---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-427551 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 13G 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 657 8437 4 6894 14989 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:3c:40:52 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.244/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85059sec preferred_lft 85059sec inet6 fe80::f816:3eff:fe3c:4052/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ae:fb:dc:a4:2f:43 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-427551) 03/10/26 _x86_64_ (4 CPU) 13:29:28 LINUX RESTART (4 CPU) 13:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:40:01 41.35 1.74 26.51 13.10 499.65 979.38 245386.32 13:50:21 28.47 3.59 23.49 1.38 185.36 15147.36 15369.07 Average: 34.81 2.68 24.98 7.15 340.05 8173.83 128584.25 13:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:40:01 13051752 15304412 696760 4.26 75716 2389592 1280748 7.35 406372 2633976 171164 13:50:21 8677536 15376876 570836 3.49 140020 6597704 1086772 6.24 1209780 5990244 836896 Average: 10864644 15340644 633798 3.87 107868 4493648 1183760 6.79 808076 4312110 504030 13:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:40:01 lo 0.17 0.17 0.02 0.02 0.00 0.00 0.00 0.00 13:40:01 ens3 30.89 20.57 238.49 4.88 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 13:50:21 lo 112.68 112.68 102.00 102.00 0.00 0.00 0.00 0.00 13:50:21 ens3 104.63 81.88 1069.18 13.97 0.00 0.00 0.00 0.00 13:50:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 57.30 57.30 51.80 51.80 0.00 0.00 0.00 0.00 Average: ens3 68.34 51.71 660.31 9.50 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-427551) 03/10/26 _x86_64_ (4 CPU) 13:29:28 LINUX RESTART (4 CPU) 13:30:00 CPU %user %nice %system %iowait %steal %idle 13:40:01 all 1.71 0.00 0.26 0.23 0.01 97.79 13:40:01 0 0.58 0.00 0.18 0.05 0.02 99.17 13:40:01 1 1.94 0.00 0.28 0.50 0.02 97.26 13:40:01 2 2.42 0.00 0.32 0.31 0.01 96.93 13:40:01 3 1.90 0.00 0.24 0.05 0.01 97.80 13:50:21 all 39.45 0.00 1.49 0.20 0.08 58.79 13:50:21 0 40.06 0.00 1.29 0.13 0.08 58.44 13:50:21 1 40.45 0.00 1.49 0.16 0.08 57.81 13:50:21 2 39.48 0.00 1.50 0.33 0.08 58.62 13:50:21 3 37.80 0.00 1.66 0.18 0.08 60.28 Average: all 20.85 0.00 0.88 0.21 0.05 78.00 Average: 0 20.62 0.00 0.74 0.09 0.05 78.50 Average: 1 21.49 0.00 0.89 0.33 0.05 77.24 Average: 2 21.20 0.00 0.92 0.32 0.05 77.51 Average: 3 20.11 0.00 0.96 0.11 0.05 78.77