---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7982 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 690 9448 4 5851 14956 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:02:ef:12 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.98/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84401sec preferred_lft 84401sec inet6 fe80::f816:3eff:fe02:ef12/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:08:d6:96:a8:0e 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-7982) 03/22/26 _x86_64_ (4 CPU) 01:06:29 LINUX RESTART (4 CPU) 01:10:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 25.29 2.63 19.16 3.51 150.92 3678.12 48754.10 01:30:04 19.32 0.16 16.42 2.74 4.74 1621.00 23459.96 Average: 22.26 1.37 17.77 3.12 76.67 2633.29 35907.00 01:10:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 9989032 13389280 2570632 15.70 130584 3392756 2921108 16.77 671076 5335440 17000 01:30:04 9468152 13230680 2725864 16.65 150716 3706792 3181280 18.26 794048 5699496 17580 Average: 9728592 13309980 2648248 16.17 140650 3549774 3051194 17.51 732562 5517468 17290 01:10:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 19.19 19.19 4.17 4.17 0.00 0.00 0.00 0.00 01:20:01 ens3 70.26 59.36 649.94 12.09 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 01:30:04 lo 1042.32 1042.32 961.53 961.53 0.00 0.00 0.00 0.00 01:30:04 ens3 32.44 23.04 247.82 5.33 0.00 0.00 0.00 0.00 01:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 538.85 538.85 490.42 490.42 0.00 0.00 0.00 0.00 Average: ens3 51.05 40.91 445.70 8.66 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-7982) 03/22/26 _x86_64_ (4 CPU) 01:06:29 LINUX RESTART (4 CPU) 01:10:17 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 37.10 0.00 1.36 0.14 0.08 61.32 01:20:01 0 36.34 0.00 1.42 0.22 0.08 61.95 01:20:01 1 36.46 0.00 1.30 0.19 0.08 61.98 01:20:01 2 37.20 0.00 1.45 0.07 0.08 61.20 01:20:01 3 38.42 0.00 1.25 0.07 0.08 60.18 01:30:04 all 24.59 0.00 1.33 0.05 0.08 73.95 01:30:04 0 24.78 0.00 1.57 0.05 0.08 73.52 01:30:04 1 24.50 0.00 1.21 0.04 0.08 74.18 01:30:04 2 24.71 0.00 1.37 0.08 0.08 73.76 01:30:04 3 24.37 0.00 1.17 0.04 0.08 74.35 Average: all 30.75 0.00 1.34 0.09 0.08 67.73 Average: 0 30.47 0.00 1.49 0.13 0.08 67.82 Average: 1 30.39 0.00 1.25 0.11 0.08 68.17 Average: 2 30.86 0.00 1.41 0.08 0.08 67.57 Average: 3 31.29 0.00 1.21 0.05 0.08 67.37