---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1627 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 66G 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 670 9115 4 6203 14976 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:c4:75:11 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.143/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84550sec preferred_lft 84550sec inet6 fe80::f816:3eff:fec4:7511/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:70:c0:23:8c:2e 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-1627) 04/10/26 _x86_64_ (4 CPU) 01:06:20 LINUX RESTART (4 CPU) 01:10:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 39.76 0.94 21.85 16.96 405.37 7123.75 305778.56 01:30:10 23.17 0.16 19.86 3.15 4.80 3451.79 23737.60 Average: 31.36 0.55 20.85 9.97 202.63 5265.24 163027.68 01:10:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 9285680 13067684 2889000 17.64 135816 3762448 3221272 18.49 851812 5845464 240 01:30:10 8784844 12977452 2976160 18.18 156020 4123596 3325384 19.09 989724 6172492 26332 Average: 9035262 13022568 2932580 17.91 145918 3943022 3273328 18.79 920768 6008978 13286 01:10:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 27.62 27.62 6.44 6.44 0.00 0.00 0.00 0.00 01:20:01 ens3 43.46 34.91 358.60 7.05 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 01:30:10 lo 1299.39 1299.39 1214.56 1214.56 0.00 0.00 0.00 0.00 01:30:10 ens3 41.53 30.81 262.56 8.34 0.00 0.00 0.00 0.00 01:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 671.31 671.31 617.92 617.92 0.00 0.00 0.00 0.00 Average: ens3 42.48 32.83 309.99 7.71 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-1627) 04/10/26 _x86_64_ (4 CPU) 01:06:20 LINUX RESTART (4 CPU) 01:10:07 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 35.97 0.00 1.55 0.17 0.10 62.22 01:20:01 0 35.94 0.00 1.71 0.19 0.10 62.06 01:20:01 1 37.32 0.00 1.39 0.10 0.11 61.09 01:20:01 2 35.46 0.00 1.73 0.20 0.10 62.51 01:20:01 3 35.14 0.00 1.38 0.18 0.10 63.20 01:30:10 all 32.50 0.00 1.61 0.07 0.08 65.74 01:30:10 0 32.30 0.00 1.70 0.04 0.08 65.88 01:30:10 1 32.74 0.00 1.87 0.04 0.08 65.28 01:30:10 2 32.59 0.00 1.48 0.04 0.08 65.81 01:30:10 3 32.37 0.00 1.41 0.16 0.08 65.99 Average: all 34.21 0.00 1.58 0.12 0.09 64.00 Average: 0 34.10 0.00 1.70 0.11 0.09 63.99 Average: 1 35.00 0.00 1.63 0.07 0.09 63.21 Average: 2 34.01 0.00 1.60 0.12 0.09 64.18 Average: 3 33.74 0.00 1.40 0.17 0.09 64.61