---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26222 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 665 10445 4 4878 14981 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:71:0c:ff brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.49/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84992sec preferred_lft 84992sec inet6 fe80::f816:3eff:fe71:cff/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:3c:21:ec:35:da 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-26222) 06/09/26 _x86_64_ (4 CPU) 14:17:52 LINUX RESTART (4 CPU) 14:20:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:30:13 60.97 4.47 41.91 14.60 647.16 5675.70 243549.82 14:40:13 22.92 0.91 18.89 3.12 29.41 2870.89 14390.48 Average: 42.11 2.70 30.49 8.91 340.84 4284.90 129918.03 14:20:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:30:13 10635276 14153936 1805700 11.03 129556 3515304 2159808 12.40 685976 4678740 23144 14:40:13 8704532 13264352 2687380 16.41 166220 4440892 2822264 16.20 949448 6227608 309884 Average: 9669904 13709144 2246540 13.72 147888 3978098 2491036 14.30 817712 5453174 166514 14:20:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:30:13 lo 1.24 1.24 0.12 0.12 0.00 0.00 0.00 0.00 14:30:13 ens3 172.64 120.54 1001.32 21.12 0.00 0.00 0.00 0.00 14:30:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:13 lo 1452.40 1452.40 1384.45 1384.45 0.00 0.00 0.00 0.00 14:40:13 ens3 62.82 48.90 466.43 11.16 0.00 0.00 0.00 0.00 14:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 720.82 720.82 686.56 686.56 0.00 0.00 0.00 0.00 Average: ens3 118.19 85.02 736.09 16.18 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-26222) 06/09/26 _x86_64_ (4 CPU) 14:17:52 LINUX RESTART (4 CPU) 14:20:03 CPU %user %nice %system %iowait %steal %idle 14:30:13 all 55.27 0.00 1.99 0.36 0.10 42.29 14:30:13 0 56.55 0.00 1.98 0.14 0.10 41.23 14:30:13 1 53.55 0.00 1.86 0.12 0.09 44.38 14:30:13 2 55.00 0.00 2.02 0.74 0.10 42.14 14:30:13 3 55.97 0.00 2.10 0.42 0.10 41.41 14:40:13 all 71.81 0.00 2.60 0.04 0.11 25.43 14:40:13 0 71.71 0.00 2.50 0.06 0.12 25.60 14:40:13 1 71.16 0.00 2.85 0.04 0.11 25.84 14:40:13 2 72.80 0.00 2.38 0.04 0.11 24.67 14:40:13 3 71.58 0.00 2.67 0.03 0.11 25.61 Average: all 63.47 0.00 2.29 0.20 0.10 33.93 Average: 0 64.07 0.00 2.24 0.10 0.11 33.48 Average: 1 62.28 0.00 2.35 0.08 0.10 35.19 Average: 2 63.83 0.00 2.19 0.39 0.10 33.48 Average: 3 63.71 0.00 2.38 0.23 0.11 33.57