---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53060 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 644 8620 4 6723 15002 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:df:42:f2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.240/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84597sec preferred_lft 84597sec inet6 fe80::f816:3eff:fedf:42f2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:57:4f:bc:47:9b 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-53060) 03/26/26 _x86_64_ (4 CPU) 06:03:37 LINUX RESTART (4 CPU) 06:10:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:20:02 26.44 0.03 23.51 2.90 0.62 2331.63 20048.63 06:30:17 22.06 0.04 19.94 2.08 0.44 3878.25 15945.02 Average: 24.21 0.03 21.70 2.48 0.53 3117.85 17962.56 06:10:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:20:02 9292428 13146360 2809752 17.16 148324 3815148 2973020 17.07 850016 5808000 12336 06:30:17 5568928 10392724 5559872 33.96 166756 4725232 5390664 30.94 1130760 9206908 156 Average: 7430678 11769542 4184812 25.56 157540 4270190 4181842 24.00 990388 7507454 6246 06:10:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:20:02 lo 1331.61 1331.61 1263.12 1263.12 0.00 0.00 0.00 0.00 06:20:02 ens3 22.85 19.90 17.52 6.72 0.00 0.00 0.00 0.00 06:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:30:17 lo 1009.22 1009.22 5104.10 5104.10 0.00 0.00 0.00 0.00 06:30:17 ens3 22.36 19.02 41.88 6.03 0.00 0.00 0.00 0.00 06:30:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1167.72 1167.72 3215.68 3215.68 0.00 0.00 0.00 0.00 Average: ens3 22.60 19.46 29.91 6.37 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-53060) 03/26/26 _x86_64_ (4 CPU) 06:03:37 LINUX RESTART (4 CPU) 06:10:07 CPU %user %nice %system %iowait %steal %idle 06:20:02 all 64.35 0.00 2.29 0.05 0.09 33.22 06:20:02 0 63.71 0.00 2.50 0.04 0.09 33.66 06:20:02 1 66.31 0.00 2.27 0.04 0.09 31.30 06:20:02 2 64.15 0.00 1.93 0.03 0.09 33.80 06:20:02 3 63.25 0.00 2.44 0.09 0.09 34.13 06:30:17 all 51.94 0.00 1.86 0.08 0.08 46.04 06:30:17 0 52.34 0.00 1.95 0.05 0.08 45.59 06:30:17 1 51.93 0.00 1.68 0.08 0.08 46.23 06:30:17 2 52.14 0.00 2.14 0.05 0.07 45.60 06:30:17 3 51.35 0.00 1.69 0.15 0.08 46.74 Average: all 58.04 0.00 2.07 0.07 0.08 39.74 Average: 0 57.93 0.00 2.22 0.04 0.08 39.73 Average: 1 59.00 0.00 1.97 0.06 0.08 38.89 Average: 2 58.05 0.00 2.04 0.04 0.08 39.80 Average: 3 57.20 0.00 2.06 0.12 0.08 40.54