---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-29996 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 722 10446 4 4819 14923 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:9a:b7:4e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.0/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80081sec preferred_lft 80081sec inet6 fe80::f816:3eff:fe9a:b74e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:dd:df:48:df:b8 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::4dd:dfff:fe48:dfb8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-29996) 03/25/26 _x86_64_ (4 CPU) 07:00:23 LINUX RESTART (4 CPU) 07:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:20:01 79.19 25.92 50.16 3.11 392.93 5435.69 3593.05 07:30:30 16.32 0.19 15.15 0.98 6.89 489.83 389.39 07:40:30 24.54 0.12 8.67 15.75 3.64 531.96 211644.77 07:50:01 19.16 0.04 18.26 0.87 2.53 588.23 629.06 08:00:30 7.72 0.01 7.39 0.33 0.48 212.76 98.63 08:10:30 7.88 0.01 7.47 0.39 1.24 247.53 329.75 08:20:01 5.20 0.01 4.98 0.21 0.45 159.97 69.05 08:30:30 5.19 0.02 5.01 0.16 1.11 156.69 60.05 08:40:17 10.12 0.05 9.66 0.41 4.72 594.35 207.65 Average: 19.39 2.91 14.02 2.46 45.69 929.23 24049.84 07:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:20:01 4211640 8052060 7879836 48.13 271276 3525640 9170408 52.64 2169220 9391648 4544 07:30:30 2619304 6276764 9655280 58.97 273196 3348812 10720036 61.53 2212396 10932972 192 07:40:30 8480928 12246580 3688896 22.53 277356 3449832 4475764 25.69 2249424 5065616 60 07:50:01 9092392 12938836 2997312 18.31 280416 3527504 3719908 21.35 2274284 4429612 168 08:00:30 7376108 11250988 4683992 28.61 281372 3554888 5410536 31.06 2276188 6134908 40 08:10:30 6115628 10026224 5908232 36.09 282124 3589772 6714756 38.54 2278908 7376132 280 08:20:01 6000256 9932928 6001396 36.65 282892 3611048 6756780 38.78 2282280 7505424 560 08:30:30 7492096 11448860 4486252 27.40 283656 3634348 5219204 29.96 2284848 6012340 172 08:40:17 7254260 11345288 4589276 28.03 287780 3758200 5178640 29.73 2300036 6226748 348 Average: 6515846 10390948 5543386 33.86 280008 3555560 6374004 36.59 2258620 7008378 707 07:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:20:01 lo 23.77 23.77 18.36 18.36 0.00 0.00 0.00 0.00 07:20:01 ens3 2.47 2.47 0.73 1.70 0.00 0.00 0.00 0.00 07:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:30 lo 48.07 48.07 19.97 19.97 0.00 0.00 0.00 0.00 07:30:30 ens3 1.78 1.63 0.38 0.32 0.00 0.00 0.00 0.00 07:30:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:30 lo 15.28 15.28 7.45 7.45 0.00 0.00 0.00 0.00 07:40:30 ens3 1.66 0.69 0.41 0.26 0.00 0.00 0.00 0.00 07:40:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:01 lo 13.32 13.32 7.56 7.56 0.00 0.00 0.00 0.00 07:50:01 ens3 1.42 0.75 0.26 0.17 0.00 0.00 0.00 0.00 07:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:30 lo 19.02 19.02 9.01 9.01 0.00 0.00 0.00 0.00 08:00:30 ens3 1.06 0.66 0.25 0.18 0.00 0.00 0.00 0.00 08:00:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:30 lo 28.93 28.93 11.50 11.50 0.00 0.00 0.00 0.00 08:10:30 ens3 0.86 0.47 0.19 0.13 0.00 0.00 0.00 0.00 08:10:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:01 lo 20.65 20.65 10.27 10.27 0.00 0.00 0.00 0.00 08:20:01 ens3 0.97 0.59 0.20 0.14 0.00 0.00 0.00 0.00 08:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:30 lo 15.98 15.98 8.94 8.94 0.00 0.00 0.00 0.00 08:30:30 ens3 0.86 0.54 0.20 0.14 0.00 0.00 0.00 0.00 08:30:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:17 lo 23.44 23.44 11.16 11.16 0.00 0.00 0.00 0.00 08:40:17 ens3 1.09 0.84 0.29 0.23 0.00 0.00 0.00 0.00 08:40:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 23.30 23.30 11.62 11.62 0.00 0.00 0.00 0.00 Average: ens3 1.35 0.96 0.32 0.36 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-29996) 03/25/26 _x86_64_ (4 CPU) 07:00:23 LINUX RESTART (4 CPU) 07:10:04 CPU %user %nice %system %iowait %steal %idle 07:20:01 all 60.12 0.00 2.29 0.17 0.11 37.32 07:20:01 0 60.52 0.00 2.38 0.18 0.12 36.80 07:20:01 1 59.11 0.00 2.42 0.13 0.11 38.23 07:20:01 2 59.39 0.00 2.27 0.26 0.12 37.96 07:20:01 3 61.45 0.00 2.06 0.10 0.11 36.28 07:30:30 all 36.24 0.00 1.50 0.04 0.11 62.12 07:30:30 0 35.55 0.00 1.42 0.05 0.11 62.88 07:30:30 1 36.63 0.00 1.44 0.02 0.11 61.80 07:30:30 2 36.26 0.00 1.60 0.02 0.11 62.02 07:30:30 3 36.50 0.00 1.54 0.07 0.11 61.78 07:40:30 all 15.56 0.00 0.76 0.05 0.08 83.55 07:40:30 0 15.72 0.00 0.76 0.04 0.08 83.40 07:40:30 1 15.01 0.00 0.72 0.08 0.08 84.10 07:40:30 2 15.74 0.00 0.84 0.04 0.10 83.29 07:40:30 3 15.76 0.00 0.71 0.05 0.08 83.40 07:50:01 all 29.72 0.00 0.92 0.05 0.09 69.22 07:50:01 0 30.09 0.00 0.91 0.05 0.09 68.86 07:50:01 1 28.37 0.00 0.90 0.05 0.09 70.59 07:50:01 2 29.97 0.00 0.98 0.02 0.09 68.94 07:50:01 3 30.43 0.00 0.90 0.09 0.08 68.49 08:00:30 all 13.16 0.00 0.50 0.03 0.08 86.24 08:00:30 0 13.01 0.00 0.47 0.02 0.08 86.42 08:00:30 1 12.97 0.00 0.46 0.05 0.08 86.45 08:00:30 2 13.42 0.00 0.53 0.02 0.08 85.95 08:00:30 3 13.23 0.00 0.53 0.02 0.08 86.14 08:10:30 all 15.41 0.00 0.61 0.03 0.08 83.87 08:10:30 0 15.43 0.00 0.54 0.01 0.09 83.92 08:10:30 1 15.51 0.00 0.64 0.04 0.08 83.73 08:10:30 2 15.05 0.00 0.61 0.02 0.09 84.22 08:10:30 3 15.65 0.00 0.62 0.04 0.08 83.61 08:20:01 all 10.70 0.00 0.43 0.02 0.08 88.77 08:20:01 0 10.33 0.00 0.42 0.03 0.08 89.13 08:20:01 1 10.36 0.00 0.36 0.00 0.08 89.20 08:20:01 2 11.18 0.00 0.46 0.04 0.08 88.24 08:20:01 3 10.93 0.00 0.46 0.01 0.09 88.52 08:30:30 all 7.92 0.00 0.42 0.02 0.08 91.56 08:30:30 0 7.58 0.00 0.40 0.01 0.08 91.93 08:30:30 1 8.09 0.00 0.39 0.04 0.09 91.40 08:30:30 2 7.80 0.00 0.45 0.02 0.09 91.65 08:30:30 3 8.20 0.00 0.44 0.02 0.08 91.27 08:40:17 all 14.41 0.00 0.52 0.04 0.08 84.95 08:40:17 0 14.22 0.00 0.49 0.03 0.08 85.17 08:40:17 1 14.31 0.00 0.48 0.03 0.08 85.09 08:40:17 2 14.56 0.00 0.56 0.04 0.09 84.75 08:40:17 3 14.54 0.00 0.55 0.04 0.08 84.79 Average: all 22.55 0.00 0.88 0.05 0.09 76.43 Average: 0 22.46 0.00 0.87 0.05 0.09 76.53 Average: 1 22.25 0.00 0.87 0.05 0.09 76.74 Average: 2 22.57 0.00 0.92 0.05 0.09 76.36 Average: 3 22.93 0.00 0.87 0.05 0.09 76.07