---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12889 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 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 720 10920 4 4347 14925 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:f6:fa:88 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.36/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84912sec preferred_lft 84912sec inet6 fe80::f816:3eff:fef6:fa88/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:53:1b:f6:eb:68 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-12889) 12/11/25 _x86_64_ (4 CPU) 21:57:28 LINUX RESTART (4 CPU) 22:00:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:03 46.54 2.94 36.06 7.54 544.87 4741.07 14575.49 22:20:01 33.93 0.13 28.41 5.39 5.92 3584.08 10315.30 Average: 40.25 1.54 32.25 6.46 275.91 4163.69 12449.51 22:00:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:03 10265648 13679220 2279680 13.92 149532 3394384 2495760 14.33 677788 5054164 111044 22:20:01 11295016 15382284 570668 3.49 194004 3962884 1094528 6.28 895300 3730244 212 Average: 10780332 14530752 1425174 8.70 171768 3678634 1795144 10.30 786544 4392204 55628 22:00:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:03 lo 3401.34 3401.34 3241.93 3241.93 0.00 0.00 0.00 0.00 22:10:03 ens3 145.53 112.88 846.50 29.13 0.00 0.00 0.00 0.00 22:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:01 lo 2631.63 2631.63 2497.14 2497.14 0.00 0.00 0.00 0.00 22:20:01 ens3 111.44 101.59 120.15 151.15 0.00 0.00 0.00 0.00 22:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3017.23 3017.23 2870.25 2870.25 0.00 0.00 0.00 0.00 Average: ens3 128.51 107.25 484.02 90.02 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-12889) 12/11/25 _x86_64_ (4 CPU) 21:57:28 LINUX RESTART (4 CPU) 22:00:03 CPU %user %nice %system %iowait %steal %idle 22:10:03 all 55.64 0.00 3.26 0.94 0.10 40.06 22:10:03 0 56.20 0.00 3.31 1.23 0.11 39.16 22:10:03 1 55.19 0.00 3.37 0.72 0.11 40.62 22:10:03 2 55.30 0.00 3.15 0.88 0.10 40.57 22:10:03 3 55.85 0.00 3.22 0.94 0.10 39.88 22:20:01 all 45.76 0.00 2.58 0.86 0.09 50.70 22:20:01 0 42.89 0.00 2.49 1.48 0.09 53.05 22:20:01 1 49.41 0.00 2.91 0.36 0.09 47.22 22:20:01 2 46.30 0.00 2.55 0.79 0.09 50.27 22:20:01 3 44.46 0.00 2.37 0.80 0.09 52.27 Average: all 50.71 0.00 2.92 0.90 0.10 45.37 Average: 0 49.55 0.00 2.90 1.35 0.10 46.10 Average: 1 52.30 0.00 3.14 0.54 0.10 43.91 Average: 2 50.81 0.00 2.85 0.83 0.10 45.41 Average: 3 50.16 0.00 2.80 0.87 0.10 46.07