---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22988 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 12G 67G 15% / 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 653 9442 4 5893 14993 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:69:2a:81 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.73/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84630sec preferred_lft 84630sec inet6 fe80::f816:3eff:fe69:2a81/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:2c:91:7d:f6:bf 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-22988) 01/08/26 _x86_64_ (4 CPU) 01:08:26 LINUX RESTART (4 CPU) 01:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:05 32.06 3.74 24.88 3.43 576.06 4647.83 73007.20 01:30:16 20.69 0.16 17.47 3.07 4.93 1624.98 23333.95 Average: 26.34 1.94 21.15 3.25 288.71 3126.97 48015.52 01:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:05 9727988 13187324 2771884 16.93 127088 3460944 3128232 17.96 797404 5464040 17500 01:30:16 9085936 12917420 3038620 18.56 147868 3784280 3286892 18.87 929184 5949192 36432 Average: 9406962 13052372 2905252 17.74 137478 3622612 3207562 18.41 863294 5706616 26966 01:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:05 lo 20.68 20.68 4.58 4.58 0.00 0.00 0.00 0.00 01:20:05 ens3 68.74 56.13 643.50 12.39 0.00 0.00 0.00 0.00 01:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:16 lo 1229.64 1229.64 1142.70 1142.70 0.00 0.00 0.00 0.00 01:30:16 ens3 38.01 29.88 244.49 7.39 0.00 0.00 0.00 0.00 01:30:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 628.94 628.94 577.19 577.19 0.00 0.00 0.00 0.00 Average: ens3 53.28 42.93 442.75 9.87 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-22988) 01/08/26 _x86_64_ (4 CPU) 01:08:26 LINUX RESTART (4 CPU) 01:10:01 CPU %user %nice %system %iowait %steal %idle 01:20:05 all 38.42 0.00 1.48 0.17 0.08 59.86 01:20:05 0 37.65 0.00 1.20 0.12 0.08 60.95 01:20:05 1 38.83 0.00 1.42 0.22 0.08 59.45 01:20:05 2 38.13 0.00 1.81 0.17 0.08 59.82 01:20:05 3 39.07 0.00 1.48 0.16 0.08 59.21 01:30:16 all 27.87 0.00 1.57 0.06 0.09 70.41 01:30:16 0 28.27 0.00 1.55 0.06 0.09 70.03 01:30:16 1 26.90 0.00 1.42 0.11 0.10 71.48 01:30:16 2 28.86 0.00 1.90 0.03 0.09 69.12 01:30:16 3 27.44 0.00 1.41 0.05 0.09 71.01 Average: all 33.11 0.00 1.52 0.12 0.09 65.16 Average: 0 32.93 0.00 1.38 0.09 0.08 65.52 Average: 1 32.83 0.00 1.42 0.17 0.09 65.49 Average: 2 33.47 0.00 1.86 0.10 0.09 64.49 Average: 3 33.22 0.00 1.44 0.10 0.09 65.15