---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-493790 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: 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 686 11832 3 3470 14959 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:54:d0:84 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.39/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79281sec preferred_lft 79281sec inet6 fe80::f816:3eff:fe54:d084/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:60:b5:94:f5:e7 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-493790) 03/16/26 _x86_64_ (4 CPU) 16:41:12 LINUX RESTART (4 CPU) 16:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:00:00 72.20 20.55 49.05 2.59 256.72 5075.45 2670.02 17:10:01 20.52 8.12 11.65 0.75 153.17 421.34 2808.46 17:20:01 15.91 0.21 14.97 0.74 11.56 709.30 1891.53 17:30:31 12.61 0.02 12.05 0.54 0.61 347.34 407.04 17:40:01 20.93 0.12 4.64 16.17 2.23 119.28 223205.86 17:50:00 4.33 0.00 4.16 0.17 0.17 115.38 97.11 18:00:30 4.30 0.01 4.11 0.18 1.36 120.05 80.71 18:10:01 5.74 0.25 5.29 0.20 10.01 146.26 64.19 18:20:31 10.73 0.36 9.95 0.42 10.97 543.61 236.40 18:30:32 4.58 0.07 4.34 0.17 2.01 132.14 289.59 Average: 17.10 2.96 12.04 2.10 44.67 772.47 21927.54 16:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:00:00 201436 2568180 13367504 81.64 257792 2165940 14259624 81.85 1851048 13807416 504 17:10:01 7560004 10000900 5938712 36.27 260172 2237588 6917308 39.71 1915076 6385332 6064 17:20:01 11162304 13715712 2227880 13.61 265360 2344880 2939716 16.87 1944068 2783560 456 17:30:31 8890016 11488568 4453836 27.20 267480 2387904 5189996 29.79 1948676 5055052 404 17:40:01 8718680 11336196 4605868 28.13 270196 2404172 5291812 30.37 1956592 5215956 364 17:50:00 8656340 11288212 4653860 28.42 270828 2417892 5241708 30.09 1957784 5270412 236 18:00:30 7159292 9806800 6134680 37.47 271316 2433044 6769008 38.85 1959808 6759744 140 18:10:01 7140408 9807688 6133568 37.46 272268 2451896 6817308 39.13 1964832 6773764 268 18:20:31 8559448 11344732 4597512 28.08 276324 2565800 5377184 30.86 1974024 5354644 168 18:30:32 8510952 11316096 4626176 28.25 277048 2584944 5346500 30.69 1982164 5394972 268 Average: 7655888 10267308 5673960 34.65 268878 2399406 6415016 36.82 1945407 6280085 887 16:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:00:00 lo 35.56 35.56 21.49 21.49 0.00 0.00 0.00 0.00 17:00:00 ens3 2.28 2.30 0.67 1.37 0.00 0.00 0.00 0.00 17:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:01 lo 35.97 35.97 14.74 14.74 0.00 0.00 0.00 0.00 17:10:01 ens3 0.98 0.96 0.23 0.19 0.00 0.00 0.00 0.00 17:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:20:01 lo 11.85 11.85 7.02 7.02 0.00 0.00 0.00 0.00 17:20:01 ens3 0.99 1.04 0.26 0.23 0.00 0.00 0.00 0.00 17:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:31 lo 10.69 10.69 5.77 5.77 0.00 0.00 0.00 0.00 17:30:31 ens3 0.63 0.63 0.14 0.11 0.00 0.00 0.00 0.00 17:30:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:40:01 lo 19.86 19.86 9.50 9.50 0.00 0.00 0.00 0.00 17:40:01 ens3 0.87 0.64 0.24 0.17 0.00 0.00 0.00 0.00 17:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:00 lo 19.17 19.17 6.48 6.48 0.00 0.00 0.00 0.00 17:50:00 ens3 0.51 0.34 0.13 0.09 0.00 0.00 0.00 0.00 17:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:30 lo 18.09 18.09 8.47 8.47 0.00 0.00 0.00 0.00 18:00:30 ens3 0.56 0.42 0.12 0.09 0.00 0.00 0.00 0.00 18:00:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:01 lo 17.75 17.75 10.55 10.55 0.00 0.00 0.00 0.00 18:10:01 ens3 1.44 0.71 0.46 0.30 0.00 0.00 0.00 0.00 18:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:31 lo 12.58 12.58 7.54 7.54 0.00 0.00 0.00 0.00 18:20:31 ens3 0.80 0.62 0.22 0.17 0.00 0.00 0.00 0.00 18:20:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:32 lo 9.08 9.08 3.94 3.94 0.00 0.00 0.00 0.00 18:30:32 ens3 0.51 0.34 0.11 0.08 0.00 0.00 0.00 0.00 18:30:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 18.98 18.98 9.51 9.51 0.00 0.00 0.00 0.00 Average: ens3 0.95 0.80 0.26 0.28 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-493790) 03/16/26 _x86_64_ (4 CPU) 16:41:12 LINUX RESTART (4 CPU) 16:50:00 CPU %user %nice %system %iowait %steal %idle 17:00:00 all 56.94 0.00 2.09 0.12 0.12 40.73 17:00:00 0 56.82 0.00 2.11 0.10 0.12 40.84 17:00:00 1 56.77 0.00 2.27 0.05 0.12 40.79 17:00:00 2 57.45 0.00 2.02 0.27 0.12 40.15 17:00:00 3 56.74 0.00 1.95 0.06 0.12 41.14 17:10:01 all 26.22 0.00 1.20 0.07 0.10 72.41 17:10:01 0 26.27 0.00 1.19 0.09 0.10 72.35 17:10:01 1 26.87 0.00 1.18 0.07 0.10 71.77 17:10:01 2 25.40 0.00 1.32 0.04 0.10 73.14 17:10:01 3 26.34 0.00 1.11 0.07 0.10 72.38 17:20:01 all 25.43 0.00 0.94 0.08 0.08 73.47 17:20:01 0 26.15 0.00 0.99 0.06 0.08 72.73 17:20:01 1 24.34 0.00 0.95 0.08 0.09 74.54 17:20:01 2 25.63 0.00 1.02 0.16 0.08 73.10 17:20:01 3 25.61 0.00 0.79 0.02 0.08 73.49 17:30:31 all 21.25 0.00 0.73 0.04 0.08 77.90 17:30:31 0 21.53 0.00 0.66 0.03 0.07 77.71 17:30:31 1 20.83 0.00 0.82 0.07 0.08 78.20 17:30:31 2 21.74 0.00 0.76 0.02 0.08 77.40 17:30:31 3 20.91 0.00 0.69 0.02 0.07 78.30 17:40:01 all 8.79 0.00 0.34 0.03 0.07 90.77 17:40:01 0 9.04 0.00 0.30 0.04 0.07 90.55 17:40:01 1 8.31 0.00 0.40 0.07 0.07 91.15 17:40:01 2 8.80 0.00 0.32 0.00 0.06 90.81 17:40:01 3 8.99 0.00 0.35 0.03 0.07 90.56 17:50:00 all 8.02 0.00 0.40 0.01 0.07 91.50 17:50:00 0 7.67 0.00 0.40 0.01 0.07 91.85 17:50:00 1 8.01 0.00 0.47 0.01 0.08 91.44 17:50:00 2 8.26 0.00 0.38 0.02 0.08 91.26 17:50:00 3 8.13 0.00 0.35 0.02 0.06 91.44 18:00:30 all 9.05 0.00 0.39 0.01 0.08 90.46 18:00:30 0 9.16 0.00 0.40 0.01 0.08 90.35 18:00:30 1 8.89 0.00 0.38 0.01 0.08 90.64 18:00:30 2 9.13 0.00 0.36 0.01 0.08 90.43 18:00:30 3 9.04 0.00 0.43 0.02 0.08 90.43 18:10:01 all 9.68 0.00 0.36 0.02 0.08 89.85 18:10:01 0 9.64 0.00 0.28 0.01 0.07 90.01 18:10:01 1 9.46 0.00 0.35 0.03 0.09 90.06 18:10:01 2 9.84 0.00 0.37 0.02 0.08 89.69 18:10:01 3 9.79 0.00 0.45 0.03 0.09 89.65 18:20:31 all 12.16 0.00 0.54 0.03 0.08 87.19 18:20:31 0 11.90 0.00 0.48 0.01 0.07 87.54 18:20:31 1 12.23 0.00 0.60 0.02 0.09 87.06 18:20:31 2 12.65 0.00 0.59 0.02 0.08 86.66 18:20:31 3 11.85 0.00 0.51 0.08 0.08 87.48 18:30:32 all 7.06 0.00 0.30 0.01 0.07 92.55 18:30:32 0 7.16 0.00 0.34 0.01 0.07 92.42 18:30:32 1 6.92 0.00 0.24 0.02 0.08 92.74 18:30:32 2 7.02 0.00 0.31 0.00 0.07 92.59 18:30:32 3 7.14 0.00 0.31 0.01 0.07 92.48 Average: all 18.48 0.00 0.73 0.04 0.08 80.66 Average: 0 18.56 0.00 0.72 0.04 0.08 80.61 Average: 1 18.29 0.00 0.77 0.04 0.09 80.81 Average: 2 18.62 0.00 0.74 0.06 0.08 80.50 Average: 3 18.47 0.00 0.70 0.04 0.08 80.72