---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-53436 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 708 11367 3 3913 14938 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:3a:29:84 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.27/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79520sec preferred_lft 79520sec inet6 fe80::f816:3eff:fe3a:2984/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:03:f7:a8:b3:2d 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::5803:f7ff:fea8:b32d/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-53436) 03/27/26 _x86_64_ (4 CPU) 07:50:38 LINUX RESTART (4 CPU) 08:00:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:10:01 74.80 27.21 44.91 2.68 418.97 5275.88 2674.69 08:20:26 10.27 0.41 9.36 0.50 15.29 261.50 251.99 08:30:26 23.00 0.28 7.04 15.68 9.60 240.44 212562.98 08:40:01 17.41 0.09 16.59 0.73 2.68 775.37 824.09 08:50:26 12.16 0.01 11.54 0.61 0.56 396.68 368.69 09:00:26 4.84 0.01 4.68 0.15 0.55 129.72 59.03 09:10:01 4.69 0.01 4.50 0.18 1.10 150.61 79.77 09:20:18 5.15 0.00 4.97 0.18 0.30 152.51 47.91 09:30:12 5.58 0.05 5.35 0.18 4.80 158.71 57.05 09:40:01 9.04 0.03 8.57 0.44 1.33 598.83 726.92 Average: 16.60 2.78 11.70 2.13 45.01 805.60 21792.15 08:00:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:01 1062440 3746856 12188648 74.44 260808 2461348 13554872 77.80 2065804 12720504 348 08:20:26 8366912 11077704 4860240 29.68 262124 2486252 5616284 32.24 2082132 5392056 108 08:30:26 6948636 9683568 6256000 38.21 265304 2507236 7024892 40.32 2095336 6815936 52 08:40:01 11802720 14675400 1267300 7.74 270764 2639492 2014120 11.56 2135528 1949380 11296 08:50:26 8456944 11382308 4558480 27.84 272792 2690152 5282488 30.32 2139540 5279984 232 09:00:26 8521324 11463608 4477024 27.34 273176 2706684 5228144 30.01 2140696 5214296 608 09:10:01 7006064 9969564 5970332 36.46 273640 2727436 6720472 38.58 2142700 6716504 312 09:20:18 6788980 9774184 6165532 37.66 274276 2748508 6877620 39.48 2145948 6927408 264 09:30:12 12269108 15320580 621900 3.80 276488 2812532 1349964 7.75 2151468 1454680 41176 09:40:01 11911872 15072248 870412 5.32 279276 2917256 1761096 10.11 2173344 1805608 23944 Average: 8313500 11216602 4723587 28.85 270865 2669690 5542995 31.82 2127250 5427636 7834 08:00:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:01 lo 38.46 38.46 23.78 23.78 0.00 0.00 0.00 0.00 08:10:01 ens3 3.00 2.20 0.64 1.38 0.00 0.00 0.00 0.00 08:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:26 lo 35.08 35.08 13.88 13.88 0.00 0.00 0.00 0.00 08:20:26 ens3 1.54 0.86 0.29 0.19 0.00 0.00 0.00 0.00 08:20:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:26 lo 9.56 9.56 5.97 5.97 0.00 0.00 0.00 0.00 08:30:26 ens3 2.40 0.43 0.28 0.14 0.00 0.00 0.00 0.00 08:30:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:01 lo 10.51 10.51 5.12 5.12 0.00 0.00 0.00 0.00 08:40:01 ens3 1.97 0.94 0.32 0.23 0.00 0.00 0.00 0.00 08:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:26 lo 20.02 20.02 10.54 10.54 0.00 0.00 0.00 0.00 08:50:26 ens3 0.84 0.66 0.16 0.13 0.00 0.00 0.00 0.00 08:50:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:26 lo 15.29 15.29 6.31 6.31 0.00 0.00 0.00 0.00 09:00:26 ens3 0.67 0.46 0.16 0.11 0.00 0.00 0.00 0.00 09:00:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:01 lo 26.19 26.19 10.84 10.84 0.00 0.00 0.00 0.00 09:10:01 ens3 0.66 0.47 0.18 0.13 0.00 0.00 0.00 0.00 09:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:18 lo 19.22 19.22 10.58 10.58 0.00 0.00 0.00 0.00 09:20:18 ens3 0.65 0.51 0.13 0.10 0.00 0.00 0.00 0.00 09:20:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:12 lo 11.40 11.40 5.96 5.96 0.00 0.00 0.00 0.00 09:30:12 ens3 0.55 0.40 0.11 0.08 0.00 0.00 0.00 0.00 09:30:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 lo 23.65 23.65 11.11 11.11 0.00 0.00 0.00 0.00 09:40:01 ens3 1.10 0.99 0.29 0.24 0.00 0.00 0.00 0.00 09:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.99 20.99 10.43 10.43 0.00 0.00 0.00 0.00 Average: ens3 1.33 0.79 0.26 0.27 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-53436) 03/27/26 _x86_64_ (4 CPU) 07:50:38 LINUX RESTART (4 CPU) 08:00:10 CPU %user %nice %system %iowait %steal %idle 08:10:01 all 61.79 0.00 2.26 0.11 0.12 35.72 08:10:01 0 62.15 0.00 2.11 0.09 0.12 35.52 08:10:01 1 60.73 0.00 2.43 0.11 0.12 36.62 08:10:01 2 62.83 0.00 2.16 0.11 0.12 34.78 08:10:01 3 61.48 0.00 2.32 0.14 0.12 35.95 08:20:26 all 19.20 0.00 0.78 0.04 0.11 79.88 08:20:26 0 18.86 0.00 0.69 0.03 0.11 80.31 08:20:26 1 19.71 0.00 0.84 0.05 0.11 79.29 08:20:26 2 18.64 0.00 0.83 0.03 0.11 80.39 08:20:26 3 19.57 0.00 0.77 0.03 0.11 79.52 08:30:26 all 16.21 0.00 0.62 0.08 0.09 83.00 08:30:26 0 16.56 0.00 0.70 0.05 0.08 82.60 08:30:26 1 15.60 0.00 0.62 0.06 0.09 83.63 08:30:26 2 16.51 0.00 0.57 0.13 0.09 82.70 08:30:26 3 16.17 0.00 0.58 0.09 0.09 83.08 08:40:01 all 24.87 0.00 0.89 0.06 0.08 74.10 08:40:01 0 25.21 0.00 0.86 0.04 0.08 73.81 08:40:01 1 24.89 0.00 0.95 0.14 0.08 73.93 08:40:01 2 24.97 0.00 0.92 0.03 0.09 73.99 08:40:01 3 24.40 0.00 0.81 0.03 0.08 74.67 08:50:26 all 23.85 0.00 0.79 0.03 0.09 75.23 08:50:26 0 24.04 0.00 0.69 0.02 0.09 75.16 08:50:26 1 24.46 0.00 0.89 0.02 0.09 74.53 08:50:26 2 23.75 0.00 0.80 0.02 0.10 75.34 08:50:26 3 23.15 0.00 0.78 0.08 0.09 75.91 09:00:26 all 7.45 0.00 0.42 0.02 0.08 92.03 09:00:26 0 7.14 0.00 0.42 0.05 0.07 92.32 09:00:26 1 7.71 0.00 0.43 0.00 0.08 91.79 09:00:26 2 7.42 0.00 0.46 0.02 0.08 92.03 09:00:26 3 7.54 0.00 0.39 0.01 0.07 91.99 09:10:01 all 10.92 0.00 0.55 0.02 0.08 88.43 09:10:01 0 10.43 0.00 0.60 0.03 0.08 88.86 09:10:01 1 11.03 0.00 0.57 0.00 0.09 88.32 09:10:01 2 11.21 0.00 0.54 0.01 0.09 88.15 09:10:01 3 11.03 0.00 0.49 0.01 0.07 88.40 09:20:18 all 9.98 0.00 0.55 0.02 0.08 89.36 09:20:18 0 10.35 0.00 0.51 0.01 0.08 89.05 09:20:18 1 9.41 0.00 0.56 0.04 0.09 89.90 09:20:18 2 10.13 0.00 0.52 0.01 0.08 89.25 09:20:18 3 10.02 0.00 0.63 0.02 0.07 89.26 09:30:12 all 7.85 0.00 0.53 0.02 0.07 91.53 09:30:12 0 7.72 0.00 0.53 0.00 0.07 91.68 09:30:12 1 7.80 0.00 0.62 0.05 0.08 91.45 09:30:12 2 8.30 0.00 0.52 0.02 0.07 91.08 09:30:12 3 7.58 0.00 0.45 0.01 0.06 91.90 09:40:01 all 15.19 0.00 0.58 0.04 0.07 84.12 09:40:01 0 15.30 0.00 0.54 0.01 0.07 84.08 09:40:01 1 15.27 0.00 0.67 0.03 0.08 83.95 09:40:01 2 15.16 0.00 0.55 0.10 0.07 84.12 09:40:01 3 15.03 0.00 0.58 0.01 0.07 84.31 Average: all 19.68 0.00 0.80 0.04 0.09 79.39 Average: 0 19.72 0.00 0.76 0.03 0.09 79.40 Average: 1 19.61 0.00 0.86 0.05 0.09 79.39 Average: 2 19.83 0.00 0.79 0.05 0.09 79.25 Average: 3 19.55 0.00 0.78 0.04 0.08 79.54