---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-17417 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 723 12203 3 3062 14923 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:09:c6:ff brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.97/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79661sec preferred_lft 79661sec inet6 fe80::f816:3eff:fe09:c6ff/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:60:fc:2b:40:51 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::7460:fcff:fe2b:4051/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-17417) 05/21/26 _x86_64_ (4 CPU) 12:30:10 LINUX RESTART (4 CPU) 12:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:01 60.58 15.69 42.81 2.08 875.26 4631.37 3157.71 13:00:02 12.64 0.44 11.54 0.66 13.64 288.04 271.26 13:10:02 22.51 0.28 6.68 15.55 14.99 235.85 209535.16 13:20:01 18.84 0.04 18.02 0.79 1.37 758.02 1090.48 13:30:02 13.01 0.01 12.40 0.60 0.64 409.45 497.21 13:40:02 5.56 0.04 5.34 0.18 1.61 144.31 44.15 13:50:01 5.09 0.06 4.86 0.17 2.90 143.94 530.84 14:00:02 5.41 0.01 5.19 0.21 0.93 155.80 122.44 14:10:02 11.74 0.02 11.27 0.45 0.99 621.85 1182.88 14:20:01 6.28 0.02 5.92 0.34 0.55 238.87 180.17 Average: 16.16 1.66 12.40 2.10 91.25 762.56 21662.87 12:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:01 2861800 4639472 11300724 69.02 270472 1622092 12595456 72.30 1100104 11969532 608 13:00:02 9311908 11119644 4822820 29.46 272028 1650384 5505864 31.60 1129356 5482768 5824 13:10:02 7892108 9724908 6219348 37.99 273460 1674056 6918612 39.71 1143356 6899660 960 13:20:01 12547424 14524396 1422692 8.69 278996 1810748 2711840 15.57 1194984 2221480 12020 13:30:02 9380040 11410336 4534792 27.70 280724 1862264 5239688 30.08 1198388 5372784 280 13:40:02 9316872 11366148 4579048 27.97 281212 1880764 5253160 30.15 1200224 5417576 240 13:50:01 7918224 9988504 5955872 36.38 281716 1901256 6686640 38.38 1202860 6815516 264 14:00:02 7786608 9879804 6064604 37.04 282408 1923476 6820728 39.15 1206632 6951904 336 14:10:02 12693348 14938088 1008948 6.16 286364 2065708 1769576 10.16 1222156 2048716 15168 14:20:01 8355108 10629532 5314996 32.46 287192 2094516 5966708 34.25 1234832 6341620 1204 Average: 8806344 10822083 5122384 31.29 279457 1848526 5946827 34.13 1183289 5952156 3690 12:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:01 lo 38.38 38.38 25.79 25.79 0.00 0.00 0.00 0.00 12:50:01 ens3 1.83 1.76 0.42 0.38 0.00 0.00 0.00 0.00 12:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:02 lo 41.56 41.56 16.32 16.32 0.00 0.00 0.00 0.00 13:00:02 ens3 1.36 1.37 0.27 1.17 0.00 0.00 0.00 0.00 13:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:02 lo 9.48 9.48 5.96 5.96 0.00 0.00 0.00 0.00 13:10:02 ens3 0.50 0.41 0.11 0.08 0.00 0.00 0.00 0.00 13:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:01 lo 10.15 10.15 4.93 4.93 0.00 0.00 0.00 0.00 13:20:01 ens3 0.85 0.78 0.23 0.19 0.00 0.00 0.00 0.00 13:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:02 lo 20.83 20.83 10.93 10.93 0.00 0.00 0.00 0.00 13:30:02 ens3 0.75 0.67 0.16 0.13 0.00 0.00 0.00 0.00 13:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:02 lo 23.09 23.09 8.87 8.87 0.00 0.00 0.00 0.00 13:40:02 ens3 0.66 0.54 0.17 0.13 0.00 0.00 0.00 0.00 13:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:01 lo 17.53 17.53 7.88 7.88 0.00 0.00 0.00 0.00 13:50:01 ens3 0.44 0.37 0.10 0.07 0.00 0.00 0.00 0.00 13:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:02 lo 19.45 19.45 10.67 10.67 0.00 0.00 0.00 0.00 14:00:02 ens3 0.76 0.57 0.20 0.15 0.00 0.00 0.00 0.00 14:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:02 lo 18.14 18.14 10.14 10.14 0.00 0.00 0.00 0.00 14:10:02 ens3 1.09 0.83 0.35 0.27 0.00 0.00 0.00 0.00 14:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:01 lo 29.25 29.25 12.19 12.19 0.00 0.00 0.00 0.00 14:20:01 ens3 0.88 0.69 0.24 0.18 0.00 0.00 0.00 0.00 14:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 22.79 22.79 11.37 11.37 0.00 0.00 0.00 0.00 Average: ens3 0.91 0.80 0.23 0.28 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-17417) 05/21/26 _x86_64_ (4 CPU) 12:30:10 LINUX RESTART (4 CPU) 12:40:02 CPU %user %nice %system %iowait %steal %idle 12:50:01 all 62.85 0.00 2.35 0.14 0.13 34.54 12:50:01 0 63.26 0.00 1.95 0.11 0.13 34.56 12:50:01 1 62.21 0.00 2.47 0.16 0.13 35.03 12:50:01 2 63.56 0.00 2.61 0.20 0.13 33.51 12:50:01 3 62.36 0.00 2.36 0.09 0.13 35.06 13:00:02 all 26.49 0.00 1.20 0.07 0.10 72.13 13:00:02 0 26.30 0.00 1.07 0.19 0.10 72.34 13:00:02 1 26.65 0.00 1.36 0.03 0.11 71.86 13:00:02 2 26.45 0.00 1.18 0.03 0.10 72.25 13:00:02 3 26.58 0.00 1.20 0.04 0.10 72.08 13:10:02 all 17.12 0.00 0.65 0.05 0.07 82.10 13:10:02 0 17.23 0.00 0.72 0.06 0.07 81.92 13:10:02 1 17.39 0.00 0.77 0.12 0.08 81.65 13:10:02 2 16.70 0.00 0.56 0.02 0.07 82.65 13:10:02 3 17.16 0.00 0.57 0.01 0.07 82.19 13:20:01 all 24.31 0.00 0.91 0.07 0.08 74.63 13:20:01 0 24.22 0.00 0.87 0.02 0.08 74.82 13:20:01 1 25.17 0.00 0.91 0.06 0.08 73.79 13:20:01 2 24.68 0.00 0.94 0.04 0.08 74.27 13:20:01 3 23.19 0.00 0.94 0.15 0.07 75.65 13:30:02 all 23.57 0.00 0.79 0.07 0.08 75.49 13:30:02 0 23.97 0.00 0.91 0.07 0.08 74.98 13:30:02 1 22.92 0.00 0.82 0.12 0.08 76.06 13:30:02 2 23.45 0.00 0.77 0.07 0.07 75.64 13:30:02 3 23.94 0.00 0.68 0.02 0.07 75.28 13:40:02 all 8.67 0.00 0.47 0.02 0.06 90.78 13:40:02 0 8.86 0.00 0.43 0.01 0.06 90.64 13:40:02 1 8.83 0.00 0.47 0.03 0.07 90.61 13:40:02 2 8.70 0.00 0.43 0.00 0.06 90.80 13:40:02 3 8.28 0.00 0.54 0.04 0.06 91.08 13:50:01 all 10.34 0.00 0.47 0.50 0.07 88.62 13:50:01 0 10.30 0.00 0.43 1.44 0.08 87.75 13:50:01 1 10.31 0.00 0.45 0.24 0.07 88.93 13:50:01 2 10.01 0.00 0.48 0.20 0.06 89.25 13:50:01 3 10.73 0.00 0.50 0.12 0.07 88.57 14:00:02 all 11.56 0.00 0.52 0.03 0.07 87.83 14:00:02 0 11.40 0.00 0.46 0.01 0.11 88.01 14:00:02 1 11.25 0.00 0.53 0.05 0.07 88.12 14:00:02 2 11.82 0.00 0.59 0.03 0.06 87.50 14:00:02 3 11.76 0.00 0.49 0.02 0.05 87.68 14:10:02 all 15.03 0.00 0.63 0.05 0.06 84.22 14:10:02 0 14.41 0.00 0.56 0.03 0.06 84.94 14:10:02 1 14.92 0.00 0.66 0.10 0.07 84.26 14:10:02 2 16.10 0.00 0.60 0.04 0.07 83.20 14:10:02 3 14.70 0.00 0.71 0.04 0.06 84.49 14:20:01 all 15.61 0.00 0.51 0.02 0.07 83.79 14:20:01 0 15.57 0.00 0.51 0.01 0.07 83.85 14:20:01 1 15.31 0.00 0.57 0.02 0.07 84.02 14:20:01 2 15.81 0.00 0.53 0.03 0.08 83.56 14:20:01 3 15.74 0.00 0.43 0.02 0.07 83.75 Average: all 21.56 0.00 0.85 0.10 0.08 77.41 Average: 0 21.55 0.00 0.79 0.20 0.08 77.38 Average: 1 21.50 0.00 0.90 0.09 0.08 77.43 Average: 2 21.73 0.00 0.87 0.06 0.08 77.26 Average: 3 21.45 0.00 0.84 0.06 0.08 77.57