---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1051 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: 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 13G 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 685 8502 4 6800 14960 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:77:a9:9c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.215/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84237sec preferred_lft 84237sec inet6 fe80::f816:3eff:fe77:a99c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:43:3a:d5:32:e9 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-1051) 08/01/26 _x86_64_ (4 CPU) 02:24:29 LINUX RESTART (4 CPU) 02:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:40:08 21.53 0.06 19.24 2.23 6.48 2109.44 7676.54 02:50:08 31.40 0.03 28.24 3.13 0.44 4423.79 9382.20 03:00:08 12.20 0.23 10.71 1.26 12.64 7456.28 4968.84 Average: 21.71 0.11 19.40 2.20 6.52 4654.65 7343.62 02:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:40:08 9043136 13050164 2904660 17.74 147800 3948932 2926312 16.80 771356 6119420 19592 02:50:08 7294248 12315396 3634972 22.20 164224 4902000 3507284 20.13 1050152 7547964 220 03:00:08 8772884 15377532 568192 3.47 182320 6418244 1072744 6.16 1391636 5668240 28912 Average: 8370089 13581031 2369275 14.47 164781 5089725 2502113 14.36 1071048 6445208 16241 02:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:40:08 lo 1160.45 1160.45 1099.53 1099.53 0.00 0.00 0.00 0.00 02:40:08 ens3 48.33 38.40 48.25 18.79 0.00 0.00 0.00 0.00 02:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:50:08 lo 1332.54 1332.54 1265.29 1265.29 0.00 0.00 0.00 0.00 02:50:08 ens3 56.41 40.69 29.14 15.60 0.00 0.00 0.00 0.00 02:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:00:08 lo 2534.76 2534.76 9287.02 9287.02 0.00 0.00 0.00 0.00 03:00:08 ens3 57.22 37.66 193.74 11.35 0.00 0.00 0.00 0.00 03:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1674.20 1674.20 3874.68 3874.68 0.00 0.00 0.00 0.00 Average: ens3 53.97 38.91 90.24 15.26 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-1051) 08/01/26 _x86_64_ (4 CPU) 02:24:29 LINUX RESTART (4 CPU) 02:30:02 CPU %user %nice %system %iowait %steal %idle 02:40:08 all 65.26 0.00 2.16 0.06 0.11 32.41 02:40:08 0 64.35 0.00 2.14 0.03 0.11 33.37 02:40:08 1 65.77 0.00 1.94 0.05 0.12 32.13 02:40:08 2 66.65 0.00 2.09 0.03 0.11 31.12 02:40:08 3 64.25 0.00 2.48 0.14 0.11 33.01 02:50:08 all 58.50 0.00 2.42 0.10 0.11 38.86 02:50:08 0 56.20 0.00 2.44 0.07 0.11 41.18 02:50:08 1 62.68 0.00 2.65 0.06 0.11 34.50 02:50:08 2 58.06 0.00 2.36 0.21 0.11 39.26 02:50:08 3 57.07 0.00 2.24 0.07 0.11 40.51 03:00:08 all 32.83 0.00 1.37 0.21 0.08 65.52 03:00:08 0 36.12 0.00 1.61 0.42 0.08 61.77 03:00:08 1 33.76 0.00 1.27 0.11 0.08 64.78 03:00:08 2 36.98 0.00 0.94 0.04 0.08 61.96 03:00:08 3 24.45 0.00 1.66 0.25 0.08 73.56 Average: all 52.23 0.00 1.99 0.12 0.10 45.56 Average: 0 52.26 0.00 2.06 0.17 0.10 45.41 Average: 1 54.10 0.00 1.95 0.07 0.10 43.77 Average: 2 53.93 0.00 1.80 0.09 0.10 44.08 Average: 3 48.63 0.00 2.13 0.15 0.10 48.99