---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-114216 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 593 10547 4 4848 15053 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:cf:d0:56 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.72/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84756sec preferred_lft 84756sec inet6 fe80::f816:3eff:fecf:d056/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:3f:9a:96:4f:76 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-114216) 03/06/26 _x86_64_ (4 CPU) 09:27:52 LINUX RESTART (4 CPU) 09:30:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:40:03 30.81 2.28 15.05 13.48 141.11 5267.68 243318.13 09:50:03 3.13 0.01 3.11 0.01 0.04 3410.97 1.07 Average: 16.97 1.14 9.08 6.75 70.57 4339.33 121659.60 09:30:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:40:03 9021824 12740212 3219644 19.66 126084 3725008 3303884 18.96 573444 6386452 24996 09:50:03 7719356 12470148 3486240 21.29 126780 4728576 3610824 20.73 574396 7656520 12868 Average: 8370590 12605180 3352942 20.48 126432 4226792 3457354 19.85 573920 7021486 18932 09:30:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:40:03 lo 97.61 97.61 91.60 91.60 0.00 0.00 0.00 0.00 09:40:03 ens3 60.20 44.51 683.04 6.31 0.00 0.00 0.00 0.00 09:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:03 lo 1.66 1.66 0.25 0.25 0.00 0.00 0.00 0.00 09:50:03 ens3 0.45 0.18 0.10 0.10 0.00 0.00 0.00 0.00 09:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 49.63 49.63 45.93 45.93 0.00 0.00 0.00 0.00 Average: ens3 30.32 22.34 341.57 3.20 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-114216) 03/06/26 _x86_64_ (4 CPU) 09:27:52 LINUX RESTART (4 CPU) 09:30:03 CPU %user %nice %system %iowait %steal %idle 09:40:03 all 28.00 0.00 0.92 0.22 0.06 70.81 09:40:03 0 27.27 0.00 0.83 0.11 0.06 71.73 09:40:03 1 31.40 0.00 1.00 0.11 0.06 67.43 09:40:03 2 28.49 0.00 0.89 0.44 0.06 70.12 09:40:03 3 24.87 0.00 0.95 0.20 0.06 73.93 09:50:03 all 3.50 0.00 0.19 0.41 0.04 95.87 09:50:03 0 3.33 0.00 0.20 0.26 0.03 96.19 09:50:03 1 3.77 0.00 0.17 0.53 0.04 95.49 09:50:03 2 2.95 0.00 0.18 0.30 0.04 96.54 09:50:03 3 3.96 0.00 0.20 0.55 0.03 95.26 Average: all 15.74 0.00 0.55 0.31 0.05 83.35 Average: 0 15.29 0.00 0.51 0.18 0.05 83.96 Average: 1 17.56 0.00 0.58 0.32 0.05 81.48 Average: 2 15.71 0.00 0.53 0.37 0.05 83.34 Average: 3 14.40 0.00 0.57 0.38 0.05 84.60