---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39175 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 684 10209 4 5096 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:1b:b9:98 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.77/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84705sec preferred_lft 84705sec inet6 fe80::f816:3eff:fe1b:b998/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:af:ac:59:22:9e 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-39175) 07/26/26 _x86_64_ (4 CPU) 23:27:50 LINUX RESTART (4 CPU) 23:30:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:40:15 17.04 2.12 13.90 1.02 149.02 4068.88 22398.43 23:50:15 39.75 12.65 23.55 3.55 159.40 3328.19 3420.39 Average: 28.30 7.34 18.68 2.27 154.17 3701.59 12987.83 23:30:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:40:15 10386396 13898424 2060500 12.58 133052 3499768 2493520 14.31 565060 5039396 28052 23:50:15 8545824 13272480 2677216 16.35 172644 4576044 3332908 19.13 911420 6423252 308180 Average: 9466110 13585452 2368858 14.47 152848 4037906 2913214 16.72 738240 5731324 168116 23:30:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:40:15 lo 0.92 0.92 0.09 0.09 0.00 0.00 0.00 0.00 23:40:15 ens3 108.03 78.84 961.99 16.78 0.00 0.00 0.00 0.00 23:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:50:15 lo 1621.53 1621.53 1545.74 1545.74 0.00 0.00 0.00 0.00 23:50:15 ens3 94.90 71.66 416.26 19.35 0.00 0.00 0.00 0.00 23:50:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 804.53 804.53 766.53 766.53 0.00 0.00 0.00 0.00 Average: ens3 101.52 75.28 691.38 18.05 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-39175) 07/26/26 _x86_64_ (4 CPU) 23:27:50 LINUX RESTART (4 CPU) 23:30:05 CPU %user %nice %system %iowait %steal %idle 23:40:15 all 46.38 0.00 1.58 0.12 0.08 51.84 23:40:15 0 46.01 0.00 1.44 0.07 0.07 52.41 23:40:15 1 46.03 0.00 1.49 0.07 0.08 52.33 23:40:15 2 47.98 0.00 1.78 0.27 0.08 49.89 23:40:15 3 45.50 0.00 1.59 0.09 0.07 52.74 23:50:15 all 68.54 0.08 2.78 0.12 0.10 28.39 23:50:15 0 67.83 0.00 2.77 0.11 0.10 29.18 23:50:15 1 66.76 0.00 2.77 0.04 0.10 30.33 23:50:15 2 70.86 0.31 3.15 0.29 0.10 25.30 23:50:15 3 68.68 0.01 2.44 0.03 0.10 28.74 Average: all 57.36 0.04 2.18 0.12 0.09 40.21 Average: 0 56.83 0.00 2.10 0.09 0.09 40.89 Average: 1 56.30 0.00 2.13 0.05 0.09 41.42 Average: 2 59.33 0.15 2.46 0.28 0.09 37.69 Average: 3 56.99 0.00 2.01 0.06 0.09 40.85