---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-55722 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 691 11475 3 3822 14955 Swap: 1023 1 1022 ---> 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:bf:56:33 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.72/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79560sec preferred_lft 79560sec inet6 fe80::f816:3eff:febf:5633/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:d5:84:b5:29:3a 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::18d5:84ff:feb5:293a/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-55722) 03/31/26 _x86_64_ (4 CPU) 10:44:17 LINUX RESTART (4 CPU) 10:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:03 103.73 22.32 77.11 4.30 350.70 25018.99 11002.45 11:10:00 29.77 7.89 20.83 1.05 149.03 788.37 1617.15 11:20:24 10.86 0.19 10.16 0.51 11.95 331.77 451.22 11:30:05 12.89 0.07 12.26 0.56 8.91 621.71 536.71 11:40:04 16.60 0.02 15.82 0.76 1.11 516.31 247.18 11:50:04 6.09 0.00 5.81 0.28 0.20 197.04 79.75 12:00:04 4.76 0.01 4.57 0.18 1.90 144.14 60.66 12:10:04 4.61 0.01 4.53 0.08 1.12 78.82 34.11 12:20:04 5.79 0.05 5.56 0.18 1.56 161.16 48.11 12:30:04 26.89 0.15 10.20 16.55 5.95 671.43 209366.90 Average: 22.19 3.07 16.68 2.44 53.21 2853.78 22330.18 10:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:03 1016408 5102792 10826800 66.13 264132 3763080 12034992 69.08 2002172 12723500 46456 11:10:00 8888816 11479372 4457496 27.22 262704 2372248 5286752 30.35 1944564 5024308 3980 11:20:24 2227372 4841688 11094596 67.76 264124 2394392 12242804 70.27 1955432 11678928 364 11:30:05 11988676 14728316 1214080 7.42 268836 2515096 2002468 11.49 1996152 1912472 11204 11:40:04 11262452 14078844 1863180 11.38 271292 2589392 2897816 16.63 2002032 2631904 13832 11:50:04 8719332 11553460 4386732 26.79 271996 2606464 5196628 29.83 2003668 5160532 304 12:00:04 7207176 10062492 5877272 35.90 272648 2626992 6731436 38.64 2006052 6651660 260 12:10:04 10721720 13599140 2342380 14.31 273072 2648672 3688872 21.17 2009460 3160668 20228 12:20:04 11335460 14237320 1704136 10.41 273860 2672324 2929832 16.82 2012364 2547024 21808 12:30:04 8350288 11386888 4553380 27.81 280272 2800568 5241700 30.09 2034244 5497476 228 Average: 8171770 11107031 4832005 29.51 270294 2698923 5825330 33.44 1996614 5698847 11866 10:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:03 lo 14.94 14.94 12.96 12.96 0.00 0.00 0.00 0.00 11:00:03 ens3 40.42 30.86 644.33 3.31 0.00 0.00 0.00 0.00 11:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:00 lo 43.26 43.26 20.13 20.13 0.00 0.00 0.00 0.00 11:10:00 ens3 2.83 1.58 0.57 0.38 0.00 0.00 0.00 0.00 11:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:24 lo 23.95 23.95 11.09 11.09 0.00 0.00 0.00 0.00 11:20:24 ens3 0.98 0.74 0.22 0.16 0.00 0.00 0.00 0.00 11:20:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:05 lo 12.28 12.28 5.65 5.65 0.00 0.00 0.00 0.00 11:30:05 ens3 0.89 0.71 0.22 0.18 0.00 0.00 0.00 0.00 11:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:04 lo 17.17 17.17 8.51 8.51 0.00 0.00 0.00 0.00 11:40:04 ens3 1.30 0.69 0.26 0.17 0.00 0.00 0.00 0.00 11:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:04 lo 18.38 18.38 9.22 9.22 0.00 0.00 0.00 0.00 11:50:04 ens3 0.95 0.59 0.21 0.15 0.00 0.00 0.00 0.00 11:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:04 lo 21.71 21.71 8.56 8.56 0.00 0.00 0.00 0.00 12:00:04 ens3 1.06 0.98 0.19 1.41 0.00 0.00 0.00 0.00 12:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:04 lo 14.68 14.68 6.28 6.28 0.00 0.00 0.00 0.00 12:10:04 ens3 1.11 0.56 0.25 0.17 0.00 0.00 0.00 0.00 12:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:04 lo 17.83 17.83 10.56 10.56 0.00 0.00 0.00 0.00 12:20:04 ens3 0.86 0.53 0.20 0.14 0.00 0.00 0.00 0.00 12:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:04 lo 18.37 18.37 10.14 10.14 0.00 0.00 0.00 0.00 12:30:04 ens3 1.14 0.91 0.31 0.25 0.00 0.00 0.00 0.00 12:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.29 20.29 10.32 10.32 0.00 0.00 0.00 0.00 Average: ens3 5.16 3.82 64.73 0.63 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-55722) 03/31/26 _x86_64_ (4 CPU) 10:44:17 LINUX RESTART (4 CPU) 10:50:03 CPU %user %nice %system %iowait %steal %idle 11:00:03 all 50.35 0.00 2.16 4.05 0.12 43.32 11:00:03 0 50.25 0.00 1.91 3.19 0.11 44.53 11:00:03 1 49.47 0.00 2.36 3.26 0.12 44.79 11:00:03 2 52.50 0.00 2.26 3.71 0.12 41.41 11:00:03 3 49.18 0.00 2.12 6.04 0.12 42.54 11:10:00 all 42.96 0.00 1.69 0.73 0.13 54.49 11:10:00 0 43.64 0.00 1.57 0.38 0.12 54.29 11:10:00 1 43.98 0.00 1.85 0.72 0.12 53.32 11:10:00 2 42.41 0.00 1.65 0.50 0.13 55.30 11:10:00 3 41.82 0.00 1.70 1.32 0.13 55.03 11:20:24 all 23.57 0.00 0.99 0.05 0.10 75.29 11:20:24 0 22.46 0.00 1.03 0.02 0.10 76.39 11:20:24 1 23.79 0.00 0.98 0.05 0.10 75.09 11:20:24 2 23.99 0.00 0.96 0.05 0.09 74.90 11:20:24 3 24.03 0.00 1.00 0.07 0.09 74.80 11:30:05 all 17.98 0.00 0.78 0.04 0.08 81.12 11:30:05 0 17.70 0.00 0.86 0.06 0.07 81.30 11:30:05 1 19.41 0.00 0.84 0.02 0.08 79.64 11:30:05 2 17.66 0.00 0.73 0.08 0.08 81.45 11:30:05 3 17.16 0.00 0.67 0.01 0.07 82.09 11:40:04 all 26.23 0.00 0.81 0.05 0.08 72.82 11:40:04 0 26.78 0.00 0.79 0.04 0.09 72.31 11:40:04 1 26.28 0.00 0.82 0.06 0.08 72.76 11:40:04 2 25.74 0.00 0.85 0.06 0.09 73.26 11:40:04 3 26.14 0.00 0.78 0.04 0.08 72.96 11:50:04 all 11.44 0.00 0.51 0.03 0.07 87.96 11:50:04 0 11.22 0.00 0.47 0.03 0.07 88.21 11:50:04 1 11.41 0.00 0.56 0.06 0.08 87.90 11:50:04 2 11.43 0.00 0.54 0.02 0.08 87.94 11:50:04 3 11.69 0.00 0.45 0.00 0.06 87.78 12:00:04 all 9.44 0.00 0.50 0.09 0.06 89.90 12:00:04 0 9.11 0.00 0.46 0.18 0.06 90.19 12:00:04 1 9.22 0.00 0.56 0.03 0.07 90.12 12:00:04 2 9.74 0.00 0.47 0.05 0.06 89.68 12:00:04 3 9.70 0.00 0.51 0.11 0.07 89.62 12:10:04 all 5.86 0.00 0.50 0.21 0.06 93.37 12:10:04 0 5.03 0.00 0.38 0.09 0.06 94.44 12:10:04 1 6.24 0.00 0.56 0.19 0.06 92.95 12:10:04 2 6.00 0.00 0.52 0.25 0.07 93.16 12:10:04 3 6.15 0.00 0.54 0.30 0.06 92.95 12:20:04 all 9.95 0.00 0.54 0.04 0.07 89.41 12:20:04 0 9.85 0.00 0.51 0.08 0.06 89.52 12:20:04 1 10.37 0.00 0.50 0.03 0.07 89.04 12:20:04 2 9.85 0.00 0.59 0.02 0.07 89.47 12:20:04 3 9.74 0.00 0.56 0.03 0.07 89.61 12:30:04 all 17.88 0.00 0.80 0.06 0.08 81.19 12:30:04 0 18.40 0.00 0.74 0.13 0.07 80.66 12:30:04 1 18.18 0.00 0.91 0.02 0.08 80.82 12:30:04 2 18.01 0.00 0.84 0.05 0.08 81.02 12:30:04 3 16.94 0.00 0.70 0.03 0.08 82.26 Average: all 21.56 0.00 0.93 0.53 0.08 76.89 Average: 0 21.44 0.00 0.87 0.42 0.08 77.18 Average: 1 21.83 0.00 0.99 0.44 0.09 76.65 Average: 2 21.73 0.00 0.94 0.48 0.09 76.76 Average: 3 21.25 0.00 0.90 0.79 0.08 76.97