---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-1421 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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: 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 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 60G 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 682 10824 3 4483 14964 Swap: 1023 25 998 ---> 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:ba:a5:d2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.78/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79833sec preferred_lft 79833sec inet6 fe80::f816:3eff:feba:a5d2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:b6:48:1a:b7:23 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::58b6:48ff:fe1a:b723/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-1421) 04/09/26 _x86_64_ (4 CPU) 06:09:42 LINUX RESTART (4 CPU) 06:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:20:11 155.27 15.96 134.26 5.05 2035.40 39955.72 12995.11 06:30:11 70.58 25.20 43.13 2.25 318.85 4480.04 1942.21 06:40:11 12.72 0.40 11.59 0.72 7.29 434.31 1141.82 06:50:11 10.85 0.21 10.13 0.50 10.69 554.78 550.48 07:00:11 16.95 0.54 15.70 0.71 6.69 501.36 549.26 07:10:05 4.80 0.01 4.64 0.15 0.53 123.76 214.29 07:20:11 22.36 0.19 6.86 15.31 3.75 235.69 208437.85 07:30:11 6.96 0.01 6.75 0.20 0.52 184.36 81.19 07:40:11 4.83 0.03 4.66 0.14 0.61 153.27 54.33 07:50:11 9.38 0.05 8.97 0.36 4.33 576.76 134.27 Average: 31.72 4.28 24.88 2.56 242.24 4786.33 22798.39 06:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:20:11 1863944 13273004 2647628 16.17 259656 10887624 3398832 19.51 2104276 11565528 620468 06:30:11 2103796 5394796 10537148 64.36 263588 3007204 11265152 64.66 1947580 11731624 620 06:40:11 5441708 8767244 7167488 43.78 265200 3039924 8461152 48.57 1972064 8358236 208 06:50:11 8103988 11539600 4397824 26.86 269860 3145332 5278300 30.30 1999272 5702788 80 07:00:11 7972572 11478760 4458684 27.23 272164 3213604 5238556 30.07 2006932 5832744 76 07:10:05 7831292 11352312 4585008 28.00 272740 3227860 5374572 30.85 2008232 5965704 344 07:20:11 6613992 10176632 5760072 35.18 275296 3266924 6708072 38.50 2018576 7173568 476 07:30:11 6406360 9991372 5944824 36.31 276004 3288604 6791552 38.98 2021956 7380536 280 07:40:11 7859676 11467580 4469580 27.30 276752 3310732 5296880 30.40 2024500 5928984 56 07:50:11 7513636 11249904 4687048 28.63 280508 3433224 5342412 30.67 2038332 6254408 176 Average: 6171096 10469120 5465530 33.38 271177 3982103 6315548 36.25 2014172 7589412 62278 06:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:20:11 lo 3.23 3.23 2.41 2.41 0.00 0.00 0.00 0.00 06:20:11 ens3 158.67 118.30 2016.09 18.25 0.00 0.00 0.00 0.00 06:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:30:11 lo 45.55 45.55 27.16 27.16 0.00 0.00 0.00 0.00 06:30:11 ens3 2.10 1.89 0.46 0.41 0.00 0.00 0.00 0.00 06:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:40:11 lo 33.20 33.20 14.49 14.49 0.00 0.00 0.00 0.00 06:40:11 ens3 1.11 0.98 0.25 0.21 0.00 0.00 0.00 0.00 06:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:11 lo 13.04 13.04 6.02 6.02 0.00 0.00 0.00 0.00 06:50:11 ens3 0.83 0.66 0.24 0.19 0.00 0.00 0.00 0.00 06:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:11 lo 17.06 17.06 8.43 8.43 0.00 0.00 0.00 0.00 07:00:11 ens3 1.37 0.85 0.43 0.31 0.00 0.00 0.00 0.00 07:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:05 lo 11.57 11.57 6.39 6.39 0.00 0.00 0.00 0.00 07:10:05 ens3 0.64 0.43 0.15 0.11 0.00 0.00 0.00 0.00 07:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:11 lo 27.87 27.87 11.08 11.08 0.00 0.00 0.00 0.00 07:20:11 ens3 0.88 0.51 0.25 0.17 0.00 0.00 0.00 0.00 07:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:11 lo 21.78 21.78 10.80 10.80 0.00 0.00 0.00 0.00 07:30:11 ens3 0.70 0.56 0.15 0.11 0.00 0.00 0.00 0.00 07:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:11 lo 15.25 15.25 8.58 8.58 0.00 0.00 0.00 0.00 07:40:11 ens3 0.61 0.47 0.13 0.10 0.00 0.00 0.00 0.00 07:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:11 lo 20.44 20.44 10.04 10.04 0.00 0.00 0.00 0.00 07:50:11 ens3 1.09 0.88 0.31 0.25 0.00 0.00 0.00 0.00 07:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.88 20.88 10.53 10.53 0.00 0.00 0.00 0.00 Average: ens3 17.07 12.75 205.26 2.04 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-1421) 04/09/26 _x86_64_ (4 CPU) 06:09:42 LINUX RESTART (4 CPU) 06:10:00 CPU %user %nice %system %iowait %steal %idle 06:20:11 all 44.42 0.00 2.60 2.23 0.10 50.66 06:20:11 0 43.38 0.00 2.73 2.31 0.10 51.48 06:20:11 1 46.38 0.00 2.45 1.72 0.09 49.35 06:20:11 2 45.00 0.00 2.89 2.96 0.10 49.05 06:20:11 3 42.90 0.00 2.34 1.92 0.09 52.75 06:30:11 all 61.24 0.00 2.24 0.15 0.11 36.26 06:30:11 0 61.21 0.00 2.30 0.24 0.11 36.14 06:30:11 1 61.33 0.00 2.20 0.13 0.11 36.22 06:30:11 2 61.01 0.00 2.24 0.12 0.11 36.52 06:30:11 3 61.41 0.00 2.21 0.12 0.11 36.16 06:40:11 all 30.03 0.00 1.29 0.04 0.10 68.53 06:40:11 0 29.29 0.00 1.29 0.02 0.10 69.29 06:40:11 1 30.13 0.00 1.35 0.01 0.11 68.40 06:40:11 2 30.34 0.00 1.27 0.09 0.11 68.19 06:40:11 3 30.36 0.00 1.26 0.03 0.10 68.25 06:50:11 all 16.14 0.00 0.58 0.05 0.10 83.12 06:50:11 0 16.50 0.00 0.62 0.03 0.10 82.75 06:50:11 1 16.26 0.00 0.55 0.06 0.09 83.04 06:50:11 2 15.85 0.00 0.67 0.03 0.12 83.33 06:50:11 3 15.97 0.00 0.50 0.09 0.09 83.35 07:00:11 all 24.57 0.00 0.82 0.06 0.09 74.45 07:00:11 0 24.47 0.00 0.86 0.06 0.09 74.52 07:00:11 1 24.60 0.00 0.71 0.03 0.09 74.57 07:00:11 2 25.18 0.00 0.90 0.02 0.09 73.80 07:00:11 3 24.04 0.00 0.82 0.13 0.09 74.92 07:10:05 all 7.58 0.00 0.42 0.02 0.09 91.89 07:10:05 0 7.57 0.00 0.34 0.04 0.08 91.97 07:10:05 1 7.73 0.00 0.49 0.00 0.10 91.68 07:10:05 2 7.15 0.00 0.44 0.02 0.10 92.30 07:10:05 3 7.87 0.00 0.40 0.02 0.09 91.62 07:20:11 all 14.58 0.00 0.65 0.05 0.09 84.64 07:20:11 0 14.95 0.00 0.63 0.09 0.08 84.24 07:20:11 1 15.02 0.00 0.72 0.05 0.09 84.12 07:20:11 2 14.32 0.00 0.59 0.03 0.10 84.97 07:20:11 3 14.04 0.00 0.64 0.01 0.09 85.22 07:30:11 all 11.32 0.00 0.53 0.62 0.09 87.44 07:30:11 0 11.48 0.00 0.48 0.63 0.09 87.31 07:30:11 1 10.77 0.00 0.48 0.61 0.10 88.05 07:30:11 2 11.78 0.00 0.60 0.59 0.10 86.93 07:30:11 3 11.24 0.00 0.55 0.66 0.09 87.46 07:40:11 all 8.58 0.00 0.44 0.66 0.06 90.26 07:40:11 0 8.54 0.00 0.38 1.14 0.06 89.88 07:40:11 1 8.78 0.00 0.51 0.37 0.06 90.29 07:40:11 2 8.56 0.00 0.44 0.71 0.06 90.24 07:40:11 3 8.45 0.00 0.43 0.43 0.06 90.64 07:50:11 all 15.31 0.00 0.56 0.62 0.10 83.41 07:50:11 0 14.67 0.00 0.50 0.58 0.07 84.18 07:50:11 1 16.15 0.00 0.60 0.45 0.13 82.68 07:50:11 2 14.72 0.00 0.58 0.87 0.08 83.75 07:50:11 3 15.70 0.00 0.58 0.58 0.12 83.03 Average: all 23.41 0.00 1.02 0.45 0.09 75.03 Average: 0 23.24 0.00 1.02 0.52 0.09 75.13 Average: 1 23.74 0.00 1.01 0.35 0.10 74.81 Average: 2 23.42 0.00 1.07 0.55 0.10 74.87 Average: 3 23.23 0.00 0.97 0.40 0.09 75.30