---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-488764 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 656 10332 4 5000 14990 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:8f:96:b4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.100/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84729sec preferred_lft 84729sec inet6 fe80::f816:3eff:fe8f:96b4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:95:ef:f5:06:a9 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-488764) 03/16/26 _x86_64_ (4 CPU) 09:34:25 LINUX RESTART (4 CPU) 09:40:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:50:06 3.83 0.10 3.57 0.16 8.48 640.25 60.09 10:00:23 15.68 0.50 14.00 1.18 18.44 2141.14 10412.91 Average: 9.84 0.30 8.86 0.68 13.53 1401.55 5311.36 09:40:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:50:06 8266896 11453028 4509504 27.54 114876 3234056 4645852 26.67 626208 7135348 1888 10:00:23 9932956 13595464 2363224 14.43 136072 3658920 2499928 14.35 808228 5245416 37572 Average: 9099926 12524246 3436364 20.99 125474 3446488 3572890 20.51 717218 6190382 19730 09:40:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:50:06 lo 0.61 0.61 0.38 0.38 0.00 0.00 0.00 0.00 09:50:06 ens3 11.97 9.61 77.36 2.20 0.00 0.00 0.00 0.00 09:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:23 lo 363.74 363.74 346.10 346.10 0.00 0.00 0.00 0.00 10:00:23 ens3 37.47 28.28 398.43 3.96 0.00 0.00 0.00 0.00 10:00:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 184.80 184.80 175.74 175.74 0.00 0.00 0.00 0.00 Average: ens3 24.90 19.08 240.21 3.09 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-488764) 03/16/26 _x86_64_ (4 CPU) 09:34:25 LINUX RESTART (4 CPU) 09:40:06 CPU %user %nice %system %iowait %steal %idle 09:50:06 all 46.62 0.00 0.66 0.02 0.08 52.61 09:50:06 0 40.46 0.00 0.64 0.02 0.08 58.80 09:50:06 1 39.70 0.00 0.78 0.03 0.08 59.40 09:50:06 2 50.79 0.00 0.57 0.03 0.08 48.54 09:50:06 3 55.54 0.00 0.64 0.01 0.09 43.72 10:00:23 all 53.44 0.00 1.19 0.05 0.08 45.24 10:00:23 0 81.49 0.00 1.02 0.03 0.10 17.36 10:00:23 1 43.39 0.00 1.05 0.03 0.08 55.45 10:00:23 2 40.56 0.00 1.20 0.06 0.08 58.09 10:00:23 3 48.35 0.00 1.47 0.08 0.08 50.02 Average: all 50.08 0.00 0.93 0.04 0.08 48.88 Average: 0 61.23 0.00 0.83 0.03 0.09 37.82 Average: 1 41.57 0.00 0.92 0.03 0.08 57.40 Average: 2 45.60 0.00 0.89 0.05 0.08 53.39 Average: 3 51.90 0.00 1.06 0.05 0.09 46.91