---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-58136 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 700 10228 3 5060 14946 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:70:f0:46 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.84/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79726sec preferred_lft 79726sec inet6 fe80::f816:3eff:fe70:f046/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:ed:65:b2:85:2f 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::80ed:65ff:feb2:852f/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-58136) 03/31/26 _x86_64_ (4 CPU) 11:04:17 LINUX RESTART (4 CPU) 11:10:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:20:08 97.57 22.56 71.70 3.32 358.16 24199.42 12356.48 11:30:09 26.10 2.17 22.67 1.26 26.61 577.69 908.73 11:40:09 7.58 0.01 7.15 0.41 0.73 276.64 789.91 11:50:25 12.28 0.01 11.71 0.56 0.35 594.13 1014.54 12:00:08 32.23 0.11 15.66 16.46 1.67 468.09 216143.26 12:10:24 2.68 0.00 2.60 0.07 0.22 85.53 7.70 12:20:09 7.68 0.01 7.30 0.37 1.24 244.28 369.42 12:30:10 5.99 0.00 5.79 0.20 0.31 166.86 55.19 12:40:11 5.38 0.01 5.20 0.18 0.24 157.71 62.94 12:50:10 9.62 0.04 9.18 0.40 4.05 583.61 487.27 Average: 20.64 2.49 15.87 2.28 39.33 2733.46 22616.85 11:10:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:20:08 899744 4770544 11159644 68.16 265324 3551124 12755940 73.22 2187628 12660316 1748 11:30:09 2254160 6163492 9768596 59.66 269392 3584660 10996740 63.12 2298216 11205988 332 11:40:09 5747436 9681256 6250112 38.17 270588 3607984 7058320 40.51 2304432 7711260 772 11:50:25 9591564 13645036 2291340 13.99 275564 3717496 3058060 17.55 2341300 3840884 408 12:00:08 8754804 12886692 3049224 18.62 279524 3791760 4234468 24.31 2353008 4664440 13020 12:10:24 7086988 11221388 4713456 28.79 280080 3793716 5453752 31.30 2353660 6329264 76 12:20:09 5877756 10047164 5887036 35.96 280796 3827932 6711252 38.52 2356520 7528432 64 12:30:10 5817160 10008736 5925240 36.19 281588 3849240 6731336 38.64 2359844 7574996 160 12:40:11 7288300 11502620 4432236 27.07 282312 3871228 5237268 30.06 2362200 6112716 124 12:50:10 10945220 15315940 620284 3.79 286424 4017224 1369504 7.86 2387112 2424176 23652 Average: 6426313 10524287 5409717 33.04 277159 3761236 6360664 36.51 2330392 7005247 4036 11:10:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:20:08 lo 14.16 14.16 13.96 13.96 0.00 0.00 0.00 0.00 11:20:08 ens3 37.19 27.42 645.12 3.10 0.00 0.00 0.00 0.00 11:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:09 lo 43.45 43.45 19.95 19.95 0.00 0.00 0.00 0.00 11:30:09 ens3 1.83 1.76 0.36 0.33 0.00 0.00 0.00 0.00 11:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:09 lo 28.16 28.16 12.16 12.16 0.00 0.00 0.00 0.00 11:40:09 ens3 1.14 0.55 0.23 0.14 0.00 0.00 0.00 0.00 11:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:25 lo 8.72 8.72 4.37 4.37 0.00 0.00 0.00 0.00 11:50:25 ens3 1.04 0.71 0.27 0.21 0.00 0.00 0.00 0.00 11:50:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:08 lo 17.40 17.40 8.10 8.10 0.00 0.00 0.00 0.00 12:00:08 ens3 1.05 0.81 0.25 0.20 0.00 0.00 0.00 0.00 12:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:24 lo 13.07 13.07 7.09 7.09 0.00 0.00 0.00 0.00 12:10:24 ens3 1.11 0.57 0.25 0.17 0.00 0.00 0.00 0.00 12:10:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:09 lo 27.57 27.57 10.77 10.77 0.00 0.00 0.00 0.00 12:20:09 ens3 1.15 0.98 0.20 1.57 0.00 0.00 0.00 0.00 12:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:10 lo 21.31 21.31 10.73 10.73 0.00 0.00 0.00 0.00 12:30:10 ens3 0.87 0.57 0.20 0.15 0.00 0.00 0.00 0.00 12:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:11 lo 15.16 15.16 8.42 8.42 0.00 0.00 0.00 0.00 12:40:11 ens3 1.56 0.72 0.35 0.22 0.00 0.00 0.00 0.00 12:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:10 lo 23.29 23.29 10.95 10.95 0.00 0.00 0.00 0.00 12:50:10 ens3 1.12 0.90 0.29 0.23 0.00 0.00 0.00 0.00 12:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.17 21.17 10.63 10.63 0.00 0.00 0.00 0.00 Average: ens3 4.80 3.50 64.71 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-58136) 03/31/26 _x86_64_ (4 CPU) 11:04:17 LINUX RESTART (4 CPU) 11:10:08 CPU %user %nice %system %iowait %steal %idle 11:20:08 all 51.00 0.00 2.25 0.35 0.11 46.30 11:20:08 0 52.20 0.00 2.19 0.50 0.11 45.00 11:20:08 1 50.55 0.00 2.40 0.24 0.11 46.69 11:20:08 2 49.61 0.00 2.02 0.32 0.11 47.95 11:20:08 3 51.65 0.00 2.38 0.31 0.11 45.55 11:30:09 all 51.83 0.00 1.89 0.06 0.12 46.10 11:30:09 0 51.04 0.00 1.93 0.16 0.12 46.76 11:30:09 1 51.58 0.00 1.78 0.03 0.13 46.48 11:30:09 2 51.58 0.00 1.91 0.03 0.12 46.35 11:30:09 3 53.12 0.00 1.92 0.01 0.12 44.83 11:40:09 all 18.78 0.00 0.90 0.03 0.11 80.17 11:40:09 0 18.54 0.00 0.79 0.06 0.11 80.51 11:40:09 1 18.27 0.00 1.01 0.01 0.11 80.60 11:40:09 2 19.15 0.00 0.93 0.05 0.12 79.75 11:40:09 3 19.16 0.00 0.86 0.02 0.11 79.84 11:50:25 all 17.96 0.00 0.72 0.04 0.07 81.20 11:50:25 0 17.58 0.00 0.78 0.04 0.07 81.54 11:50:25 1 17.28 0.00 0.81 0.01 0.08 81.83 11:50:25 2 18.63 0.00 0.73 0.08 0.08 80.49 11:50:25 3 18.35 0.00 0.59 0.03 0.06 80.96 12:00:08 all 27.12 0.00 0.90 0.06 0.08 71.84 12:00:08 0 25.65 0.00 0.93 0.04 0.08 73.31 12:00:08 1 26.52 0.00 0.89 0.06 0.08 72.45 12:00:08 2 28.54 0.00 0.88 0.07 0.08 70.44 12:00:08 3 27.79 0.00 0.89 0.07 0.08 71.18 12:10:24 all 4.44 0.00 0.31 0.02 0.05 95.17 12:10:24 0 4.24 0.00 0.30 0.03 0.05 95.39 12:10:24 1 4.48 0.00 0.29 0.05 0.05 95.13 12:10:24 2 4.68 0.00 0.36 0.01 0.06 94.90 12:10:24 3 4.35 0.00 0.30 0.01 0.06 95.27 12:20:09 all 16.87 0.00 0.66 0.02 0.07 82.37 12:20:09 0 16.92 0.00 0.63 0.01 0.07 82.38 12:20:09 1 16.54 0.00 0.67 0.04 0.07 82.67 12:20:09 2 16.35 0.00 0.62 0.02 0.07 82.95 12:20:09 3 17.67 0.00 0.74 0.02 0.07 81.50 12:30:10 all 11.75 0.00 0.49 0.03 0.07 87.66 12:30:10 0 11.89 0.00 0.44 0.07 0.07 87.53 12:30:10 1 11.93 0.00 0.56 0.03 0.07 87.41 12:30:10 2 11.39 0.00 0.45 0.03 0.07 88.06 12:30:10 3 11.81 0.00 0.49 0.01 0.07 87.63 12:40:11 all 8.06 0.00 0.48 0.02 0.06 91.39 12:40:11 0 7.75 0.00 0.35 0.01 0.05 91.84 12:40:11 1 8.39 0.00 0.61 0.03 0.06 90.90 12:40:11 2 8.17 0.00 0.46 0.01 0.06 91.30 12:40:11 3 7.93 0.00 0.49 0.01 0.06 91.52 12:50:10 all 15.80 0.00 0.65 0.05 0.07 83.44 12:50:10 0 15.79 0.00 0.66 0.02 0.07 83.46 12:50:10 1 15.97 0.00 0.79 0.04 0.07 83.14 12:50:10 2 15.92 0.00 0.56 0.11 0.07 83.34 12:50:10 3 15.50 0.00 0.58 0.02 0.07 83.82 Average: all 22.31 0.00 0.92 0.07 0.08 76.62 Average: 0 22.11 0.00 0.90 0.09 0.08 76.82 Average: 1 22.10 0.00 0.98 0.05 0.08 76.78 Average: 2 22.35 0.00 0.89 0.07 0.08 76.61 Average: 3 22.68 0.00 0.92 0.05 0.08 76.26