---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-40792 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 688 11014 3 4286 14958 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:31:73:4c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.30/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79697sec preferred_lft 79697sec inet6 fe80::f816:3eff:fe31:734c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:3b:24:9a:66: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-40792) 03/25/26 _x86_64_ (4 CPU) 10:14:33 LINUX RESTART (4 CPU) 10:20:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:30:17 94.86 22.10 69.49 3.27 346.96 12490.23 16272.60 10:40:00 22.21 2.06 19.00 1.15 40.65 527.96 1151.27 10:50:12 6.59 0.20 6.01 0.38 10.11 205.57 974.13 11:00:08 11.15 0.05 10.56 0.53 7.25 563.77 748.30 11:10:00 17.97 0.02 17.11 0.84 0.74 553.22 637.40 11:20:18 5.77 0.03 5.48 0.26 1.29 140.37 180.15 11:30:18 7.99 0.01 7.59 0.38 1.23 246.81 128.85 11:40:01 5.82 0.01 5.61 0.20 0.44 167.50 70.45 11:50:31 5.20 0.02 5.07 0.11 0.62 152.48 48.23 12:00:31 9.45 0.03 9.01 0.41 3.88 578.17 90.24 Average: 18.75 2.48 15.51 0.75 41.70 1578.06 2050.17 10:20:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:30:17 271320 3518180 12413944 75.82 263228 2974672 13278120 76.22 1960812 13564636 984 10:40:00 4874364 7980512 7954944 48.59 265496 2836412 9225848 52.96 1999444 8941652 1124 10:50:12 12191828 15320756 619588 3.78 266608 2857912 1328988 7.63 2007436 1613724 5556 11:00:08 9912340 13140804 2799028 17.10 271200 2952768 3590488 20.61 2035716 3883172 392 11:10:00 10718248 14023540 1916556 11.71 274044 3026864 2822236 16.20 2052028 3069084 648 11:20:18 8000880 11321956 4616824 28.20 274932 3041768 5353548 30.73 2053916 5772892 212 11:30:18 6795668 10151976 5785956 35.34 275948 3075984 6598880 37.88 2057280 6958456 300 11:40:01 6693516 10071772 5866024 35.83 276524 3097360 6647284 38.16 2060712 7060248 324 11:50:31 7983832 11384896 4553744 27.81 277232 3119448 5273092 30.27 2063216 5781992 80 12:00:31 7669888 11199352 4739016 28.94 281368 3242144 5290756 30.37 2078836 6078064 92 Average: 7511188 10811374 5126562 31.31 272658 3022533 5940924 34.10 2036940 6272392 971 10:20:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:30:17 lo 17.74 17.74 15.42 15.42 0.00 0.00 0.00 0.00 10:30:17 ens3 9.44 5.45 177.37 0.86 0.00 0.00 0.00 0.00 10:30:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:00 lo 43.05 43.05 18.25 18.25 0.00 0.00 0.00 0.00 10:40:00 ens3 1.70 1.83 0.32 0.30 0.00 0.00 0.00 0.00 10:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:12 lo 19.05 19.05 8.43 8.43 0.00 0.00 0.00 0.00 10:50:12 ens3 1.35 0.80 0.27 1.22 0.00 0.00 0.00 0.00 10:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:08 lo 12.30 12.30 6.43 6.43 0.00 0.00 0.00 0.00 11:00:08 ens3 1.10 0.62 0.31 0.22 0.00 0.00 0.00 0.00 11:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:00 lo 12.17 12.17 6.93 6.93 0.00 0.00 0.00 0.00 11:10:00 ens3 1.22 0.77 0.26 0.19 0.00 0.00 0.00 0.00 11:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:18 lo 19.58 19.58 9.36 9.36 0.00 0.00 0.00 0.00 11:20:18 ens3 1.24 0.69 0.25 0.17 0.00 0.00 0.00 0.00 11:20:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:18 lo 28.53 28.53 11.15 11.15 0.00 0.00 0.00 0.00 11:30:18 ens3 0.95 0.52 0.23 0.15 0.00 0.00 0.00 0.00 11:30:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:01 lo 21.65 21.65 10.80 10.80 0.00 0.00 0.00 0.00 11:40:01 ens3 1.22 0.73 0.26 0.17 0.00 0.00 0.00 0.00 11:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:31 lo 14.91 14.91 8.34 8.34 0.00 0.00 0.00 0.00 11:50:31 ens3 1.34 0.59 0.30 0.19 0.00 0.00 0.00 0.00 11:50:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:31 lo 23.25 23.25 10.93 10.93 0.00 0.00 0.00 0.00 12:00:31 ens3 1.85 0.96 0.41 0.28 0.00 0.00 0.00 0.00 12:00:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.13 21.13 10.58 10.58 0.00 0.00 0.00 0.00 Average: ens3 2.15 1.30 18.26 0.38 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-40792) 03/25/26 _x86_64_ (4 CPU) 10:14:33 LINUX RESTART (4 CPU) 10:20:06 CPU %user %nice %system %iowait %steal %idle 10:30:17 all 55.94 0.00 2.38 0.89 0.29 40.49 10:30:17 0 55.50 0.00 2.11 0.40 0.30 41.69 10:30:17 1 54.99 0.00 2.54 0.94 0.16 41.38 10:30:17 2 57.37 0.00 2.44 1.05 0.39 38.76 10:30:17 3 55.92 0.00 2.45 1.16 0.33 40.14 10:40:00 all 44.46 0.00 1.94 0.19 0.21 53.19 10:40:00 0 44.61 0.00 1.76 0.07 0.24 53.31 10:40:00 1 44.82 0.00 1.80 0.19 0.18 53.00 10:40:00 2 44.91 0.00 1.82 0.46 0.23 52.59 10:40:00 3 43.51 0.00 2.38 0.03 0.21 53.87 10:50:12 all 12.59 0.00 0.65 0.19 0.14 86.43 10:50:12 0 12.25 0.00 0.62 0.19 0.11 86.82 10:50:12 1 12.59 0.00 0.76 0.11 0.20 86.34 10:50:12 2 13.15 0.00 0.68 0.27 0.14 85.76 10:50:12 3 12.37 0.00 0.52 0.19 0.12 86.79 11:00:08 all 20.42 0.00 0.78 0.10 0.09 78.61 11:00:08 0 20.96 0.00 0.78 0.17 0.08 78.01 11:00:08 1 19.98 0.00 0.71 0.04 0.10 79.16 11:00:08 2 19.88 0.00 0.75 0.07 0.09 79.21 11:00:08 3 20.84 0.00 0.89 0.12 0.09 78.07 11:10:00 all 29.89 0.00 0.97 0.07 0.11 68.95 11:10:00 0 29.42 0.00 0.90 0.07 0.11 69.50 11:10:00 1 30.19 0.00 1.02 0.03 0.11 68.65 11:10:00 2 29.13 0.00 1.00 0.06 0.11 69.71 11:10:00 3 30.84 0.00 0.98 0.11 0.11 67.96 11:20:18 all 12.56 0.00 0.59 0.10 0.25 86.50 11:20:18 0 12.10 0.00 0.59 0.05 0.23 87.03 11:20:18 1 12.78 0.00 0.55 0.01 0.14 86.51 11:20:18 2 12.78 0.00 0.60 0.02 0.29 86.31 11:20:18 3 12.58 0.00 0.63 0.31 0.35 86.13 11:30:18 all 16.79 0.00 0.75 0.03 0.07 82.36 11:30:18 0 16.80 0.00 0.68 0.05 0.07 82.41 11:30:18 1 16.30 0.00 0.80 0.01 0.07 82.82 11:30:18 2 17.06 0.00 0.85 0.03 0.08 81.98 11:30:18 3 16.98 0.00 0.68 0.02 0.08 82.23 11:40:01 all 12.15 0.00 0.59 0.02 0.07 87.16 11:40:01 0 11.75 0.00 0.53 0.03 0.07 87.63 11:40:01 1 12.46 0.00 0.65 0.03 0.07 86.78 11:40:01 2 11.94 0.00 0.63 0.03 0.08 87.32 11:40:01 3 12.47 0.00 0.53 0.01 0.07 86.92 11:50:31 all 8.70 0.00 0.49 0.29 0.06 90.45 11:50:31 0 8.19 0.00 0.47 0.51 0.05 90.78 11:50:31 1 9.33 0.00 0.57 0.11 0.06 89.93 11:50:31 2 8.64 0.00 0.44 0.26 0.07 90.59 11:50:31 3 8.64 0.00 0.50 0.30 0.06 90.50 12:00:31 all 16.28 0.00 0.66 0.22 0.22 82.62 12:00:31 0 15.58 0.00 0.66 0.15 0.14 83.46 12:00:31 1 16.39 0.00 0.66 0.31 0.17 82.47 12:00:31 2 16.49 0.00 0.62 0.36 0.42 82.11 12:00:31 3 16.67 0.00 0.71 0.04 0.14 82.43 Average: all 22.84 0.00 0.98 0.21 0.15 75.81 Average: 0 22.58 0.00 0.91 0.17 0.14 76.21 Average: 1 22.84 0.00 1.00 0.18 0.12 75.85 Average: 2 23.01 0.00 0.98 0.26 0.19 75.56 Average: 3 22.95 0.00 1.02 0.23 0.16 75.64