---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4944 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: 5599.94 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 9.8G 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 667 11057 4 4264 14978 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:d6:36:ef brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.70/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84821sec preferred_lft 84821sec inet6 fe80::f816:3eff:fed6:36ef/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:b7:de:eb:a6:0c 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-4944) 04/20/26 _x86_64_ (4 CPU) 20:53:55 LINUX RESTART (4 CPU) 21:00:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:07 47.83 2.55 37.97 7.31 141.86 4405.18 12438.73 21:20:07 47.77 0.33 26.00 21.44 14.65 3258.84 242323.79 Average: 47.80 1.44 31.98 14.38 78.25 3832.00 127383.17 21:00:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:07 10426608 13864912 2093980 12.79 158260 3393044 2371756 13.61 590512 4960364 145896 21:20:07 11390456 15398868 554932 3.39 197628 3876100 1074420 6.17 804932 3737868 12668 Average: 10908532 14631890 1324456 8.09 177944 3634572 1723088 9.89 697722 4349116 79282 21:00:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:07 lo 4076.94 4076.94 3887.92 3887.92 0.00 0.00 0.00 0.00 21:10:07 ens3 163.55 122.29 758.67 31.90 0.00 0.00 0.00 0.00 21:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:07 lo 2049.82 2049.82 1938.15 1938.15 0.00 0.00 0.00 0.00 21:20:07 ens3 144.56 131.81 131.61 184.74 0.00 0.00 0.00 0.00 21:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3063.37 3063.37 2913.02 2913.02 0.00 0.00 0.00 0.00 Average: ens3 154.06 127.05 445.14 108.32 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-4944) 04/20/26 _x86_64_ (4 CPU) 20:53:55 LINUX RESTART (4 CPU) 21:00:07 CPU %user %nice %system %iowait %steal %idle 21:10:07 all 63.41 0.00 3.70 0.09 0.10 32.71 21:10:07 0 63.39 0.00 3.42 0.09 0.10 33.01 21:10:07 1 64.21 0.00 4.03 0.17 0.09 31.49 21:10:07 2 63.42 0.00 3.57 0.07 0.09 32.84 21:10:07 3 62.61 0.00 3.76 0.04 0.10 33.48 21:20:07 all 41.22 0.00 2.27 0.11 0.07 56.33 21:20:07 0 32.53 0.00 1.90 0.18 0.07 65.32 21:20:07 1 37.90 0.00 2.01 0.14 0.07 59.88 21:20:07 2 47.00 0.00 2.81 0.05 0.08 50.07 21:20:07 3 47.49 0.00 2.36 0.07 0.08 50.01 Average: all 52.30 0.00 2.98 0.10 0.08 44.53 Average: 0 47.93 0.00 2.66 0.14 0.08 49.19 Average: 1 51.04 0.00 3.02 0.16 0.08 45.71 Average: 2 55.20 0.00 3.19 0.06 0.09 41.46 Average: 3 55.04 0.00 3.06 0.06 0.09 41.75