---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-41919 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 693 10979 4 4317 14953 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:c6:0d:1e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.166/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79621sec preferred_lft 79621sec inet6 fe80::f816:3eff:fec6:d1e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:ed:e9:61:c9:8d 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::34ed:e9ff:fe61:c98d/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-41919) 03/25/26 _x86_64_ (4 CPU) 10:24:15 LINUX RESTART (4 CPU) 10:30:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:40:35 117.00 21.99 77.60 17.41 352.66 19831.03 214119.98 10:50:14 19.83 2.40 16.55 0.88 61.19 423.54 1063.57 11:00:04 9.69 0.20 8.98 0.51 12.18 324.85 1937.90 11:10:05 10.76 0.17 10.09 0.50 11.46 559.94 762.64 11:20:22 15.48 0.02 14.78 0.67 0.70 519.29 265.59 11:30:06 5.10 0.02 4.95 0.13 0.86 132.61 60.23 11:40:35 7.27 0.02 6.92 0.33 1.32 233.35 114.93 11:50:23 4.91 0.01 4.71 0.19 0.44 153.17 79.67 12:00:24 8.36 0.02 7.98 0.36 3.58 556.70 122.54 12:10:29 5.01 0.01 4.87 0.13 0.50 165.48 141.69 Average: 20.84 2.58 16.07 2.19 45.92 2384.49 22891.62 10:30:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:40:35 162440 3438056 12488088 76.27 272408 2991204 13472728 77.33 1999544 13621560 124 10:50:14 3972236 7078444 8854692 54.08 274732 2831868 9563200 54.89 2041656 9778212 316 11:00:04 11419072 14553852 1384996 8.46 275840 2859296 2162552 12.41 2056828 2368572 6672 11:10:05 11340808 14587736 1351496 8.25 280232 2966980 2106720 12.09 2096992 2407048 10600 11:20:22 8208836 11528152 4409324 26.93 282560 3037044 5189008 29.78 2102944 5512032 488 11:30:06 8070080 11405160 4532004 27.68 282964 3052400 5257784 30.18 2104272 5636928 308 11:40:35 6615060 9986472 5950044 36.34 283736 3087960 6697112 38.44 2107128 7101784 60 11:50:23 6650924 10044452 5892100 35.99 284304 3109508 6711732 38.53 2110516 7069304 368 12:00:24 7951432 11473468 4463956 27.26 288372 3231572 5207872 29.89 2119960 5733656 1652 12:10:29 7600640 11148136 4789056 29.25 288884 3256424 5374352 30.85 2128464 6097320 220 Average: 7199153 10524393 5411576 33.05 281403 3042426 6174306 35.44 2086830 6532642 2081 10:30:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:40:35 lo 19.47 19.47 16.18 16.18 0.00 0.00 0.00 0.00 10:40:35 ens3 37.23 27.56 612.54 3.05 0.00 0.00 0.00 0.00 10:40:35 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:14 lo 41.07 41.07 17.22 17.22 0.00 0.00 0.00 0.00 10:50:14 ens3 1.99 1.36 0.42 0.31 0.00 0.00 0.00 0.00 10:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:04 lo 19.39 19.39 8.58 8.58 0.00 0.00 0.00 0.00 11:00:04 ens3 1.23 0.85 0.28 1.25 0.00 0.00 0.00 0.00 11:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:05 lo 12.43 12.43 6.49 6.49 0.00 0.00 0.00 0.00 11:10:05 ens3 1.07 0.62 0.29 0.21 0.00 0.00 0.00 0.00 11:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:22 lo 14.47 14.47 7.93 7.93 0.00 0.00 0.00 0.00 11:20:22 ens3 1.36 0.79 0.27 0.18 0.00 0.00 0.00 0.00 11:20:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:06 lo 19.04 19.04 9.21 9.21 0.00 0.00 0.00 0.00 11:30:06 ens3 1.11 0.69 0.26 0.18 0.00 0.00 0.00 0.00 11:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:35 lo 28.39 28.39 11.23 11.23 0.00 0.00 0.00 0.00 11:40:35 ens3 1.15 0.53 0.24 0.15 0.00 0.00 0.00 0.00 11:40:35 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:23 lo 19.61 19.61 10.32 10.32 0.00 0.00 0.00 0.00 11:50:23 ens3 1.42 0.61 0.31 0.19 0.00 0.00 0.00 0.00 11:50:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:24 lo 17.27 17.27 10.35 10.35 0.00 0.00 0.00 0.00 12:00:24 ens3 1.68 0.79 0.38 0.24 0.00 0.00 0.00 0.00 12:00:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:29 lo 19.88 19.88 8.31 8.31 0.00 0.00 0.00 0.00 12:10:29 ens3 1.58 0.72 0.38 0.25 0.00 0.00 0.00 0.00 12:10:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.05 21.05 10.59 10.59 0.00 0.00 0.00 0.00 Average: ens3 5.15 3.58 64.49 0.61 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-41919) 03/25/26 _x86_64_ (4 CPU) 10:24:15 LINUX RESTART (4 CPU) 10:30:03 CPU %user %nice %system %iowait %steal %idle 10:40:35 all 53.45 0.00 2.26 0.61 0.11 43.57 10:40:35 0 52.30 0.00 2.29 0.65 0.11 44.64 10:40:35 1 55.98 0.00 2.27 0.87 0.12 40.76 10:40:35 2 52.42 0.00 2.15 0.52 0.11 44.81 10:40:35 3 53.09 0.00 2.34 0.40 0.11 44.06 10:50:14 all 36.49 0.00 1.45 0.05 0.11 61.90 10:50:14 0 36.64 0.00 1.38 0.03 0.10 61.85 10:50:14 1 36.96 0.00 1.47 0.07 0.11 61.38 10:50:14 2 35.78 0.00 1.56 0.09 0.11 62.45 10:50:14 3 36.57 0.00 1.40 0.02 0.10 61.91 11:00:04 all 19.19 0.00 0.84 0.03 0.09 79.85 11:00:04 0 19.39 0.00 0.77 0.03 0.08 79.73 11:00:04 1 18.54 0.00 0.92 0.05 0.09 80.40 11:00:04 2 19.70 0.00 0.89 0.02 0.09 79.30 11:00:04 3 19.10 0.00 0.78 0.04 0.09 79.99 11:10:05 all 19.75 0.00 0.77 0.08 0.08 79.31 11:10:05 0 20.38 0.00 0.89 0.08 0.08 78.56 11:10:05 1 19.71 0.00 0.76 0.05 0.08 79.40 11:10:05 2 19.45 0.00 0.62 0.01 0.08 79.84 11:10:05 3 19.47 0.00 0.83 0.17 0.08 79.45 11:20:22 all 28.07 0.00 0.92 0.04 0.08 70.88 11:20:22 0 28.36 0.00 0.83 0.04 0.08 70.69 11:20:22 1 28.05 0.00 1.01 0.04 0.08 70.81 11:20:22 2 27.33 0.00 0.95 0.05 0.08 71.59 11:20:22 3 28.56 0.00 0.90 0.04 0.08 70.42 11:30:06 all 8.78 0.00 0.49 0.02 0.07 90.64 11:30:06 0 8.76 0.00 0.47 0.02 0.07 90.68 11:30:06 1 9.07 0.00 0.48 0.03 0.07 90.34 11:30:06 2 9.13 0.00 0.55 0.01 0.07 90.24 11:30:06 3 8.15 0.00 0.46 0.02 0.07 91.30 11:40:35 all 14.91 0.00 0.58 0.02 0.08 84.40 11:40:35 0 14.90 0.00 0.53 0.02 0.08 84.47 11:40:35 1 14.94 0.00 0.60 0.04 0.08 84.35 11:40:35 2 15.16 0.00 0.56 0.01 0.08 84.19 11:40:35 3 14.65 0.00 0.64 0.03 0.08 84.60 11:50:23 all 10.23 0.00 0.45 0.02 0.08 89.22 11:50:23 0 10.24 0.00 0.49 0.01 0.07 89.19 11:50:23 1 10.29 0.00 0.48 0.01 0.08 89.13 11:50:23 2 10.28 0.00 0.48 0.03 0.09 89.13 11:50:23 3 10.12 0.00 0.36 0.01 0.08 89.44 12:00:24 all 13.16 0.00 0.58 0.04 0.08 86.15 12:00:24 0 13.14 0.00 0.57 0.05 0.08 86.16 12:00:24 1 13.75 0.00 0.56 0.04 0.08 85.57 12:00:24 2 12.76 0.00 0.63 0.04 0.08 86.48 12:00:24 3 12.98 0.00 0.56 0.02 0.08 86.36 12:10:29 all 8.15 0.00 0.35 0.03 0.08 91.39 12:10:29 0 7.89 0.00 0.33 0.04 0.08 91.65 12:10:29 1 8.34 0.00 0.32 0.01 0.08 91.25 12:10:29 2 8.40 0.00 0.36 0.03 0.08 91.13 12:10:29 3 7.98 0.00 0.40 0.01 0.08 91.53 Average: all 21.36 0.00 0.88 0.10 0.09 77.59 Average: 0 21.33 0.00 0.86 0.10 0.08 77.63 Average: 1 21.72 0.00 0.89 0.13 0.09 77.18 Average: 2 21.17 0.00 0.88 0.08 0.09 77.79 Average: 3 21.21 0.00 0.87 0.08 0.08 77.75