---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5690 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 632 10519 4 4836 15013 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:15:3f:88 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.11/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84820sec preferred_lft 84820sec inet6 fe80::f816:3eff:fe15:3f88/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:ae:bc:b4:06:19 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-5690) 03/18/26 _x86_64_ (4 CPU) 21:26:37 LINUX RESTART (4 CPU) 21:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:40:01 17.14 0.14 3.62 13.37 10.47 643.85 239542.99 21:50:03 11.11 0.52 9.84 0.75 18.97 1770.49 2293.26 Average: 14.12 0.33 6.73 7.06 14.73 1207.91 120762.16 21:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:40:01 8439508 11409024 4554488 27.82 112360 3022944 4730524 27.15 494908 7099964 1156 21:50:03 9736696 13239768 2719984 16.61 132028 3505440 3000088 17.22 674056 5586664 110680 Average: 9088102 12324396 3637236 22.21 122194 3264192 3865306 22.19 584482 6343314 55918 21:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:40:01 lo 0.62 0.62 0.38 0.38 0.00 0.00 0.00 0.00 21:40:01 ens3 12.85 10.72 77.63 2.56 0.00 0.00 0.00 0.00 21:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:50:03 lo 273.08 273.08 259.99 259.99 0.00 0.00 0.00 0.00 21:50:03 ens3 35.45 26.03 408.23 3.88 0.00 0.00 0.00 0.00 21:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 137.03 137.03 130.35 130.35 0.00 0.00 0.00 0.00 Average: ens3 24.16 18.38 243.15 3.22 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-5690) 03/18/26 _x86_64_ (4 CPU) 21:26:37 LINUX RESTART (4 CPU) 21:30:01 CPU %user %nice %system %iowait %steal %idle 21:40:01 all 48.95 0.00 0.68 0.04 0.07 50.25 21:40:01 0 49.25 0.00 0.63 0.02 0.08 50.04 21:40:01 1 45.28 0.00 0.75 0.04 0.08 53.85 21:40:01 2 42.03 0.00 0.65 0.09 0.07 57.17 21:40:01 3 59.25 0.00 0.71 0.02 0.07 39.95 21:50:03 all 55.97 0.00 1.01 0.04 0.08 42.90 21:50:03 0 52.33 0.00 0.88 0.05 0.08 46.66 21:50:03 1 50.35 0.00 0.97 0.05 0.09 48.54 21:50:03 2 47.31 0.00 0.99 0.04 0.08 51.58 21:50:03 3 73.94 0.00 1.19 0.02 0.09 24.76 Average: all 52.47 0.00 0.85 0.04 0.08 46.57 Average: 0 50.79 0.00 0.75 0.03 0.08 48.35 Average: 1 47.82 0.00 0.86 0.05 0.08 51.19 Average: 2 44.67 0.00 0.82 0.07 0.07 54.37 Average: 3 66.61 0.00 0.95 0.02 0.08 32.34