---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6385 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 660 8502 4 6826 14986 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:19:72:51 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.54/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84595sec preferred_lft 84595sec inet6 fe80::f816:3eff:fe19:7251/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:71:45:22:cf:26 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-6385) 03/20/26 _x86_64_ (4 CPU) 09:57:19 LINUX RESTART (4 CPU) 10:00:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:07 28.94 1.00 24.59 3.35 625.72 4035.39 22432.33 10:20:01 31.29 0.02 28.09 3.18 0.30 2662.15 23929.88 Average: 30.11 0.51 26.33 3.27 314.85 3352.82 23176.69 10:00:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:07 9536248 13417216 2539668 15.51 141620 3856432 2609244 14.98 884260 5559140 34072 10:20:01 8697440 13192836 2760876 16.86 166404 4411288 2771028 15.91 1015888 6233656 185912 Average: 9116844 13305026 2650272 16.19 154012 4133860 2690136 15.44 950074 5896398 109992 10:00:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:07 lo 1568.82 1568.82 1489.48 1489.48 0.00 0.00 0.00 0.00 10:10:07 ens3 56.04 40.06 239.21 9.71 0.00 0.00 0.00 0.00 10:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 lo 1350.65 1350.65 1286.19 1286.19 0.00 0.00 0.00 0.00 10:20:01 ens3 31.02 26.55 46.67 7.72 0.00 0.00 0.00 0.00 10:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1460.38 1460.38 1388.44 1388.44 0.00 0.00 0.00 0.00 Average: ens3 43.61 33.34 143.51 8.72 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-6385) 03/20/26 _x86_64_ (4 CPU) 09:57:19 LINUX RESTART (4 CPU) 10:00:07 CPU %user %nice %system %iowait %steal %idle 10:10:07 all 69.75 0.00 2.51 0.06 0.10 27.58 10:10:07 0 69.67 0.00 2.67 0.09 0.10 27.47 10:10:07 1 71.75 0.00 2.54 0.05 0.09 25.58 10:10:07 2 70.16 0.00 2.46 0.07 0.10 27.21 10:10:07 3 67.43 0.00 2.36 0.04 0.10 30.06 10:20:01 all 64.96 0.00 2.56 0.07 0.10 32.31 10:20:01 0 61.80 0.00 2.55 0.08 0.10 35.47 10:20:01 1 68.37 0.00 2.68 0.07 0.10 28.78 10:20:01 2 62.92 0.00 2.30 0.08 0.10 34.59 10:20:01 3 66.75 0.00 2.71 0.05 0.10 30.39 Average: all 67.37 0.00 2.53 0.07 0.10 29.93 Average: 0 65.76 0.00 2.61 0.09 0.10 31.45 Average: 1 70.07 0.00 2.61 0.06 0.10 27.17 Average: 2 66.56 0.00 2.38 0.07 0.10 30.88 Average: 3 67.09 0.00 2.53 0.05 0.10 30.23