---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-20264 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 61G 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 12380 4 2911 14948 Swap: 1023 19 1004 ---> 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:c8:63:2e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.73/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80195sec preferred_lft 80195sec inet6 fe80::f816:3eff:fec8:632e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:41:7c:ce:54:5e 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::a841:7cff:fece:545e/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-20264) 05/26/26 _x86_64_ (4 CPU) 06:40:12 LINUX RESTART (4 CPU) 06:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:00:01 61.33 13.18 46.09 2.05 874.93 4801.34 1994.93 07:10:13 26.45 6.04 19.40 1.00 112.49 763.35 905.48 07:20:13 20.34 2.03 17.56 0.75 39.12 422.58 661.51 07:30:01 5.39 0.02 5.19 0.19 0.75 116.94 42.04 07:40:13 7.19 0.11 6.75 0.33 2.79 197.02 122.99 07:50:13 2.59 0.08 2.51 0.01 2.36 41.59 0.05 08:00:01 5.51 0.03 5.31 0.18 1.24 138.96 89.99 08:10:08 11.19 0.07 10.59 0.54 1.54 614.43 174.37 08:20:00 4.97 0.10 4.67 0.20 2.65 145.41 58.00 Average: 16.18 2.42 13.17 0.59 115.78 807.93 452.50 06:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:00:01 1499320 3330348 12607276 77.00 269120 1674992 13716564 78.73 1127576 13295176 544 07:10:13 10521968 12503788 3440740 21.01 274384 1818120 4904616 28.15 1252584 4183392 4692 07:20:13 9501384 11526180 4417800 26.98 277328 1858176 5249712 30.13 1269984 5158368 136 07:30:01 9292116 11327616 4616240 28.19 278200 1868004 5430364 31.17 1271588 5384920 180 07:40:13 7972552 10034292 5908900 36.09 279036 1893376 6717208 38.56 1275316 6689660 220 07:50:13 7795928 9859996 6082928 37.15 279388 1895356 6824980 39.18 1276392 6870272 64 08:00:01 7909504 9989944 5953196 36.36 279952 1911152 6752604 38.76 1280104 6756756 168 08:10:08 9121812 11337672 4606340 28.13 283836 2037160 5287344 30.35 1296976 5522580 212 08:20:00 8387908 10625852 5317752 32.48 284376 2058656 6081916 34.91 1308684 6233732 340 Average: 8000277 10059521 5883464 35.93 278402 1890555 6773923 38.88 1262134 6677206 728 06:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:00:01 lo 36.31 36.31 23.56 23.56 0.00 0.00 0.00 0.00 07:00:01 ens3 1.91 1.69 0.47 0.40 0.00 0.00 0.00 0.00 07:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:13 lo 37.97 37.97 15.82 15.82 0.00 0.00 0.00 0.00 07:10:13 ens3 1.43 1.20 0.35 0.33 0.00 0.00 0.00 0.00 07:10:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:13 lo 14.89 14.89 8.12 8.12 0.00 0.00 0.00 0.00 07:20:13 ens3 1.36 1.57 0.23 1.21 0.00 0.00 0.00 0.00 07:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:01 lo 19.15 19.15 9.17 9.17 0.00 0.00 0.00 0.00 07:30:01 ens3 0.66 0.54 0.14 0.11 0.00 0.00 0.00 0.00 07:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:13 lo 29.12 29.12 11.51 11.51 0.00 0.00 0.00 0.00 07:40:13 ens3 0.85 0.52 0.22 0.15 0.00 0.00 0.00 0.00 07:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:13 lo 11.90 11.90 5.09 5.09 0.00 0.00 0.00 0.00 07:50:13 ens3 0.75 0.49 0.23 0.17 0.00 0.00 0.00 0.00 07:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:01 lo 14.25 14.25 8.99 8.99 0.00 0.00 0.00 0.00 08:00:01 ens3 0.73 0.55 0.18 0.14 0.00 0.00 0.00 0.00 08:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:08 lo 18.80 18.80 10.26 10.26 0.00 0.00 0.00 0.00 08:10:08 ens3 1.06 0.83 0.30 0.24 0.00 0.00 0.00 0.00 08:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:00 lo 17.33 17.33 7.03 7.03 0.00 0.00 0.00 0.00 08:20:00 ens3 1.09 0.58 0.31 0.22 0.00 0.00 0.00 0.00 08:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 22.27 22.27 11.09 11.09 0.00 0.00 0.00 0.00 Average: ens3 1.09 0.89 0.27 0.33 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-20264) 05/26/26 _x86_64_ (4 CPU) 06:40:12 LINUX RESTART (4 CPU) 06:50:00 CPU %user %nice %system %iowait %steal %idle 07:00:01 all 57.05 0.00 2.22 0.19 0.12 40.42 07:00:01 0 57.25 0.00 2.12 0.33 0.12 40.18 07:00:01 1 55.92 0.00 2.42 0.16 0.12 41.38 07:00:01 2 57.16 0.00 2.20 0.08 0.12 40.44 07:00:01 3 57.89 0.00 2.13 0.19 0.12 39.67 07:10:13 all 37.35 0.00 1.48 0.09 0.11 60.97 07:10:13 0 36.75 0.00 1.46 0.13 0.11 61.55 07:10:13 1 37.26 0.00 1.44 0.10 0.11 61.10 07:10:13 2 37.94 0.00 1.53 0.08 0.11 60.33 07:10:13 3 37.44 0.00 1.48 0.06 0.11 60.91 07:20:13 all 27.12 0.00 0.86 0.07 0.08 71.87 07:20:13 0 26.83 0.00 0.89 0.04 0.08 72.16 07:20:13 1 26.73 0.00 0.88 0.06 0.08 72.25 07:20:13 2 27.46 0.00 0.90 0.14 0.08 71.43 07:20:13 3 27.45 0.00 0.76 0.06 0.08 71.65 07:30:01 all 8.77 0.00 0.39 0.03 0.06 90.76 07:30:01 0 8.51 0.00 0.31 0.06 0.05 91.07 07:30:01 1 9.11 0.00 0.45 0.02 0.06 90.35 07:30:01 2 8.87 0.00 0.40 0.01 0.06 90.65 07:30:01 3 8.57 0.00 0.39 0.03 0.06 90.95 07:40:13 all 16.02 0.00 0.61 0.03 0.07 83.27 07:40:13 0 16.22 0.00 0.51 0.01 0.07 83.20 07:40:13 1 15.97 0.00 0.65 0.03 0.08 83.27 07:40:13 2 15.80 0.00 0.64 0.01 0.08 83.48 07:40:13 3 16.11 0.00 0.65 0.06 0.07 83.12 07:50:13 all 2.07 0.00 0.16 0.02 0.06 97.69 07:50:13 0 2.02 0.00 0.15 0.01 0.05 97.77 07:50:13 1 2.02 0.00 0.19 0.03 0.07 97.69 07:50:13 2 1.91 0.00 0.18 0.01 0.07 97.83 07:50:13 3 2.32 0.00 0.14 0.02 0.05 97.49 08:00:01 all 10.01 0.00 0.39 0.02 0.06 89.51 08:00:01 0 9.46 0.00 0.37 0.01 0.06 90.10 08:00:01 1 10.55 0.00 0.31 0.02 0.07 89.04 08:00:01 2 9.80 0.00 0.41 0.03 0.06 89.70 08:00:01 3 10.24 0.00 0.49 0.02 0.06 89.19 08:10:08 all 20.20 0.00 0.78 0.06 0.08 78.89 08:10:08 0 19.89 0.00 0.79 0.04 0.08 79.21 08:10:08 1 20.35 0.00 0.75 0.05 0.08 78.77 08:10:08 2 20.28 0.00 0.81 0.07 0.08 78.77 08:10:08 3 20.27 0.00 0.78 0.06 0.07 78.81 08:20:00 all 9.60 0.00 0.53 0.02 0.07 89.79 08:20:00 0 9.72 0.00 0.59 0.00 0.06 89.63 08:20:00 1 9.96 0.00 0.52 0.03 0.07 89.42 08:20:00 2 9.16 0.00 0.54 0.02 0.07 90.21 08:20:00 3 9.57 0.00 0.46 0.02 0.06 89.88 Average: all 21.01 0.00 0.83 0.06 0.08 78.03 Average: 0 20.83 0.00 0.80 0.07 0.08 78.22 Average: 1 20.98 0.00 0.85 0.06 0.08 78.03 Average: 2 21.04 0.00 0.85 0.05 0.08 77.98 Average: 3 21.19 0.00 0.81 0.06 0.08 77.86