---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20398 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 667 10221 4 5100 14979 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:95:47:86 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.43/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84544sec preferred_lft 84544sec inet6 fe80::f816:3eff:fe95:4786/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:d5:79:01:1c:64 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-20398) 02/24/26 _x86_64_ (4 CPU) 08:47:48 LINUX RESTART (4 CPU) 08:50:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:00:07 45.31 4.62 39.31 1.38 861.77 4910.13 5072.17 09:10:07 12.17 0.88 10.15 1.15 28.53 2521.65 3098.84 Average: 28.74 2.75 24.73 1.26 445.15 3715.89 4085.51 08:50:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:00:07 10867876 14189364 1772024 10.82 122160 3347340 2428332 13.94 708712 4435780 28868 09:10:07 9024192 13379248 2573188 15.72 164544 4246612 2732536 15.68 928164 5948928 305824 Average: 9946034 13784306 2172606 13.27 143352 3796976 2580434 14.81 818438 5192354 167346 08:50:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:00:07 lo 0.80 0.80 0.09 0.09 0.00 0.00 0.00 0.00 09:00:07 ens3 124.96 90.49 1080.29 17.96 0.00 0.00 0.00 0.00 09:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:07 lo 106.53 106.53 100.31 100.31 0.00 0.00 0.00 0.00 09:10:07 ens3 85.40 64.10 362.92 18.15 0.00 0.00 0.00 0.00 09:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 53.66 53.66 50.20 50.20 0.00 0.00 0.00 0.00 Average: ens3 105.18 77.30 721.61 18.06 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-20398) 02/24/26 _x86_64_ (4 CPU) 08:47:48 LINUX RESTART (4 CPU) 08:50:07 CPU %user %nice %system %iowait %steal %idle 09:00:07 all 33.13 0.00 1.34 0.30 0.06 65.17 09:00:07 0 36.16 0.00 1.29 0.18 0.06 62.32 09:00:07 1 33.40 0.00 1.33 0.08 0.06 65.13 09:00:07 2 30.05 0.00 1.45 0.85 0.06 67.59 09:00:07 3 32.90 0.00 1.30 0.11 0.06 65.64 09:10:07 all 71.47 0.00 2.36 0.04 0.13 26.00 09:10:07 0 69.61 0.00 2.45 0.03 0.12 27.78 09:10:07 1 72.36 0.00 2.36 0.03 0.13 25.12 09:10:07 2 70.05 0.00 2.17 0.03 0.13 27.62 09:10:07 3 73.86 0.00 2.46 0.07 0.13 23.48 Average: all 52.28 0.00 1.85 0.17 0.09 45.60 Average: 0 52.87 0.00 1.87 0.11 0.09 45.07 Average: 1 52.85 0.00 1.84 0.05 0.09 45.16 Average: 2 50.04 0.00 1.81 0.44 0.09 47.61 Average: 3 53.37 0.00 1.88 0.09 0.09 44.58