---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22019 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: 5600.00 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 9.9G 68G 13% / 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 657 11103 4 4228 14988 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:3f:db:47 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.233/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81788sec preferred_lft 81788sec inet6 fe80::f816:3eff:fe3f:db47/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:cf:eb:22:8f:7d 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-22019) 09/19/26 _x86_64_ (4 CPU) 07:02:25 LINUX RESTART (4 CPU) 07:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:20:28 1.18 0.01 1.17 0.00 0.05 14.34 0.13 07:30:26 1.05 0.00 1.05 0.00 0.09 12.58 0.00 07:40:01 14.53 0.00 1.24 13.29 0.15 14.47 253225.43 07:50:00 10.72 9.19 1.53 0.00 105.89 21.83 0.05 08:00:26 4.35 2.61 1.73 0.00 26.03 26.45 0.05 08:10:01 1.56 0.06 1.50 0.00 3.38 22.42 0.00 Average: 5.49 1.99 1.37 2.12 22.72 18.71 40431.85 07:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:20:28 13732400 15511776 506344 3.09 53712 1953700 1169644 6.71 186780 2189820 180 07:30:26 13730640 15510416 507672 3.10 54080 1953740 1169644 6.71 187128 2190604 172 07:40:01 13726356 15511520 506468 3.09 54696 1958512 1169644 6.71 192508 2191612 204 07:50:00 13673700 15497724 513760 3.14 56784 1989800 1175204 6.75 221864 2201056 332 08:00:26 13670240 15506036 504016 3.08 58632 1998048 1169644 6.71 231356 2197976 184 08:10:01 13661208 15502540 507344 3.10 59204 2003000 1174964 6.74 232544 2224408 2620 Average: 13699091 15506669 507601 3.10 56185 1976133 1171457 6.72 208697 2199246 615 07:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:20:28 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 07:20:28 ens3 0.45 0.08 0.05 0.02 0.00 0.00 0.00 0.00 07:20:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:26 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 07:30:26 ens3 0.32 0.09 0.04 0.02 0.00 0.00 0.00 0.00 07:30:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 07:40:01 ens3 0.33 0.09 0.04 0.02 0.00 0.00 0.00 0.00 07:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 07:50:00 ens3 0.29 0.07 0.04 0.02 0.00 0.00 0.00 0.00 07:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:26 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 08:00:26 ens3 0.29 0.09 0.06 0.03 0.00 0.00 0.00 0.00 08:00:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 08:10:01 ens3 4.50 3.15 9.52 1.18 0.00 0.00 0.00 0.00 08:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 1.00 0.57 1.56 0.21 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-22019) 09/19/26 _x86_64_ (4 CPU) 07:02:25 LINUX RESTART (4 CPU) 07:10:01 CPU %user %nice %system %iowait %steal %idle 07:20:28 all 0.03 0.00 0.02 0.01 0.00 99.94 07:20:28 0 0.01 0.00 0.01 0.00 0.00 99.97 07:20:28 1 0.08 0.00 0.03 0.01 0.00 99.89 07:20:28 2 0.02 0.00 0.01 0.00 0.00 99.96 07:20:28 3 0.01 0.00 0.01 0.03 0.00 99.94 07:30:26 all 0.19 0.00 0.02 0.01 0.00 99.78 07:30:26 0 0.02 0.00 0.02 0.00 0.00 99.97 07:30:26 1 0.70 0.00 0.03 0.01 0.00 99.26 07:30:26 2 0.02 0.00 0.02 0.00 0.00 99.97 07:30:26 3 0.03 0.00 0.02 0.03 0.00 99.92 07:40:01 all 0.06 0.00 0.02 0.04 0.00 99.88 07:40:01 0 0.17 0.00 0.02 0.00 0.00 99.80 07:40:01 1 0.02 0.00 0.01 0.01 0.00 99.96 07:40:01 2 0.02 0.00 0.02 0.00 0.00 99.95 07:40:01 3 0.02 0.00 0.03 0.13 0.00 99.81 07:50:00 all 0.28 0.05 0.04 0.06 0.00 99.57 07:50:00 0 1.06 0.00 0.02 0.00 0.00 98.91 07:50:00 1 0.02 0.20 0.08 0.19 0.00 99.51 07:50:00 2 0.02 0.00 0.02 0.01 0.00 99.96 07:50:00 3 0.02 0.00 0.02 0.05 0.00 99.91 08:00:26 all 0.09 0.02 0.02 0.03 0.00 99.84 08:00:26 0 0.30 0.00 0.03 0.03 0.00 99.64 08:00:26 1 0.02 0.06 0.03 0.07 0.00 99.82 08:00:26 2 0.02 0.00 0.01 0.00 0.00 99.97 08:00:26 3 0.01 0.00 0.02 0.04 0.00 99.93 08:10:01 all 0.07 0.00 0.03 0.01 0.00 99.89 08:10:01 0 0.04 0.00 0.01 0.04 0.00 99.91 08:10:01 1 0.03 0.00 0.02 0.01 0.00 99.93 08:10:01 2 0.08 0.00 0.05 0.00 0.00 99.87 08:10:01 3 0.11 0.00 0.03 0.01 0.00 99.85 Average: all 0.12 0.01 0.02 0.03 0.00 99.82 Average: 0 0.27 0.00 0.02 0.01 0.00 99.70 Average: 1 0.15 0.04 0.03 0.05 0.00 99.73 Average: 2 0.03 0.00 0.02 0.00 0.00 99.95 Average: 3 0.03 0.00 0.02 0.05 0.00 99.90