fix postgres deadlock in updates benchmark (#3775)

frameworks/Rust/actix/Cargo.lock

@@ -6,7 +6,7 @@ dependencies = [
  "actix_derive 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "bitflags 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "bytes 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-channel 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-channel 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.21 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.41 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -17,7 +17,7 @@ dependencies = [
  "tokio-io 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-signal 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "trust-dns-resolver 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "uuid 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "uuid 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -28,7 +28,7 @@ dependencies = [
  "actix-web 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "askama 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "bytes 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "diesel 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "diesel 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.21 (registry+https://github.com/rust-lang/crates.io-index)",
  "http 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "num_cpus 1.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -56,7 +56,7 @@ dependencies = [
  "failure 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.21 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-cpupool 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "h2 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "h2 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "http 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "http-range 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "httparse 1.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -150,7 +150,7 @@ name = "backtrace"
 version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "backtrace-sys 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "backtrace-sys 0.1.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "cfg-if 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "dbghelp-sys 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -161,10 +161,10 @@ dependencies = [
 
 [[package]]
 name = "backtrace"
-version = "0.3.7"
+version = "0.3.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "backtrace-sys 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "backtrace-sys 0.1.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "cfg-if 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.41 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-demangle 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -173,7 +173,7 @@ dependencies = [
 
 [[package]]
 name = "backtrace-sys"
-version = "0.1.16"
+version = "0.1.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cc 1.0.15 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -287,30 +287,30 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-channel"
-version = "0.1.2"
+version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "crossbeam-epoch 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "parking_lot 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-epoch 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parking_lot 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "crossbeam-epoch"
-version = "0.2.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "arrayvec 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "cfg-if 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazy_static 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "memoffset 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memoffset 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "scopeguard 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "crossbeam-utils"
-version = "0.2.2"
+version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -336,23 +336,23 @@ dependencies = [
 
 [[package]]
 name = "diesel"
-version = "1.2.2"
+version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "byteorder 1.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "diesel_derives 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "diesel_derives 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "pq-sys 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "diesel_derives"
-version = "1.2.0"
+version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro2 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.12.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.13.11 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -438,7 +438,7 @@ name = "error-chain"
 version = "0.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "backtrace 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "backtrace 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -446,7 +446,7 @@ name = "error-chain"
 version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "backtrace 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "backtrace 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -454,7 +454,7 @@ name = "failure"
 version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "backtrace 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "backtrace 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure_derive 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -526,7 +526,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "h2"
-version = "0.1.7"
+version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "byteorder 1.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -638,11 +638,6 @@ name = "language-tags"
 version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "lazy_static"
-version = "0.2.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "lazy_static"
 version = "1.0.0"
@@ -707,7 +702,7 @@ dependencies = [
 
 [[package]]
 name = "memoffset"
-version = "0.1.0"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -809,7 +804,7 @@ dependencies = [
 
 [[package]]
 name = "parking_lot"
-version = "0.4.8"
+version = "0.5.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "owning_ref 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -917,14 +912,6 @@ dependencies = [
  "vcpkg 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "proc-macro2"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "proc-macro2"
 version = "0.3.8"
@@ -959,14 +946,6 @@ name = "quote"
 version = "0.3.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "quote"
-version = "0.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "proc-macro2 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "quote"
 version = "0.5.2"
@@ -1225,16 +1204,6 @@ dependencies = [
  "unicode-xid 0.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "syn"
-version = "0.12.15"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "proc-macro2 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "syn"
 version = "0.13.11"
@@ -1447,7 +1416,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "uuid"
-version = "0.6.3"
+version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1548,8 +1517,8 @@ dependencies = [
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-"checksum backtrace 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)" = "8ea58cd16fd6c9d120b5bcb01d63883ae4cc7ba2aed35c1841b862a3c7ef6639"
-"checksum backtrace-sys 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)" = "44585761d6161b0f57afc49482ab6bd067e4edef48c12a152c237eb0203f7661"
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@@ -1565,13 +1534,13 @@ dependencies = [
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@@ -1595,7 +1564,7 @@ dependencies = [
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@@ -1620,7 +1588,7 @@ dependencies = [
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+"checksum memoffset 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "0f9dc261e2b62d7a622bf416ea3c5245cdd5d9a7fcc428c0d06804dfce1775b3"
 "checksum mime 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)" = "0b28683d0b09bbc20be1c9b3f6f24854efb1356ffcffee08ea3f6e65596e85fa"
 "checksum mime_guess 2.0.0-alpha.4 (registry+https://github.com/rust-lang/crates.io-index)" = "130ea3c9c1b65dba905ab5a4d9ac59234a9585c24d135f264e187fe7336febbd"
 "checksum mio 0.6.14 (registry+https://github.com/rust-lang/crates.io-index)" = "6d771e3ef92d58a8da8df7d6976bfca9371ed1de6619d9d5a5ce5b1f29b85bfe"
@@ -1631,7 +1599,7 @@ dependencies = [
 "checksum nom 3.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "05aec50c70fd288702bcd93284a8444607f3292dbdf2a30de5ea5dcdbe72287b"
 "checksum num_cpus 1.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c51a3322e4bca9d212ad9a158a02abc6934d005490c054a2778df73a70aa0a30"
 "checksum owning_ref 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "cdf84f41639e037b484f93433aa3897863b561ed65c6e59c7073d7c561710f37"
-"checksum parking_lot 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)" = "149d8f5b97f3c1133e3cfcd8886449959e856b557ff281e292b733d7c69e005e"
+"checksum parking_lot 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)" = "d4d05f1349491390b1730afba60bb20d55761bef489a954546b58b4b34e1e2ac"
 "checksum parking_lot_core 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)" = "4db1a8ccf734a7bce794cc19b3df06ed87ab2f3907036b693c68f56b4d4537fa"
 "checksum percent-encoding 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "31010dd2e1ac33d5b46a5b413495239882813e0369f8ed8a5e266f173602f831"
 "checksum phf 0.7.21 (registry+https://github.com/rust-lang/crates.io-index)" = "cb325642290f28ee14d8c6201159949a872f220c62af6e110a56ea914fbe42fc"
@@ -1642,13 +1610,11 @@ dependencies = [
 "checksum postgres-protocol 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "2487e66455bf88a1b247bf08a3ce7fe5197ac6d67228d920b0ee6a0e97fd7312"
 "checksum postgres-shared 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "bafecadf25b7de9a5f747e93073db444c9ddcc7b3ae37bcdf63c2508f9a17f2d"
 "checksum pq-sys 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)" = "9323a6ce484fc41174d40f80ba87af6247f86a7ba57856af68d3aa0c8642d2f0"
-"checksum proc-macro2 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "cd07deb3c6d1d9ff827999c7f9b04cdfd66b1b17ae508e14fe47b620f2282ae0"
 "checksum proc-macro2 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)" = "1b06e2f335f48d24442b35a19df506a835fb3547bc3c06ef27340da9acf5cae7"
 "checksum proc-macro2 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)" = "a45f2f0ae0b5757f6fe9e68745ba25f5246aea3598984ed81d013865873c1f84"
 "checksum pulldown-cmark 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "d6fdf85cda6cadfae5428a54661d431330b312bc767ddbc57adbedc24da66e32"
 "checksum quick-error 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "eda5fe9b71976e62bc81b781206aaa076401769b2143379d3eb2118388babac4"
 "checksum quote 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)" = "7a6e920b65c65f10b2ae65c831a81a073a89edd28c7cce89475bff467ab4167a"
-"checksum quote 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "1eca14c727ad12702eb4b6bfb5a232287dcf8385cb8ca83a3eeaf6519c44c408"
 "checksum quote 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "9949cfe66888ffe1d53e6ec9d9f3b70714083854be20fd5e271b232a017401e8"
 "checksum quote 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)" = "9e53eeda07ddbd8b057dde66d9beded11d0dfda13f0db0769e6b71d6bcf2074e"
 "checksum rand 0.3.22 (registry+https://github.com/rust-lang/crates.io-index)" = "15a732abf9d20f0ad8eeb6f909bf6868722d9a06e1e50802b6a70351f40b4eb1"
@@ -1682,7 +1648,6 @@ dependencies = [
 "checksum string 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "31f98b200e7caca9efca50fc0aa69cd58a5ec81d5f6e75b2f3ecaad2e998972a"
 "checksum stringprep 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "8ee348cb74b87454fff4b551cbf727025810a004f88aeacae7f85b87f4e9a1c1"
 "checksum syn 0.11.11 (registry+https://github.com/rust-lang/crates.io-index)" = "d3b891b9015c88c576343b9b3e41c2c11a51c219ef067b264bd9c8aa9b441dad"
-"checksum syn 0.12.15 (registry+https://github.com/rust-lang/crates.io-index)" = "c97c05b8ebc34ddd6b967994d5c6e9852fa92f8b82b3858c39451f97346dcce5"
 "checksum syn 0.13.11 (registry+https://github.com/rust-lang/crates.io-index)" = "14f9bf6292f3a61d2c716723fdb789a41bbe104168e6f496dc6497e531ea1b9b"
 "checksum syn 0.14.0 (registry+https://github.com/rust-lang/crates.io-index)" = "99d991a9e7c33123925e511baab68f7ec25c3795962fe326a2395e5a42a614f0"
 "checksum synom 0.11.3 (registry+https://github.com/rust-lang/crates.io-index)" = "a393066ed9010ebaed60b9eafa373d4b1baac186dd7e008555b0f702b51945b6"
@@ -1706,7 +1671,7 @@ dependencies = [
 "checksum unreachable 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "382810877fe448991dfc7f0dd6e3ae5d58088fd0ea5e35189655f84e6814fa56"
 "checksum url 1.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f808aadd8cfec6ef90e4a14eb46f24511824d1ac596b9682703c87056c8678b7"
 "checksum utf8-ranges 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "662fab6525a98beff2921d7f61a39e7d59e0b425ebc7d0d9e66d316e55124122"
-"checksum uuid 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)" = "8630752f979f1b6b87c49830a5e3784082545de63920d59fbaac252474319447"
+"checksum uuid 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)" = "3f8abd2aaa3d03fbc210a1543664f0aa406f4d3b56660e401a7c69df8b893fab"
 "checksum vcpkg 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "7ed0f6789c8a85ca41bbc1c9d175422116a9869bd1cf31bb08e1493ecce60380"
 "checksum version_check 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "6b772017e347561807c1aa192438c5fd74242a670a6cffacc40f2defd1dc069d"
 "checksum void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"

frameworks/Rust/actix/src/db_pg.rs

@@ -114,7 +114,7 @@ impl Handler<UpdateWorld> for PgConnection {
         worlds.sort_by_key(|w| w.id);
 
         update.pop();
-        update.push_str(") AS temp(id, randomnumber) WHERE temp.id = world.id");
+        update.push_str(" ORDER BY 1) AS temp(id, randomnumber) WHERE temp.id = world.id");
         self.conn.execute(&update, &[]).unwrap();
 
         Ok(worlds)

frameworks/Rust/actix/src/main_pg.rs

@@ -151,7 +151,7 @@ fn main() {
     }
 
     // Start db executor actors
-    let addr = SyncArbiter::start(num_cpus::get() * 4, move || {
+    let addr = SyncArbiter::start(num_cpus::get() * 3, move || {
         db_pg::PgConnection::new(db_url)
     });