---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-427545 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 662 10057 4 5269 14984 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:46:87:88 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.26/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84651sec preferred_lft 84651sec inet6 fe80::f816:3eff:fe46:8788/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:da:59:34:43:a1 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-427545) 03/10/26 _x86_64_ (4 CPU) 13:28:00 LINUX RESTART (4 CPU) 13:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:40:01 59.52 2.70 48.71 8.12 352.25 4544.52 167470.93 13:50:11 18.27 0.15 15.32 2.80 4.37 1340.28 27570.42 Average: 38.72 1.41 31.87 5.43 176.82 2928.75 96924.46 13:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:40:01 9444504 12791900 3168520 19.35 150544 3335156 3365640 19.32 718596 5841836 1408 13:50:11 9119972 12855960 3101044 18.94 166840 3682144 3336896 19.15 829332 6024096 111348 Average: 9282238 12823930 3134782 19.15 158692 3508650 3351268 19.24 773964 5932966 56378 13:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:40:01 lo 18.76 18.76 4.06 4.06 0.00 0.00 0.00 0.00 13:40:01 ens3 53.50 43.17 533.49 8.17 0.00 0.00 0.00 0.00 13:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:11 lo 1069.31 1069.31 988.18 988.18 0.00 0.00 0.00 0.00 13:50:11 ens3 26.49 20.15 222.75 3.61 0.00 0.00 0.00 0.00 13:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 548.52 548.52 500.31 500.31 0.00 0.00 0.00 0.00 Average: ens3 39.88 31.56 376.80 5.87 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-427545) 03/10/26 _x86_64_ (4 CPU) 13:28:00 LINUX RESTART (4 CPU) 13:30:01 CPU %user %nice %system %iowait %steal %idle 13:40:01 all 38.46 0.00 1.47 0.55 0.10 59.43 13:40:01 0 38.99 0.00 1.38 0.44 0.10 59.10 13:40:01 1 40.10 0.00 1.46 0.34 0.10 58.00 13:40:01 2 38.22 0.00 1.77 1.04 0.10 58.87 13:40:01 3 36.52 0.00 1.26 0.38 0.10 61.74 13:50:11 all 23.50 0.00 1.37 0.06 0.09 74.98 13:50:11 0 23.44 0.00 1.39 0.02 0.09 75.06 13:50:11 1 23.50 0.00 1.34 0.05 0.09 75.02 13:50:11 2 23.19 0.00 1.42 0.13 0.09 75.16 13:50:11 3 23.87 0.00 1.32 0.04 0.09 74.68 Average: all 30.92 0.00 1.42 0.30 0.09 67.27 Average: 0 31.15 0.00 1.38 0.23 0.09 67.15 Average: 1 31.73 0.00 1.40 0.20 0.09 66.58 Average: 2 30.64 0.00 1.60 0.58 0.09 67.09 Average: 3 30.15 0.00 1.29 0.21 0.09 68.26