---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-8259 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 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 710 11094 4 4185 14936 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:cb:66:36 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.196/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80044sec preferred_lft 80044sec inet6 fe80::f816:3eff:fecb:6636/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:de:d1:c4:d2:e6 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::f4de:d1ff:fec4:d2e6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-8259) 03/23/26 _x86_64_ (4 CPU) 07:11:45 LINUX RESTART (4 CPU) 07:20:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:30:10 92.57 22.71 66.59 3.28 346.94 12615.51 6566.31 07:40:10 21.91 2.12 18.73 1.06 45.13 531.87 714.08 07:50:10 10.63 0.11 10.02 0.50 5.75 547.03 1561.65 08:00:10 31.20 0.10 15.27 15.83 3.88 418.61 210942.77 08:10:10 5.70 0.00 5.52 0.17 0.27 125.57 245.39 08:20:10 5.65 0.02 5.45 0.18 1.20 135.99 81.39 08:30:01 7.51 0.01 7.16 0.34 1.44 228.55 170.43 08:40:10 4.73 0.00 4.57 0.16 0.13 139.69 69.97 08:50:10 9.46 0.04 9.03 0.39 4.09 554.85 271.65 Average: 21.11 2.81 15.86 2.43 45.75 1711.33 24494.24 07:20:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:30:10 168716 3689156 12239488 74.75 270408 3220804 13386884 76.84 2186204 13411948 392 07:40:10 3105648 6253680 9679704 59.12 272512 2875588 10837148 62.21 2236028 10464212 296 07:50:10 8245632 11495352 4441476 27.13 276760 2973104 5271520 30.26 2272964 5301876 240 08:00:10 8186068 11489516 4447100 27.16 279224 3024360 5228732 30.01 2285808 5347900 204 08:10:10 7918260 11233276 4703112 28.72 279900 3035252 5486232 31.49 2287012 5626432 40 08:20:10 12000424 15343452 594864 3.63 280556 3062612 1354772 7.78 2289888 1546740 13388 08:30:01 6664084 10024920 5911096 36.10 281292 3079696 6747520 38.73 2293516 6865456 212 08:40:10 7979680 11360364 4576320 27.95 281996 3098840 5374608 30.85 2295820 5559596 296 08:50:10 7619860 11124384 4812144 29.39 286124 3214272 5381992 30.89 2310864 5866920 344 Average: 6876486 10223789 5711700 34.88 278752 3064948 6563268 37.67 2273123 6665676 1712 07:20:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:30:10 lo 19.35 19.35 16.57 16.57 0.00 0.00 0.00 0.00 07:30:10 ens3 10.56 7.56 179.54 1.01 0.00 0.00 0.00 0.00 07:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:10 lo 43.96 43.96 18.31 18.31 0.00 0.00 0.00 0.00 07:40:10 ens3 1.76 1.47 0.35 1.00 0.00 0.00 0.00 0.00 07:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:10 lo 18.82 18.82 7.93 7.93 0.00 0.00 0.00 0.00 07:50:10 ens3 2.02 0.98 0.52 0.69 0.00 0.00 0.00 0.00 07:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:10 lo 13.35 13.35 7.28 7.28 0.00 0.00 0.00 0.00 08:00:10 ens3 1.29 0.70 0.30 0.20 0.00 0.00 0.00 0.00 08:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:10 lo 17.54 17.54 8.56 8.56 0.00 0.00 0.00 0.00 08:10:10 ens3 0.74 0.51 0.14 0.11 0.00 0.00 0.00 0.00 08:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:10 lo 24.48 24.48 8.21 8.21 0.00 0.00 0.00 0.00 08:20:10 ens3 0.97 0.34 0.17 0.08 0.00 0.00 0.00 0.00 08:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 lo 19.31 19.31 11.07 11.07 0.00 0.00 0.00 0.00 08:30:01 ens3 1.14 0.67 0.23 0.16 0.00 0.00 0.00 0.00 08:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:10 lo 17.62 17.62 9.89 9.89 0.00 0.00 0.00 0.00 08:40:10 ens3 0.86 0.56 0.20 0.14 0.00 0.00 0.00 0.00 08:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:10 lo 19.90 19.90 9.60 9.60 0.00 0.00 0.00 0.00 08:50:10 ens3 1.22 0.87 0.33 0.25 0.00 0.00 0.00 0.00 08:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.59 21.59 10.83 10.83 0.00 0.00 0.00 0.00 Average: ens3 2.29 1.52 20.37 0.40 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-8259) 03/23/26 _x86_64_ (4 CPU) 07:11:45 LINUX RESTART (4 CPU) 07:20:05 CPU %user %nice %system %iowait %steal %idle 07:30:10 all 55.46 0.00 2.29 0.18 0.11 41.97 07:30:10 0 53.89 0.00 2.22 0.07 0.11 43.72 07:30:10 1 55.24 0.00 2.52 0.19 0.11 41.94 07:30:10 2 54.12 0.00 2.07 0.33 0.11 43.37 07:30:10 3 58.57 0.00 2.36 0.12 0.11 38.83 07:40:10 all 43.75 0.00 1.74 0.10 0.12 54.29 07:40:10 0 43.39 0.00 1.69 0.05 0.12 54.76 07:40:10 1 44.49 0.00 1.84 0.06 0.12 53.49 07:40:10 2 44.01 0.00 1.66 0.21 0.13 53.99 07:40:10 3 43.13 0.00 1.78 0.07 0.12 54.90 07:50:10 all 17.47 0.00 0.80 0.04 0.08 81.61 07:50:10 0 17.36 0.00 0.69 0.02 0.07 81.86 07:50:10 1 18.08 0.00 0.85 0.05 0.08 80.94 07:50:10 2 17.32 0.00 0.85 0.08 0.08 81.67 07:50:10 3 17.11 0.00 0.80 0.03 0.08 81.99 08:00:10 all 24.94 0.00 0.80 0.07 0.08 74.12 08:00:10 0 24.99 0.00 0.83 0.05 0.07 74.05 08:00:10 1 24.70 0.00 0.78 0.10 0.08 74.33 08:00:10 2 24.83 0.00 0.82 0.05 0.08 74.22 08:00:10 3 25.21 0.00 0.75 0.07 0.08 73.89 08:10:10 all 8.02 0.00 0.34 0.03 0.07 91.55 08:10:10 0 8.31 0.00 0.39 0.05 0.06 91.19 08:10:10 1 8.06 0.00 0.32 0.02 0.07 91.53 08:10:10 2 7.51 0.00 0.32 0.03 0.07 92.07 08:10:10 3 8.20 0.00 0.32 0.02 0.07 91.39 08:20:10 all 8.41 0.00 0.48 0.03 0.07 91.01 08:20:10 0 8.57 0.00 0.44 0.05 0.07 90.87 08:20:10 1 8.07 0.00 0.54 0.00 0.08 91.32 08:20:10 2 8.52 0.00 0.47 0.04 0.08 90.89 08:20:10 3 8.48 0.00 0.47 0.04 0.07 90.95 08:30:01 all 17.69 0.00 0.69 0.02 0.08 81.52 08:30:01 0 17.58 0.00 0.70 0.02 0.07 81.63 08:30:01 1 17.44 0.00 0.64 0.04 0.08 81.81 08:30:01 2 18.11 0.00 0.77 0.02 0.08 81.02 08:30:01 3 17.62 0.00 0.65 0.02 0.08 81.63 08:40:10 all 8.53 0.00 0.34 0.02 0.08 91.04 08:40:10 0 8.35 0.00 0.37 0.03 0.07 91.18 08:40:10 1 8.68 0.00 0.34 0.01 0.08 90.89 08:40:10 2 8.74 0.00 0.32 0.01 0.08 90.85 08:40:10 3 8.34 0.00 0.33 0.03 0.08 91.23 08:50:10 all 15.87 0.00 0.65 0.04 0.08 83.36 08:50:10 0 15.77 0.00 0.66 0.02 0.08 83.48 08:50:10 1 15.65 0.00 0.68 0.03 0.08 83.56 08:50:10 2 15.06 0.00 0.58 0.01 0.09 84.27 08:50:10 3 17.01 0.00 0.68 0.10 0.07 82.14 Average: all 22.25 0.00 0.90 0.06 0.08 76.70 Average: 0 22.03 0.00 0.89 0.04 0.08 76.96 Average: 1 22.28 0.00 0.95 0.06 0.09 76.63 Average: 2 22.05 0.00 0.88 0.09 0.09 76.90 Average: 3 22.64 0.00 0.90 0.06 0.08 76.31