---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4257 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 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 693 10732 4 4563 14952 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:17:06:cc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.37/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84979sec preferred_lft 84979sec inet6 fe80::f816:3eff:fe17:6cc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:cd:3a:d1:c3:b1 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-4257) 01/25/26 _x86_64_ (4 CPU) 21:57:49 LINUX RESTART (4 CPU) 22:00:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:06 49.52 3.06 38.88 7.59 746.23 5411.57 42519.48 22:20:22 32.37 0.14 26.89 5.34 6.39 3468.47 11516.33 Average: 40.72 1.56 32.72 6.43 366.36 4413.88 26600.82 22:00:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:06 10422692 13962752 1994684 12.18 155148 3515152 2205308 12.66 779648 4779864 23748 22:20:22 11158864 15467208 483856 2.96 199644 4176172 1002176 5.75 1004088 3736576 336 Average: 10790778 14714980 1239270 7.57 177396 3845662 1603742 9.21 891868 4258220 12042 22:00:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:06 lo 3704.19 3704.19 3531.28 3531.28 0.00 0.00 0.00 0.00 22:10:06 ens3 146.27 108.20 926.25 27.54 0.00 0.00 0.00 0.00 22:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:22 lo 2720.79 2720.79 2577.96 2577.96 0.00 0.00 0.00 0.00 22:20:22 ens3 126.82 119.88 127.54 173.10 0.00 0.00 0.00 0.00 22:20:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3199.26 3199.26 3041.79 3041.79 0.00 0.00 0.00 0.00 Average: ens3 136.29 114.20 516.15 102.28 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-4257) 01/25/26 _x86_64_ (4 CPU) 21:57:49 LINUX RESTART (4 CPU) 22:00:21 CPU %user %nice %system %iowait %steal %idle 22:10:06 all 56.63 0.00 3.57 0.23 0.09 39.48 22:10:06 0 56.04 0.00 3.85 0.24 0.09 39.77 22:10:06 1 56.02 0.00 3.69 0.20 0.09 40.00 22:10:06 2 57.15 0.00 3.29 0.18 0.09 39.29 22:10:06 3 57.31 0.00 3.45 0.29 0.09 38.86 22:20:22 all 47.73 0.00 2.67 0.11 0.10 49.39 22:20:22 0 42.30 0.00 2.66 0.08 0.11 54.86 22:20:22 1 47.80 0.00 2.62 0.13 0.10 49.35 22:20:22 2 50.04 0.00 2.71 0.13 0.10 47.03 22:20:22 3 50.77 0.00 2.69 0.12 0.09 46.33 Average: all 52.06 0.00 3.11 0.17 0.10 44.58 Average: 0 48.98 0.00 3.24 0.15 0.10 47.53 Average: 1 51.80 0.00 3.14 0.16 0.10 44.80 Average: 2 53.50 0.00 2.99 0.15 0.10 43.27 Average: 3 53.95 0.00 3.06 0.20 0.09 42.70