---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-4734 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 707 11681 4 3600 14939 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:10:c2:ed brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.207/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79560sec preferred_lft 79560sec inet6 fe80::f816:3eff:fe10:c2ed/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 32:4b:c9:5f:d7:ad 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::304b:c9ff:fe5f:d7ad/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-4734) 03/18/26 _x86_64_ (4 CPU) 10:34:13 LINUX RESTART (4 CPU) 10:40:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:06 98.35 22.98 71.04 4.34 359.43 21846.26 10629.11 11:00:06 29.17 9.60 18.55 1.01 184.29 472.09 1197.13 11:10:02 7.60 0.22 6.98 0.40 13.01 247.49 632.50 11:20:14 10.61 0.03 10.10 0.48 1.41 562.05 761.54 11:30:20 13.94 0.09 13.29 0.56 4.05 405.89 267.00 11:40:21 9.61 0.01 9.21 0.39 0.52 286.91 359.97 11:50:21 21.87 0.07 5.48 16.32 1.53 150.09 210603.57 12:00:11 6.70 0.01 6.39 0.30 1.45 245.09 127.35 12:10:22 6.37 0.01 6.11 0.25 0.46 173.80 62.70 12:20:37 8.93 0.04 8.53 0.35 4.31 560.89 474.18 Average: 21.26 3.29 15.54 2.43 56.76 2484.60 22415.17 10:40:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:06 163592 3798732 12129168 74.08 271900 3315372 13335940 76.55 2195128 13379420 2576 11:00:06 4795348 7171076 8766108 53.54 270404 2163120 9461392 54.31 1898728 9163088 244 11:10:02 7773924 10173864 5766516 35.22 271320 2186408 6912644 39.68 1911820 6202496 388 11:20:14 12799452 15313328 629056 3.84 275944 2295808 1360304 7.81 1951212 1147748 10152 11:30:20 11080388 13642116 2299940 14.05 277828 2341780 2996108 17.20 1957212 2869844 312 11:40:21 8837428 11439140 4501528 27.49 278956 2380636 5260624 30.20 1959744 5100760 236 11:50:21 8681232 11306592 4633904 28.30 279708 2403532 5327196 30.58 1965896 5234104 640 12:00:11 8544900 11208784 4731752 28.90 280372 2441392 6340620 36.40 1970724 5381128 332 12:10:22 9109748 11797568 4143424 25.31 281208 2464492 5066620 29.08 1973248 4809448 500 12:20:37 8532928 11349152 4591424 28.04 285384 2587876 5277388 30.29 1988460 5375248 44 Average: 8031894 10720035 5219282 31.88 277302 2458042 6133884 35.21 1977217 5866328 1542 10:40:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:06 lo 16.26 16.26 14.96 14.96 0.00 0.00 0.00 0.00 10:50:06 ens3 38.54 28.22 644.77 3.12 0.00 0.00 0.00 0.00 10:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:06 lo 38.63 38.63 16.79 16.79 0.00 0.00 0.00 0.00 11:00:06 ens3 1.66 1.46 0.35 0.30 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 11:10:02 lo 24.13 24.13 10.36 10.36 0.00 0.00 0.00 0.00 11:10:02 ens3 1.18 0.94 0.21 1.32 0.00 0.00 0.00 0.00 11:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:14 lo 12.19 12.19 6.35 6.35 0.00 0.00 0.00 0.00 11:20:14 ens3 1.23 0.58 0.29 0.19 0.00 0.00 0.00 0.00 11:20:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:20 lo 8.97 8.97 4.51 4.51 0.00 0.00 0.00 0.00 11:30:20 ens3 0.89 0.58 0.20 0.15 0.00 0.00 0.00 0.00 11:30:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:21 lo 19.08 19.08 10.05 10.05 0.00 0.00 0.00 0.00 11:40:21 ens3 1.05 0.68 0.26 0.19 0.00 0.00 0.00 0.00 11:40:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:21 lo 27.66 27.66 10.04 10.04 0.00 0.00 0.00 0.00 11:50:21 ens3 0.86 0.46 0.18 0.12 0.00 0.00 0.00 0.00 11:50:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:11 lo 19.71 19.71 9.48 9.48 0.00 0.00 0.00 0.00 12:00:11 ens3 1.58 0.65 0.35 0.22 0.00 0.00 0.00 0.00 12:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:22 lo 17.78 17.78 10.83 10.83 0.00 0.00 0.00 0.00 12:10:22 ens3 0.81 0.50 0.16 0.12 0.00 0.00 0.00 0.00 12:10:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:37 lo 19.05 19.05 9.87 9.87 0.00 0.00 0.00 0.00 12:20:37 ens3 1.53 0.95 0.48 0.36 0.00 0.00 0.00 0.00 12:20:37 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.31 20.31 10.31 10.31 0.00 0.00 0.00 0.00 Average: ens3 4.91 3.49 64.38 0.60 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-4734) 03/18/26 _x86_64_ (4 CPU) 10:34:13 LINUX RESTART (4 CPU) 10:40:06 CPU %user %nice %system %iowait %steal %idle 10:50:06 all 49.85 0.00 2.02 5.41 0.09 42.63 10:50:06 0 49.63 0.00 2.15 6.18 0.09 41.96 10:50:06 1 48.30 0.00 2.13 6.30 0.09 43.18 10:50:06 2 51.79 0.00 2.05 3.75 0.09 42.32 10:50:06 3 49.70 0.00 1.75 5.42 0.09 43.05 11:00:06 all 38.03 0.00 1.50 0.26 0.11 60.09 11:00:06 0 38.20 0.00 1.49 0.25 0.11 59.95 11:00:06 1 38.13 0.00 1.50 0.25 0.11 60.01 11:00:06 2 38.05 0.00 1.53 0.22 0.11 60.08 11:00:06 3 37.74 0.00 1.49 0.33 0.11 60.33 11:10:02 all 16.51 0.00 0.72 0.09 0.09 82.59 11:10:02 0 16.65 0.00 0.67 0.10 0.09 82.50 11:10:02 1 16.56 0.00 0.73 0.03 0.10 82.58 11:10:02 2 16.81 0.00 0.73 0.12 0.10 82.24 11:10:02 3 16.01 0.00 0.74 0.10 0.10 83.05 11:20:14 all 18.52 0.00 0.73 0.05 0.09 80.62 11:20:14 0 19.48 0.00 0.73 0.02 0.09 79.68 11:20:14 1 19.11 0.00 0.66 0.04 0.09 80.09 11:20:14 2 18.13 0.00 0.70 0.08 0.09 81.01 11:20:14 3 17.35 0.00 0.82 0.04 0.09 81.70 11:30:20 all 19.13 0.00 0.63 0.06 0.09 80.10 11:30:20 0 19.53 0.00 0.61 0.03 0.08 79.74 11:30:20 1 19.15 0.00 0.70 0.14 0.09 79.91 11:30:20 2 19.30 0.00 0.57 0.04 0.09 80.01 11:30:20 3 18.55 0.00 0.62 0.02 0.08 80.72 11:40:21 all 18.16 0.00 0.70 0.06 0.09 80.99 11:40:21 0 18.53 0.00 0.69 0.04 0.09 80.64 11:40:21 1 17.91 0.00 0.70 0.04 0.09 81.26 11:40:21 2 17.74 0.00 0.75 0.02 0.10 81.39 11:40:21 3 18.46 0.00 0.65 0.14 0.08 80.66 11:50:21 all 8.46 0.00 0.40 0.25 0.08 90.82 11:50:21 0 8.40 0.00 0.43 0.18 0.08 90.91 11:50:21 1 8.21 0.00 0.38 0.17 0.08 91.16 11:50:21 2 8.63 0.00 0.38 0.52 0.09 90.38 11:50:21 3 8.58 0.00 0.39 0.12 0.09 90.82 12:00:11 all 16.20 0.00 0.73 0.10 0.09 82.88 12:00:11 0 16.43 0.00 0.74 0.05 0.09 82.69 12:00:11 1 17.06 0.00 0.80 0.09 0.09 81.96 12:00:11 2 15.54 0.00 0.79 0.11 0.09 83.47 12:00:11 3 15.77 0.00 0.59 0.15 0.09 83.40 12:10:22 all 11.01 0.00 0.50 0.13 0.07 88.28 12:10:22 0 10.82 0.00 0.48 0.16 0.07 88.47 12:10:22 1 10.88 0.00 0.49 0.13 0.08 88.42 12:10:22 2 11.28 0.00 0.59 0.16 0.08 87.89 12:10:22 3 11.08 0.00 0.42 0.08 0.07 88.36 12:20:37 all 15.83 0.00 0.70 0.09 0.08 83.30 12:20:37 0 15.43 0.00 0.73 0.07 0.08 83.69 12:20:37 1 15.80 0.00 0.58 0.04 0.08 83.50 12:20:37 2 16.54 0.00 0.82 0.23 0.08 82.33 12:20:37 3 15.54 0.00 0.68 0.04 0.08 83.66 Average: all 21.14 0.00 0.86 0.65 0.09 77.26 Average: 0 21.28 0.00 0.87 0.70 0.09 77.05 Average: 1 21.09 0.00 0.87 0.72 0.09 77.24 Average: 2 21.35 0.00 0.89 0.52 0.09 77.14 Average: 3 20.85 0.00 0.81 0.64 0.09 77.61