---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1564 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 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 672 10410 4 4906 14974 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:13:fc:c0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.136/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84542sec preferred_lft 84542sec inet6 fe80::f816:3eff:fe13:fcc0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:ec:47:cd:a7:35 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-1564) 03/18/26 _x86_64_ (4 CPU) 09:13:39 LINUX RESTART (4 CPU) 09:20:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:01 25.04 13.99 10.15 0.90 263.32 2934.23 403.02 09:40:04 28.74 1.06 23.20 4.49 34.87 4513.44 13810.21 Average: 26.90 7.49 16.71 2.70 148.48 3728.06 7142.48 09:20:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 10673752 14072480 1886104 11.52 142712 3366152 2159948 12.40 618160 4667932 36096 09:40:04 10731596 15390088 560180 3.42 181220 4493476 1077728 6.19 956844 4181260 79264 Average: 10702674 14731284 1223142 7.47 161966 3929814 1618838 9.29 787502 4424596 57680 09:20:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:01 lo 1.19 1.19 0.12 0.12 0.00 0.00 0.00 0.00 09:30:01 ens3 99.63 77.62 611.10 19.15 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:04 lo 1585.87 1585.87 1511.28 1511.28 0.00 0.00 0.00 0.00 09:40:04 ens3 86.10 66.93 424.78 20.73 0.00 0.00 0.00 0.00 09:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 797.77 797.77 759.74 759.74 0.00 0.00 0.00 0.00 Average: ens3 92.83 72.25 517.44 19.94 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-1564) 03/18/26 _x86_64_ (4 CPU) 09:13:39 LINUX RESTART (4 CPU) 09:20:04 CPU %user %nice %system %iowait %steal %idle 09:30:01 all 63.23 0.07 2.08 0.07 0.10 34.45 09:30:01 0 62.79 0.07 1.79 0.03 0.10 35.23 09:30:01 1 64.13 0.00 2.23 0.07 0.11 33.46 09:30:01 2 63.78 0.11 2.36 0.07 0.10 33.57 09:30:01 3 62.24 0.10 1.93 0.10 0.10 35.54 09:40:04 all 67.18 0.00 2.71 0.30 0.10 29.70 09:40:04 0 66.37 0.00 2.42 0.08 0.10 31.03 09:40:04 1 67.03 0.00 2.85 0.43 0.10 29.60 09:40:04 2 68.16 0.00 2.79 0.65 0.09 28.30 09:40:04 3 67.17 0.00 2.80 0.05 0.10 29.87 Average: all 65.22 0.03 2.40 0.19 0.10 32.06 Average: 0 64.59 0.03 2.11 0.06 0.10 33.12 Average: 1 65.58 0.00 2.54 0.25 0.10 31.52 Average: 2 65.98 0.06 2.58 0.36 0.10 30.92 Average: 3 64.72 0.05 2.36 0.08 0.10 32.69