---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36289 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 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 718 9640 4 5629 14927 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:21:6f:52 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.61/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84342sec preferred_lft 84342sec inet6 fe80::f816:3eff:fe21:6f52/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:84:6c:e9:15:0a 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-36289) 07/16/26 _x86_64_ (4 CPU) 06:26:35 LINUX RESTART (4 CPU) 06:30:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:01 19.31 2.69 15.62 1.00 148.68 4553.94 2421.25 06:50:07 34.31 0.05 30.61 3.65 1.31 3264.82 17423.12 07:00:07 20.56 0.15 17.83 2.57 10.40 5682.71 2910.79 Average: 24.77 0.96 21.40 2.42 53.00 4496.46 7631.92 06:30:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:01 9578080 13254652 2702456 16.51 151884 3616388 2951516 16.94 673972 5697288 18088 06:50:07 8341140 12575748 3376744 20.62 178612 4100844 3612892 20.74 826140 6733036 18984 07:00:07 9873840 15278596 667468 4.08 200984 5181480 1173812 6.74 913972 5017940 14164 Average: 9264353 13702999 2248889 13.74 177160 4299571 2579407 14.81 804695 5816088 17079 06:30:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:01 lo 402.15 402.15 383.00 383.00 0.00 0.00 0.00 0.00 06:40:01 ens3 108.22 82.38 846.28 16.20 0.00 0.00 0.00 0.00 06:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:07 lo 1588.92 1588.92 1514.41 1514.41 0.00 0.00 0.00 0.00 06:50:07 ens3 48.48 37.80 118.03 12.01 0.00 0.00 0.00 0.00 06:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:07 lo 88.38 88.38 74.06 74.06 0.00 0.00 0.00 0.00 07:00:07 ens3 84.65 77.21 127.31 230.43 0.00 0.00 0.00 0.00 07:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 696.85 696.85 660.69 660.69 0.00 0.00 0.00 0.00 Average: ens3 80.26 65.66 361.60 86.20 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-36289) 07/16/26 _x86_64_ (4 CPU) 06:26:35 LINUX RESTART (4 CPU) 06:30:07 CPU %user %nice %system %iowait %steal %idle 06:40:01 all 48.61 0.00 1.61 0.26 0.09 49.43 06:40:01 0 47.72 0.00 1.41 0.31 0.09 50.47 06:40:01 1 51.50 0.00 1.48 0.14 0.08 46.79 06:40:01 2 47.20 0.00 1.67 0.24 0.09 50.80 06:40:01 3 48.04 0.00 1.89 0.32 0.09 49.66 06:50:07 all 60.49 0.00 2.58 0.21 0.12 36.61 06:50:07 0 61.20 0.00 2.49 0.31 0.12 35.87 06:50:07 1 59.23 0.00 2.44 0.16 0.12 38.05 06:50:07 2 60.65 0.00 3.03 0.17 0.12 36.04 06:50:07 3 60.90 0.00 2.34 0.18 0.11 36.47 07:00:07 all 46.73 0.00 1.65 0.13 0.09 51.41 07:00:07 0 48.09 0.00 1.93 0.09 0.09 49.80 07:00:07 1 46.85 0.00 1.67 0.17 0.09 51.22 07:00:07 2 45.15 0.00 1.44 0.14 0.09 53.19 07:00:07 3 46.82 0.00 1.55 0.11 0.09 51.42 Average: all 51.98 0.00 1.95 0.20 0.10 45.78 Average: 0 52.37 0.00 1.95 0.24 0.10 45.34 Average: 1 52.54 0.00 1.87 0.16 0.10 45.33 Average: 2 51.03 0.00 2.05 0.18 0.10 46.64 Average: 3 51.95 0.00 1.93 0.21 0.10 45.82