---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2998 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 12G 66G 16% / 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 662 8807 4 6519 14984 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:a1:ca:89 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.44/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84267sec preferred_lft 84267sec inet6 fe80::f816:3eff:fea1:ca89/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:9c:b1:91:9e:c9 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-2998) 08/07/26 _x86_64_ (4 CPU) 05:23:16 LINUX RESTART (4 CPU) 05:30:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:05 24.38 0.07 21.52 2.80 6.88 2254.08 5626.13 05:50:05 40.00 11.91 25.42 2.66 133.33 4215.60 7204.87 Average: 32.20 5.99 23.47 2.73 70.16 3235.66 6416.16 05:30:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:05 9252324 13094860 2862224 17.48 146080 3797740 3288264 18.87 720660 5988620 96448 05:50:05 5739812 10544344 5407736 33.03 163384 4688552 5411812 31.06 1033640 9113908 912 Average: 7496068 11819602 4134980 25.25 154732 4243146 4350038 24.97 877150 7551264 48680 05:30:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:05 lo 1340.52 1340.52 1271.23 1271.23 0.00 0.00 0.00 0.00 05:40:05 ens3 43.76 36.56 26.08 12.57 0.00 0.00 0.00 0.00 05:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:05 lo 1163.67 1163.67 2923.14 2923.14 0.00 0.00 0.00 0.00 05:50:05 ens3 39.11 31.30 38.39 10.92 0.00 0.00 0.00 0.00 05:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1252.02 1252.02 2097.88 2097.88 0.00 0.00 0.00 0.00 Average: ens3 41.43 33.93 32.24 11.75 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-2998) 08/07/26 _x86_64_ (4 CPU) 05:23:16 LINUX RESTART (4 CPU) 05:30:06 CPU %user %nice %system %iowait %steal %idle 05:40:05 all 65.36 0.00 2.40 0.05 0.09 32.10 05:40:05 0 63.81 0.00 2.16 0.07 0.09 33.87 05:40:05 1 64.14 0.00 2.32 0.04 0.09 33.41 05:40:05 2 67.04 0.00 2.19 0.07 0.09 30.61 05:40:05 3 66.44 0.00 2.92 0.03 0.09 30.52 05:50:05 all 53.79 0.07 2.23 0.13 0.09 43.69 05:50:05 0 55.84 0.00 1.95 0.07 0.09 42.05 05:50:05 1 52.66 0.11 2.47 0.06 0.09 44.61 05:50:05 2 54.12 0.10 2.19 0.28 0.09 43.23 05:50:05 3 52.55 0.05 2.31 0.11 0.09 44.89 Average: all 59.57 0.03 2.31 0.09 0.09 37.90 Average: 0 59.82 0.00 2.06 0.07 0.09 37.96 Average: 1 58.40 0.05 2.39 0.05 0.09 39.01 Average: 2 60.58 0.05 2.19 0.17 0.09 36.92 Average: 3 59.49 0.03 2.61 0.07 0.09 37.71