---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39114 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 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 656 10507 4 4825 14990 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:04:1c:75 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.249/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84531sec preferred_lft 84531sec inet6 fe80::f816:3eff:fe04:1c75/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:9a:79:56:05:c2 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-39114) 07/26/26 _x86_64_ (4 CPU) 09:10:18 LINUX RESTART (4 CPU) 09:20:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:01 15.44 2.25 12.08 1.11 137.69 3185.36 2434.40 09:40:03 29.57 0.63 24.56 4.37 25.02 4221.05 6217.51 Average: 22.53 1.44 18.34 2.75 81.16 3704.99 4332.45 09:20:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 10283200 13806752 2151432 13.14 143984 3484988 2432512 13.96 609164 5078064 41436 09:40:03 10802316 15383704 565908 3.46 171980 4439972 1105064 6.34 895440 4164092 216 Average: 10542758 14595228 1358670 8.30 157982 3962480 1768788 10.15 752302 4621078 20826 09:20:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:01 lo 1.40 1.40 0.14 0.14 0.00 0.00 0.00 0.00 09:30:01 ens3 97.26 74.26 354.48 20.54 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:03 lo 1665.88 1665.88 1576.39 1576.39 0.00 0.00 0.00 0.00 09:40:03 ens3 117.99 102.58 423.44 154.97 0.00 0.00 0.00 0.00 09:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 836.49 836.49 790.97 790.97 0.00 0.00 0.00 0.00 Average: ens3 107.66 88.47 389.08 87.98 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-39114) 07/26/26 _x86_64_ (4 CPU) 09:10:18 LINUX RESTART (4 CPU) 09:20:03 CPU %user %nice %system %iowait %steal %idle 09:30:01 all 72.34 0.00 2.29 0.05 0.10 25.21 09:30:01 0 71.52 0.00 2.34 0.09 0.10 25.95 09:30:01 1 71.74 0.00 1.98 0.07 0.10 26.11 09:30:01 2 74.30 0.00 2.27 0.03 0.10 23.29 09:30:01 3 71.81 0.00 2.57 0.02 0.10 25.50 09:40:03 all 58.78 0.00 2.51 0.09 0.09 38.53 09:40:03 0 57.95 0.00 2.42 0.14 0.09 39.40 09:40:03 1 54.74 0.00 2.83 0.09 0.09 42.25 09:40:03 2 61.25 0.00 2.56 0.06 0.09 36.04 09:40:03 3 61.18 0.00 2.24 0.05 0.09 36.43 Average: all 65.53 0.00 2.40 0.07 0.10 31.90 Average: 0 64.71 0.00 2.38 0.12 0.10 32.70 Average: 1 63.21 0.00 2.41 0.08 0.10 34.21 Average: 2 67.75 0.00 2.41 0.05 0.10 29.69 Average: 3 66.47 0.00 2.40 0.04 0.10 30.99