---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-50355 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 17G 61G 22% / 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 11683 3 3594 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:5e:d4:51 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.192/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81778sec preferred_lft 81778sec inet6 fe80::f816:3eff:fe5e:d451/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:5f:82:bc:9f:44 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 ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-50355) 03/05/26 _x86_64_ (4 CPU) 08:17:46 LINUX RESTART (4 CPU) 08:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:11 114.15 3.90 104.81 5.43 415.13 35335.55 13260.54 08:40:11 56.17 23.98 30.35 1.83 251.79 1728.16 1922.59 08:50:05 5.42 0.21 4.99 0.22 12.54 157.20 184.70 09:00:06 7.26 0.06 6.86 0.34 1.85 229.55 522.34 09:10:11 15.16 0.06 14.49 0.61 2.71 691.77 751.28 09:20:11 12.10 0.02 11.59 0.48 0.84 403.11 4036.23 09:30:11 4.84 0.00 4.72 0.12 0.16 125.31 95.52 Average: 30.94 4.03 25.60 1.30 98.60 5595.86 2992.77 08:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:11 952224 5703460 10223060 62.44 253676 4372388 11501736 66.02 2034244 12676464 2108 08:40:11 3156988 6153620 9780220 59.73 258028 2739660 10983288 63.04 2020884 10619664 260 08:50:05 4056268 7065484 8868840 54.17 258704 2751388 9537276 54.74 2031728 9697964 224 09:00:06 6546548 9577492 6359368 38.84 259736 2772092 7053724 40.49 2037084 7245772 228 09:10:11 10658820 13815636 2123760 12.97 265060 2892580 2839524 16.30 2065040 3114968 32 09:20:11 8257756 11474584 4463452 27.26 266136 2951524 5148280 29.55 2068376 5512136 36 09:30:11 8174916 11407124 4531040 27.67 266520 2966516 5298808 30.42 2069312 5570568 212 Average: 5971931 9313914 6621391 40.44 261123 3063735 7480377 42.94 2046667 7776791 443 08:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:11 lo 5.87 5.87 6.99 6.99 0.00 0.00 0.00 0.00 08:30:11 ens3 98.56 76.26 1580.98 7.98 0.00 0.00 0.00 0.00 08:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:11 lo 46.19 46.19 23.96 23.96 0.00 0.00 0.00 0.00 08:40:11 ens3 2.12 1.80 0.46 0.39 0.00 0.00 0.00 0.00 08:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:05 lo 25.51 25.51 9.34 9.34 0.00 0.00 0.00 0.00 08:50:05 ens3 0.74 0.60 0.17 0.13 0.00 0.00 0.00 0.00 08:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:06 lo 11.69 11.69 6.81 6.81 0.00 0.00 0.00 0.00 09:00:06 ens3 0.90 0.82 0.18 1.10 0.00 0.00 0.00 0.00 09:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:11 lo 7.42 7.42 3.98 3.98 0.00 0.00 0.00 0.00 09:10:11 ens3 1.53 0.93 0.59 0.43 0.00 0.00 0.00 0.00 09:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:11 lo 19.33 19.33 10.00 10.00 0.00 0.00 0.00 0.00 09:20:11 ens3 0.93 0.71 0.22 0.17 0.00 0.00 0.00 0.00 09:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:11 lo 11.61 11.61 5.52 5.52 0.00 0.00 0.00 0.00 09:30:11 ens3 0.61 0.43 0.14 0.10 0.00 0.00 0.00 0.00 09:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 18.18 18.18 9.50 9.50 0.00 0.00 0.00 0.00 Average: ens3 15.25 11.80 229.33 1.49 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-50355) 03/05/26 _x86_64_ (4 CPU) 08:17:46 LINUX RESTART (4 CPU) 08:20:01 CPU %user %nice %system %iowait %steal %idle 08:30:11 all 51.02 0.00 2.33 4.32 0.09 42.23 08:30:11 0 49.87 0.00 2.34 5.25 0.09 42.46 08:30:11 1 50.52 0.00 2.31 2.94 0.09 44.14 08:30:11 2 54.71 0.00 2.48 3.35 0.10 39.37 08:30:11 3 49.00 0.00 2.21 5.73 0.09 42.96 08:40:11 all 54.39 0.00 1.93 0.11 0.11 43.46 08:40:11 0 55.17 0.00 1.88 0.14 0.11 42.70 08:40:11 1 54.54 0.00 1.87 0.07 0.11 43.41 08:40:11 2 54.38 0.00 1.84 0.17 0.11 43.50 08:40:11 3 53.44 0.00 2.13 0.08 0.11 44.24 08:50:05 all 10.82 0.00 0.66 0.04 0.10 88.37 08:50:05 0 10.90 0.00 0.69 0.03 0.11 88.27 08:50:05 1 10.81 0.00 0.67 0.11 0.10 88.32 08:50:05 2 10.76 0.00 0.65 0.02 0.10 88.48 08:50:05 3 10.84 0.00 0.63 0.01 0.10 88.43 09:00:06 all 16.17 0.00 0.64 0.32 0.08 82.78 09:00:06 0 15.72 0.00 0.53 0.09 0.08 83.59 09:00:06 1 16.46 0.00 0.64 0.10 0.09 82.71 09:00:06 2 16.28 0.00 0.77 0.03 0.09 82.84 09:00:06 3 16.22 0.00 0.62 1.09 0.08 82.00 09:10:11 all 21.11 0.00 0.80 0.44 0.08 77.57 09:10:11 0 21.74 0.00 0.75 0.22 0.09 77.20 09:10:11 1 20.95 0.00 0.87 1.38 0.08 76.70 09:10:11 2 21.11 0.00 0.82 0.10 0.08 77.90 09:10:11 3 20.64 0.00 0.75 0.05 0.08 78.48 09:20:11 all 24.85 0.00 0.79 1.85 0.08 72.44 09:20:11 0 24.95 0.00 0.71 1.18 0.07 73.08 09:20:11 1 25.08 0.00 0.78 4.02 0.09 70.03 09:20:11 2 24.45 0.00 0.87 0.74 0.08 73.86 09:20:11 3 24.90 0.00 0.78 1.45 0.08 72.79 09:30:11 all 7.29 0.00 0.35 0.18 0.06 92.12 09:30:11 0 7.00 0.00 0.33 0.10 0.06 92.52 09:30:11 1 7.37 0.00 0.37 0.29 0.06 91.91 09:30:11 2 7.66 0.00 0.39 0.17 0.07 91.71 09:30:11 3 7.13 0.00 0.31 0.16 0.05 92.35 Average: all 26.59 0.00 1.07 1.05 0.09 71.20 Average: 0 26.53 0.00 1.04 1.01 0.09 71.33 Average: 1 26.61 0.00 1.08 1.28 0.09 70.95 Average: 2 27.13 0.00 1.12 0.66 0.09 71.00 Average: 3 26.08 0.00 1.06 1.24 0.08 71.53