---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-19162 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 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 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 610 10408 4 4969 15035 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:d0:01:7b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.202/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84709sec preferred_lft 84709sec inet6 fe80::f816:3eff:fed0:17b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:3f:4a:f1:d9:6d 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-19162) 01/07/26 _x86_64_ (4 CPU) 10:02:21 LINUX RESTART (4 CPU) 10:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:08 3.65 0.07 3.44 0.14 6.80 534.48 444.06 10:30:08 25.69 0.64 22.57 2.49 31.44 6212.11 8206.27 Average: 14.60 0.35 12.95 1.31 19.05 3355.98 4301.49 10:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:08 9363360 12562480 3400444 20.77 113544 3250304 3654968 20.98 690396 5965508 448 10:30:08 10682788 15413372 543400 3.32 137404 4699336 1088152 6.25 1068048 4211440 11496 Average: 10023074 13987926 1971922 12.04 125474 3974820 2371560 13.61 879222 5088474 5972 10:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:08 lo 0.57 0.57 0.37 0.37 0.00 0.00 0.00 0.00 10:20:08 ens3 8.28 7.02 35.56 2.08 0.00 0.00 0.00 0.00 10:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:08 lo 516.41 516.41 491.92 491.92 0.00 0.00 0.00 0.00 10:30:08 ens3 49.51 35.80 485.75 18.06 0.00 0.00 0.00 0.00 10:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 256.92 256.92 244.65 244.65 0.00 0.00 0.00 0.00 Average: ens3 28.77 21.32 259.28 10.02 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-19162) 01/07/26 _x86_64_ (4 CPU) 10:02:21 LINUX RESTART (4 CPU) 10:10:01 CPU %user %nice %system %iowait %steal %idle 10:20:08 all 46.36 0.00 0.66 0.14 0.10 52.73 10:20:08 0 48.08 0.00 0.61 0.10 0.10 51.10 10:20:08 1 39.50 0.00 0.60 0.11 0.08 59.71 10:20:08 2 55.43 0.00 0.83 0.19 0.10 43.45 10:20:08 3 42.44 0.00 0.61 0.18 0.11 56.67 10:30:08 all 51.06 0.00 1.56 2.13 0.11 45.14 10:30:08 0 43.74 0.00 1.55 0.90 0.10 53.71 10:30:08 1 62.58 0.00 1.50 2.55 0.12 33.25 10:30:08 2 51.00 0.00 1.55 3.97 0.11 43.36 10:30:08 3 46.89 0.00 1.64 1.11 0.10 50.26 Average: all 48.69 0.00 1.11 1.13 0.10 48.96 Average: 0 45.93 0.00 1.08 0.50 0.10 52.40 Average: 1 50.96 0.00 1.05 1.32 0.10 46.57 Average: 2 53.23 0.00 1.19 2.07 0.10 43.41 Average: 3 44.64 0.00 1.12 0.64 0.10 53.49