---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15390 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 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: 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 12G 67G 15% / 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 747 9389 4 5852 14899 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:46:06:18 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.209/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83924sec preferred_lft 83924sec inet6 fe80::f816:3eff:fe46:618/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:c1:bf:48:bc:cf 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-15390) 12/20/25 _x86_64_ (4 CPU) 20:24:26 LINUX RESTART (4 CPU) 20:30:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:04 15.10 2.30 11.72 1.09 136.69 3364.41 2486.51 20:50:00 72.70 0.34 47.57 24.79 10.79 4376.87 267624.89 21:00:17 35.30 0.12 28.91 6.27 5.62 4981.29 14858.20 Average: 40.97 0.91 29.40 10.67 50.50 4249.49 94083.33 20:30:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:04 10058800 13671532 2285192 13.96 159604 3561732 2586424 14.85 737152 5176328 102772 20:50:00 8415584 12935832 3013608 18.41 205164 4349856 3214044 18.45 949676 6524532 117560 21:00:17 9725588 15350556 594012 3.63 239032 5358140 1101284 6.32 1335272 4743552 372 Average: 9399991 13985973 1964271 12.00 201267 4423243 2300584 13.21 1007367 5481471 73568 20:30:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:04 lo 1.31 1.31 0.14 0.14 0.00 0.00 0.00 0.00 20:40:04 ens3 84.75 68.88 398.26 19.26 0.00 0.00 0.00 0.00 20:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:00 lo 5236.11 5236.11 4991.02 4991.02 0.00 0.00 0.00 0.00 20:50:00 ens3 100.16 72.44 305.91 21.59 0.00 0.00 0.00 0.00 20:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:17 lo 2564.02 2564.02 2434.69 2434.69 0.00 0.00 0.00 0.00 21:00:17 ens3 93.15 77.64 104.77 99.33 0.00 0.00 0.00 0.00 21:00:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2600.45 2600.45 2475.19 2475.19 0.00 0.00 0.00 0.00 Average: ens3 92.69 73.04 267.73 47.34 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-15390) 12/20/25 _x86_64_ (4 CPU) 20:24:26 LINUX RESTART (4 CPU) 20:30:08 CPU %user %nice %system %iowait %steal %idle 20:40:04 all 65.43 0.00 2.20 0.09 0.10 32.19 20:40:04 0 66.92 0.00 2.44 0.07 0.10 30.48 20:40:04 1 66.26 0.00 1.89 0.06 0.10 31.68 20:40:04 2 66.10 0.00 2.31 0.05 0.10 31.44 20:40:04 3 62.42 0.00 2.16 0.17 0.10 35.15 20:50:00 all 61.38 0.00 4.07 0.22 0.09 34.23 20:50:00 0 61.29 0.00 3.75 0.11 0.09 34.75 20:50:00 1 60.11 0.00 3.86 0.47 0.10 35.46 20:50:00 2 63.06 0.00 4.24 0.14 0.09 32.47 20:50:00 3 61.05 0.00 4.44 0.17 0.09 34.25 21:00:17 all 49.33 0.00 2.79 0.19 0.08 47.61 21:00:17 0 44.73 0.00 2.79 0.10 0.08 52.31 21:00:17 1 50.10 0.00 2.58 0.25 0.09 46.99 21:00:17 2 50.09 0.00 2.74 0.17 0.09 46.90 21:00:17 3 52.38 0.00 3.05 0.24 0.08 44.24 Average: all 58.60 0.00 3.02 0.17 0.09 38.12 Average: 0 57.50 0.00 2.99 0.10 0.09 39.33 Average: 1 58.72 0.00 2.77 0.26 0.09 38.15 Average: 2 59.64 0.00 3.09 0.12 0.09 37.06 Average: 3 58.55 0.00 3.21 0.19 0.09 37.96