---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-28933 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 10G 68G 13% / 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 626 10987 4 4375 15020 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:51:ba:22 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.48/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84996sec preferred_lft 84996sec inet6 fe80::f816:3eff:fe51:ba22/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:12:8c:33:f7:8d 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-28933) 06/20/26 _x86_64_ (4 CPU) 21:39:30 LINUX RESTART (4 CPU) 21:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:50:01 45.85 4.41 40.37 1.08 264.86 4769.07 860.93 22:00:08 13.07 0.51 11.77 0.79 18.79 1982.12 4290.30 Average: 29.36 2.45 25.98 0.93 141.09 3367.29 2585.85 21:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:50:01 9026092 12146208 3816512 23.31 111024 3172580 4064084 23.33 502572 6501744 588 22:00:08 8305492 12177292 3780752 23.09 130344 3863980 4234892 24.31 719576 6966724 271032 Average: 8665792 12161750 3798632 23.20 120684 3518280 4149488 23.82 611074 6734234 135810 21:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:50:01 lo 0.67 0.67 0.16 0.16 0.00 0.00 0.00 0.00 21:50:01 ens3 91.67 70.73 997.97 13.12 0.00 0.00 0.00 0.00 21:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:00:08 lo 305.14 305.14 290.74 290.74 0.00 0.00 0.00 0.00 22:00:08 ens3 41.35 30.65 448.04 5.50 0.00 0.00 0.00 0.00 22:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 153.82 153.82 146.32 146.32 0.00 0.00 0.00 0.00 Average: ens3 66.36 50.57 721.36 9.29 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-28933) 06/20/26 _x86_64_ (4 CPU) 21:39:30 LINUX RESTART (4 CPU) 21:40:01 CPU %user %nice %system %iowait %steal %idle 21:50:01 all 48.07 0.00 1.24 0.25 0.07 50.37 21:50:01 0 50.56 0.00 1.11 0.20 0.07 48.06 21:50:01 1 51.95 0.00 1.26 0.10 0.08 46.62 21:50:01 2 44.32 0.00 1.37 0.33 0.08 53.90 21:50:01 3 45.44 0.00 1.21 0.39 0.07 52.90 22:00:08 all 50.21 0.00 1.03 0.03 0.08 48.66 22:00:08 0 59.83 0.00 1.18 0.02 0.08 38.89 22:00:08 1 44.69 0.00 0.97 0.02 0.07 54.24 22:00:08 2 49.54 0.00 0.96 0.07 0.08 49.35 22:00:08 3 46.76 0.00 0.99 0.02 0.07 52.16 Average: all 49.14 0.00 1.13 0.14 0.07 49.51 Average: 0 55.22 0.00 1.14 0.11 0.08 43.45 Average: 1 48.30 0.00 1.12 0.06 0.07 50.45 Average: 2 46.95 0.00 1.16 0.20 0.08 51.61 Average: 3 46.10 0.00 1.10 0.20 0.07 52.53