---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-37503 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 708 11635 3 3645 14938 Swap: 1023 1 1022 ---> 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:b2:2e:9c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.108/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79479sec preferred_lft 79479sec inet6 fe80::f816:3eff:feb2:2e9c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:3e:b7:70:71:1e 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::9c3e:b7ff:fe70:711e/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-37503) 03/25/26 _x86_64_ (4 CPU) 09:44:40 LINUX RESTART (4 CPU) 09:50:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:00:05 100.47 23.11 73.49 3.87 364.71 17760.42 10242.24 10:10:05 27.68 10.45 16.31 0.92 201.15 436.49 1198.73 10:20:05 5.95 0.22 5.46 0.27 13.11 180.23 831.33 10:30:05 7.46 0.02 7.07 0.36 0.76 220.97 1053.52 10:40:02 20.44 0.13 19.35 0.96 8.56 859.31 770.25 10:50:05 25.86 0.39 9.75 15.72 11.98 299.70 209167.01 11:00:00 5.53 0.01 5.34 0.19 0.52 152.75 75.42 11:10:00 8.34 0.01 7.96 0.36 1.36 266.17 190.29 11:20:05 6.35 0.00 6.18 0.16 0.13 176.39 79.22 11:30:05 10.18 0.46 9.36 0.36 14.55 569.93 301.37 Average: 21.83 3.48 16.02 2.33 61.69 2091.96 22513.91 09:50:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:00:05 172828 3565720 12365484 75.52 262984 3109788 13315712 76.43 2060548 13547444 184 10:10:05 4660428 7072248 8866248 54.15 262988 2207092 9618532 55.21 1839636 9362588 488 10:20:05 8442904 10872480 5066840 30.95 263812 2223836 5794604 33.26 1851204 5579012 276 10:30:05 7127144 9574460 6366620 38.88 264908 2240524 7104228 40.78 1856148 6905312 372 10:40:02 12710004 15322940 621104 3.79 270660 2400448 1354324 7.77 1897384 1300500 11792 10:50:05 8822964 11474028 4467936 27.29 274340 2434904 5233256 30.04 1908440 5155932 296 11:00:00 8816676 11486616 4455524 27.21 274968 2453184 5188564 29.78 1909840 5160444 92 11:10:00 7300660 10009448 5932084 36.23 276068 2490900 6728248 38.62 1915284 6659156 160 11:20:05 8819820 11552332 4389952 26.81 277028 2513668 5185496 29.76 1917840 5152228 260 11:30:05 8410040 11272244 4669792 28.52 281068 2638792 5327804 30.58 1934392 5538124 340 Average: 7528347 10220252 5720158 34.94 270882 2471314 6485077 37.22 1909072 6436074 1426 09:50:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:00:05 lo 18.51 18.51 16.25 16.25 0.00 0.00 0.00 0.00 10:00:05 ens3 43.27 31.71 645.27 3.46 0.00 0.00 0.00 0.00 10:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:05 lo 39.45 39.45 16.77 16.77 0.00 0.00 0.00 0.00 10:10:05 ens3 2.21 1.79 0.43 1.56 0.00 0.00 0.00 0.00 10:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:05 lo 19.02 19.02 7.14 7.14 0.00 0.00 0.00 0.00 10:20:05 ens3 1.46 0.61 0.33 0.20 0.00 0.00 0.00 0.00 10:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:05 lo 11.68 11.68 6.76 6.76 0.00 0.00 0.00 0.00 10:30:05 ens3 1.35 0.42 0.27 0.15 0.00 0.00 0.00 0.00 10:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:02 lo 12.51 12.51 6.42 6.42 0.00 0.00 0.00 0.00 10:40:02 ens3 1.16 1.03 0.27 0.23 0.00 0.00 0.00 0.00 10:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:05 lo 19.57 19.57 10.23 10.23 0.00 0.00 0.00 0.00 10:50:05 ens3 1.33 0.69 0.28 0.18 0.00 0.00 0.00 0.00 10:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:00 lo 26.88 26.88 9.65 9.65 0.00 0.00 0.00 0.00 11:00:00 ens3 0.99 0.49 0.24 0.16 0.00 0.00 0.00 0.00 11:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:00 lo 21.09 21.09 11.52 11.52 0.00 0.00 0.00 0.00 11:10:00 ens3 1.10 0.73 0.25 0.18 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 11:20:05 lo 17.18 17.18 9.76 9.76 0.00 0.00 0.00 0.00 11:20:05 ens3 1.14 0.55 0.23 0.15 0.00 0.00 0.00 0.00 11:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:05 lo 13.63 13.63 7.18 7.18 0.00 0.00 0.00 0.00 11:30:05 ens3 1.23 0.77 0.34 0.25 0.00 0.00 0.00 0.00 11:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 19.95 19.95 10.17 10.17 0.00 0.00 0.00 0.00 Average: ens3 5.52 3.88 64.79 0.65 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-37503) 03/25/26 _x86_64_ (4 CPU) 09:44:40 LINUX RESTART (4 CPU) 09:50:05 CPU %user %nice %system %iowait %steal %idle 10:00:05 all 54.65 0.00 2.29 0.39 0.11 42.58 10:00:05 0 54.76 0.00 2.05 0.29 0.10 42.80 10:00:05 1 54.35 0.00 2.30 0.39 0.11 42.85 10:00:05 2 54.20 0.00 2.10 0.37 0.11 43.22 10:00:05 3 55.28 0.00 2.68 0.49 0.11 41.43 10:10:05 all 34.94 0.00 1.50 0.14 0.10 63.31 10:10:05 0 34.64 0.00 1.45 0.19 0.10 63.62 10:10:05 1 35.03 0.00 1.51 0.15 0.11 63.20 10:10:05 2 34.32 0.00 1.49 0.08 0.10 64.01 10:10:05 3 35.79 0.00 1.56 0.15 0.10 62.39 10:20:05 all 10.10 0.00 0.58 0.03 0.07 89.22 10:20:05 0 9.13 0.00 0.56 0.01 0.07 90.23 10:20:05 1 10.18 0.00 0.60 0.04 0.08 89.10 10:20:05 2 10.35 0.00 0.55 0.02 0.07 89.01 10:20:05 3 10.73 0.00 0.60 0.06 0.07 88.53 10:30:05 all 16.95 0.00 0.72 0.03 0.07 82.23 10:30:05 0 16.98 0.00 0.78 0.02 0.07 82.15 10:30:05 1 16.60 0.00 0.78 0.04 0.07 82.50 10:30:05 2 17.18 0.00 0.66 0.01 0.07 82.07 10:30:05 3 17.03 0.00 0.67 0.05 0.07 82.18 10:40:02 all 30.00 0.00 1.08 0.08 0.09 68.75 10:40:02 0 29.59 0.00 0.90 0.06 0.09 69.36 10:40:02 1 30.95 0.00 1.20 0.06 0.09 67.71 10:40:02 2 30.03 0.00 1.10 0.09 0.09 68.69 10:40:02 3 29.41 0.00 1.12 0.13 0.09 69.25 10:50:05 all 17.71 0.00 0.63 0.05 0.08 81.54 10:50:05 0 17.70 0.00 0.51 0.02 0.07 81.70 10:50:05 1 17.62 0.00 0.81 0.10 0.07 81.40 10:50:05 2 17.66 0.00 0.61 0.05 0.07 81.61 10:50:05 3 17.85 0.00 0.59 0.04 0.08 81.43 11:00:00 all 8.32 0.00 0.48 0.02 0.08 91.10 11:00:00 0 8.40 0.00 0.40 0.01 0.07 91.12 11:00:00 1 7.97 0.00 0.57 0.02 0.08 91.36 11:00:00 2 8.68 0.00 0.44 0.04 0.08 90.76 11:00:00 3 8.24 0.00 0.50 0.01 0.08 91.17 11:10:00 all 16.66 0.00 0.64 0.03 0.08 82.58 11:10:00 0 17.02 0.00 0.60 0.02 0.07 82.29 11:10:00 1 16.72 0.00 0.67 0.07 0.08 82.45 11:10:00 2 15.83 0.00 0.60 0.03 0.09 83.46 11:10:00 3 17.08 0.00 0.68 0.03 0.08 82.13 11:20:05 all 8.36 0.00 0.42 0.02 0.08 91.12 11:20:05 0 8.04 0.00 0.41 0.04 0.07 91.44 11:20:05 1 8.33 0.00 0.43 0.01 0.08 91.14 11:20:05 2 8.98 0.00 0.44 0.01 0.08 90.50 11:20:05 3 8.10 0.00 0.42 0.02 0.07 91.38 11:30:05 all 13.53 0.00 0.57 0.03 0.07 85.80 11:30:05 0 13.00 0.00 0.56 0.05 0.07 86.31 11:30:05 1 12.98 0.00 0.58 0.01 0.07 86.35 11:30:05 2 13.76 0.00 0.58 0.01 0.08 85.58 11:30:05 3 14.39 0.00 0.55 0.05 0.07 84.95 Average: all 21.12 0.00 0.89 0.08 0.08 77.83 Average: 0 20.92 0.00 0.82 0.07 0.08 78.11 Average: 1 21.07 0.00 0.94 0.09 0.09 77.81 Average: 2 21.09 0.00 0.86 0.07 0.08 77.90 Average: 3 21.38 0.00 0.94 0.10 0.08 77.49