---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20754 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 12G 66G 15% / 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 635 9192 4 6161 15010 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:b6:c0:b0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.236/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81073sec preferred_lft 81073sec inet6 fe80::f816:3eff:feb6:c0b0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:2f:31:77:1d:21 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-20754) 05/27/26 _x86_64_ (4 CPU) 16:16:42 LINUX RESTART (4 CPU) 16:20:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:30:16 17.04 0.42 3.61 13.01 402.43 405.39 248542.81 16:40:16 1.55 0.01 1.55 0.00 0.04 17.00 0.00 16:50:16 1.43 0.00 1.43 0.00 0.00 15.60 0.00 17:00:16 1.56 0.00 1.56 0.00 0.00 17.25 0.00 17:10:16 1.51 0.00 1.51 0.00 0.00 16.76 0.00 17:20:16 13.81 11.89 1.92 0.01 132.33 33.53 0.11 17:30:03 1.95 0.40 1.55 0.00 16.86 49.16 0.00 17:40:16 68.92 4.25 62.23 2.44 256.88 10439.72 9505.23 Average: 13.65 2.13 9.58 1.94 101.70 1401.38 32281.83 16:20:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:30:16 13554332 15527564 488256 2.98 57660 2140948 1150544 6.60 338512 2221572 20 16:40:16 13553104 15527100 488908 2.99 58264 2141084 1150608 6.60 339136 2222564 20 16:50:16 13552348 15526920 489168 2.99 58832 2141092 1158800 6.65 339696 2223384 172 17:00:16 13551620 15526804 489208 2.99 59424 2141108 1158864 6.65 340284 2227648 20 17:10:16 13550868 15526680 489296 2.99 60036 2141112 1158864 6.65 340900 2227704 44 17:20:16 13500280 15525824 482404 2.95 63204 2180736 1167200 6.70 378952 2232444 44 17:30:03 13437844 15478864 529252 3.23 63932 2195272 1178924 6.77 383024 2304676 196 17:40:16 7955968 13042008 2911340 17.78 142404 5011788 3054432 17.53 1304988 6663860 19400 Average: 12832046 15210220 795979 4.86 70470 2511642 1397280 8.02 470686 2790482 2490 16:20:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:30:16 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 16:30:16 ens3 10.70 7.84 129.42 0.57 0.00 0.00 0.00 0.00 16:30:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:40:16 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 16:40:16 ens3 0.33 0.11 0.08 0.04 0.00 0.00 0.00 0.00 16:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:50:16 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 16:50:16 ens3 0.21 0.08 0.04 0.02 0.00 0.00 0.00 0.00 16:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:16 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 17:00:16 ens3 0.40 0.45 0.08 0.52 0.00 0.00 0.00 0.00 17:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:16 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 17:10:16 ens3 0.18 0.08 0.04 0.02 0.00 0.00 0.00 0.00 17:10:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:20:16 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 17:20:16 ens3 0.18 0.07 0.04 0.02 0.00 0.00 0.00 0.00 17:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:03 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 17:30:03 ens3 11.66 6.34 20.62 2.73 0.00 0.00 0.00 0.00 17:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:40:16 lo 751.40 751.40 715.88 715.88 0.00 0.00 0.00 0.00 17:40:16 ens3 138.19 105.65 1306.57 20.33 0.00 0.00 0.00 0.00 17:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 95.98 95.98 91.36 91.36 0.00 0.00 0.00 0.00 Average: ens3 20.56 15.34 185.46 3.08 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-20754) 05/27/26 _x86_64_ (4 CPU) 16:16:42 LINUX RESTART (4 CPU) 16:20:16 CPU %user %nice %system %iowait %steal %idle 16:30:16 all 0.41 0.00 0.12 0.07 0.02 99.38 16:30:16 0 0.85 0.00 0.11 0.01 0.02 99.01 16:30:16 1 0.29 0.00 0.11 0.17 0.02 99.41 16:30:16 2 0.32 0.00 0.16 0.10 0.02 99.41 16:30:16 3 0.19 0.00 0.09 0.01 0.01 99.70 16:40:16 all 0.15 0.00 0.03 0.01 0.02 99.79 16:40:16 0 0.55 0.00 0.03 0.00 0.02 99.40 16:40:16 1 0.01 0.00 0.03 0.03 0.01 99.91 16:40:16 2 0.02 0.00 0.03 0.00 0.02 99.92 16:40:16 3 0.04 0.00 0.02 0.00 0.01 99.94 16:50:16 all 0.12 0.00 0.02 0.01 0.01 99.83 16:50:16 0 0.42 0.00 0.02 0.00 0.01 99.56 16:50:16 1 0.03 0.00 0.03 0.00 0.01 99.93 16:50:16 2 0.03 0.00 0.03 0.03 0.02 99.90 16:50:16 3 0.03 0.00 0.02 0.00 0.02 99.93 17:00:16 all 0.20 0.00 0.02 0.01 0.02 99.75 17:00:16 0 0.11 0.00 0.01 0.00 0.01 99.87 17:00:16 1 0.03 0.00 0.02 0.00 0.01 99.94 17:00:16 2 0.02 0.00 0.03 0.03 0.02 99.90 17:00:16 3 0.64 0.00 0.03 0.00 0.02 99.30 17:10:16 all 0.16 0.00 0.03 0.01 0.02 99.79 17:10:16 0 0.01 0.00 0.02 0.00 0.01 99.96 17:10:16 1 0.03 0.00 0.04 0.00 0.02 99.91 17:10:16 2 0.02 0.00 0.02 0.03 0.01 99.92 17:10:16 3 0.57 0.00 0.02 0.01 0.02 99.38 17:20:16 all 0.35 0.08 0.05 0.07 0.02 99.44 17:20:16 0 0.02 0.30 0.09 0.21 0.02 99.37 17:20:16 1 0.03 0.00 0.03 0.00 0.01 99.92 17:20:16 2 0.02 0.01 0.02 0.02 0.01 99.92 17:20:16 3 1.32 0.00 0.05 0.03 0.03 98.56 17:30:03 all 0.35 0.00 0.04 0.01 0.02 99.57 17:30:03 0 0.30 0.00 0.03 0.00 0.01 99.66 17:30:03 1 0.32 0.00 0.04 0.01 0.02 99.61 17:30:03 2 0.19 0.00 0.05 0.04 0.01 99.71 17:30:03 3 0.61 0.00 0.04 0.00 0.03 99.32 17:40:16 all 46.85 0.00 2.03 0.30 0.08 50.74 17:40:16 0 48.21 0.00 1.97 0.17 0.08 49.57 17:40:16 1 50.28 0.00 2.27 0.40 0.08 46.97 17:40:16 2 44.71 0.00 2.15 0.48 0.08 52.58 17:40:16 3 44.20 0.00 1.72 0.17 0.08 53.83 Average: all 6.18 0.01 0.30 0.06 0.02 93.43 Average: 0 6.42 0.04 0.29 0.05 0.02 93.18 Average: 1 6.49 0.00 0.33 0.08 0.02 93.08 Average: 2 5.77 0.00 0.32 0.09 0.02 93.80 Average: 3 6.04 0.00 0.25 0.03 0.03 93.65