---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1126 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 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 687 9437 4 5864 14959 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:8f:b0:9f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.8/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84488sec preferred_lft 84488sec inet6 fe80::f816:3eff:fe8f:b09f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:54:b9:25:d7: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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-1126) 04/08/26 _x86_64_ (4 CPU) 01:06:21 LINUX RESTART (4 CPU) 01:10:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 23.60 1.05 19.08 3.47 51.62 3385.50 44870.28 01:30:06 22.97 0.16 19.61 3.20 4.87 1790.66 25263.11 Average: 23.28 0.60 19.34 3.34 28.07 2582.14 34993.66 01:10:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 9636040 13060724 2898888 17.71 130996 3415568 3153568 18.10 676304 5675544 384 01:30:06 9251596 13086088 2869680 17.53 156532 3769724 3271248 18.78 815804 5873644 21548 Average: 9443818 13073406 2884284 17.62 143764 3592646 3212408 18.44 746054 5774594 10966 01:10:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 24.88 24.88 5.96 5.96 0.00 0.00 0.00 0.00 01:20:01 ens3 28.26 23.13 158.56 6.61 0.00 0.00 0.00 0.00 01:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:06 lo 1280.49 1280.49 1194.01 1194.01 0.00 0.00 0.00 0.00 01:30:06 ens3 41.11 29.94 263.88 7.88 0.00 0.00 0.00 0.00 01:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 657.36 657.36 604.41 604.41 0.00 0.00 0.00 0.00 Average: ens3 34.73 26.56 211.61 7.25 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-1126) 04/08/26 _x86_64_ (4 CPU) 01:06:21 LINUX RESTART (4 CPU) 01:10:06 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 37.56 0.00 1.39 0.27 0.09 60.68 01:20:01 0 37.87 0.00 1.36 0.15 0.09 60.53 01:20:01 1 35.78 0.00 1.10 0.27 0.09 62.75 01:20:01 2 37.13 0.00 1.31 0.47 0.09 61.00 01:20:01 3 39.45 0.00 1.78 0.21 0.10 58.47 01:30:06 all 32.57 0.00 1.70 0.25 0.09 65.39 01:30:06 0 32.96 0.00 1.61 0.47 0.08 64.88 01:30:06 1 32.08 0.00 1.69 0.16 0.08 65.98 01:30:06 2 33.04 0.00 2.06 0.20 0.09 64.62 01:30:06 3 32.19 0.00 1.46 0.19 0.08 66.08 Average: all 35.05 0.00 1.55 0.26 0.09 63.05 Average: 0 35.40 0.00 1.49 0.31 0.09 62.72 Average: 1 33.92 0.00 1.40 0.21 0.09 64.38 Average: 2 35.07 0.00 1.68 0.33 0.09 62.82 Average: 3 35.80 0.00 1.62 0.20 0.09 62.30