---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6464 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 11G 67G 14% / 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 638 10415 4 4935 15008 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:1c:04:62 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 84799sec preferred_lft 84799sec inet6 fe80::f816:3eff:fe1c:462/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:aa:f9:50:ae:70 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-6464) 03/20/26 _x86_64_ (4 CPU) 20:07:27 LINUX RESTART (4 CPU) 20:10:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:10 10.42 1.74 8.19 0.49 123.51 1837.27 578.83 20:30:01 10.61 0.53 9.52 0.56 19.32 1696.49 1560.03 Average: 10.51 1.14 8.85 0.53 71.57 1767.09 1067.94 20:10:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:10 9152820 12212188 3749948 22.90 115448 3108324 3954112 22.70 523972 6355052 848 20:30:01 9056124 12816704 3141280 19.19 133508 3753240 3298996 18.94 716068 6218548 270824 Average: 9104472 12514446 3445614 21.04 124478 3430782 3626554 20.82 620020 6286800 135836 20:10:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:10 lo 0.69 0.69 0.40 0.40 0.00 0.00 0.00 0.00 20:20:10 ens3 30.58 25.10 285.65 4.09 0.00 0.00 0.00 0.00 20:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:01 lo 218.13 218.13 207.74 207.74 0.00 0.00 0.00 0.00 20:30:01 ens3 37.20 29.08 439.50 3.63 0.00 0.00 0.00 0.00 20:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 109.08 109.08 103.75 103.75 0.00 0.00 0.00 0.00 Average: ens3 33.88 27.09 362.34 3.86 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-6464) 03/20/26 _x86_64_ (4 CPU) 20:07:27 LINUX RESTART (4 CPU) 20:10:16 CPU %user %nice %system %iowait %steal %idle 20:20:10 all 51.79 0.00 0.95 0.05 0.08 47.14 20:20:10 0 56.43 0.00 0.97 0.04 0.08 42.48 20:20:10 1 57.89 0.00 0.87 0.02 0.07 41.14 20:20:10 2 46.80 0.00 0.99 0.05 0.07 52.08 20:20:10 3 46.02 0.00 0.95 0.09 0.07 52.87 20:30:01 all 48.63 0.00 0.90 0.03 0.07 50.37 20:30:01 0 49.62 0.00 0.84 0.02 0.07 49.45 20:30:01 1 47.20 0.00 1.15 0.05 0.07 51.53 20:30:01 2 59.61 0.00 0.72 0.03 0.07 39.57 20:30:01 3 38.09 0.00 0.89 0.04 0.06 60.91 Average: all 50.21 0.00 0.92 0.04 0.07 48.75 Average: 0 53.03 0.00 0.90 0.03 0.07 45.96 Average: 1 52.56 0.00 1.01 0.03 0.07 46.32 Average: 2 53.19 0.00 0.86 0.04 0.07 45.84 Average: 3 42.07 0.00 0.92 0.07 0.07 56.88