---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-154 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 687 8453 4 6848 14958 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:cf:59:2c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.30/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84099sec preferred_lft 84099sec inet6 fe80::f816:3eff:fecf:592c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:6e:c6:9b:ea:2a 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-154) 09/05/26 _x86_64_ (4 CPU) 02:25:21 LINUX RESTART (4 CPU) 02:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:40:08 25.01 0.30 21.78 2.93 34.74 2996.17 18377.82 02:50:06 32.50 0.02 29.22 3.26 0.56 2441.36 17926.23 03:00:01 4.96 0.03 4.65 0.28 0.78 2936.87 4563.47 Average: 20.87 0.12 18.60 2.16 12.17 2792.27 13663.43 02:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:40:08 9097244 13050848 2904588 17.74 141796 3921488 3071176 17.63 720148 6150396 39136 02:50:06 7722100 12277068 3675200 22.45 167012 4459716 3748252 21.51 860952 7343848 237004 03:00:01 4989024 10073992 5876192 35.89 168164 4973740 5638840 32.37 1045416 9846468 336 Average: 7269456 11800636 4151993 25.36 158991 4451648 4152756 23.84 875505 7780237 92159 02:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:40:08 lo 1397.80 1397.80 1326.30 1326.30 0.00 0.00 0.00 0.00 02:40:08 ens3 53.75 37.33 393.16 13.34 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 02:50:06 lo 1540.55 1540.55 1468.17 1468.17 0.00 0.00 0.00 0.00 02:50:06 ens3 28.60 23.09 23.19 13.72 0.00 0.00 0.00 0.00 02:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:00:01 lo 1970.67 1970.67 8700.70 8700.70 0.00 0.00 0.00 0.00 03:00:01 ens3 5.82 4.82 7.06 3.08 0.00 0.00 0.00 0.00 03:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1634.50 1634.50 3809.99 3809.99 0.00 0.00 0.00 0.00 Average: ens3 29.56 21.86 142.69 10.08 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-154) 09/05/26 _x86_64_ (4 CPU) 02:25:21 LINUX RESTART (4 CPU) 02:30:00 CPU %user %nice %system %iowait %steal %idle 02:40:08 all 62.71 0.00 2.45 0.11 0.03 34.69 02:40:08 0 62.92 0.00 2.67 0.14 0.03 34.24 02:40:08 1 61.13 0.00 2.37 0.12 0.03 36.34 02:40:08 2 62.35 0.00 2.34 0.10 0.03 35.18 02:40:08 3 64.46 0.00 2.44 0.08 0.03 32.99 02:50:06 all 57.27 0.00 2.59 0.09 0.03 40.02 02:50:06 0 55.38 0.00 2.34 0.09 0.03 42.17 02:50:06 1 58.38 0.00 3.09 0.09 0.03 38.41 02:50:06 2 56.80 0.00 2.31 0.12 0.03 40.73 02:50:06 3 58.54 0.00 2.60 0.07 0.02 38.77 03:00:01 all 30.67 0.00 1.29 0.06 0.03 67.94 03:00:01 0 27.25 0.00 1.46 0.02 0.02 71.25 03:00:01 1 35.58 0.00 1.23 0.05 0.03 63.11 03:00:01 2 30.84 0.00 1.54 0.12 0.03 67.47 03:00:01 3 29.03 0.00 0.95 0.04 0.03 69.95 Average: all 50.31 0.00 2.11 0.09 0.03 47.46 Average: 0 48.61 0.00 2.16 0.08 0.03 49.12 Average: 1 51.77 0.00 2.23 0.09 0.03 45.88 Average: 2 50.09 0.00 2.07 0.11 0.03 47.69 Average: 3 50.77 0.00 2.00 0.07 0.03 47.13