---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11744 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: 5600.00 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 12G 67G 15% / 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 726 9648 4 5613 14920 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:10:44:e7 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 84215sec preferred_lft 84215sec inet6 fe80::f816:3eff:fe10:44e7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:99:2d:c4:a4:5d 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-11744) 05/07/26 _x86_64_ (4 CPU) 12:38:29 LINUX RESTART (4 CPU) 12:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:03 26.20 3.53 21.23 1.43 182.68 5507.96 7965.33 13:00:02 35.16 0.04 31.40 3.72 1.15 3233.73 21426.99 13:10:01 17.12 0.30 14.65 2.18 11.79 5789.73 1910.94 Average: 26.16 1.29 22.42 2.44 65.44 4845.80 10424.34 12:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:03 9736816 13340408 2617052 15.98 150872 3550480 3005432 17.25 691072 5539340 18356 13:00:02 8593600 12754276 3198228 19.53 178312 4034544 3385832 19.43 832840 6474776 19552 13:10:01 9982180 15369164 578152 3.53 202728 5167236 1114008 6.39 921596 4900964 204 Average: 9437532 13821283 2131144 13.02 177304 4250753 2501757 14.36 815169 5638360 12704 12:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:03 lo 511.74 511.74 486.72 486.72 0.00 0.00 0.00 0.00 12:50:03 ens3 110.86 84.96 893.70 17.89 0.00 0.00 0.00 0.00 12:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:02 lo 1710.92 1710.92 1630.75 1630.75 0.00 0.00 0.00 0.00 13:00:02 ens3 50.41 39.03 139.75 11.54 0.00 0.00 0.00 0.00 13:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:01 lo 5.65 5.65 0.57 0.57 0.00 0.00 0.00 0.00 13:10:01 ens3 57.41 50.02 110.74 132.61 0.00 0.00 0.00 0.00 13:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 741.86 741.86 705.14 705.14 0.00 0.00 0.00 0.00 Average: ens3 72.97 58.06 382.41 53.97 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-11744) 05/07/26 _x86_64_ (4 CPU) 12:38:29 LINUX RESTART (4 CPU) 12:40:01 CPU %user %nice %system %iowait %steal %idle 12:50:03 all 49.65 0.00 1.73 1.86 0.08 46.67 12:50:03 0 48.65 0.00 1.99 2.92 0.08 46.36 12:50:03 1 49.56 0.00 1.81 1.48 0.08 47.07 12:50:03 2 51.52 0.00 1.49 0.82 0.08 46.10 12:50:03 3 48.90 0.00 1.62 2.24 0.08 47.15 13:00:02 all 60.75 0.00 2.60 0.76 0.11 35.78 13:00:02 0 60.61 0.00 2.69 0.40 0.12 36.19 13:00:02 1 59.71 0.00 2.68 1.12 0.11 36.37 13:00:02 2 59.64 0.00 2.40 0.71 0.11 37.13 13:00:02 3 63.03 0.00 2.64 0.81 0.12 33.41 13:10:01 all 42.21 0.00 1.45 0.10 0.08 56.16 13:10:01 0 37.56 0.00 1.24 0.08 0.07 61.05 13:10:01 1 48.58 0.00 2.02 0.04 0.09 49.27 13:10:01 2 40.05 0.00 1.19 0.13 0.08 58.56 13:10:01 3 42.66 0.00 1.38 0.15 0.07 55.75 Average: all 50.85 0.00 1.93 0.91 0.09 46.22 Average: 0 48.92 0.00 1.97 1.14 0.09 47.89 Average: 1 52.60 0.00 2.17 0.88 0.09 44.25 Average: 2 50.39 0.00 1.69 0.55 0.09 47.27 Average: 3 51.51 0.00 1.88 1.07 0.09 45.46