.08 0.00 0.69 0.25 0.08 52.90 10:10:15 1 52.95 0.00 0.72 0.03 0.08 46.23 10:10:15 2 50.76 0.00 0.76 0.23 0.08 48.18 10:10:15 3 49.14 0.00 0.64 0.02 0.07 50.12 10:20:11 all 55.30 0.00 1.27 0.10 0.08 43.25 10:20:11 0 46.45 0.00 1.12 0.06 0.07 52.30 10:20:11 1 83.54 0.00 1.26 0.07 0.10 15.05 10:20:11 2 47.15 0.00 1.27 0.26 0.08 51.25 10:20:11 3 44.09 0.00 1.43 0.03 0.08 54.37 Average: all 52.49 0.00 0.98 0.12 0.08 46.33 Average: 0 46.26 0.00 0.90 0.16 0.07 52.61 Average: 1 68.10 0.00 0.98 0.05 0.09 30.78 Average: 2 48.97 0.00 1.01 0.25 0.08 49.70 Average: 3 46.64 0.00 1.03 0.03 0.07 52.22