---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53821 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 9.9G 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 661 11054 4 4273 14985 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:b1:35:92 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.230/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84257sec preferred_lft 84257sec inet6 fe80::f816:3eff:feb1:3592/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:c2:2d:4f:b3:4b 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-53821) 03/28/26 _x86_64_ (4 CPU) 20:53:27 LINUX RESTART (4 CPU) 21:00:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:01 13.28 2.60 9.63 1.06 144.35 2205.58 1805.59 21:20:16 49.98 0.01 40.56 9.41 0.61 3428.83 14748.72 Average: 32.08 1.27 25.47 5.34 70.72 2832.21 8435.93 21:00:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:01 11089440 13984360 1978952 12.09 123204 2938708 2305900 13.24 464420 4481548 16544 21:20:16 9910700 13555036 2401524 14.67 187516 3542840 2651660 15.22 659184 5381940 111260 Average: 10500070 13769698 2190238 13.38 155360 3240774 2478780 14.23 561802 4931744 63902 21:00:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:01 lo 579.76 579.76 552.84 552.84 0.00 0.00 0.00 0.00 21:10:01 ens3 82.01 65.09 801.53 12.16 0.00 0.00 0.00 0.00 21:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:16 lo 4828.60 4828.60 4605.24 4605.24 0.00 0.00 0.00 0.00 21:20:16 ens3 98.37 77.49 28.99 26.75 0.00 0.00 0.00 0.00 21:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2756.30 2756.30 2628.75 2628.75 0.00 0.00 0.00 0.00 Average: ens3 90.39 71.44 405.78 19.63 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-53821) 03/28/26 _x86_64_ (4 CPU) 20:53:27 LINUX RESTART (4 CPU) 21:00:16 CPU %user %nice %system %iowait %steal %idle 21:10:01 all 16.41 0.00 0.94 0.06 0.04 82.54 21:10:01 0 17.09 0.00 0.82 0.05 0.05 82.00 21:10:01 1 15.74 0.00 1.17 0.13 0.03 82.93 21:10:01 2 15.96 0.00 0.93 0.06 0.05 83.01 21:10:01 3 16.85 0.00 0.86 0.02 0.04 82.23 21:20:16 all 64.76 0.00 4.19 0.11 0.10 30.84 21:20:16 0 64.41 0.00 4.05 0.06 0.10 31.39 21:20:16 1 64.84 0.00 4.12 0.19 0.10 30.74 21:20:16 2 65.60 0.00 3.98 0.10 0.10 30.21 21:20:16 3 64.18 0.00 4.61 0.10 0.10 31.02 Average: all 41.12 0.00 2.60 0.09 0.07 56.11 Average: 0 41.26 0.00 2.47 0.06 0.07 56.14 Average: 1 40.85 0.00 2.68 0.16 0.07 56.24 Average: 2 41.32 0.00 2.49 0.08 0.07 56.03 Average: 3 41.05 0.00 2.78 0.06 0.07 56.05