---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-5980 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 698 10079 3 5210 14948 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:41:d4:4c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.63/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79617sec preferred_lft 79617sec inet6 fe80::f816:3eff:fe41:d44c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:b8:4c:92:fb:8a 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::ccb8:4cff:fe92:fb8a/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-5980) 03/19/26 _x86_64_ (4 CPU) 09:23:56 LINUX RESTART (4 CPU) 09:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:40:13 90.55 24.04 63.45 3.06 368.76 10949.16 3392.40 09:50:03 20.21 0.15 19.05 1.02 6.19 465.74 631.67 10:00:03 22.70 0.09 7.05 15.56 2.89 257.93 211547.32 10:10:04 19.04 0.03 18.20 0.81 0.73 826.34 548.97 10:20:04 8.37 0.04 8.01 0.32 1.68 264.21 353.72 10:30:05 5.30 0.01 5.12 0.17 0.49 142.07 189.06 10:40:05 4.64 0.01 4.45 0.19 1.05 145.95 81.59 10:50:05 5.15 0.01 4.96 0.19 0.83 152.90 111.28 11:00:06 11.64 0.03 11.03 0.57 3.98 687.08 284.48 11:10:06 5.33 0.02 5.13 0.18 0.60 178.78 102.34 Average: 19.42 2.49 14.73 2.21 39.40 1426.59 21726.46 09:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:40:13 4421272 8462492 7468888 45.62 266636 3715416 9419748 54.07 2279228 9050704 1176 09:50:03 2949820 7017524 8912880 54.44 269916 3738492 9679804 55.56 2331504 10455620 476 10:00:03 5595860 9694612 6235636 38.08 273136 3766304 7045356 40.44 2345040 7812196 272 10:10:04 9379224 13629820 2305128 14.08 278432 3908520 3087168 17.72 2383872 4004692 304 10:20:04 7191524 11481196 4452512 27.19 279564 3946352 5257524 30.18 2386744 6182668 428 10:30:05 7089812 11397108 4536564 27.71 280304 3963192 5330424 30.60 2388232 6282468 316 10:40:05 5443520 9771764 6161076 37.63 280816 3983552 6896592 39.59 2390140 7915388 424 10:50:05 5613040 9962612 5970108 36.46 281468 4004192 6789672 38.97 2393632 7744560 280 11:00:06 6847840 11350240 4583008 27.99 286004 4146132 5310096 30.48 2410044 6493452 240 11:10:06 6028612 10558912 5373720 32.82 286572 4173368 6031372 34.62 2421008 7290508 308 Average: 6056052 10332628 5599952 34.20 278285 3934552 6484776 37.22 2372944 7323226 422 09:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:40:13 lo 17.85 17.85 15.35 15.35 0.00 0.00 0.00 0.00 09:40:13 ens3 3.41 1.78 0.92 0.66 0.00 0.00 0.00 0.00 09:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:03 lo 45.80 45.80 20.73 20.73 0.00 0.00 0.00 0.00 09:50:03 ens3 2.34 2.19 0.38 1.59 0.00 0.00 0.00 0.00 09:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:03 lo 22.91 22.91 10.24 10.24 0.00 0.00 0.00 0.00 10:00:03 ens3 0.62 0.44 0.13 0.10 0.00 0.00 0.00 0.00 10:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:04 lo 12.89 12.89 6.43 6.43 0.00 0.00 0.00 0.00 10:10:04 ens3 0.95 0.85 0.25 0.20 0.00 0.00 0.00 0.00 10:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:04 lo 15.24 15.24 7.93 7.93 0.00 0.00 0.00 0.00 10:20:04 ens3 0.85 0.50 0.14 0.10 0.00 0.00 0.00 0.00 10:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:05 lo 20.41 20.41 8.59 8.59 0.00 0.00 0.00 0.00 10:30:05 ens3 1.20 0.64 0.35 0.24 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 10:40:05 lo 27.07 27.07 11.33 11.33 0.00 0.00 0.00 0.00 10:40:05 ens3 0.78 0.47 0.19 0.13 0.00 0.00 0.00 0.00 10:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:05 lo 17.32 17.32 10.18 10.18 0.00 0.00 0.00 0.00 10:50:05 ens3 0.72 0.59 0.18 0.14 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 11:00:06 lo 19.02 19.02 10.64 10.64 0.00 0.00 0.00 0.00 11:00:06 ens3 1.85 1.01 0.57 0.40 0.00 0.00 0.00 0.00 11:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:06 lo 32.84 32.84 12.81 12.81 0.00 0.00 0.00 0.00 11:10:06 ens3 1.46 0.64 0.25 0.17 0.00 0.00 0.00 0.00 11:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 23.09 23.09 11.41 11.41 0.00 0.00 0.00 0.00 Average: ens3 1.42 0.91 0.34 0.37 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-5980) 03/19/26 _x86_64_ (4 CPU) 09:23:56 LINUX RESTART (4 CPU) 09:30:01 CPU %user %nice %system %iowait %steal %idle 09:40:13 all 49.58 0.00 1.90 0.30 0.10 48.13 09:40:13 0 49.10 0.00 1.86 0.22 0.10 48.72 09:40:13 1 48.19 0.00 1.96 0.23 0.10 49.52 09:40:13 2 50.58 0.00 1.94 0.25 0.09 47.14 09:40:13 3 50.44 0.00 1.83 0.50 0.09 47.13 09:50:03 all 42.63 0.00 1.35 0.05 0.10 55.86 09:50:03 0 41.84 0.00 1.42 0.08 0.10 56.56 09:50:03 1 43.23 0.00 1.38 0.06 0.10 55.23 09:50:03 2 43.06 0.00 1.31 0.02 0.10 55.51 09:50:03 3 42.40 0.00 1.30 0.06 0.10 56.14 10:00:03 all 18.29 0.00 0.78 0.05 0.09 80.79 10:00:03 0 17.72 0.00 0.74 0.06 0.08 81.40 10:00:03 1 17.91 0.00 0.81 0.02 0.09 81.17 10:00:03 2 18.70 0.00 0.83 0.11 0.09 80.28 10:00:03 3 18.83 0.00 0.75 0.03 0.09 80.31 10:10:04 all 29.34 0.00 0.99 1.00 0.08 68.60 10:10:04 0 30.20 0.00 1.05 0.34 0.08 68.34 10:10:04 1 29.02 0.00 0.96 0.22 0.08 69.72 10:10:04 2 28.74 0.00 0.94 1.41 0.08 68.83 10:10:04 3 29.42 0.00 1.00 2.01 0.08 67.49 10:20:04 all 17.52 0.00 0.60 0.42 0.07 81.39 10:20:04 0 17.53 0.00 0.50 0.22 0.07 81.68 10:20:04 1 17.11 0.00 0.63 0.19 0.07 82.01 10:20:04 2 17.58 0.00 0.61 0.29 0.07 81.44 10:20:04 3 17.86 0.00 0.66 0.99 0.07 80.43 10:30:05 all 8.15 0.00 0.34 0.09 0.07 91.36 10:30:05 0 8.00 0.00 0.32 0.03 0.06 91.60 10:30:05 1 8.09 0.00 0.35 0.14 0.07 91.35 10:30:05 2 8.41 0.00 0.37 0.01 0.07 91.14 10:30:05 3 8.10 0.00 0.31 0.18 0.07 91.35 10:40:05 all 10.71 0.00 0.43 0.02 0.07 88.78 10:40:05 0 10.48 0.00 0.44 0.02 0.07 88.99 10:40:05 1 10.79 0.00 0.50 0.03 0.07 88.61 10:40:05 2 10.99 0.00 0.43 0.01 0.07 88.50 10:40:05 3 10.59 0.00 0.33 0.01 0.06 89.01 10:50:05 all 9.80 0.00 0.41 0.02 0.07 89.70 10:50:05 0 9.44 0.00 0.37 0.04 0.06 90.09 10:50:05 1 9.70 0.00 0.38 0.01 0.07 89.83 10:50:05 2 9.92 0.00 0.44 0.02 0.07 89.55 10:50:05 3 10.15 0.00 0.44 0.01 0.07 89.33 11:00:06 all 19.97 0.00 0.77 0.05 0.09 79.12 11:00:06 0 20.29 0.00 0.69 0.09 0.09 78.84 11:00:06 1 18.52 0.00 0.77 0.01 0.09 80.61 11:00:06 2 20.19 0.00 0.75 0.05 0.09 78.94 11:00:06 3 20.91 0.00 0.86 0.05 0.08 78.10 11:10:06 all 11.02 0.00 0.59 0.04 0.07 88.28 11:10:06 0 10.97 0.00 0.59 0.08 0.07 88.29 11:10:06 1 10.86 0.00 0.61 0.03 0.07 88.43 11:10:06 2 11.33 0.00 0.62 0.04 0.07 87.94 11:10:06 3 10.92 0.00 0.54 0.02 0.06 88.46 Average: all 21.71 0.00 0.82 0.20 0.08 77.19 Average: 0 21.56 0.00 0.80 0.12 0.08 77.45 Average: 1 21.35 0.00 0.84 0.09 0.08 77.64 Average: 2 21.95 0.00 0.82 0.22 0.08 76.92 Average: 3 21.97 0.00 0.80 0.39 0.08 76.76