---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6808 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 675 8586 4 6727 14970 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:68:ef:27 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.121/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83849sec preferred_lft 83849sec inet6 fe80::f816:3eff:fe68:ef27/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:35:33:99:9d:d4 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-6808) 09/10/26 _x86_64_ (4 CPU) 13:55:32 LINUX RESTART (4 CPU) 14:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:13 21.64 0.10 18.94 2.60 8.00 2324.14 3780.56 14:20:13 31.77 0.03 28.50 3.24 0.77 3152.59 11294.20 14:30:01 8.85 0.03 8.11 0.71 0.93 7169.79 1729.86 Average: 20.84 0.05 18.59 2.20 3.28 4181.44 5615.56 14:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:13 8831808 12599372 3356768 20.50 141476 3734648 3439808 19.74 714452 6417748 17948 14:20:13 7782740 12581724 3369696 20.58 166752 4693420 3389840 19.46 1005860 7128288 420304 14:30:01 8910320 15429184 517408 3.16 181868 6342236 1077052 6.18 1657336 5276700 167028 Average: 8508289 13536760 2414624 14.75 163365 4923435 2635567 15.13 1125883 6274245 201760 14:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:13 lo 1314.98 1314.98 1246.76 1246.76 0.00 0.00 0.00 0.00 14:10:13 ens3 44.90 36.30 71.99 12.56 0.00 0.00 0.00 0.00 14:10:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:13 lo 1477.66 1477.66 1408.08 1408.08 0.00 0.00 0.00 0.00 14:20:13 ens3 50.68 36.80 34.58 19.49 0.00 0.00 0.00 0.00 14:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:01 lo 2602.46 2602.46 9492.32 9492.32 0.00 0.00 0.00 0.00 14:30:01 ens3 23.41 19.07 96.98 4.69 0.00 0.00 0.00 0.00 14:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1789.32 1789.32 3991.15 3991.15 0.00 0.00 0.00 0.00 Average: ens3 39.81 30.84 67.68 12.30 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-6808) 09/10/26 _x86_64_ (4 CPU) 13:55:32 LINUX RESTART (4 CPU) 14:00:01 CPU %user %nice %system %iowait %steal %idle 14:10:13 all 68.06 0.00 2.54 0.06 0.03 29.30 14:10:13 0 67.42 0.00 2.43 0.03 0.03 30.08 14:10:13 1 67.79 0.00 2.35 0.05 0.03 29.78 14:10:13 2 68.70 0.00 2.86 0.09 0.03 28.32 14:10:13 3 68.34 0.00 2.51 0.08 0.04 29.03 14:20:13 all 61.89 0.00 2.76 0.10 0.03 35.22 14:20:13 0 60.69 0.00 2.78 0.08 0.03 36.42 14:20:13 1 62.47 0.00 2.88 0.09 0.03 34.53 14:20:13 2 60.23 0.00 2.52 0.18 0.03 37.03 14:20:13 3 64.18 0.00 2.84 0.07 0.03 32.88 14:30:01 all 29.30 0.00 1.36 0.11 0.03 69.20 14:30:01 0 19.95 0.00 1.43 0.23 0.03 78.36 14:30:01 1 32.52 0.00 1.25 0.03 0.03 66.17 14:30:01 2 31.04 0.00 0.97 0.05 0.03 67.91 14:30:01 3 33.73 0.00 1.78 0.13 0.03 64.32 Average: all 53.33 0.00 2.23 0.09 0.03 44.32 Average: 0 49.63 0.00 2.22 0.11 0.03 48.01 Average: 1 54.49 0.00 2.17 0.06 0.03 43.26 Average: 2 53.56 0.00 2.13 0.10 0.03 44.17 Average: 3 55.64 0.00 2.38 0.09 0.03 41.85