---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10116 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 9.6G 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 630 11432 4 3926 15016 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:de:dd:24 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.120/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84611sec preferred_lft 84611sec inet6 fe80::f816:3eff:fede:dd24/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:e6:d9:4c:e7:ab 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-10116) 05/01/26 _x86_64_ (4 CPU) 08:07:41 LINUX RESTART (4 CPU) 08:10:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:20:12 1.44 0.02 1.42 0.00 0.88 16.75 0.13 08:30:01 36.72 2.60 33.52 0.60 145.03 2161.47 618.25 Average: 18.93 1.30 17.33 0.30 72.34 1079.99 306.57 08:10:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:20:12 13785836 15530768 488540 2.98 53684 1918260 1133516 6.51 193620 2143428 168 08:30:01 12591612 15144404 830648 5.07 99408 2642592 1340408 7.69 311756 3148392 256124 Average: 13188724 15337586 659594 4.03 76546 2280426 1236962 7.10 252688 2645910 128146 08:10:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:20:12 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 08:20:12 ens3 0.28 0.39 0.08 0.06 0.00 0.00 0.00 0.00 08:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 lo 0.31 0.31 0.04 0.04 0.00 0.00 0.00 0.00 08:30:01 ens3 59.61 46.33 635.71 9.52 0.00 0.00 0.00 0.00 08:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.20 0.20 0.03 0.03 0.00 0.00 0.00 0.00 Average: ens3 29.70 23.17 315.19 4.75 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-10116) 05/01/26 _x86_64_ (4 CPU) 08:07:41 LINUX RESTART (4 CPU) 08:10:12 CPU %user %nice %system %iowait %steal %idle 08:20:12 all 0.05 0.00 0.02 0.01 0.02 99.90 08:20:12 0 0.01 0.00 0.02 0.02 0.01 99.94 08:20:12 1 0.03 0.00 0.03 0.00 0.03 99.91 08:20:12 2 0.13 0.00 0.02 0.01 0.02 99.82 08:20:12 3 0.03 0.00 0.02 0.00 0.02 99.93 08:30:01 all 4.43 0.00 0.40 0.25 0.03 94.88 08:30:01 0 4.80 0.00 0.47 0.08 0.03 94.62 08:30:01 1 3.36 0.00 0.34 0.45 0.03 95.82 08:30:01 2 5.61 0.00 0.49 0.38 0.03 93.49 08:30:01 3 3.95 0.00 0.32 0.09 0.03 95.61 Average: all 2.22 0.00 0.21 0.13 0.03 97.41 Average: 0 2.39 0.00 0.24 0.05 0.02 97.30 Average: 1 1.68 0.00 0.19 0.23 0.03 97.88 Average: 2 2.85 0.00 0.25 0.19 0.03 96.67 Average: 3 1.97 0.00 0.17 0.05 0.02 97.79