---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5811 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 645 9371 4 5972 15001 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:f2:6b:72 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.243/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84789sec preferred_lft 84789sec inet6 fe80::f816:3eff:fef2:6b72/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:29:8e:f6:29:7c 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-5811) 03/19/26 _x86_64_ (4 CPU) 06:26:47 LINUX RESTART (4 CPU) 06:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:04 22.73 0.35 18.53 3.86 210.61 2220.63 56506.63 06:50:04 26.11 0.16 22.14 3.81 4.65 1961.36 25029.88 Average: 24.42 0.25 20.33 3.83 107.85 2091.28 40802.28 06:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:04 9563176 13179608 2778312 16.97 130360 3607928 2995536 17.19 753936 5668400 760 06:50:04 8862024 13120696 2832928 17.30 150940 4195228 2875828 16.51 956620 6113188 250448 Average: 9212600 13150152 2805620 17.14 140650 3901578 2935682 16.85 855278 5890794 125604 06:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:04 lo 32.15 32.15 7.43 7.43 0.00 0.00 0.00 0.00 06:40:04 ens3 19.21 14.72 153.34 3.77 0.00 0.00 0.00 0.00 06:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:04 lo 1546.26 1546.26 1451.93 1451.93 0.00 0.00 0.00 0.00 06:50:04 ens3 44.40 33.16 338.18 6.73 0.00 0.00 0.00 0.00 06:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 787.57 787.57 728.12 728.12 0.00 0.00 0.00 0.00 Average: ens3 31.77 23.92 245.56 5.25 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-5811) 03/19/26 _x86_64_ (4 CPU) 06:26:47 LINUX RESTART (4 CPU) 06:30:01 CPU %user %nice %system %iowait %steal %idle 06:40:04 all 30.22 0.00 1.11 0.12 0.08 68.46 06:40:04 0 30.57 0.00 1.26 0.15 0.08 67.94 06:40:04 1 30.12 0.00 1.13 0.22 0.09 68.45 06:40:04 2 29.90 0.00 1.13 0.06 0.08 68.82 06:40:04 3 30.28 0.00 0.94 0.07 0.08 68.63 06:50:04 all 39.48 0.00 1.91 0.07 0.09 58.45 06:50:04 0 39.14 0.00 1.96 0.04 0.10 58.77 06:50:04 1 39.48 0.00 1.99 0.15 0.09 58.28 06:50:04 2 40.10 0.00 1.76 0.05 0.09 58.00 06:50:04 3 39.21 0.00 1.92 0.04 0.09 58.74 Average: all 34.83 0.00 1.51 0.10 0.09 63.47 Average: 0 34.84 0.00 1.61 0.09 0.09 63.37 Average: 1 34.79 0.00 1.56 0.19 0.09 63.38 Average: 2 34.99 0.00 1.44 0.05 0.09 63.43 Average: 3 34.73 0.00 1.43 0.05 0.09 63.71