---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-14377 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 UTC 2025 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 18G 61G 23% / 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 710 11398 3 3880 14928 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:e1:80:fd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.232/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80319sec preferred_lft 80319sec inet6 fe80::f816:3eff:fee1:80fd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:7f:80:6c:c4:fc 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-16g-14377) 12/16/25 _x86_64_ (4 CPU) 18:40:51 LINUX RESTART (4 CPU) 18:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:00:06 93.16 38.74 51.34 3.08 505.35 5363.78 4554.09 19:10:06 21.00 0.33 19.72 0.96 14.24 747.49 859.01 19:20:01 14.09 0.15 13.29 0.65 9.18 369.41 379.72 19:30:06 4.70 0.02 4.51 0.17 0.96 115.77 115.77 19:40:06 4.81 0.03 4.60 0.18 2.12 123.53 138.16 19:50:01 4.75 0.00 4.56 0.18 0.31 126.95 57.74 20:00:06 5.03 0.04 4.83 0.17 1.70 137.58 47.85 20:10:06 8.61 0.09 8.15 0.37 2.84 524.43 121.76 20:20:01 5.10 0.02 4.88 0.20 0.59 153.29 85.23 Average: 17.99 4.41 12.91 0.66 60.15 855.86 710.39 18:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:00:06 970664 3866908 12059536 73.65 264204 2674608 13386928 76.84 2132436 12741012 380 19:10:06 10644324 13669792 2261512 13.81 270288 2793292 2987604 17.15 2172708 3042988 6440 19:20:01 8289736 11354368 4577136 27.96 273088 2829660 5321456 30.55 2180644 5385168 192 19:30:06 8285916 11363076 4568268 27.90 273672 2841636 5273092 30.27 2182224 5396340 216 19:40:06 6796276 9888272 6042456 36.90 274288 2855840 6770256 38.86 2184732 6875096 704 19:50:01 6871112 9978000 5952936 36.36 274744 2870252 6716584 38.55 2187908 6801008 492 20:00:06 8478848 11603652 4328080 26.43 275388 2887516 5086256 29.20 2190536 5199988 352 20:10:06 8171084 11413628 4517792 27.59 279444 2996040 5210580 29.91 2205312 5487460 240 20:20:01 7174092 10438652 5492304 33.54 280168 3017340 6122288 35.14 2215888 6467800 48 Average: 7298006 10397372 5533336 33.80 273920 2862909 6319449 36.27 2183599 6377429 1007 18:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:00:06 lo 37.39 37.39 22.98 22.98 0.00 0.00 0.00 0.00 19:00:06 ens3 2.23 2.22 0.66 0.58 0.00 0.00 0.00 0.00 19:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:10:06 lo 35.95 35.95 14.64 14.64 0.00 0.00 0.00 0.00 19:10:06 ens3 1.48 1.29 0.41 0.35 0.00 0.00 0.00 0.00 19:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:20:01 lo 19.58 19.58 10.21 10.21 0.00 0.00 0.00 0.00 19:20:01 ens3 1.02 0.96 0.18 1.06 0.00 0.00 0.00 0.00 19:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:06 lo 21.77 21.77 8.87 8.87 0.00 0.00 0.00 0.00 19:30:06 ens3 0.69 0.53 0.17 0.13 0.00 0.00 0.00 0.00 19:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:06 lo 19.29 19.29 8.36 8.36 0.00 0.00 0.00 0.00 19:40:06 ens3 0.62 0.39 0.18 0.12 0.00 0.00 0.00 0.00 19:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:50:01 lo 14.33 14.33 7.34 7.34 0.00 0.00 0.00 0.00 19:50:01 ens3 0.70 0.46 0.16 0.11 0.00 0.00 0.00 0.00 19:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:00:06 lo 16.35 16.35 9.44 9.44 0.00 0.00 0.00 0.00 20:00:06 ens3 0.67 0.52 0.16 0.12 0.00 0.00 0.00 0.00 20:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:06 lo 14.92 14.92 7.79 7.79 0.00 0.00 0.00 0.00 20:10:06 ens3 1.00 0.72 0.29 0.21 0.00 0.00 0.00 0.00 20:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:01 lo 30.02 30.02 11.61 11.61 0.00 0.00 0.00 0.00 20:20:01 ens3 0.77 0.53 0.17 0.12 0.00 0.00 0.00 0.00 20:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 23.30 23.30 11.26 11.26 0.00 0.00 0.00 0.00 Average: ens3 1.02 0.85 0.26 0.31 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-16g-14377) 12/16/25 _x86_64_ (4 CPU) 18:40:51 LINUX RESTART (4 CPU) 18:50:01 CPU %user %nice %system %iowait %steal %idle 19:00:06 all 60.55 0.07 2.46 0.14 0.11 36.67 19:00:06 0 60.71 0.03 2.42 0.17 0.10 36.57 19:00:06 1 60.70 0.19 2.44 0.18 0.11 36.37 19:00:06 2 61.09 0.00 2.43 0.09 0.11 36.29 19:00:06 3 59.72 0.05 2.56 0.12 0.11 37.44 19:10:06 all 32.25 0.00 1.35 0.07 0.11 66.22 19:10:06 0 31.76 0.00 1.25 0.18 0.11 66.70 19:10:06 1 32.72 0.00 1.52 0.06 0.11 65.58 19:10:06 2 32.64 0.00 1.33 0.03 0.11 65.89 19:10:06 3 31.89 0.00 1.28 0.03 0.12 66.69 19:20:01 all 24.48 0.00 0.88 0.05 0.10 74.49 19:20:01 0 23.97 0.00 0.85 0.04 0.09 75.06 19:20:01 1 24.29 0.00 0.79 0.06 0.10 74.76 19:20:01 2 25.09 0.00 0.96 0.02 0.10 73.83 19:20:01 3 24.59 0.00 0.94 0.07 0.10 74.30 19:30:06 all 7.88 0.00 0.46 0.02 0.10 91.54 19:30:06 0 7.80 0.00 0.47 0.05 0.09 91.58 19:30:06 1 7.87 0.00 0.45 0.01 0.11 91.56 19:30:06 2 8.11 0.00 0.51 0.01 0.10 91.27 19:30:06 3 7.74 0.00 0.41 0.01 0.10 91.75 19:40:06 all 8.72 0.00 0.43 0.02 0.10 90.73 19:40:06 0 8.21 0.00 0.50 0.01 0.10 91.19 19:40:06 1 8.60 0.00 0.39 0.03 0.09 90.88 19:40:06 2 9.04 0.00 0.43 0.03 0.11 90.39 19:40:06 3 9.02 0.00 0.41 0.00 0.10 90.47 19:50:01 all 8.46 0.00 0.40 0.02 0.09 91.02 19:50:01 0 8.19 0.00 0.42 0.01 0.10 91.29 19:50:01 1 8.90 0.00 0.36 0.01 0.09 90.64 19:50:01 2 8.35 0.00 0.36 0.06 0.09 91.14 19:50:01 3 8.41 0.00 0.46 0.01 0.09 91.03 20:00:06 all 7.65 0.00 0.36 0.02 0.09 91.87 20:00:06 0 7.59 0.00 0.43 0.03 0.09 91.86 20:00:06 1 7.64 0.00 0.35 0.00 0.10 91.91 20:00:06 2 7.49 0.00 0.38 0.04 0.10 92.00 20:00:06 3 7.91 0.00 0.29 0.02 0.09 91.69 20:10:06 all 13.09 0.00 0.65 0.04 0.10 86.13 20:10:06 0 12.97 0.00 0.63 0.04 0.09 86.27 20:10:06 1 14.13 0.00 0.78 0.02 0.10 84.98 20:10:06 2 12.62 0.00 0.61 0.02 0.10 86.66 20:10:06 3 12.63 0.00 0.56 0.11 0.10 86.60 20:20:01 all 9.54 0.00 0.53 0.02 0.10 89.82 20:20:01 0 9.61 0.00 0.53 0.05 0.09 89.72 20:20:01 1 9.35 0.00 0.57 0.02 0.10 89.97 20:20:01 2 9.92 0.00 0.52 0.01 0.10 89.45 20:20:01 3 9.27 0.00 0.48 0.02 0.09 90.14 Average: all 19.21 0.01 0.84 0.05 0.10 79.80 Average: 0 19.01 0.00 0.83 0.06 0.10 80.00 Average: 1 19.37 0.02 0.85 0.04 0.10 79.61 Average: 2 19.40 0.00 0.84 0.03 0.10 79.63 Average: 3 19.04 0.01 0.82 0.04 0.10 79.98