---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-473919 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 16% / 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 634 8886 4 6468 15012 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:71:4c:07 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.92/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84622sec preferred_lft 84622sec inet6 fe80::f816:3eff:fe71:4c07/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:2b:ba:2f:f5:6e 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-473919) 03/14/26 _x86_64_ (4 CPU) 17:54:00 LINUX RESTART (4 CPU) 18:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:10:16 25.89 0.03 22.98 2.88 0.69 2279.56 11740.67 18:20:04 21.83 0.03 19.69 2.11 0.39 4007.54 14060.45 Average: 23.91 0.03 21.37 2.50 0.55 3124.28 12874.70 18:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:10:16 9240320 12953864 3003112 18.34 144192 3680328 3335272 19.14 715148 6024024 93332 18:20:04 5672448 10269916 5683196 34.71 158596 4511016 5470916 31.40 989456 9246780 29880 Average: 7456384 11611890 4343154 26.53 151394 4095672 4403094 25.27 852302 7635402 61606 18:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:10:16 lo 1459.79 1459.79 1385.46 1385.46 0.00 0.00 0.00 0.00 18:10:16 ens3 22.85 20.81 17.40 6.83 0.00 0.00 0.00 0.00 18:10:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:04 lo 945.37 945.37 3694.73 3694.73 0.00 0.00 0.00 0.00 18:20:04 ens3 23.50 21.43 44.05 6.28 0.00 0.00 0.00 0.00 18:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1208.32 1208.32 2514.35 2514.35 0.00 0.00 0.00 0.00 Average: ens3 23.17 21.11 30.43 6.56 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-473919) 03/14/26 _x86_64_ (4 CPU) 17:54:00 LINUX RESTART (4 CPU) 18:00:01 CPU %user %nice %system %iowait %steal %idle 18:10:16 all 67.11 0.00 2.34 0.05 0.09 30.41 18:10:16 0 67.72 0.00 2.22 0.04 0.09 29.92 18:10:16 1 67.88 0.00 2.74 0.05 0.09 29.23 18:10:16 2 66.94 0.00 2.15 0.03 0.09 30.78 18:10:16 3 65.90 0.00 2.23 0.08 0.09 31.69 18:20:04 all 53.13 0.00 1.92 0.08 0.09 44.78 18:20:04 0 54.83 0.00 1.81 0.08 0.09 43.20 18:20:04 1 51.27 0.00 1.99 0.04 0.09 46.61 18:20:04 2 57.09 0.00 2.15 0.09 0.09 40.59 18:20:04 3 49.34 0.00 1.74 0.11 0.09 48.72 Average: all 60.28 0.00 2.13 0.07 0.09 37.43 Average: 0 61.41 0.00 2.02 0.06 0.09 36.42 Average: 1 59.76 0.00 2.37 0.05 0.09 37.73 Average: 2 62.12 0.00 2.15 0.06 0.09 35.57 Average: 3 57.80 0.00 1.99 0.10 0.09 40.02