---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-47138 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 16G 62G 21% / 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 736 6138 4 9114 14909 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:60:22:40 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.46/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82152sec preferred_lft 82152sec inet6 fe80::f816:3eff:fe60:2240/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:cb:10:e7:11:d2 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 inet6 fe80::c8cb:10ff:fee7:11d2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-4c-16g-47138) 09/03/26 _x86_64_ (4 CPU) 09:10:32 LINUX RESTART (4 CPU) 09:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:01 16.72 0.63 15.24 0.84 57.99 2082.35 666.38 09:40:02 7.37 0.22 6.86 0.29 17.60 233.55 631.37 09:50:02 5.87 0.00 5.53 0.34 0.01 172.71 323.43 10:00:01 6.06 0.00 5.79 0.27 0.00 196.24 542.99 10:10:02 29.10 0.74 26.84 1.52 8.83 1990.12 2294.87 10:20:02 25.09 0.06 23.76 1.27 3.81 1614.03 1291.74 Average: 15.04 0.28 14.01 0.76 14.71 1048.60 958.86 09:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 360340 8932104 6993604 42.71 231740 8172408 7798952 44.77 1912232 13359500 424 09:40:02 6015968 14419532 1509236 9.22 232992 8005864 2604760 14.95 1957880 7685496 688 09:50:02 2786268 11199548 4727980 28.88 234336 8014200 5490480 31.52 1962164 10898312 232 10:00:01 1223176 9648184 6278188 38.34 235592 8024692 7048020 40.46 1965352 12457052 256 10:10:02 743376 9592912 6331924 38.67 250036 8419416 7021972 40.31 2098176 12786544 368 10:20:02 2490280 11390712 4533728 27.69 260824 8446812 5274984 30.28 2203764 10909180 324 Average: 2269901 10863832 5062443 30.92 240920 8180565 5873195 33.71 2016595 11349347 382 09:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:01 lo 9.29 9.29 7.40 7.40 0.00 0.00 0.00 0.00 09:30:01 ens3 0.78 0.63 0.19 0.16 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:02 lo 8.11 8.11 4.47 4.47 0.00 0.00 0.00 0.00 09:40:02 ens3 0.50 0.41 0.08 0.07 0.00 0.00 0.00 0.00 09:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:02 lo 9.68 9.68 5.56 5.56 0.00 0.00 0.00 0.00 09:50:02 ens3 0.66 0.60 0.11 0.10 0.00 0.00 0.00 0.00 09:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:01 lo 9.90 9.90 5.09 5.09 0.00 0.00 0.00 0.00 10:00:01 ens3 0.52 0.31 0.11 0.08 0.00 0.00 0.00 0.00 10:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:02 lo 12.36 12.36 12.32 12.32 0.00 0.00 0.00 0.00 10:10:02 ens3 1.38 1.58 0.37 0.34 0.00 0.00 0.00 0.00 10:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:02 lo 32.96 32.96 15.57 15.57 0.00 0.00 0.00 0.00 10:20:02 ens3 1.79 1.86 0.39 1.34 0.00 0.00 0.00 0.00 10:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 13.72 13.72 8.40 8.40 0.00 0.00 0.00 0.00 Average: ens3 0.94 0.90 0.21 0.35 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-16g-47138) 09/03/26 _x86_64_ (4 CPU) 09:10:32 LINUX RESTART (4 CPU) 09:20:01 CPU %user %nice %system %iowait %steal %idle 09:30:01 all 19.55 0.00 0.97 0.10 0.08 79.29 09:30:01 0 21.36 0.00 1.04 0.11 0.07 77.42 09:30:01 1 18.72 0.00 1.12 0.09 0.09 79.98 09:30:01 2 19.44 0.00 0.88 0.12 0.08 79.47 09:30:01 3 18.67 0.00 0.84 0.09 0.09 80.31 09:40:02 all 12.15 0.00 0.64 0.04 0.07 87.11 09:40:02 0 11.67 0.00 0.66 0.04 0.07 87.56 09:40:02 1 12.28 0.00 0.59 0.03 0.07 87.03 09:40:02 2 12.85 0.00 0.71 0.03 0.07 86.33 09:40:02 3 11.78 0.00 0.59 0.05 0.07 87.51 09:50:02 all 13.00 0.00 0.60 0.04 0.06 86.30 09:50:02 0 12.62 0.00 0.66 0.04 0.06 86.62 09:50:02 1 12.96 0.00 0.57 0.03 0.06 86.38 09:50:02 2 12.62 0.00 0.59 0.03 0.06 86.70 09:50:02 3 13.81 0.00 0.59 0.06 0.05 85.49 10:00:01 all 10.84 0.00 0.70 0.04 0.05 88.38 10:00:01 0 11.28 0.00 0.80 0.04 0.05 87.83 10:00:01 1 10.55 0.00 0.67 0.05 0.05 88.67 10:00:01 2 10.71 0.00 0.71 0.03 0.06 88.49 10:00:01 3 10.80 0.00 0.60 0.03 0.05 88.51 10:10:02 all 41.33 0.00 1.65 0.10 0.06 56.86 10:10:02 0 40.95 0.00 1.65 0.05 0.06 57.29 10:10:02 1 41.12 0.00 1.49 0.14 0.06 57.18 10:10:02 2 41.39 0.00 1.75 0.11 0.07 56.68 10:10:02 3 41.85 0.00 1.70 0.08 0.07 56.30 10:20:02 all 37.17 0.00 1.48 0.10 0.06 61.19 10:20:02 0 37.02 0.00 1.57 0.08 0.06 61.27 10:20:02 1 37.47 0.00 1.50 0.17 0.06 60.81 10:20:02 2 36.54 0.00 1.46 0.05 0.06 61.89 10:20:02 3 37.65 0.00 1.41 0.12 0.05 60.77 Average: all 22.35 0.00 1.01 0.07 0.06 76.51 Average: 0 22.50 0.00 1.06 0.06 0.06 76.31 Average: 1 22.21 0.00 0.99 0.09 0.06 76.65 Average: 2 22.27 0.00 1.02 0.06 0.07 76.59 Average: 3 22.43 0.00 0.96 0.07 0.06 76.48