---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-66709 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 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 700 11346 3 3942 14946 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:50:83:3a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.95/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79732sec preferred_lft 79732sec inet6 fe80::f816:3eff:fe50:833a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:12:c4:14:38:82 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::ec12:c4ff:fe14:3882/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-66709) 04/05/26 _x86_64_ (4 CPU) 07:43:17 LINUX RESTART (4 CPU) 07:50:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:00:01 79.35 22.99 53.23 3.12 333.42 5556.36 4339.36 08:10:10 18.09 4.85 12.44 0.80 100.16 359.41 1380.65 08:20:11 7.48 0.14 6.91 0.43 9.30 244.19 464.69 08:30:00 8.96 0.23 8.37 0.36 6.06 486.86 510.81 08:40:19 17.60 0.03 16.77 0.80 1.56 549.68 312.76 08:50:18 4.80 0.01 4.63 0.17 0.48 128.81 55.38 09:00:11 7.43 0.05 7.03 0.36 2.97 241.64 110.47 09:10:12 4.90 0.01 4.67 0.21 0.93 152.20 60.61 09:20:06 8.13 0.03 7.75 0.35 3.62 547.97 118.55 09:30:11 23.28 0.03 7.61 15.64 0.87 297.68 207097.63 Average: 17.87 2.78 12.85 2.23 45.18 842.42 21623.80 07:50:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:00:01 3607420 7150216 8781472 53.63 269528 3237172 10275136 58.98 2244304 9920932 3376 08:10:10 4433416 7177460 8759968 53.50 269348 2512516 9538440 54.75 2189760 9218084 444 08:20:11 7055388 9821872 6117932 37.37 270500 2533788 6910560 39.67 2196984 6602348 116 08:30:00 12454616 15328496 614264 3.75 274936 2636724 1361180 7.81 2232228 1191600 10020 08:40:19 8606060 11552060 4388812 26.81 277780 2706004 5197080 29.83 2239316 5030680 276 08:50:18 12332432 15307516 635280 3.88 278248 2734620 1361024 7.81 2240760 1284696 14068 09:00:11 7022816 10020284 5919728 36.16 278992 2756260 6736468 38.67 2243616 6592416 540 09:10:12 7023008 10042264 5897604 36.02 279676 2777360 6691468 38.41 2247176 6587900 348 09:20:06 8916800 12060168 3880828 23.70 283728 2896172 5015388 28.79 2254924 4700544 1044 09:30:11 7598576 10796252 5144220 31.42 285180 2948652 5920612 33.98 2279004 5990060 380 Average: 7905053 10925659 5014011 30.62 276792 2773927 5900736 33.87 2236807 5711926 3061 07:50:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:00:01 lo 26.95 26.95 18.22 18.22 0.00 0.00 0.00 0.00 08:00:01 ens3 2.18 2.00 0.66 0.57 0.00 0.00 0.00 0.00 08:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:10 lo 43.85 43.85 18.93 18.93 0.00 0.00 0.00 0.00 08:10:10 ens3 1.78 1.42 0.40 1.17 0.00 0.00 0.00 0.00 08:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:11 lo 11.61 11.61 6.22 6.22 0.00 0.00 0.00 0.00 08:20:11 ens3 0.61 0.35 0.13 0.09 0.00 0.00 0.00 0.00 08:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:00 lo 8.83 8.83 4.11 4.11 0.00 0.00 0.00 0.00 08:30:00 ens3 0.69 0.51 0.19 0.14 0.00 0.00 0.00 0.00 08:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:19 lo 14.45 14.45 7.99 7.99 0.00 0.00 0.00 0.00 08:40:19 ens3 1.12 0.80 0.27 0.21 0.00 0.00 0.00 0.00 08:40:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:18 lo 18.75 18.75 8.98 8.98 0.00 0.00 0.00 0.00 08:50:18 ens3 0.70 0.61 0.14 0.12 0.00 0.00 0.00 0.00 08:50:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:11 lo 29.76 29.76 11.84 11.84 0.00 0.00 0.00 0.00 09:00:11 ens3 0.59 0.46 0.14 0.10 0.00 0.00 0.00 0.00 09:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:12 lo 19.33 19.33 10.15 10.15 0.00 0.00 0.00 0.00 09:10:12 ens3 0.66 0.54 0.14 0.11 0.00 0.00 0.00 0.00 09:10:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:06 lo 14.62 14.62 7.95 7.95 0.00 0.00 0.00 0.00 09:20:06 ens3 0.91 0.69 0.25 0.20 0.00 0.00 0.00 0.00 09:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:11 lo 24.94 24.94 12.22 12.22 0.00 0.00 0.00 0.00 09:30:11 ens3 0.87 0.71 0.18 0.14 0.00 0.00 0.00 0.00 09:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.33 21.33 10.66 10.66 0.00 0.00 0.00 0.00 Average: ens3 1.01 0.81 0.25 0.29 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-66709) 04/05/26 _x86_64_ (4 CPU) 07:43:17 LINUX RESTART (4 CPU) 07:50:19 CPU %user %nice %system %iowait %steal %idle 08:00:01 all 57.31 0.00 2.18 0.12 0.11 40.28 08:00:01 0 57.28 0.00 2.20 0.06 0.11 40.35 08:00:01 1 55.78 0.00 2.32 0.18 0.11 41.60 08:00:01 2 57.49 0.00 2.10 0.08 0.11 40.22 08:00:01 3 58.68 0.00 2.10 0.13 0.11 38.97 08:10:10 all 32.33 0.00 1.26 0.05 0.09 66.26 08:10:10 0 32.71 0.00 1.10 0.07 0.09 66.03 08:10:10 1 31.90 0.00 1.23 0.04 0.10 66.73 08:10:10 2 32.05 0.00 1.32 0.04 0.10 66.49 08:10:10 3 32.65 0.00 1.38 0.07 0.09 65.81 08:20:11 all 16.34 0.00 0.69 0.03 0.07 82.88 08:20:11 0 16.56 0.00 0.54 0.03 0.07 82.79 08:20:11 1 15.98 0.00 0.85 0.02 0.08 83.08 08:20:11 2 16.73 0.00 0.70 0.01 0.07 82.48 08:20:11 3 16.08 0.00 0.65 0.04 0.07 83.16 08:30:00 all 10.59 0.00 0.42 0.03 0.06 88.89 08:30:00 0 10.67 0.00 0.36 0.05 0.06 88.86 08:30:00 1 10.06 0.00 0.46 0.01 0.06 89.40 08:30:00 2 11.64 0.00 0.45 0.03 0.06 87.81 08:30:00 3 10.00 0.00 0.41 0.03 0.06 89.51 08:40:19 all 28.92 0.00 0.93 0.05 0.08 70.03 08:40:19 0 29.62 0.00 0.85 0.03 0.07 69.42 08:40:19 1 27.54 0.00 0.92 0.02 0.08 71.44 08:40:19 2 28.81 0.00 1.03 0.06 0.08 70.02 08:40:19 3 29.73 0.00 0.91 0.06 0.07 69.23 08:50:18 all 8.41 0.00 0.36 0.02 0.06 91.14 08:50:18 0 8.41 0.00 0.32 0.02 0.06 91.19 08:50:18 1 8.40 0.00 0.40 0.03 0.07 91.11 08:50:18 2 8.48 0.00 0.35 0.03 0.06 91.08 08:50:18 3 8.36 0.00 0.38 0.01 0.06 91.19 09:00:11 all 15.86 0.00 0.54 0.03 0.07 83.50 09:00:11 0 15.27 0.00 0.50 0.02 0.07 84.14 09:00:11 1 16.39 0.00 0.56 0.02 0.07 82.97 09:00:11 2 15.65 0.00 0.57 0.03 0.07 83.68 09:00:11 3 16.13 0.00 0.54 0.05 0.07 83.22 09:10:12 all 10.23 0.00 0.53 0.02 0.06 89.16 09:10:12 0 10.19 0.00 0.57 0.02 0.06 89.16 09:10:12 1 10.30 0.00 0.53 0.01 0.07 89.10 09:10:12 2 10.38 0.00 0.56 0.04 0.07 88.96 09:10:12 3 10.03 0.00 0.46 0.01 0.06 89.43 09:20:06 all 11.71 0.00 0.57 0.03 0.07 87.63 09:20:06 0 12.06 0.00 0.60 0.02 0.07 87.25 09:20:06 1 11.58 0.00 0.60 0.01 0.07 87.74 09:20:06 2 11.63 0.00 0.56 0.06 0.07 87.68 09:20:06 3 11.56 0.00 0.51 0.01 0.07 87.85 09:30:11 all 16.34 0.00 0.53 0.05 0.07 83.02 09:30:11 0 16.71 0.00 0.45 0.06 0.06 82.72 09:30:11 1 15.41 0.00 0.59 0.02 0.07 83.91 09:30:11 2 16.50 0.00 0.61 0.11 0.07 82.71 09:30:11 3 16.74 0.00 0.46 0.01 0.07 82.73 Average: all 20.77 0.00 0.80 0.04 0.07 78.31 Average: 0 20.92 0.00 0.75 0.04 0.07 78.22 Average: 1 20.30 0.00 0.84 0.04 0.08 78.75 Average: 2 20.90 0.00 0.82 0.05 0.08 78.15 Average: 3 20.97 0.00 0.78 0.04 0.07 78.14