---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-27392 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 67G 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 622 10286 4 5080 15024 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:fc:f9:a8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.246/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84824sec preferred_lft 84824sec inet6 fe80::f816:3eff:fefc:f9a8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:95:3a:9b:55:94 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-27392) 06/14/26 _x86_64_ (4 CPU) 20:07:19 LINUX RESTART (4 CPU) 20:10:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:01 21.19 12.80 7.91 0.48 177.36 1972.43 777.32 20:30:01 11.32 0.52 10.05 0.75 19.08 1829.04 3065.73 Average: 16.22 6.62 8.99 0.62 97.64 1900.21 1929.92 20:10:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:01 8554256 11764728 4196348 25.63 118620 3234228 4383276 25.16 562644 6882168 428 20:30:01 9704840 13459636 2497984 15.26 137228 3728336 2737548 15.71 743032 5529360 111584 Average: 9129548 12612182 3347166 20.44 127924 3481282 3560412 20.44 652838 6205764 56006 20:10:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:01 lo 0.69 0.69 0.39 0.39 0.00 0.00 0.00 0.00 20:20:01 ens3 21.20 16.70 192.10 3.43 0.00 0.00 0.00 0.00 20:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:01 lo 321.32 321.32 305.60 305.60 0.00 0.00 0.00 0.00 20:30:01 ens3 36.85 26.87 432.60 3.55 0.00 0.00 0.00 0.00 20:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 162.18 162.18 154.12 154.12 0.00 0.00 0.00 0.00 Average: ens3 29.08 21.83 313.23 3.49 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-27392) 06/14/26 _x86_64_ (4 CPU) 20:07:19 LINUX RESTART (4 CPU) 20:10:10 CPU %user %nice %system %iowait %steal %idle 20:20:01 all 49.09 0.08 0.89 0.12 0.07 49.75 20:20:01 0 48.34 0.06 0.93 0.09 0.07 50.50 20:20:01 1 49.37 0.18 0.73 0.23 0.07 49.43 20:20:01 2 53.06 0.00 0.93 0.04 0.07 45.90 20:20:01 3 45.59 0.07 0.98 0.11 0.07 53.18 20:30:01 all 48.97 0.00 1.03 0.04 0.07 49.89 20:30:01 0 38.94 0.00 1.09 0.05 0.07 59.85 20:30:01 1 37.90 0.00 1.08 0.06 0.07 60.88 20:30:01 2 59.41 0.00 0.88 0.02 0.07 39.62 20:30:01 3 59.65 0.00 1.07 0.02 0.06 39.19 Average: all 49.03 0.04 0.96 0.08 0.07 49.82 Average: 0 43.61 0.03 1.01 0.07 0.07 55.21 Average: 1 43.58 0.09 0.91 0.14 0.07 55.21 Average: 2 56.26 0.00 0.90 0.03 0.07 42.74 Average: 3 52.67 0.03 1.03 0.07 0.07 46.13