---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20740 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 68G 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 665 10520 4 4803 14981 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:47:10:b6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.31/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84618sec preferred_lft 84618sec inet6 fe80::f816:3eff:fe47:10b6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:89:8d:6e:8f: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-20740) 05/27/26 _x86_64_ (4 CPU) 16:09:40 LINUX RESTART (4 CPU) 16:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:20:22 60.41 9.80 36.85 13.76 1354.08 9863.43 237170.84 16:30:02 21.07 0.82 18.52 1.73 29.11 3154.90 3389.15 Average: 41.39 5.46 27.99 7.94 713.37 6619.43 124122.54 16:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:20:22 10964556 14172052 1789496 10.93 124700 3217988 2134076 12.25 534136 4501456 32316 16:30:02 9391916 13458820 2494660 15.24 161708 3965148 2688704 15.43 753076 5776548 10672 Average: 10178236 13815436 2142078 13.08 143204 3591568 2411390 13.84 643606 5139002 21494 16:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:20:22 lo 0.96 0.96 0.10 0.10 0.00 0.00 0.00 0.00 16:20:22 ens3 138.61 103.52 962.43 22.49 0.00 0.00 0.00 0.00 16:20:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:30:02 lo 528.43 528.43 502.87 502.87 0.00 0.00 0.00 0.00 16:30:02 ens3 84.97 62.29 339.58 18.37 0.00 0.00 0.00 0.00 16:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 256.02 256.02 243.22 243.22 0.00 0.00 0.00 0.00 Average: ens3 112.67 83.58 661.24 20.50 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-20740) 05/27/26 _x86_64_ (4 CPU) 16:09:40 LINUX RESTART (4 CPU) 16:10:02 CPU %user %nice %system %iowait %steal %idle 16:20:22 all 42.02 0.00 1.64 1.48 0.10 54.76 16:20:22 0 42.38 0.00 1.70 1.58 0.09 54.25 16:20:22 1 42.46 0.00 1.70 2.46 0.10 53.29 16:20:22 2 42.67 0.00 1.61 1.27 0.10 54.35 16:20:22 3 40.60 0.00 1.56 0.62 0.10 57.13 16:30:02 all 70.07 0.00 2.45 0.18 0.13 27.17 16:30:02 0 69.50 0.00 2.42 0.11 0.13 27.83 16:30:02 1 70.10 0.00 2.34 0.17 0.13 27.27 16:30:02 2 69.67 0.00 2.60 0.32 0.13 27.28 16:30:02 3 71.01 0.00 2.44 0.11 0.13 26.31 Average: all 55.58 0.00 2.03 0.85 0.11 41.43 Average: 0 55.49 0.00 2.05 0.87 0.11 41.48 Average: 1 55.82 0.00 2.01 1.35 0.11 40.70 Average: 2 55.72 0.00 2.09 0.81 0.11 41.27 Average: 3 55.28 0.00 1.98 0.37 0.11 42.26