---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4969 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: 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 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 659 10585 4 4744 14987 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:06:e9:a6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.251/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83872sec preferred_lft 83872sec inet6 fe80::f816:3eff:fe06:e9a6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:ff:42:d1:69:57 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-4969) 01/27/26 _x86_64_ (4 CPU) 08:58:07 LINUX RESTART (4 CPU) 09:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:10:01 3.00 0.25 2.60 0.15 207.69 275.87 231.27 09:20:30 37.60 3.86 32.97 0.78 239.92 3315.02 829.29 09:30:21 11.14 0.51 9.61 1.03 16.74 2530.56 504.60 09:40:01 28.36 0.62 23.20 4.54 26.49 3817.97 11312.13 Average: 20.20 1.35 17.26 1.59 125.30 2483.52 3134.83 09:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:10:01 13656528 15504048 512740 3.13 55584 2017972 1134200 6.51 256340 2204980 212 09:20:30 11316216 14176936 1786868 10.91 112800 2915608 2103012 12.07 531244 4189508 35748 09:30:21 9997440 13583652 2373436 14.50 146644 3538072 2548948 14.63 716704 5223648 27320 09:40:01 10885312 15386492 564692 3.45 169620 4372188 1065680 6.12 970848 4045008 12372 Average: 11463874 14662782 1309434 8.00 121162 3210960 1712960 9.83 618784 3915786 18913 09:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:10:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 09:10:01 ens3 3.47 1.83 58.41 0.21 0.00 0.00 0.00 0.00 09:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:30 lo 0.57 0.57 0.07 0.07 0.00 0.00 0.00 0.00 09:20:30 ens3 88.30 66.16 722.76 14.11 0.00 0.00 0.00 0.00 09:20:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:21 lo 1.39 1.39 0.14 0.14 0.00 0.00 0.00 0.00 09:30:21 ens3 69.09 52.72 143.41 17.80 0.00 0.00 0.00 0.00 09:30:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 lo 1440.26 1440.26 1361.19 1361.19 0.00 0.00 0.00 0.00 09:40:01 ens3 126.41 111.45 431.28 207.66 0.00 0.00 0.00 0.00 09:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 348.81 348.81 329.23 329.23 0.00 0.00 0.00 0.00 Average: ens3 71.57 57.72 343.50 58.35 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-4969) 01/27/26 _x86_64_ (4 CPU) 08:58:07 LINUX RESTART (4 CPU) 09:00:01 CPU %user %nice %system %iowait %steal %idle 09:10:01 all 0.21 0.00 0.06 0.04 0.02 99.67 09:10:01 0 0.08 0.00 0.05 0.02 0.02 99.83 09:10:01 1 0.50 0.00 0.05 0.03 0.02 99.40 09:10:01 2 0.17 0.00 0.06 0.01 0.04 99.73 09:10:01 3 0.08 0.00 0.06 0.12 0.02 99.73 09:20:30 all 21.01 0.00 0.88 0.25 0.04 77.82 09:20:30 0 21.61 0.00 1.05 0.38 0.04 76.91 09:20:30 1 19.67 0.00 0.73 0.05 0.05 79.51 09:20:30 2 22.22 0.00 0.81 0.07 0.04 76.86 09:20:30 3 20.56 0.00 0.92 0.48 0.05 77.99 09:30:21 all 73.68 0.00 2.23 0.03 0.08 23.98 09:30:21 0 74.56 0.00 2.41 0.02 0.09 22.92 09:30:21 1 74.16 0.00 2.27 0.03 0.08 23.46 09:30:21 2 72.49 0.00 2.06 0.05 0.08 25.31 09:30:21 3 73.49 0.00 2.17 0.03 0.08 24.22 09:40:01 all 42.09 0.00 2.12 0.11 0.08 55.60 09:40:01 0 40.79 0.00 1.77 0.08 0.08 57.28 09:40:01 1 46.28 0.00 2.54 0.11 0.08 50.99 09:40:01 2 39.60 0.00 2.19 0.12 0.08 58.01 09:40:01 3 41.71 0.00 1.99 0.12 0.08 56.11 Average: all 33.84 0.00 1.30 0.11 0.06 64.69 Average: 0 33.89 0.00 1.31 0.13 0.06 64.62 Average: 1 34.69 0.00 1.37 0.05 0.06 63.83 Average: 2 33.25 0.00 1.26 0.06 0.06 65.36 Average: 3 33.55 0.00 1.27 0.19 0.05 64.94