---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-31145 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 756 9389 4 5843 14890 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:c6:16:7f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.217/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83915sec preferred_lft 83915sec inet6 fe80::f816:3eff:fec6:167f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:d9:59:f3:4f:55 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-31145) 06/27/26 _x86_64_ (4 CPU) 20:24:20 LINUX RESTART (4 CPU) 20:30:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:04 15.47 2.33 12.08 1.05 136.37 3593.24 1390.68 20:50:04 56.18 0.33 45.53 10.32 10.12 4436.53 11166.28 21:00:04 37.15 0.29 30.31 6.54 11.65 5106.60 8767.88 Average: 36.27 0.98 29.31 5.97 52.72 4378.79 7108.28 20:30:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:04 9964736 13530280 2427440 14.83 157264 3508608 2737580 15.71 610448 5388844 71376 20:50:04 8574796 13106476 2843008 17.36 206132 4349040 3106744 17.83 828980 6472164 119972 21:00:04 9734872 15351428 593476 3.62 241516 5336448 1119328 6.42 1206924 4852696 244 Average: 9424801 13996061 1954641 11.94 201637 4398032 2321217 13.32 882117 5571235 63864 20:30:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:04 lo 1.26 1.26 0.12 0.12 0.00 0.00 0.00 0.00 20:40:04 ens3 104.95 83.08 543.65 20.49 0.00 0.00 0.00 0.00 20:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:04 lo 5294.81 5294.81 5049.65 5049.65 0.00 0.00 0.00 0.00 20:50:04 ens3 107.96 77.98 325.05 22.11 0.00 0.00 0.00 0.00 20:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:04 lo 3212.37 3212.37 3056.83 3056.83 0.00 0.00 0.00 0.00 21:00:04 ens3 105.55 86.71 108.25 87.29 0.00 0.00 0.00 0.00 21:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2836.15 2836.15 2702.20 2702.20 0.00 0.00 0.00 0.00 Average: ens3 106.15 82.59 325.65 43.29 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-31145) 06/27/26 _x86_64_ (4 CPU) 20:24:20 LINUX RESTART (4 CPU) 20:30:04 CPU %user %nice %system %iowait %steal %idle 20:40:04 all 63.50 0.00 2.18 0.06 0.09 34.17 20:40:04 0 64.03 0.00 2.31 0.09 0.09 33.47 20:40:04 1 63.70 0.00 2.21 0.03 0.09 33.96 20:40:04 2 63.09 0.00 2.21 0.06 0.10 34.55 20:40:04 3 63.17 0.00 2.00 0.04 0.10 34.69 20:50:04 all 62.94 0.00 4.05 0.11 0.09 32.81 20:50:04 0 61.56 0.00 3.54 0.11 0.09 34.71 20:50:04 1 64.99 0.00 4.20 0.08 0.09 30.63 20:50:04 2 63.73 0.00 4.17 0.10 0.09 31.90 20:50:04 3 61.49 0.00 4.29 0.13 0.09 33.99 21:00:04 all 53.10 0.00 3.12 0.12 0.09 43.57 21:00:04 0 53.27 0.00 2.95 0.07 0.09 43.62 21:00:04 1 51.62 0.00 2.98 0.13 0.09 45.18 21:00:04 2 55.03 0.00 3.59 0.13 0.08 41.16 21:00:04 3 52.48 0.00 2.95 0.14 0.09 44.33 Average: all 59.85 0.00 3.12 0.09 0.09 36.85 Average: 0 59.62 0.00 2.93 0.09 0.09 37.27 Average: 1 60.10 0.00 3.13 0.08 0.09 36.59 Average: 2 60.62 0.00 3.32 0.10 0.09 35.87 Average: 3 59.05 0.00 3.08 0.11 0.09 37.67