---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9907 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 11G 68G 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 683 10448 4 4856 14962 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:01:22:ef brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.133/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84098sec preferred_lft 84098sec inet6 fe80::f816:3eff:fe01:22ef/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:77:64:a7:ff:a8 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-9907) 04/30/26 _x86_64_ (4 CPU) 11:12:12 LINUX RESTART (4 CPU) 11:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:30:12 44.14 4.06 39.30 0.78 253.15 3895.84 2305.44 11:40:01 24.93 0.49 9.70 14.74 18.59 2315.51 243757.25 11:50:01 32.43 0.73 27.06 4.64 26.19 3778.48 14826.46 Average: 33.95 1.78 25.53 6.63 100.71 3339.64 85479.99 11:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:30:12 11308380 14350232 1612968 9.85 118128 3083272 2021972 11.61 543468 4181284 52376 11:40:01 10008724 13691956 2264884 13.83 148384 3630880 2621024 15.04 713840 5236852 19752 11:50:01 10752796 15369644 580584 3.55 173956 4479364 1091320 6.26 970960 4152528 12504 Average: 10689967 14470611 1486145 9.08 146823 3731172 1911439 10.97 742756 4523555 28211 11:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:30:12 lo 0.56 0.56 0.06 0.06 0.00 0.00 0.00 0.00 11:30:12 ens3 109.26 80.80 890.97 16.03 0.00 0.00 0.00 0.00 11:30:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:01 lo 1.41 1.41 0.15 0.15 0.00 0.00 0.00 0.00 11:40:01 ens3 78.65 58.15 103.15 18.52 0.00 0.00 0.00 0.00 11:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:01 lo 1747.27 1747.27 1653.87 1653.87 0.00 0.00 0.00 0.00 11:50:01 ens3 126.98 115.18 416.97 191.85 0.00 0.00 0.00 0.00 11:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 583.43 583.43 551.69 551.69 0.00 0.00 0.00 0.00 Average: ens3 105.16 84.86 475.11 75.48 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-9907) 04/30/26 _x86_64_ (4 CPU) 11:12:12 LINUX RESTART (4 CPU) 11:20:01 CPU %user %nice %system %iowait %steal %idle 11:30:12 all 20.49 0.00 0.94 0.24 0.04 78.29 11:30:12 0 21.42 0.00 0.88 0.35 0.04 77.31 11:30:12 1 20.90 0.00 0.93 0.38 0.05 77.74 11:30:12 2 19.23 0.00 0.91 0.12 0.04 79.69 11:30:12 3 20.41 0.00 1.03 0.09 0.04 78.43 11:40:01 all 72.45 0.00 2.25 0.03 0.08 25.18 11:40:01 0 70.06 0.00 2.22 0.02 0.08 27.62 11:40:01 1 71.15 0.00 1.87 0.05 0.08 26.85 11:40:01 2 75.26 0.00 2.82 0.03 0.08 21.81 11:40:01 3 73.35 0.00 2.09 0.04 0.08 24.44 11:50:01 all 44.72 0.00 2.17 0.09 0.07 52.94 11:50:01 0 46.85 0.00 2.13 0.07 0.07 50.88 11:50:01 1 44.64 0.00 1.85 0.11 0.07 53.32 11:50:01 2 43.33 0.00 2.46 0.09 0.07 54.05 11:50:01 3 44.05 0.00 2.25 0.11 0.07 53.52 Average: all 45.56 0.00 1.78 0.12 0.06 52.47 Average: 0 45.80 0.00 1.74 0.15 0.06 52.26 Average: 1 45.25 0.00 1.54 0.18 0.07 52.96 Average: 2 45.58 0.00 2.05 0.08 0.07 52.22 Average: 3 45.62 0.00 1.78 0.08 0.06 52.45