---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-9496 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 704 11295 4 3990 14942 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:5a:14:41 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.203/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79920sec preferred_lft 79920sec inet6 fe80::f816:3eff:fe5a:1441/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:3f:6c:27:fb:e2 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::383f:6cff:fe27:fbe2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-9496) 03/23/26 _x86_64_ (4 CPU) 07:24:15 LINUX RESTART (4 CPU) 07:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:40:02 101.97 23.02 60.56 18.39 368.88 7993.23 218835.40 07:50:02 22.90 6.03 15.98 0.89 117.09 452.93 1485.15 08:00:02 8.29 0.13 7.74 0.42 6.24 264.93 1190.76 08:10:02 15.49 0.03 14.77 0.68 2.03 705.29 813.93 08:20:01 14.10 0.01 13.45 0.63 0.73 442.73 285.40 08:30:02 5.52 0.01 5.32 0.19 0.69 146.86 55.21 08:40:02 5.30 0.01 5.10 0.19 1.25 155.16 115.83 08:50:01 4.90 0.00 4.71 0.19 0.31 149.73 390.37 09:00:02 10.38 0.03 9.88 0.47 3.98 594.25 300.39 09:10:02 6.28 0.04 5.94 0.30 1.43 265.89 244.34 Average: 19.51 2.93 14.35 2.23 50.26 1117.11 22371.63 07:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:40:02 1703608 4957896 10973336 67.02 269848 2974088 12004796 68.91 2168992 11919664 584 07:50:02 3439380 6220616 9716084 59.34 271336 2547964 10715244 61.51 2173992 10214744 332 08:00:02 6814492 9619656 6319548 38.60 272404 2570856 7112300 40.82 2180248 6866620 64 08:10:02 10592980 13528168 2413368 14.74 277412 2695824 3169936 18.20 2219656 3063360 248 08:20:01 8341576 11340852 4599324 28.09 279276 2758048 5353984 30.73 2224180 5299336 272 08:30:02 8215964 11233772 4706340 28.74 279832 2776024 5395748 30.97 2225704 5421584 232 08:40:02 6978256 10017232 5922072 36.17 280304 2796724 6730980 38.64 2227756 6647208 364 08:50:01 6643120 9703508 6235816 38.09 280832 2817604 6934752 39.81 2230972 6982948 520 09:00:02 11599376 14808108 1133832 6.92 285136 2961204 1915704 11.00 2246152 2037316 22780 09:10:02 7307444 10544972 5394660 32.95 285956 2989140 6088104 34.95 2259088 6293376 1140 Average: 7163620 10197478 5741438 35.07 278234 2788748 6542155 37.55 2215674 6474616 2654 07:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:40:02 lo 23.31 23.31 18.07 18.07 0.00 0.00 0.00 0.00 07:40:02 ens3 2.01 1.81 0.61 0.53 0.00 0.00 0.00 0.00 07:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:02 lo 43.58 43.58 18.36 18.36 0.00 0.00 0.00 0.00 07:50:02 ens3 2.46 1.35 0.56 0.38 0.00 0.00 0.00 0.00 07:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:02 lo 17.60 17.60 9.02 9.02 0.00 0.00 0.00 0.00 08:00:02 ens3 1.27 0.73 0.27 1.25 0.00 0.00 0.00 0.00 08:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:02 lo 11.24 11.24 5.49 5.49 0.00 0.00 0.00 0.00 08:10:02 ens3 1.00 0.88 0.24 0.20 0.00 0.00 0.00 0.00 08:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:01 lo 19.88 19.88 10.52 10.52 0.00 0.00 0.00 0.00 08:20:01 ens3 1.36 0.74 0.24 0.16 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 08:30:02 lo 22.96 22.96 9.07 9.07 0.00 0.00 0.00 0.00 08:30:02 ens3 1.05 0.61 0.22 0.14 0.00 0.00 0.00 0.00 08:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:02 lo 25.38 25.38 11.11 11.11 0.00 0.00 0.00 0.00 08:40:02 ens3 0.83 0.50 0.18 0.13 0.00 0.00 0.00 0.00 08:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:01 lo 17.69 17.69 10.62 10.62 0.00 0.00 0.00 0.00 08:50:01 ens3 0.92 0.55 0.21 0.15 0.00 0.00 0.00 0.00 08:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:02 lo 12.86 12.86 7.26 7.26 0.00 0.00 0.00 0.00 09:00:02 ens3 0.90 0.74 0.24 0.20 0.00 0.00 0.00 0.00 09:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:02 lo 29.55 29.55 12.33 12.33 0.00 0.00 0.00 0.00 09:10:02 ens3 0.85 0.64 0.17 0.13 0.00 0.00 0.00 0.00 09:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 22.41 22.41 11.18 11.18 0.00 0.00 0.00 0.00 Average: ens3 1.26 0.86 0.29 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-9496) 03/23/26 _x86_64_ (4 CPU) 07:24:15 LINUX RESTART (4 CPU) 07:30:02 CPU %user %nice %system %iowait %steal %idle 07:40:02 all 53.76 0.00 1.99 0.15 0.10 43.99 07:40:02 0 54.71 0.00 1.88 0.08 0.10 43.23 07:40:02 1 54.46 0.00 1.96 0.14 0.10 43.34 07:40:02 2 53.49 0.00 1.85 0.14 0.10 44.42 07:40:02 3 52.37 0.00 2.28 0.26 0.10 44.99 07:50:02 all 37.06 0.00 1.42 0.08 0.11 61.33 07:50:02 0 36.75 0.00 1.37 0.09 0.11 61.68 07:50:02 1 37.40 0.00 1.50 0.13 0.11 60.86 07:50:02 2 37.32 0.00 1.42 0.07 0.11 61.08 07:50:02 3 36.77 0.00 1.40 0.04 0.11 61.69 08:00:02 all 17.22 0.00 0.72 0.03 0.09 81.94 08:00:02 0 17.37 0.00 0.73 0.03 0.09 81.79 08:00:02 1 16.27 0.00 0.65 0.04 0.09 82.95 08:00:02 2 17.51 0.00 0.80 0.04 0.08 81.57 08:00:02 3 17.73 0.00 0.71 0.03 0.09 81.44 08:10:02 all 21.24 0.00 0.80 0.06 0.08 77.82 08:10:02 0 21.67 0.00 0.83 0.05 0.08 77.37 08:10:02 1 21.38 0.00 0.81 0.03 0.09 77.70 08:10:02 2 20.52 0.00 0.85 0.10 0.08 78.45 08:10:02 3 21.40 0.00 0.70 0.04 0.08 77.77 08:20:01 all 24.40 0.00 0.78 0.04 0.09 74.69 08:20:01 0 24.71 0.00 0.65 0.01 0.08 74.55 08:20:01 1 24.58 0.00 0.82 0.04 0.08 74.49 08:20:01 2 23.72 0.00 0.83 0.09 0.10 75.26 08:20:01 3 24.60 0.00 0.80 0.04 0.08 74.48 08:30:02 all 8.21 0.00 0.40 0.02 0.08 91.29 08:30:02 0 8.08 0.00 0.35 0.01 0.07 91.50 08:30:02 1 8.70 0.00 0.40 0.04 0.08 90.77 08:30:02 2 7.97 0.00 0.42 0.01 0.08 91.52 08:30:02 3 8.10 0.00 0.43 0.03 0.08 91.35 08:40:02 all 10.20 0.00 0.49 0.02 0.08 89.21 08:40:02 0 10.15 0.00 0.48 0.03 0.08 89.27 08:40:02 1 10.26 0.00 0.54 0.02 0.08 89.10 08:40:02 2 10.46 0.00 0.46 0.00 0.08 89.00 08:40:02 3 9.96 0.00 0.48 0.04 0.09 89.44 08:50:01 all 9.69 0.00 0.52 0.02 0.08 89.68 08:50:01 0 9.69 0.00 0.43 0.00 0.08 89.80 08:50:01 1 9.72 0.00 0.54 0.01 0.08 89.66 08:50:01 2 10.11 0.00 0.58 0.06 0.09 89.17 08:50:01 3 9.25 0.00 0.55 0.03 0.08 90.09 09:00:02 all 13.95 0.00 0.51 0.04 0.08 85.42 09:00:02 0 13.39 0.00 0.52 0.01 0.08 86.00 09:00:02 1 14.05 0.00 0.53 0.07 0.08 85.28 09:00:02 2 14.82 0.00 0.46 0.03 0.08 84.62 09:00:02 3 13.56 0.00 0.52 0.07 0.08 85.77 09:10:02 all 14.03 0.00 0.51 0.03 0.08 85.36 09:10:02 0 13.51 0.00 0.43 0.02 0.08 85.97 09:10:02 1 14.39 0.00 0.55 0.04 0.08 84.94 09:10:02 2 14.28 0.00 0.61 0.01 0.08 85.02 09:10:02 3 13.94 0.00 0.44 0.05 0.08 85.49 Average: all 20.97 0.00 0.81 0.05 0.09 78.08 Average: 0 21.00 0.00 0.77 0.03 0.09 78.12 Average: 1 21.11 0.00 0.83 0.05 0.09 77.92 Average: 2 21.01 0.00 0.83 0.06 0.09 78.02 Average: 3 20.76 0.00 0.83 0.06 0.09 78.26